Only a few things with permissions left, and prefixes

src/NadekoBot/DataStructures/ModuleBehaviors/IEarlyBlocker.cs

@@ -0,0 +1,14 @@
+using Discord;
+using Discord.WebSocket;
+using System.Threading.Tasks;
+
+namespace NadekoBot.DataStructures.ModuleBehaviors
+{
+    /// <summary>
+    /// Implemented by modules which block execution before anything is executed
+    /// </summary>
+    public interface IEarlyBlocker
+    {
+        Task<bool> TryBlockEarly(DiscordShardedClient client, IGuild guild, IUserMessage msg);
+    }
+}

src/NadekoBot/DataStructures/ModuleBehaviors/IEarlyBlockingExecutor.cs

@@ -7,12 +7,12 @@ namespace NadekoBot.DataStructures.ModuleBehaviors
     /// <summary>
     /// Implemented by modules which can execute something and prevent further commands from being executed.
     /// </summary>
-    public interface IBlockingExecutor
+    public interface IEarlyBlockingExecutor
     {
         /// <summary>
         /// Try to execute some logic within some module's service.
         /// </summary>
         /// <returns>Whether it should block other command executions after it.</returns>
-        Task<bool> TryExecute(DiscordShardedClient client, IGuild guild, IUserMessage msg);
+        Task<bool> TryExecuteEarly(DiscordShardedClient client, IGuild guild, IUserMessage msg);
     }
 }

src/NadekoBot/DataStructures/ModuleBehaviors/IEarlyExecutor.cs

@@ -0,0 +1,7 @@
+namespace NadekoBot.DataStructures.ModuleBehaviors
+{
+    public interface IEarlyExecutor
+    {
+        
+    }
+}

src/NadekoBot/DataStructures/ModuleBehaviors/ILateBlocker.cs

@@ -0,0 +1,12 @@
+using Discord;
+using Discord.WebSocket;
+using System.Threading.Tasks;
+
+namespace NadekoBot.DataStructures.ModuleBehaviors
+{
+    public interface ILateBlocker
+    {
+        Task<bool> TryBlockLate(DiscordShardedClient client, IUserMessage msg, IGuild guild, 
+            IMessageChannel channel, IUser user, string moduleName, string commandName);
+    }
+}

src/NadekoBot/DataStructures/ModuleBehaviors/ILateBlockingExecutor.cs

@@ -0,0 +1,7 @@
+namespace NadekoBot.DataStructures.ModuleBehaviors
+{
+    public interface ILateBlockingExecutor
+    {
+        
+    }
+}

src/NadekoBot/DataStructures/ModuleBehaviors/ILateExecutor.cs

@@ -0,0 +1,14 @@
+using Discord;
+using Discord.WebSocket;
+using System.Threading.Tasks;
+
+namespace NadekoBot.DataStructures.ModuleBehaviors
+{
+    /// <summary>
+    /// Last thing to be executed, won't stop further executions
+    /// </summary>
+    public interface ILateExecutor
+    {
+        Task LateExecute(DiscordShardedClient client, IGuild guild, IUserMessage msg);
+    }
+}

src/NadekoBot/DataStructures/NoPublicBotPrecondition.cs

@@ -0,0 +1,18 @@
+using Discord.Commands;
+using System;
+using System.Threading.Tasks;
+
+namespace NadekoBot.DataStructures
+{
+    public class NoPublicBot : PreconditionAttribute
+    {
+        public override Task<PreconditionResult> CheckPermissions(ICommandContext context, CommandInfo command, IServiceProvider services)
+        {
+#if GLOBAL_NADEKo
+            return Task.FromResult(PreconditionResult.FromError("Not available on the public bot"));
+#else
+            return Task.FromResult(PreconditionResult.FromSuccess());
+#endif
+        }
+    }
+}

src/NadekoBot/Migrations/20161011200458_first.cs

@@ -702,7 +702,7 @@ namespace NadekoBot.Migrations
                 column: "BotConfigId");
 
             migrationBuilder.CreateIndex(
-                name: "IX_Repeaters_ChannelId",
+                name: "IX_Repeaters_channelId",
                 table: "Repeaters",
                 column: "ChannelId",
                 unique: true);

src/NadekoBot/Migrations/20170110111159_repeater-drop.cs

@@ -30,7 +30,7 @@ namespace NadekoBot.Migrations
                 });
 
             migrationBuilder.CreateIndex(
-                name: "IX_Repeaters_ChannelId",
+                name: "IX_Repeaters_channelId",
                 table: "Repeaters",
                 column: "ChannelId",
                 unique: true);

src/NadekoBot/Migrations/20170528001839_permissions-version.cs

@@ -0,0 +1,23 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+namespace NadekoBot.Migrations
+{
+    public partial class permissionsversion : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<int>(
+                name: "PermissionVersion",
+                table: "BotConfig",
+                nullable: false,
+                defaultValue: 1);
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "PermissionVersion",
+                table: "BotConfig");
+        }
+    }
+}

src/NadekoBot/Migrations/NadekoSqliteContextModelSnapshot.cs

@@ -12,7 +12,7 @@ namespace NadekoBot.Migrations
         protected override void BuildModel(ModelBuilder modelBuilder)
         {
             modelBuilder
-                .HasAnnotation("ProductVersion", "1.1.0-rtm-22752");
+                .HasAnnotation("ProductVersion", "1.1.1");
 
             modelBuilder.Entity("NadekoBot.Services.Database.Models.AntiRaidSetting", b =>
                 {
@@ -165,6 +165,8 @@ namespace NadekoBot.Migrations
 
                     b.Property<string>("OkColor");
 
+                    b.Property<int>("PermissionVersion");
+
                     b.Property<string>("RemindMessageFormat");
 
                     b.Property<bool>("RotatingStatuses");

src/NadekoBot/Modules/Administration/Administration.cs

@@ -15,10 +15,10 @@ namespace NadekoBot.Modules.Administration
     public partial class Administration : NadekoTopLevelModule
     {
         private IGuild _nadekoSupportServer;
-        private readonly DbHandler _db;
+        private readonly DbService _db;
         private readonly AdministrationService _admin;
 
-        public Administration(DbHandler db, AdministrationService admin)
+        public Administration(DbService db, AdministrationService admin)
         {
             _db = db;
             _admin = admin;

src/NadekoBot/Modules/Administration/Commands/AutoAssignRoleCommands.cs

@@ -14,10 +14,10 @@ namespace NadekoBot.Modules.Administration
         [Group]
         public class AutoAssignRoleCommands : NadekoSubmodule
         {
-            private readonly DbHandler _db;
+            private readonly DbService _db;
             private readonly AutoAssignRoleService _service;
 
-            public AutoAssignRoleCommands(AutoAssignRoleService service, DbHandler db)
+            public AutoAssignRoleCommands(AutoAssignRoleService service, DbService db)
             {
                 _db = db;
                 _service = service;

src/NadekoBot/Modules/Administration/Commands/GameChannelCommands.cs

@@ -12,10 +12,10 @@ namespace NadekoBot.Modules.Administration
         [Group]
         public class GameChannelCommands : NadekoSubmodule
         {
-            private readonly DbHandler _db;
+            private readonly DbService _db;
             private readonly GameVoiceChannelService _service;
 
-            public GameChannelCommands(GameVoiceChannelService service, DbHandler db)
+            public GameChannelCommands(GameVoiceChannelService service, DbService db)
             {
                 _db = db;
                 _service = service;

src/NadekoBot/Modules/Administration/Commands/Migration.cs

@@ -22,9 +22,9 @@ namespace NadekoBot.Modules.Administration
         public class Migration : NadekoSubmodule
         {
             private const int CURRENT_VERSION = 1;
-            private readonly DbHandler _db;
+            private readonly DbService _db;
 
-            public Migration(DbHandler db)
+            public Migration(DbService db)
             {
                 _db = db;
             }

src/NadekoBot/Modules/Administration/Commands/MuteCommands.cs

@@ -14,9 +14,9 @@ namespace NadekoBot.Modules.Administration
         public class MuteCommands : NadekoSubmodule
         {
             private readonly MuteService _service;
-            private readonly DbHandler _db;
+            private readonly DbService _db;
 
-            public MuteCommands(MuteService service, DbHandler db)
+            public MuteCommands(MuteService service, DbService db)
             {
                 _service = service;
                 _db = db;

src/NadekoBot/Modules/Administration/Commands/PlayingRotateCommands.cs

@@ -14,10 +14,10 @@ namespace NadekoBot.Modules.Administration
         public class PlayingRotateCommands : NadekoSubmodule
         {
             private static readonly object _locker = new object();
-            private readonly DbHandler _db;
+            private readonly DbService _db;
             private readonly PlayingRotateService _service;
 
-            public PlayingRotateCommands(PlayingRotateService service, DbHandler db)
+            public PlayingRotateCommands(PlayingRotateService service, DbService db)
             {
                 _db = db;
                 _service = service;

src/NadekoBot/Modules/Administration/Commands/ProtectionCommands.cs

@@ -19,9 +19,9 @@ namespace NadekoBot.Modules.Administration
         {
             private readonly ProtectionService _service;
             private readonly MuteService _mute;
-            private readonly DbHandler _db;
+            private readonly DbService _db;
 
-            public ProtectionCommands(ProtectionService service, MuteService mute, DbHandler db)
+            public ProtectionCommands(ProtectionService service, MuteService mute, DbService db)
             {
                 _service = service;
                 _mute = mute;

src/NadekoBot/Modules/Administration/Commands/RatelimitCommand.cs

@@ -15,12 +15,12 @@ namespace NadekoBot.Modules.Administration
     public partial class Administration
     {
         [Group]
-        public class RatelimitCommands : NadekoSubmodule
+        public class SlowModeCommands : NadekoSubmodule
         {
-            private readonly RatelimitService _service;
+            private readonly SlowmodeService _service;
-            private readonly DbHandler _db;
+            private readonly DbService _db;
 
-            public RatelimitCommands(RatelimitService service, DbHandler db)
+            public SlowModeCommands(SlowmodeService service, DbService db)
             {
                 _service = service;
                 _db = db;

src/NadekoBot/Modules/Administration/Commands/SelfAssignedRolesCommand.cs

@@ -18,9 +18,9 @@ namespace NadekoBot.Modules.Administration
         [Group]
         public class SelfAssignedRolesCommands : NadekoSubmodule
         {
-            private readonly DbHandler _db;
+            private readonly DbService _db;
 
-            public SelfAssignedRolesCommands(DbHandler db)
+            public SelfAssignedRolesCommands(DbService db)
             {
                 _db = db;
             }

src/NadekoBot/Modules/Administration/Commands/SelfCommands.cs

@@ -21,14 +21,14 @@ namespace NadekoBot.Modules.Administration
         [Group]
         public class SelfCommands : NadekoSubmodule
         {
-            private readonly DbHandler _db;
+            private readonly DbService _db;
 
             private static readonly object _locker = new object();
             private readonly SelfService _service;
             private readonly DiscordShardedClient _client;
             private readonly IImagesService _images;
 
-            public SelfCommands(DbHandler db, SelfService service, DiscordShardedClient client,
+            public SelfCommands(DbService db, SelfService service, DiscordShardedClient client,
                 IImagesService images)
             {
                 _db = db;
@@ -204,64 +204,6 @@ namespace NadekoBot.Modules.Administration
 
             }
             
-            //todo dm forwarding
-            //public async Task HandleDmForwarding(IUserMessage msg, ImmutableArray<AsyncLazy<IDMChannel>> ownerChannels)
-            //{
-            //    if (_service.ForwardDMs && ownerChannels.Length > 0)
-            //    {
-            //        var title = _strings.GetText("dm_from",
-            //                        NadekoBot.Localization.DefaultCultureInfo,
-            //                        typeof(Administration).Name.ToLowerInvariant()) +
-            //                    $" [{msg.Author}]({msg.Author.Id})";
-
-            //        var attachamentsTxt = GetTextStatic("attachments",
-            //            NadekoBot.Localization.DefaultCultureInfo,
-            //            typeof(Administration).Name.ToLowerInvariant());
-
-            //        var toSend = msg.Content;
-
-            //        if (msg.Attachments.Count > 0)
-            //        {
-            //            toSend += $"\n\n{Format.Code(attachamentsTxt)}:\n" +
-            //                      string.Join("\n", msg.Attachments.Select(a => a.ProxyUrl));
-            //        }
-
-            //        if (_service.ForwardDMsToAllOwners)
-            //        {
-            //            var allOwnerChannels = await Task.WhenAll(ownerChannels
-            //                .Select(x => x.Value))
-            //                .ConfigureAwait(false);
-
-            //            foreach (var ownerCh in allOwnerChannels.Where(ch => ch.Recipient.Id != msg.Author.Id))
-            //            {
-            //                try
-            //                {
-            //                    await ownerCh.SendConfirmAsync(title, toSend).ConfigureAwait(false);
-            //                }
-            //                catch
-            //                {
-            //                    _log.Warn("Can't contact owner with id {0}", ownerCh.Recipient.Id);
-            //                }
-            //            }
-            //        }
-            //        else
-            //        {
-            //                var firstOwnerChannel = await ownerChannels[0];
-            //                if (firstOwnerChannel.Recipient.Id != msg.Author.Id)
-            //                {
-            //                    try
-            //                    {
-            //                        await firstOwnerChannel.SendConfirmAsync(title, toSend).ConfigureAwait(false);
-            //                    }
-            //                    catch
-            //                    {
-            //                        // ignored
-            //                    }
-            //                }
-            //            }
-            //        }
-            //    }
-            
             [NadekoCommand, Usage, Description, Aliases]
             [OwnerOnly]
             public async Task ConnectShard(int shardid)

src/NadekoBot/Modules/Administration/Commands/ServerGreetCommands.cs

@@ -14,9 +14,9 @@ namespace NadekoBot.Modules.Administration
         public class ServerGreetCommands : NadekoSubmodule
         {
             private readonly GreetSettingsService _greetService;
-            private readonly DbHandler _db;
+            private readonly DbService _db;
 
-            public ServerGreetCommands(GreetSettingsService greetService, DbHandler db)
+            public ServerGreetCommands(GreetSettingsService greetService, DbService db)
             {
                 _greetService = greetService;
                 _db = db;

src/NadekoBot/Modules/Administration/Commands/UserPunishCommands.cs

@@ -19,10 +19,10 @@ namespace NadekoBot.Modules.Administration
         [Group]
         public class UserPunishCommands : NadekoSubmodule
         {
-            private readonly DbHandler _db;
+            private readonly DbService _db;
             private readonly MuteService _muteService;
 
-            public UserPunishCommands(DbHandler db, MuteService muteService)
+            public UserPunishCommands(DbService db, MuteService muteService)
             {
                 _db = db;
                 _muteService = muteService;

src/NadekoBot/Modules/Administration/Commands/VcRoleCommands.cs

@@ -19,9 +19,9 @@ namespace NadekoBot.Modules.Administration
         public class VcRoleCommands : NadekoSubmodule
         {
             private readonly VcRoleService _service;
-            private readonly DbHandler _db;
+            private readonly DbService _db;
 
-            public VcRoleCommands(VcRoleService service, DbHandler db)
+            public VcRoleCommands(VcRoleService service, DbService db)
             {
                 _service = service;
                 _db = db;
@@ -31,7 +31,7 @@ namespace NadekoBot.Modules.Administration
             [RequireUserPermission(GuildPermission.ManageRoles)]
             [RequireUserPermission(GuildPermission.ManageChannels)]
             [RequireBotPermission(GuildPermission.ManageRoles)]
-            //todo discord.net [RequireBotPermission(GuildPermission.ManageChannels)]
+            //todo 999 discord.net [RequireBotPermission(GuildPermission.ManageChannels)]
             [RequireContext(ContextType.Guild)]
             public async Task VcRole([Remainder]IRole role = null)
             {

src/NadekoBot/Modules/Administration/Commands/VoicePlusTextCommands.cs

@@ -18,9 +18,9 @@ namespace NadekoBot.Modules.Administration
         public class VoicePlusTextCommands : NadekoSubmodule
         {
             private readonly VplusTService _service;
-            private readonly DbHandler _db;
+            private readonly DbService _db;
 
-            public VoicePlusTextCommands(VplusTService service, DbHandler db)
+            public VoicePlusTextCommands(VplusTService service, DbService db)
             {
                 _service = service;
                 _db = db;

src/NadekoBot/Modules/CustomReactions/CustomReactions.cs

@@ -15,11 +15,11 @@ namespace NadekoBot.Modules.CustomReactions
     public class CustomReactions : NadekoTopLevelModule
     {
         private readonly IBotCredentials _creds;
-        private readonly DbHandler _db;
+        private readonly DbService _db;
         private readonly CustomReactionsService _crs;
         private readonly DiscordShardedClient _client;
 
-        public CustomReactions(IBotCredentials creds, DbHandler db, CustomReactionsService crs,
+        public CustomReactions(IBotCredentials creds, DbService db, CustomReactionsService crs,
             DiscordShardedClient client)
         {
             _creds = creds;
@@ -239,7 +239,7 @@ namespace NadekoBot.Modules.CustomReactions
                     if ((toDelete.GuildId == null || toDelete.GuildId == 0) && Context.Guild == null)
                     {
                         uow.CustomReactions.Remove(toDelete);
-                        //todo i can dramatically improve performance of this, if Ids are ordered.
+                        //todo 91 i can dramatically improve performance of this, if Ids are ordered.
                         _crs.GlobalReactions = _crs.GlobalReactions.Where(cr => cr?.Id != toDelete.Id).ToArray();
                         success = true;
                     }

src/NadekoBot/Modules/Gambling/Commands/AnimalRacing.cs

@@ -21,16 +21,16 @@ namespace NadekoBot.Modules.Gambling
         public class AnimalRacing : NadekoSubmodule
         {
             private readonly BotConfig _bc;
-            private readonly CurrencyHandler _ch;
+            private readonly CurrencyService _cs;
             private readonly DiscordShardedClient _client;
             
 
             public static ConcurrentDictionary<ulong, AnimalRace> AnimalRaces { get; } = new ConcurrentDictionary<ulong, AnimalRace>();
 
-            public AnimalRacing(BotConfig bc, CurrencyHandler ch, DiscordShardedClient client)
+            public AnimalRacing(BotConfig bc, CurrencyService cs, DiscordShardedClient client)
             {
                 _bc = bc;
-                _ch = ch;
+                _cs = cs;
                 _client = client;
             }
 
@@ -39,7 +39,7 @@ namespace NadekoBot.Modules.Gambling
             public async Task Race()
             {
                 var ar = new AnimalRace(Context.Guild.Id, (ITextChannel)Context.Channel, Prefix, 
-                    _bc, _ch, _client,_localization, _strings);
+                    _bc, _cs, _client,_localization, _strings);
 
                 if (ar.Fail)
                     await ReplyErrorLocalized("race_failed_starting").ConfigureAwait(false);
@@ -63,7 +63,7 @@ namespace NadekoBot.Modules.Gambling
                 await ar.JoinRace(Context.User as IGuildUser, amount);
             }
 
-            //todo needs to be completely isolated, shouldn't use any services in the constructor,
+            //todo 85 needs to be completely isolated, shouldn't use any services in the constructor,
             //then move the rest either to the module itself, or the service
             public class AnimalRace
             {
@@ -81,7 +81,7 @@ namespace NadekoBot.Modules.Gambling
 
                 private readonly ITextChannel _raceChannel;
                 private readonly BotConfig _bc;
-                private readonly CurrencyHandler _ch;
+                private readonly CurrencyService _cs;
                 private readonly DiscordShardedClient _client;
                 private readonly ILocalization _localization;
                 private readonly NadekoStrings _strings;
@@ -89,12 +89,12 @@ namespace NadekoBot.Modules.Gambling
                 public bool Started { get; private set; }
 
                 public AnimalRace(ulong serverId, ITextChannel channel, string prefix, BotConfig bc,
-                    CurrencyHandler ch, DiscordShardedClient client, ILocalization localization,
+                    CurrencyService cs, DiscordShardedClient client, ILocalization localization,
                     NadekoStrings strings)
                 {
                     _prefix = prefix;
                     _bc = bc;
-                    _ch = ch;
+                    _cs = cs;
                     _log = LogManager.GetCurrentClassLogger();
                     _serverId = serverId;
                     _raceChannel = channel;
@@ -144,7 +144,7 @@ namespace NadekoBot.Modules.Gambling
                                 var p = _participants.FirstOrDefault();
 
                                 if (p != null && p.AmountBet > 0)
-                                    await _ch.AddCurrencyAsync(p.User, "BetRace", p.AmountBet, false).ConfigureAwait(false);
+                                    await _cs.AddAsync(p.User, "BetRace", p.AmountBet, false).ConfigureAwait(false);
                                 End();
                                 return;
                             }
@@ -232,7 +232,7 @@ namespace NadekoBot.Modules.Gambling
                         {
                             var wonAmount = winner.AmountBet * (_participants.Count - 1);
 
-                            await _ch.AddCurrencyAsync(winner.User, "Won a Race", wonAmount, true)
+                            await _cs.AddAsync(winner.User, "Won a Race", wonAmount, true)
                                 .ConfigureAwait(false);
                             await _raceChannel.SendConfirmAsync(GetText("animal_race"),
                                     Format.Bold(GetText("animal_race_won_money", winner.User.Mention,
@@ -287,7 +287,7 @@ namespace NadekoBot.Modules.Gambling
                         return;
                     }
                     if (amount > 0)
-                        if (!await _ch.RemoveCurrencyAsync(u, "BetRace", amount, false).ConfigureAwait(false))
+                        if (!await _cs.RemoveAsync(u, "BetRace", amount, false).ConfigureAwait(false))
                         {
                             await _raceChannel.SendErrorAsync(GetText("not_enough", _bc.CurrencySign)).ConfigureAwait(false);
                             return;

src/NadekoBot/Modules/Gambling/Commands/CurrencyEvents.cs

@@ -36,13 +36,13 @@ namespace NadekoBot.Modules.Gambling
             private string _secretCode = string.Empty;
             private readonly DiscordShardedClient _client;
             private readonly BotConfig _bc;
-            private readonly CurrencyHandler _ch;
+            private readonly CurrencyService _cs;
 
-            public CurrencyEvents(DiscordShardedClient client, BotConfig bc, CurrencyHandler ch)
+            public CurrencyEvents(DiscordShardedClient client, BotConfig bc, CurrencyService cs)
             {
                 _client = client;
                 _bc = bc;
-                _ch = ch;
+                _cs = cs;
             }
 
             [NadekoCommand, Usage, Description, Aliases]
@@ -111,7 +111,7 @@ namespace NadekoBot.Modules.Gambling
                 {
                     var _ = Task.Run(async () =>
                     {
-                        await _ch.AddCurrencyAsync(arg.Author, "Sneaky Game Event", 100, false)
+                        await _cs.AddAsync(arg.Author, "Sneaky Game Event", 100, false)
                             .ConfigureAwait(false);
 
                         try { await arg.DeleteAsync(new RequestOptions() { RetryMode = RetryMode.AlwaysFail }).ConfigureAwait(false); }
@@ -137,7 +137,7 @@ namespace NadekoBot.Modules.Gambling
                         desc, footer: footer)
                     .ConfigureAwait(false);
 
-                await new FlowerReactionEvent(_client, _ch).Start(msg, context, amount);
+                await new FlowerReactionEvent(_client, _cs).Start(msg, context, amount);
             }
         }
     }
@@ -152,18 +152,18 @@ namespace NadekoBot.Modules.Gambling
         private readonly ConcurrentHashSet<ulong> _flowerReactionAwardedUsers = new ConcurrentHashSet<ulong>();
         private readonly Logger _log;
         private readonly DiscordShardedClient _client;
-        private readonly CurrencyHandler _ch;
+        private readonly CurrencyService _cs;
 
         private IUserMessage StartingMessage { get; set; }
 
         private CancellationTokenSource Source { get; }
         private CancellationToken CancelToken { get; }
 
-        public FlowerReactionEvent(DiscordShardedClient client, CurrencyHandler ch)
+        public FlowerReactionEvent(DiscordShardedClient client, CurrencyService cs)
         {
             _log = LogManager.GetCurrentClassLogger();
             _client = client;
-            _ch = ch;
+            _cs = cs;
             Source = new CancellationTokenSource();
             CancelToken = Source.Token;
         }
@@ -210,7 +210,7 @@ namespace NadekoBot.Modules.Gambling
                 {
                     if (r.Emote.Name == "🌸" && r.User.IsSpecified && ((DateTime.UtcNow - r.User.Value.CreatedAt).TotalDays > 5) && _flowerReactionAwardedUsers.Add(r.User.Value.Id))
                     {
-                        await _ch.AddCurrencyAsync(r.User.Value, "Flower Reaction Event", amount, false)
+                        await _cs.AddAsync(r.User.Value, "Flower Reaction Event", amount, false)
                             .ConfigureAwait(false);
                     }
                 }

src/NadekoBot/Modules/Gambling/Commands/DiceRollCommand.cs

@@ -220,8 +220,8 @@ namespace NadekoBot.Modules.Gambling
                 if (num == 10)
                 {
                     var images = _images.Dice;
-                    using (var imgOneStream = images[1].Value.ToStream())
+                    using (var imgOneStream = images[1].ToStream())
-                    using (var imgZeroStream = images[0].Value.ToStream())
+                    using (var imgZeroStream = images[0].ToStream())
                     {
                         Image imgOne = new Image(imgOneStream);
                         Image imgZero = new Image(imgZeroStream);
@@ -229,7 +229,7 @@ namespace NadekoBot.Modules.Gambling
                         return new[] { imgOne, imgZero }.Merge();
                     }
                 }
-                using (var die = _images.Dice[num].Value.ToStream())
+                using (var die = _images.Dice[num].ToStream())
                 {
                     return new Image(die);
                 }

src/NadekoBot/Modules/Gambling/Commands/FlipCoinCommand.cs

@@ -18,15 +18,15 @@ namespace NadekoBot.Modules.Gambling
         {
             private readonly IImagesService _images;
             private readonly BotConfig _bc;
-            private readonly CurrencyHandler _ch;
+            private readonly CurrencyService _cs;
 
             private readonly NadekoRandom rng = new NadekoRandom();
 
-            public FlipCoinCommands(IImagesService images, CurrencyHandler ch, BotConfig bc)
+            public FlipCoinCommands(IImagesService images, CurrencyService cs, BotConfig bc)
             {
                 _images = images;
                 _bc = bc;
-                _ch = ch;
+                _cs = cs;
             }
 
             [NadekoCommand, Usage, Description, Aliases]
@@ -74,47 +74,49 @@ namespace NadekoBot.Modules.Gambling
                 await Context.Channel.SendFileAsync(imgs.Merge().ToStream(), $"{count} coins.png").ConfigureAwait(false);
             }
 
-            [NadekoCommand, Usage, Description, Aliases]
+            public enum BetFlipGuess
-            public async Task Betflip(int amount, string guess)
             {
-                var guessStr = guess.Trim().ToUpperInvariant();
+                H = 1,
-                if (guessStr != "H" && guessStr != "T" && guessStr != "HEADS" && guessStr != "TAILS")
+                Head = 1,
-                    return;
+                Heads = 1,
+                T = 2,
+                Tail = 2,
+                Tails = 2
+            }
 
+            [NadekoCommand, Usage, Description, Aliases]
+            public async Task Betflip(int amount, BetFlipGuess guess)
+            {
                 if (amount < _bc.MinimumBetAmount)
                 {
                     await ReplyErrorLocalized("min_bet_limit", _bc.MinimumBetAmount + _bc.CurrencySign).ConfigureAwait(false);
                     return;
                 }
-                var removed = await _ch.RemoveCurrencyAsync(Context.User, "Betflip Gamble", amount, false).ConfigureAwait(false);
+                var removed = await _cs.RemoveAsync(Context.User, "Betflip Gamble", amount, false).ConfigureAwait(false);
                 if (!removed)
                 {
                     await ReplyErrorLocalized("not_enough", _bc.CurrencyPluralName).ConfigureAwait(false);
                     return;
                 }
-                //heads = true
+                BetFlipGuess result;
-                //tails = false
-
-                //todo this seems stinky, no time to look at it right now
-                var isHeads = guessStr == "HEADS" || guessStr == "H";
-                var result = false;
                 IEnumerable<byte> imageToSend;
                 if (rng.Next(0, 2) == 1)
                 {
                     imageToSend = _images.Heads;
-                    result = true;
+                    result = BetFlipGuess.Heads;
                 }
                 else
                 {
                     imageToSend = _images.Tails;
+                    result = BetFlipGuess.Tails;
                 }
 
                 string str;
-                if (isHeads == result)
+                if (guess == result)
                 { 
                     var toWin = (int)Math.Round(amount * _bc.BetflipMultiplier);
                     str = Context.User.Mention + " " + GetText("flip_guess", toWin + _bc.CurrencySign);
-                    await _ch.AddCurrencyAsync(Context.User, "Betflip Gamble", toWin, false).ConfigureAwait(false);
+                    await _cs.AddAsync(Context.User, "Betflip Gamble", toWin, false).ConfigureAwait(false);
                 }
                 else
                 {

src/NadekoBot/Modules/Gambling/Commands/FlowerShop.cs

@@ -20,8 +20,8 @@ namespace NadekoBot.Modules.Gambling
         public class FlowerShop : NadekoSubmodule
         {
             private readonly BotConfig _bc;
-            private readonly DbHandler _db;
+            private readonly DbService _db;
-            private readonly CurrencyHandler _ch;
+            private readonly CurrencyService _cs;
             private readonly DiscordShardedClient _client;
 
             public enum Role
@@ -34,11 +34,11 @@ namespace NadekoBot.Modules.Gambling
                 List
             }
 
-            public FlowerShop(BotConfig bc, DbHandler db, CurrencyHandler ch, DiscordShardedClient client)
+            public FlowerShop(BotConfig bc, DbService db, CurrencyService cs, DiscordShardedClient client)
             {
                 _db = db;
                 _bc = bc;
-                _ch = ch;
+                _cs = cs;
                 _client = client;
             }
 
@@ -111,7 +111,7 @@ namespace NadekoBot.Modules.Gambling
                         return;
                     }
 
-                    if (await _ch.RemoveCurrencyAsync(Context.User.Id, $"Shop purchase - {entry.Type}", entry.Price))
+                    if (await _cs.RemoveAsync(Context.User.Id, $"Shop purchase - {entry.Type}", entry.Price))
                     {
                         try
                         {
@@ -120,11 +120,11 @@ namespace NadekoBot.Modules.Gambling
                         catch (Exception ex)
                         {
                             _log.Warn(ex);
-                            await _ch.AddCurrencyAsync(Context.User.Id, $"Shop error refund", entry.Price);
+                            await _cs.AddAsync(Context.User.Id, $"Shop error refund", entry.Price);
                             await ReplyErrorLocalized("shop_role_purchase_error").ConfigureAwait(false);
                             return;
                         }
-                        await _ch.AddCurrencyAsync(entry.AuthorId, $"Shop sell item - {entry.Type}", GetProfitAmount(entry.Price));
+                        await _cs.AddAsync(entry.AuthorId, $"Shop sell item - {entry.Type}", GetProfitAmount(entry.Price));
                         await ReplyConfirmLocalized("shop_role_purchase", Format.Bold(role.Name)).ConfigureAwait(false);
                         return;
                     }
@@ -144,7 +144,7 @@ namespace NadekoBot.Modules.Gambling
 
                     var item = entry.Items.ToArray()[new NadekoRandom().Next(0, entry.Items.Count)];
 
-                    if (await _ch.RemoveCurrencyAsync(Context.User.Id, $"Shop purchase - {entry.Type}", entry.Price))
+                    if (await _cs.RemoveAsync(Context.User.Id, $"Shop purchase - {entry.Type}", entry.Price))
                     {
                         int removed;
                         using (var uow = _db.UnitOfWork)
@@ -163,7 +163,7 @@ namespace NadekoBot.Modules.Gambling
                                 .AddField(efb => efb.WithName(GetText("name")).WithValue(entry.Name).WithIsInline(true)))
                                 .ConfigureAwait(false);
 
-                            await _ch.AddCurrencyAsync(entry.AuthorId,
+                            await _cs.AddAsync(entry.AuthorId,
                                     $"Shop sell item - {entry.Name}",
                                     GetProfitAmount(entry.Price)).ConfigureAwait(false);
                         }
@@ -174,7 +174,7 @@ namespace NadekoBot.Modules.Gambling
                                 uow._context.Set<ShopEntryItem>().Add(item);
                                 uow.Complete();
 
-                                await _ch.AddCurrencyAsync(Context.User.Id, 
+                                await _cs.AddAsync(Context.User.Id, 
                                     $"Shop error refund - {entry.Name}", 
                                     entry.Price, 
                                     uow).ConfigureAwait(false);

src/NadekoBot/Modules/Gambling/Commands/Slots.cs

@@ -32,13 +32,13 @@ namespace NadekoBot.Modules.Gambling
             //thanks to judge for helping me with this
 
             private readonly IImagesService _images;
-            private readonly CurrencyHandler _ch;
+            private readonly CurrencyService _cs;
 
-            public Slots(IImagesService images, BotConfig bc, CurrencyHandler ch)
+            public Slots(IImagesService images, BotConfig bc, CurrencyService cs)
             {
                 _images = images;
                 _bc = bc;
-                _ch = ch;
+                _cs = cs;
             }
 
             public class SlotMachine
@@ -157,7 +157,7 @@ namespace NadekoBot.Modules.Gambling
                         return;
                     }
 
-                    if (!await _ch.RemoveCurrencyAsync(Context.User, "Slot Machine", amount, false))
+                    if (!await _cs.RemoveAsync(Context.User, "Slot Machine", amount, false))
                     {
                         await ReplyErrorLocalized("not_enough", _bc.CurrencySign).ConfigureAwait(false);
                         return;
@@ -209,7 +209,7 @@ namespace NadekoBot.Modules.Gambling
                         var msg = GetText("better_luck");
                         if (result.Multiplier != 0)
                         {
-                            await _ch.AddCurrencyAsync(Context.User, $"Slot Machine x{result.Multiplier}", amount * result.Multiplier, false);
+                            await _cs.AddAsync(Context.User, $"Slot Machine x{result.Multiplier}", amount * result.Multiplier, false);
                             Interlocked.Add(ref _totalPaidOut, amount * result.Multiplier);
                             if (result.Multiplier == 1)
                                 msg = GetText("slot_single", _bc.CurrencySign, 1);

src/NadekoBot/Modules/Gambling/Commands/WaifuClaimCommands.cs

@@ -57,10 +57,10 @@ namespace NadekoBot.Modules.Gambling
                 InsufficientAmount
             }
 
-            public WaifuClaimCommands(BotConfig bc, CurrencyHandler ch, DbHandler db)
+            public WaifuClaimCommands(BotConfig bc, CurrencyService cs, DbService db)
             {
                 _bc = bc;
-                _ch = ch;
+                _cs = cs;
                 _db = db;
             }
 
@@ -91,7 +91,7 @@ namespace NadekoBot.Modules.Gambling
                     {
                         var claimer = uow.DiscordUsers.GetOrCreate(Context.User);
                         var waifu = uow.DiscordUsers.GetOrCreate(target);
-                        if (!await _ch.RemoveCurrencyAsync(Context.User.Id, "Claimed Waifu", amount, uow).ConfigureAwait(false))
+                        if (!await _cs.RemoveAsync(Context.User.Id, "Claimed Waifu", amount, uow).ConfigureAwait(false))
                         {
                             result = WaifuClaimResult.NotEnoughFunds;
                         }
@@ -116,7 +116,7 @@ namespace NadekoBot.Modules.Gambling
                     }
                     else if (isAffinity && amount > w.Price * 0.88f)
                     {
-                        if (!await _ch.RemoveCurrencyAsync(Context.User.Id, "Claimed Waifu", amount, uow).ConfigureAwait(false))
+                        if (!await _cs.RemoveAsync(Context.User.Id, "Claimed Waifu", amount, uow).ConfigureAwait(false))
                         {
                             result = WaifuClaimResult.NotEnoughFunds;
                         }
@@ -138,7 +138,7 @@ namespace NadekoBot.Modules.Gambling
                     }
                     else if (amount >= w.Price * 1.1f) // if no affinity
                     {
-                        if (!await _ch.RemoveCurrencyAsync(Context.User.Id, "Claimed Waifu", amount, uow).ConfigureAwait(false))
+                        if (!await _cs.RemoveAsync(Context.User.Id, "Claimed Waifu", amount, uow).ConfigureAwait(false))
                         {
                             result = WaifuClaimResult.NotEnoughFunds;
                         }
@@ -230,13 +230,13 @@ namespace NadekoBot.Modules.Gambling
 
                         if (w.Affinity?.UserId == Context.User.Id)
                         {
-                            await _ch.AddCurrencyAsync(w.Waifu.UserId, "Waifu Compensation", amount, uow).ConfigureAwait(false);
+                            await _cs.AddAsync(w.Waifu.UserId, "Waifu Compensation", amount, uow).ConfigureAwait(false);
                             w.Price = (int)Math.Floor(w.Price * 0.75f);
                             result = DivorceResult.SucessWithPenalty;
                         }
                         else
                         {
-                            await _ch.AddCurrencyAsync(Context.User.Id, "Waifu Refund", amount, uow).ConfigureAwait(false);
+                            await _cs.AddAsync(Context.User.Id, "Waifu Refund", amount, uow).ConfigureAwait(false);
 
                             result = DivorceResult.Success;
                         }
@@ -278,8 +278,8 @@ namespace NadekoBot.Modules.Gambling
 
             private static readonly TimeSpan _affinityLimit = TimeSpan.FromMinutes(30);
             private readonly BotConfig _bc;
-            private readonly CurrencyHandler _ch;
+            private readonly CurrencyService _cs;
-            private readonly DbHandler _db;
+            private readonly DbService _db;
 
             [NadekoCommand, Usage, Description, Aliases]
             [RequireContext(ContextType.Guild)]

src/NadekoBot/Modules/Gambling/Gambling.cs

@@ -13,14 +13,14 @@ namespace NadekoBot.Modules.Gambling
     public partial class Gambling : NadekoTopLevelModule
     {
         private readonly BotConfig _bc;
-        private readonly DbHandler _db;
+        private readonly DbService _db;
-        private readonly CurrencyHandler _currency;
+        private readonly CurrencyService _currency;
 
         private string CurrencyName => _bc.CurrencyName;
         private string CurrencyPluralName => _bc.CurrencyPluralName;
         private string CurrencySign => _bc.CurrencySign;
 
-        public Gambling(BotConfig bc, DbHandler db, CurrencyHandler currency)
+        public Gambling(BotConfig bc, DbService db, CurrencyService currency)
         {
             _bc = bc;
             _db = db;
@@ -71,13 +71,13 @@ namespace NadekoBot.Modules.Gambling
         {
             if (amount <= 0 || Context.User.Id == receiver.Id)
                 return;
-            var success = await _currency.RemoveCurrencyAsync((IGuildUser)Context.User, $"Gift to {receiver.Username} ({receiver.Id}).", amount, false).ConfigureAwait(false);
+            var success = await _currency.RemoveAsync((IGuildUser)Context.User, $"Gift to {receiver.Username} ({receiver.Id}).", amount, false).ConfigureAwait(false);
             if (!success)
             {
                 await ReplyErrorLocalized("not_enough", CurrencyPluralName).ConfigureAwait(false);
                 return;
             }
-            await _currency.AddCurrencyAsync(receiver, $"Gift from {Context.User.Username} ({Context.User.Id}).", amount, true).ConfigureAwait(false);
+            await _currency.AddAsync(receiver, $"Gift from {Context.User.Username} ({Context.User.Id}).", amount, true).ConfigureAwait(false);
             await ReplyConfirmLocalized("gifted", amount + CurrencySign, Format.Bold(receiver.ToString()))
                 .ConfigureAwait(false);
         }
@@ -97,7 +97,7 @@ namespace NadekoBot.Modules.Gambling
             if (amount <= 0)
                 return;
 
-            await _currency.AddCurrencyAsync(usrId, $"Awarded by bot owner. ({Context.User.Username}/{Context.User.Id})", amount).ConfigureAwait(false);
+            await _currency.AddAsync(usrId, $"Awarded by bot owner. ({Context.User.Username}/{Context.User.Id})", amount).ConfigureAwait(false);
             await ReplyConfirmLocalized("awarded", amount + CurrencySign, $"<@{usrId}>").ConfigureAwait(false);
         }
 
@@ -110,7 +110,7 @@ namespace NadekoBot.Modules.Gambling
             var users = (await Context.Guild.GetUsersAsync())
                                .Where(u => u.GetRoles().Contains(role))
                                .ToList();
-            await Task.WhenAll(users.Select(u => _currency.AddCurrencyAsync(u.Id,
+            await Task.WhenAll(users.Select(u => _currency.AddAsync(u.Id,
                                                       $"Awarded by bot owner to **{role.Name}** role. ({Context.User.Username}/{Context.User.Id})",
                                                       amount)))
                          .ConfigureAwait(false);
@@ -129,7 +129,7 @@ namespace NadekoBot.Modules.Gambling
             if (amount <= 0)
                 return;
 
-            if (await _currency.RemoveCurrencyAsync(user, $"Taken by bot owner.({Context.User.Username}/{Context.User.Id})", amount, true).ConfigureAwait(false))
+            if (await _currency.RemoveAsync(user, $"Taken by bot owner.({Context.User.Username}/{Context.User.Id})", amount, true).ConfigureAwait(false))
                 await ReplyConfirmLocalized("take", amount+CurrencySign, Format.Bold(user.ToString())).ConfigureAwait(false);
             else
                 await ReplyErrorLocalized("take_fail", amount + CurrencySign, Format.Bold(user.ToString()), CurrencyPluralName).ConfigureAwait(false);
@@ -143,7 +143,7 @@ namespace NadekoBot.Modules.Gambling
             if (amount <= 0)
                 return;
 
-            if (await _currency.RemoveCurrencyAsync(usrId, $"Taken by bot owner.({Context.User.Username}/{Context.User.Id})", amount).ConfigureAwait(false))
+            if (await _currency.RemoveAsync(usrId, $"Taken by bot owner.({Context.User.Username}/{Context.User.Id})", amount).ConfigureAwait(false))
                 await ReplyConfirmLocalized("take", amount + CurrencySign, $"<@{usrId}>").ConfigureAwait(false);
             else
                 await ReplyErrorLocalized("take_fail", amount + CurrencySign, Format.Code(usrId.ToString()), CurrencyPluralName).ConfigureAwait(false);
@@ -210,7 +210,7 @@ namespace NadekoBot.Modules.Gambling
             if (amount < 1)
                 return;
 
-            if (!await _currency.RemoveCurrencyAsync(Context.User, "Betroll Gamble", amount, false).ConfigureAwait(false))
+            if (!await _currency.RemoveAsync(Context.User, "Betroll Gamble", amount, false).ConfigureAwait(false))
             {
                 await ReplyErrorLocalized("not_enough", CurrencyPluralName).ConfigureAwait(false);
                 return;
@@ -227,19 +227,19 @@ namespace NadekoBot.Modules.Gambling
                 if (rnd < 91)
                 {
                     str += GetText("br_win", (amount * _bc.Betroll67Multiplier) + CurrencySign, 66);
-                    await _currency.AddCurrencyAsync(Context.User, "Betroll Gamble",
+                    await _currency.AddAsync(Context.User, "Betroll Gamble",
                         (int) (amount * _bc.Betroll67Multiplier), false).ConfigureAwait(false);
                 }
                 else if (rnd < 100)
                 {
                     str += GetText("br_win", (amount * _bc.Betroll91Multiplier) + CurrencySign, 90);
-                    await _currency.AddCurrencyAsync(Context.User, "Betroll Gamble",
+                    await _currency.AddAsync(Context.User, "Betroll Gamble",
                         (int) (amount * _bc.Betroll91Multiplier), false).ConfigureAwait(false);
                 }
                 else
                 {
                     str += GetText("br_win", (amount * _bc.Betroll100Multiplier) + CurrencySign, 100) + " 👑";
-                    await _currency.AddCurrencyAsync(Context.User, "Betroll Gamble",
+                    await _currency.AddAsync(Context.User, "Betroll Gamble",
                         (int) (amount * _bc.Betroll100Multiplier), false).ConfigureAwait(false);
                 }
             }

src/NadekoBot/Modules/Games/Commands/Acropobia.cs

@@ -65,7 +65,7 @@ namespace NadekoBot.Modules.Games
             Voting
         }
 
-        //todo Isolate, this shouldn't print or anything like that.
+        //todo 85 Isolate, this shouldn't print or anything like that.
         public class AcrophobiaGame
         {
             private readonly ITextChannel _channel;

src/NadekoBot/Modules/Games/Commands/CleverBotCommands.cs

@@ -13,10 +13,10 @@ namespace NadekoBot.Modules.Games
         [Group]
         public class CleverBotCommands : NadekoSubmodule
         {
-            private readonly DbHandler _db;
+            private readonly DbService _db;
-            private readonly GamesService _games;
+            private readonly ChatterBotService _games;
 
-            public CleverBotCommands(DbHandler db, GamesService games)
+            public CleverBotCommands(DbService db, ChatterBotService games)
             {
                 _db = db;
                 _games = games;
@@ -29,7 +29,7 @@ namespace NadekoBot.Modules.Games
             {
                 var channel = (ITextChannel)Context.Channel;
 
-                if (_games.CleverbotGuilds.TryRemove(channel.Guild.Id, out Lazy<ChatterBotSession> throwaway))
+                if (_games.ChatterBotGuilds.TryRemove(channel.Guild.Id, out Lazy<ChatterBotSession> throwaway))
                 {
                     using (var uow = _db.UnitOfWork)
                     {
@@ -40,7 +40,7 @@ namespace NadekoBot.Modules.Games
                     return;
                 }
 
-                _games.CleverbotGuilds.TryAdd(channel.Guild.Id, new Lazy<ChatterBotSession>(() => new ChatterBotSession(Context.Guild.Id), true));
+                _games.ChatterBotGuilds.TryAdd(channel.Guild.Id, new Lazy<ChatterBotSession>(() => new ChatterBotSession(Context.Guild.Id), true));
 
                 using (var uow = _db.UnitOfWork)
                 {

src/NadekoBot/Modules/Games/Commands/PlantAndPickCommands.cs

@@ -24,16 +24,16 @@ namespace NadekoBot.Modules.Games
         [Group]
         public class PlantPickCommands : NadekoSubmodule
         {
-            private readonly CurrencyHandler _ch;
+            private readonly CurrencyService _cs;
             private readonly BotConfig _bc;
             private readonly GamesService _games;
-            private readonly DbHandler _db;
+            private readonly DbService _db;
 
-            public PlantPickCommands(BotConfig bc, CurrencyHandler ch, GamesService games,
+            public PlantPickCommands(BotConfig bc, CurrencyService cs, GamesService games,
-                DbHandler db)
+                DbService db)
             {
                 _bc = bc;
-                _ch = ch;
+                _cs = cs;
                 _games = games;
                 _db = db;
             }
@@ -54,7 +54,7 @@ namespace NadekoBot.Modules.Games
 
                 await Task.WhenAll(msgs.Where(m => m != null).Select(toDelete => toDelete.DeleteAsync())).ConfigureAwait(false);
 
-                await _ch.AddCurrencyAsync((IGuildUser)Context.User, $"Picked {_bc.CurrencyPluralName}", msgs.Count, false).ConfigureAwait(false);
+                await _cs.AddAsync((IGuildUser)Context.User, $"Picked {_bc.CurrencyPluralName}", msgs.Count, false).ConfigureAwait(false);
                 var msg = await ReplyConfirmLocalized("picked", msgs.Count + _bc.CurrencySign)
                     .ConfigureAwait(false);
                 msg.DeleteAfter(10);
@@ -67,7 +67,7 @@ namespace NadekoBot.Modules.Games
                 if (amount < 1)
                     return;
 
-                var removed = await _ch.RemoveCurrencyAsync((IGuildUser)Context.User, $"Planted a {_bc.CurrencyName}", amount, false).ConfigureAwait(false);
+                var removed = await _cs.RemoveAsync((IGuildUser)Context.User, $"Planted a {_bc.CurrencyName}", amount, false).ConfigureAwait(false);
                 if (!removed)
                 {
                     await ReplyErrorLocalized("not_enough", _bc.CurrencySign).ConfigureAwait(false);
@@ -88,9 +88,9 @@ namespace NadekoBot.Modules.Games
                     msgToSend += " " + GetText("pick_sn", Prefix);
 
                 IUserMessage msg;
-                using (var toSend = imgData.Value.ToStream())
+                using (var toSend = imgData.Data.ToStream())
                 {
-                    msg = await Context.Channel.SendFileAsync(toSend, imgData.Key, msgToSend).ConfigureAwait(false);
+                    msg = await Context.Channel.SendFileAsync(toSend, imgData.Name, msgToSend).ConfigureAwait(false);
                 }
 
                 var msgs = new IUserMessage[amount];

src/NadekoBot/Modules/Games/Commands/PollCommands.cs

@@ -3,12 +3,8 @@ using Discord.Commands;
 using Discord.WebSocket;
 using NadekoBot.Attributes;
 using NadekoBot.Extensions;
-using System.Collections.Concurrent;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
 using System.Threading.Tasks;
-using NadekoBot.Services;
+using NadekoBot.Services.Games;
 
 namespace NadekoBot.Modules.Games
 {
@@ -17,12 +13,13 @@ namespace NadekoBot.Modules.Games
         [Group]
         public class PollCommands : NadekoSubmodule
         {
-            public static ConcurrentDictionary<ulong, Poll> ActivePolls = new ConcurrentDictionary<ulong, Poll>();
             private readonly DiscordShardedClient _client;
+            private readonly PollService _polls;
 
-            public PollCommands(DiscordShardedClient client)
+            public PollCommands(DiscordShardedClient client, PollService polls)
             {
                 _client = client;
+                _polls = polls;
             }
 
             [NadekoCommand, Usage, Description, Aliases]
@@ -42,8 +39,7 @@ namespace NadekoBot.Modules.Games
             [RequireContext(ContextType.Guild)]
             public async Task PollStats()
             {
-                Poll poll;
+                if (!_polls.ActivePolls.TryGetValue(Context.Guild.Id, out var poll))
-                if (!ActivePolls.TryGetValue(Context.Guild.Id, out poll))
                     return;
 
                 await Context.Channel.EmbedAsync(poll.GetStats(GetText("current_poll_results")));
@@ -51,20 +47,7 @@ namespace NadekoBot.Modules.Games
 
             private async Task InternalStartPoll(string arg, bool isPublic = false)
             {
-                var channel = (ITextChannel)Context.Channel;
+                if(await _polls.StartPoll((ITextChannel)Context.Channel, Context.Message, arg, isPublic) == false)
-
-                if (string.IsNullOrWhiteSpace(arg) || !arg.Contains(";"))
-                    return;
-                var data = arg.Split(';');
-                if (data.Length < 3)
-                    return;
-
-                var poll = new Poll(_client, _strings, Context.Message, data[0], data.Skip(1), isPublic: isPublic);
-                if (ActivePolls.TryAdd(channel.Guild.Id, poll))
-                {
-                    await poll.StartPoll().ConfigureAwait(false);
-                }
-                else
                     await ReplyErrorLocalized("poll_already_running").ConfigureAwait(false);
             }
 
@@ -75,151 +58,11 @@ namespace NadekoBot.Modules.Games
             {
                 var channel = (ITextChannel)Context.Channel;
 
-                Poll poll;
+                _polls.ActivePolls.TryRemove(channel.Guild.Id, out var poll);
-                ActivePolls.TryRemove(channel.Guild.Id, out poll);
                 await poll.StopPoll().ConfigureAwait(false);
             }
         }
 
-        public class Poll
-        {
-            private readonly IUserMessage _originalMessage;
-            private readonly IGuild _guild;
-            private string[] answers { get; }
-            private readonly ConcurrentDictionary<ulong, int> _participants = new ConcurrentDictionary<ulong, int>();
-            private readonly string _question;
-            private readonly DiscordShardedClient _client;
-            private readonly NadekoStrings _strings;
         
-            public bool IsPublic { get; }
-
-            public Poll(DiscordShardedClient client, NadekoStrings strings, IUserMessage umsg, string question, IEnumerable<string> enumerable, bool isPublic = false)
-            {
-                _client = client;
-                _strings = strings;
-
-                _originalMessage = umsg;
-                _guild = ((ITextChannel)umsg.Channel).Guild;
-                _question = question;
-                answers = enumerable as string[] ?? enumerable.ToArray();
-                IsPublic = isPublic;
-            }
-
-            public EmbedBuilder GetStats(string title)
-            {
-                var results = _participants.GroupBy(kvp => kvp.Value)
-                                    .ToDictionary(x => x.Key, x => x.Sum(kvp => 1))
-                                    .OrderByDescending(kvp => kvp.Value)
-                                    .ToArray();
-
-                var eb = new EmbedBuilder().WithTitle(title);
-
-                var sb = new StringBuilder()
-                    .AppendLine(Format.Bold(_question))
-                    .AppendLine();
-
-                var totalVotesCast = 0;
-                if (results.Length == 0)
-                {
-                    sb.AppendLine(GetText("no_votes_cast"));
-                }
-                else
-                {
-                    for (int i = 0; i < results.Length; i++)
-                    {
-                        var result = results[i];
-                        sb.AppendLine(GetText("poll_result", 
-                            result.Key,
-                            Format.Bold(answers[result.Key - 1]), 
-                            Format.Bold(result.Value.ToString())));
-                        totalVotesCast += result.Value;
-                    }
-                }
-
-
-                eb.WithDescription(sb.ToString())
-                  .WithFooter(efb => efb.WithText(GetText("x_votes_cast", totalVotesCast)));
-
-                return eb;
-            }
-
-            public async Task StartPoll()
-            {
-                _client.MessageReceived += Vote;
-                var msgToSend = GetText("poll_created", Format.Bold(_originalMessage.Author.Username)) + "\n\n" + Format.Bold(_question) + "\n";
-                var num = 1;
-                msgToSend = answers.Aggregate(msgToSend, (current, answ) => current + $"`{num++}.` **{answ}**\n");
-                if (!IsPublic)
-                    msgToSend += "\n" + Format.Bold(GetText("poll_vote_private"));
-                else
-                    msgToSend += "\n" + Format.Bold(GetText("poll_vote_public"));
-                await _originalMessage.Channel.SendConfirmAsync(msgToSend).ConfigureAwait(false);
-            }
-
-            public async Task StopPoll()
-            {
-                _client.MessageReceived -= Vote;
-                await _originalMessage.Channel.EmbedAsync(GetStats("POLL CLOSED")).ConfigureAwait(false);
-            }
-
-            private async Task Vote(SocketMessage imsg)
-            {
-                try
-                {
-                    // has to be a user message
-                    var msg = imsg as SocketUserMessage;
-                    if (msg == null || msg.Author.IsBot)
-                        return;
-
-                    // has to be an integer
-                    int vote;
-                    if (!int.TryParse(imsg.Content, out vote))
-                        return;
-                    if (vote < 1 || vote > answers.Length)
-                        return;
-
-                    IMessageChannel ch;
-                    if (IsPublic)
-                    {
-                        //if public, channel must be the same the poll started in
-                        if (_originalMessage.Channel.Id != imsg.Channel.Id)
-                            return;
-                        ch = imsg.Channel;
-                    }
-                    else
-                    {
-                        //if private, channel must be dm channel
-                        if ((ch = msg.Channel as IDMChannel) == null)
-                            return;
-
-                        // user must be a member of the guild this poll is in
-                        var guildUsers = await _guild.GetUsersAsync().ConfigureAwait(false);
-                        if (guildUsers.All(u => u.Id != imsg.Author.Id))
-                            return;
-                    }
-
-                    //user can vote only once
-                    if (_participants.TryAdd(msg.Author.Id, vote))
-                    {
-                        if (!IsPublic)
-                        {
-                            await ch.SendConfirmAsync(GetText("thanks_for_voting", Format.Bold(msg.Author.Username))).ConfigureAwait(false);
-                        }
-                        else
-                        {
-                            var toDelete = await ch.SendConfirmAsync(GetText("poll_voted", Format.Bold(msg.Author.ToString()))).ConfigureAwait(false);
-                            toDelete.DeleteAfter(5);
-                        }
-                    }
-                }
-                catch { }
-            }
-
-            private string GetText(string key, params object[] replacements)
-                => _strings.GetText(key,
-                    _guild.Id,
-                    typeof(Games).Name.ToLowerInvariant(),
-                    replacements);
-        }
     }
 }

src/NadekoBot/Modules/Games/Commands/SpeedTypingCommands.cs

@@ -6,7 +6,6 @@ using NadekoBot.Extensions;
 using NadekoBot.Modules.Games.Models;
 using NadekoBot.Services.Games;
 using Newtonsoft.Json;
-using System;
 using System.Collections.Concurrent;
 using System.IO;
 using System.Linq;
@@ -71,15 +70,10 @@ namespace NadekoBot.Modules.Games
             public async Task Typeadd([Remainder] string text)
             {
                 var channel = (ITextChannel)Context.Channel;
+                if (string.IsNullOrWhiteSpace(text))
+                    return;
 
-                _games.TypingArticles.Add(new TypingArticle
+                _games.AddTypingArticle(Context.User, text);                
-                {
-                    Title = $"Text added on {DateTime.UtcNow} by {Context.User}",
-                    Text = text.SanitizeMentions(),
-                });
-
-                //todo move this to service
-                File.WriteAllText(_games.TypingArticlesPath, JsonConvert.SerializeObject(_games.TypingArticles));
 
                 await channel.SendConfirmAsync("Added new article for typing game.").ConfigureAwait(false);
             }

src/NadekoBot/Modules/Games/Commands/Trivia/TriviaGame.cs

@@ -22,7 +22,7 @@ namespace NadekoBot.Modules.Games.Trivia
         private readonly NadekoStrings _strings;
         private readonly DiscordShardedClient _client;
         private readonly BotConfig _bc;
-        private readonly CurrencyHandler _ch;
+        private readonly CurrencyService _cs;
 
         public IGuild Guild { get; }
         public ITextChannel Channel { get; }
@@ -44,14 +44,14 @@ namespace NadekoBot.Modules.Games.Trivia
         public int WinRequirement { get; }
 
         public TriviaGame(NadekoStrings strings, DiscordShardedClient client, BotConfig bc,
-            CurrencyHandler ch, IGuild guild, ITextChannel channel,
+            CurrencyService cs, IGuild guild, ITextChannel channel,
             bool showHints, int winReq, bool isPokemon)
         {
             _log = LogManager.GetCurrentClassLogger();
             _strings = strings;
             _client = client;
             _bc = bc;
-            _ch = ch;
+            _cs = cs;
 
             ShowHints = showHints;
             Guild = guild;
@@ -227,7 +227,7 @@ namespace NadekoBot.Modules.Games.Trivia
                     }
                     var reward = _bc.TriviaCurrencyReward;
                     if (reward > 0)
-                        await _ch.AddCurrencyAsync(guildUser, "Won trivia", reward, true).ConfigureAwait(false);
+                        await _cs.AddAsync(guildUser, "Won trivia", reward, true).ConfigureAwait(false);
                     return;
                 }
 

src/NadekoBot/Modules/Games/Commands/TriviaCommands.cs

@@ -17,15 +17,15 @@ namespace NadekoBot.Modules.Games
         [Group]
         public class TriviaCommands : NadekoSubmodule
         {
-            private readonly CurrencyHandler _ch;
+            private readonly CurrencyService _cs;
             private readonly DiscordShardedClient _client;
             private readonly BotConfig _bc;
 
             public static ConcurrentDictionary<ulong, TriviaGame> RunningTrivias { get; } = new ConcurrentDictionary<ulong, TriviaGame>();
 
-            public TriviaCommands(DiscordShardedClient client, BotConfig bc, CurrencyHandler ch)
+            public TriviaCommands(DiscordShardedClient client, BotConfig bc, CurrencyService cs)
             {
-                _ch = ch;
+                _cs = cs;
                 _client = client;
                 _bc = bc;
             }
@@ -49,7 +49,7 @@ namespace NadekoBot.Modules.Games
                 var showHints = !additionalArgs.Contains("nohint");
                 var isPokemon = additionalArgs.Contains("pokemon");
 
-                var trivia = new TriviaGame(_strings, _client, _bc, _ch, channel.Guild, channel, showHints, winReq, isPokemon);
+                var trivia = new TriviaGame(_strings, _client, _bc, _cs, channel.Guild, channel, showHints, winReq, isPokemon);
                 if (RunningTrivias.TryAdd(channel.Guild.Id, trivia))
                 {
                     try

src/NadekoBot/Modules/Music/Music.cs

@@ -14,19 +14,21 @@ using System.Collections.Generic;
 using NadekoBot.Services.Database.Models;
 using System.Threading;
 using NadekoBot.Services.Music;
+using NadekoBot.DataStructures;
 
 namespace NadekoBot.Modules.Music
 {
+    [NoPublicBot]
     public class Music : NadekoTopLevelModule 
     {
         private static MusicService _music;
         private readonly DiscordShardedClient _client;
         private readonly IBotCredentials _creds;
         private readonly IGoogleApiService _google;
-        private readonly DbHandler _db;
+        private readonly DbService _db;
 
         public Music(DiscordShardedClient client, IBotCredentials creds, IGoogleApiService google,
-            DbHandler db, MusicService music)
+            DbService db, MusicService music)
         {
             _client = client;
             _creds = creds;

src/NadekoBot/Modules/Permissions/Commands/BlacklistCommands.cs

@@ -23,14 +23,14 @@ namespace NadekoBot.Modules.Permissions
         public class BlacklistCommands : NadekoSubmodule
         {
             private readonly BlacklistService _bs;
-            private readonly DbHandler _db;
+            private readonly DbService _db;
             private readonly IBotCredentials _creds;
 
             private ConcurrentHashSet<ulong> BlacklistedUsers => _bs.BlacklistedUsers;
             private ConcurrentHashSet<ulong> BlacklistedGuilds => _bs.BlacklistedGuilds;
             private ConcurrentHashSet<ulong> BlacklistedChannels => _bs.BlacklistedChannels;
 
-            public BlacklistCommands(BlacklistService bs, DbHandler db, IBotCredentials creds)
+            public BlacklistCommands(BlacklistService bs, DbService db, IBotCredentials creds)
             {
                 _bs = bs;
                 _db = db;

src/NadekoBot/Modules/Permissions/Commands/CmdCdsCommands.cs

@@ -17,7 +17,7 @@ namespace NadekoBot.Modules.Permissions
         [Group]
         public class CmdCdsCommands : NadekoSubmodule
         {
-            private readonly DbHandler _db;
+            private readonly DbService _db;
             private readonly CmdCdService _service;
 
             private ConcurrentDictionary<ulong, ConcurrentHashSet<CommandCooldown>> CommandCooldowns 
@@ -25,7 +25,7 @@ namespace NadekoBot.Modules.Permissions
             private ConcurrentDictionary<ulong, ConcurrentHashSet<ActiveCooldown>> ActiveCooldowns
                 => _service.ActiveCooldowns;
 
-            public CmdCdsCommands(CmdCdService service, DbHandler db)
+            public CmdCdsCommands(CmdCdService service, DbService db)
             {
                 _service = service;
                 _db = db;
@@ -88,40 +88,6 @@ namespace NadekoBot.Modules.Permissions
                 else
                     await channel.SendTableAsync("", localSet.Select(c => c.CommandName + ": " + c.Seconds + GetText("sec")), s => $"{s,-30}", 2).ConfigureAwait(false);
             }
-
-            public bool HasCooldown(CommandInfo cmd, IGuild guild, IUser user)
-            {
-                if (guild == null)
-                    return false;
-                var cmdcds = CommandCooldowns.GetOrAdd(guild.Id, new ConcurrentHashSet<CommandCooldown>());
-                CommandCooldown cdRule;
-                if ((cdRule = cmdcds.FirstOrDefault(cc => cc.CommandName == cmd.Aliases.First().ToLowerInvariant())) != null)
-                {
-                    var activeCdsForGuild = ActiveCooldowns.GetOrAdd(guild.Id, new ConcurrentHashSet<ActiveCooldown>());
-                    if (activeCdsForGuild.FirstOrDefault(ac => ac.UserId == user.Id && ac.Command == cmd.Aliases.First().ToLowerInvariant()) != null)
-                    {
-                        return true;
-                    }
-                    activeCdsForGuild.Add(new ActiveCooldown()
-                    {
-                        UserId = user.Id,
-                        Command = cmd.Aliases.First().ToLowerInvariant(),
-                    });
-                    var _ = Task.Run(async () =>
-                    {
-                        try
-                        {
-                            await Task.Delay(cdRule.Seconds * 1000);
-                            activeCdsForGuild.RemoveWhere(ac => ac.Command == cmd.Aliases.First().ToLowerInvariant() && ac.UserId == user.Id);
-                        }
-                        catch
-                        {
-                            // ignored
-                        }
-                    });
-                }
-                return false;
-            }
         }
     }
 }

src/NadekoBot/Modules/Permissions/Commands/FilterCommands.cs

@@ -15,10 +15,10 @@ namespace NadekoBot.Modules.Permissions
         [Group]
         public class FilterCommands : NadekoSubmodule
         {
-            private readonly DbHandler _db;
+            private readonly DbService _db;
             private readonly FilterService _service;
 
-            public FilterCommands(FilterService service, DbHandler db)
+            public FilterCommands(FilterService service, DbService db)
             {
                 _service = service;
                 _db = db;

src/NadekoBot/Modules/Permissions/Commands/GlobalPermissionCommands.cs

@@ -16,9 +16,9 @@ namespace NadekoBot.Modules.Permissions
         public class GlobalPermissionCommands : NadekoSubmodule
         {
             private GlobalPermissionService _service;
-            private readonly DbHandler _db;
+            private readonly DbService _db;
 
-            public GlobalPermissionCommands(GlobalPermissionService service, DbHandler db)
+            public GlobalPermissionCommands(GlobalPermissionService service, DbService db)
             {
                 _service = service;
                 _db = db;

src/NadekoBot/Modules/Permissions/Commands/ResetPermissionsCommands.cs

@@ -14,10 +14,10 @@ namespace NadekoBot.Modules.Permissions.Commands
         public class ResetPermissionsCommands : NadekoSubmodule
         {
             private readonly PermissionsService _service;
-            private readonly DbHandler _db;
+            private readonly DbService _db;
             private readonly GlobalPermissionService _globalPerms;
 
-            public ResetPermissionsCommands(PermissionsService service, GlobalPermissionService globalPerms, DbHandler db)
+            public ResetPermissionsCommands(PermissionsService service, GlobalPermissionService globalPerms, DbService db)
             {
                 _service = service;
                 _db = db;
@@ -29,7 +29,7 @@ namespace NadekoBot.Modules.Permissions.Commands
             [RequireUserPermission(GuildPermission.Administrator)]
             public async Task ResetPermissions()
             {
-                //todo 80 move to service
+                //todo 50 move to service
                 using (var uow = _db.UnitOfWork)
                 {
                     var config = uow.GuildConfigs.GcWithPermissionsv2For(Context.Guild.Id);
@@ -44,7 +44,7 @@ namespace NadekoBot.Modules.Permissions.Commands
             [OwnerOnly]
             public async Task ResetGlobalPermissions()
             {
-                //todo 80 move to service
+                //todo 50 move to service
                 using (var uow = _db.UnitOfWork)
                 {
                     var gc = uow.BotConfig.GetOrCreate();

src/NadekoBot/Modules/Permissions/Permissions.cs

@@ -15,10 +15,10 @@ namespace NadekoBot.Modules.Permissions
 {
     public partial class Permissions : NadekoTopLevelModule
     {
-        private readonly DbHandler _db;
+        private readonly DbService _db;
         private readonly PermissionsService _service;
 
-        public Permissions(PermissionsService service, DbHandler db)
+        public Permissions(PermissionsService service, DbService db)
         {
             _db = db;
             _service = service;

src/NadekoBot/Modules/Pokemon/Pokemon.cs

@@ -15,16 +15,16 @@ namespace NadekoBot.Modules.Pokemon
     public class Pokemon : NadekoTopLevelModule
     {
         private readonly PokemonService _service;
-        private readonly DbHandler _db;
+        private readonly DbService _db;
         private readonly BotConfig _bc;
-        private readonly CurrencyHandler _ch;
+        private readonly CurrencyService _cs;
 
-        public Pokemon(PokemonService pokemonService, DbHandler db, BotConfig bc, CurrencyHandler ch)
+        public Pokemon(PokemonService pokemonService, DbService db, BotConfig bc, CurrencyService cs)
         {
             _service = pokemonService;
             _db = db;
             _bc = bc;
-            _ch = ch;
+            _cs = cs;
         }
 
         private int GetDamage(PokemonType usertype, PokemonType targetType)
@@ -229,7 +229,7 @@ namespace NadekoBot.Modules.Pokemon
                 var target = (targetUser.Id == user.Id) ? "yourself" : targetUser.Mention;
                 if (amount > 0)
                 {
-                    if (!await _ch.RemoveCurrencyAsync(user, $"Poke-Heal {target}", amount, true).ConfigureAwait(false))
+                    if (!await _cs.RemoveAsync(user, $"Poke-Heal {target}", amount, true).ConfigureAwait(false))
                     {
                         await ReplyErrorLocalized("no_currency", _bc.CurrencySign).ConfigureAwait(false);
                         return;
@@ -295,7 +295,7 @@ namespace NadekoBot.Modules.Pokemon
             var amount = 1;
             if (amount > 0)
             {
-                if (!await _ch.RemoveCurrencyAsync(user, $"{user} change type to {typeTargeted}", amount, true).ConfigureAwait(false))
+                if (!await _cs.RemoveAsync(user, $"{user} change type to {typeTargeted}", amount, true).ConfigureAwait(false))
                 {
                     await ReplyErrorLocalized("no_currency", _bc.CurrencySign).ConfigureAwait(false);
                     return;

src/NadekoBot/Modules/Searches/Commands/LoLCommands.cs

@@ -9,7 +9,7 @@ using System.Linq;
 using System.Net.Http;
 using System.Threading.Tasks;
 
-//todo drawing
+//todo 50 drawing
 namespace NadekoBot.Modules.Searches
 {
     public partial class Searches

src/NadekoBot/Modules/Searches/Commands/StreamNotificationCommands.cs

@@ -17,10 +17,10 @@ namespace NadekoBot.Modules.Searches
         [Group]
         public class StreamNotificationCommands : NadekoSubmodule
         {
-            private readonly DbHandler _db;
+            private readonly DbService _db;
             private readonly StreamNotificationService _service;
 
-            public StreamNotificationCommands(DbHandler db, StreamNotificationService service)
+            public StreamNotificationCommands(DbService db, StreamNotificationService service)
             {
                 _db = db;
                 _service = service;

src/NadekoBot/Modules/Searches/Commands/Translator.cs

@@ -59,7 +59,7 @@ namespace NadekoBot.Modules.Searches
                     return;
                 }
                 
-                if (_searches.TranslatedChannels.TryRemove(channel.Id, out var throwaway))
+                if (_searches.TranslatedChannels.TryRemove(channel.Id, out _))
                 {
                     await ReplyConfirmLocalized("atl_stopped").ConfigureAwait(false);
                     return;

src/NadekoBot/Modules/Utility/Commands/CommandMapCommands.cs

@@ -20,10 +20,10 @@ namespace NadekoBot.Modules.Utility
         public class CommandMapCommands : NadekoSubmodule
         {
             private readonly UtilityService _service;
-            private readonly DbHandler _db;
+            private readonly DbService _db;
             private readonly DiscordShardedClient _client;
 
-            public CommandMapCommands(UtilityService service, DbHandler db, DiscordShardedClient client)
+            public CommandMapCommands(UtilityService service, DbService db, DiscordShardedClient client)
             {
                 _service = service;
                 _db = db;

src/NadekoBot/Modules/Utility/Commands/InfoCommands.cs

@@ -18,13 +18,13 @@ namespace NadekoBot.Modules.Utility
         {
             private readonly DiscordShardedClient _client;
             private readonly IStatsService _stats;
-            private readonly CommandHandler _ch;
+            private readonly CommandHandler _cmdHandler;
 
             public InfoCommands(DiscordShardedClient client, IStatsService stats, CommandHandler ch)
             {
                 _client = client;
                 _stats = stats;
-                _ch = ch;
+                _cmdHandler = ch;
             }
 
             [NadekoCommand, Usage, Description, Aliases]
@@ -129,7 +129,7 @@ namespace NadekoBot.Modules.Utility
                 int startCount = page * activityPerPage;
 
                 StringBuilder str = new StringBuilder();
-                foreach (var kvp in _ch.UserMessagesSent.OrderByDescending(kvp => kvp.Value).Skip(page * activityPerPage).Take(activityPerPage))
+                foreach (var kvp in _cmdHandler.UserMessagesSent.OrderByDescending(kvp => kvp.Value).Skip(page * activityPerPage).Take(activityPerPage))
                 {
                     str.AppendLine(GetText("activity_line",
                         ++startCount,
@@ -141,7 +141,7 @@ namespace NadekoBot.Modules.Utility
                     .WithTitle(GetText("activity_page", page + 1))
                     .WithOkColor()
                     .WithFooter(efb => efb.WithText(GetText("activity_users_total",
-                        _ch.UserMessagesSent.Count)))
+                        _cmdHandler.UserMessagesSent.Count)))
                     .WithDescription(str.ToString()));
             }
         }

src/NadekoBot/Modules/Utility/Commands/MessageRepeater.cs

@@ -22,9 +22,9 @@ namespace NadekoBot.Modules.Utility
         {
             private readonly MessageRepeaterService _service;
             private readonly DiscordShardedClient _client;
-            private readonly DbHandler _db;
+            private readonly DbService _db;
 
-            public RepeatCommands(MessageRepeaterService service, DiscordShardedClient client, DbHandler db)
+            public RepeatCommands(MessageRepeaterService service, DiscordShardedClient client, DbService db)
             {
                 _service = service;
                 _client = client;

src/NadekoBot/Modules/Utility/Commands/PatreonCommands.cs

@@ -1,19 +1,12 @@
-using System.Collections.Generic;
+using System.Threading.Tasks;
-using System.Linq;
-using System.Net.Http;
-using System.Threading.Tasks;
 using Discord.Commands;
 using NadekoBot.Attributes;
-using NadekoBot.Modules.Utility.Models;
-using Newtonsoft.Json;
-using System.Threading;
 using System;
-using System.Collections.Immutable;
 using NadekoBot.Services;
 using NadekoBot.Services.Database.Models;
 using NadekoBot.Extensions;
 using Discord;
-using NLog;
+using NadekoBot.Services.Utility;
 
 namespace NadekoBot.Modules.Utility
 {
@@ -22,27 +15,26 @@ namespace NadekoBot.Modules.Utility
         [Group]
         public class PatreonCommands : NadekoSubmodule
         {
-            //todo rename patreon thingy and move it to be a service, or a part of utility service
+            private readonly PatreonRewardsService _patreon;
-            private readonly PatreonThingy patreon;
             private readonly IBotCredentials _creds;
             private readonly BotConfig _config;
-            private readonly DbHandler _db;
+            private readonly DbService _db;
-            private readonly CurrencyHandler _currency;
+            private readonly CurrencyService _currency;
 
-            public PatreonCommands(IBotCredentials creds, BotConfig config, DbHandler db, CurrencyHandler currency)
+            public PatreonCommands(PatreonRewardsService p, IBotCredentials creds, BotConfig config, DbService db, CurrencyService currency)
             {
                 _creds = creds;
                 _config = config;
                 _db = db;
                 _currency = currency;
-                patreon = PatreonThingy.GetInstance(creds, db, currency);                
+                _patreon = p;                
             }
 
             [NadekoCommand, Usage, Description, Aliases]
             [OwnerOnly]
             public async Task PatreonRewardsReload()
             {
-                await patreon.LoadPledges().ConfigureAwait(false);
+                await _patreon.LoadPledges().ConfigureAwait(false);
 
                 await Context.Channel.SendConfirmAsync("👌").ConfigureAwait(false);
             }
@@ -60,7 +52,7 @@ namespace NadekoBot.Modules.Utility
                 int amount = 0;
                 try
                 {
-                    amount = await patreon.ClaimReward(Context.User.Id).ConfigureAwait(false);
+                    amount = await _patreon.ClaimReward(Context.User.Id).ConfigureAwait(false);
                 }
                 catch (Exception ex)
                 {
@@ -72,7 +64,7 @@ namespace NadekoBot.Modules.Utility
                     await ReplyConfirmLocalized("clpa_success", amount + _config.CurrencySign).ConfigureAwait(false);
                     return;
                 }
-                var rem = (patreon.Interval - (DateTime.UtcNow - patreon.LastUpdate));
+                var rem = (_patreon.Interval - (DateTime.UtcNow - _patreon.LastUpdate));
                 var helpcmd = Format.Code(NadekoBot.Prefix + "donate");
                 await Context.Channel.EmbedAsync(new EmbedBuilder().WithOkColor()
                     .WithDescription(GetText("clpa_fail"))
@@ -85,158 +77,5 @@ namespace NadekoBot.Modules.Utility
             }
         }
 
-        public class PatreonThingy
-        {
-            //todo quickly hacked while rewriting, fix this
-            private static PatreonThingy _instance = null;
-            public static PatreonThingy GetInstance(IBotCredentials creds, DbHandler db, CurrencyHandler cur) 
-                => _instance ?? (_instance = new PatreonThingy(creds, db, cur));
-
-            private readonly SemaphoreSlim getPledgesLocker = new SemaphoreSlim(1, 1);
-
-            public ImmutableArray<PatreonUserAndReward> Pledges { get; private set; }
-            public DateTime LastUpdate { get; private set; } = DateTime.UtcNow;
-
-            public readonly Timer Updater;
-            private readonly SemaphoreSlim claimLockJustInCase = new SemaphoreSlim(1, 1);
-            private readonly Logger _log;
-
-            public readonly TimeSpan Interval = TimeSpan.FromHours(1);
-            private IBotCredentials _creds;
-            private readonly DbHandler _db;
-            private readonly CurrencyHandler _currency;
-
-            static PatreonThingy() { }
-            private PatreonThingy(IBotCredentials creds, DbHandler db, CurrencyHandler currency)
-            {
-                _creds = creds;
-                _db = db;
-                _currency = currency;
-                if (string.IsNullOrWhiteSpace(creds.PatreonAccessToken))
-                    return;
-                _log = LogManager.GetCurrentClassLogger();
-                Updater = new Timer(async (_) => await LoadPledges(), null, TimeSpan.Zero, Interval);
-            }
-
-            public async Task LoadPledges()
-            {
-                LastUpdate = DateTime.UtcNow;
-                await getPledgesLocker.WaitAsync(1000).ConfigureAwait(false);
-                try
-                {
-                    var rewards = new List<PatreonPledge>();
-                    var users = new List<PatreonUser>();
-                    using (var http = new HttpClient())
-                    {
-                        http.DefaultRequestHeaders.Clear();
-                        http.DefaultRequestHeaders.Add("Authorization", "Bearer " + _creds.PatreonAccessToken);
-                        var data = new PatreonData()
-                        {
-                            Links = new PatreonDataLinks()
-                            {
-                                next = "https://api.patreon.com/oauth2/api/campaigns/334038/pledges"
-                            }
-                        };
-                        do
-                        {
-                            var res = await http.GetStringAsync(data.Links.next)
-                                .ConfigureAwait(false);
-                            data = JsonConvert.DeserializeObject<PatreonData>(res);
-                            var pledgers = data.Data.Where(x => x["type"].ToString() == "pledge");
-                            rewards.AddRange(pledgers.Select(x => JsonConvert.DeserializeObject<PatreonPledge>(x.ToString()))
-                                .Where(x => x.attributes.declined_since == null));
-                            users.AddRange(data.Included
-                                .Where(x => x["type"].ToString() == "user")
-                                .Select(x => JsonConvert.DeserializeObject<PatreonUser>(x.ToString())));
-                        } while (!string.IsNullOrWhiteSpace(data.Links.next));
-                    }
-                    Pledges = rewards.Join(users, (r) => r.relationships?.patron?.data?.id, (u) => u.id, (x, y) => new PatreonUserAndReward()
-                    {
-                        User = y,
-                        Reward = x,
-                    }).ToImmutableArray();
-                }
-                catch (Exception ex)
-                {
-                    _log.Warn(ex);
-                }
-                finally
-                {
-                    var _ = Task.Run(async () =>
-                    {
-                        await Task.Delay(TimeSpan.FromMinutes(5)).ConfigureAwait(false);
-                        getPledgesLocker.Release();
-                    });
-                }
-            }
-
-            public async Task<int> ClaimReward(ulong userId)
-            {
-                await claimLockJustInCase.WaitAsync();
-                var now = DateTime.UtcNow;
-                try
-                {
-                    var data = Pledges.FirstOrDefault(x => x.User.attributes?.social_connections?.discord?.user_id == userId.ToString());
-
-                    if (data == null)
-                        return 0;
-
-                    var amount = data.Reward.attributes.amount_cents;
-
-                    using (var uow = _db.UnitOfWork)
-                    {
-                        var users = uow._context.Set<RewardedUser>();
-                        var usr = users.FirstOrDefault(x => x.PatreonUserId == data.User.id);
-
-                        if (usr == null)
-                        {
-                            users.Add(new RewardedUser()
-                            {
-                                UserId = userId,
-                                PatreonUserId = data.User.id,
-                                LastReward = now,
-                                AmountRewardedThisMonth = amount,
-                            });
-
-                            await _currency.AddCurrencyAsync(userId, "Patreon reward - new", amount, uow).ConfigureAwait(false);
-
-                            await uow.CompleteAsync().ConfigureAwait(false);
-                            return amount;
-                        }
-
-                        if (usr.LastReward.Month != now.Month)
-                        {
-                            usr.LastReward = now;
-                            usr.AmountRewardedThisMonth = amount;
-                            usr.PatreonUserId = data.User.id;
-
-                            await _currency.AddCurrencyAsync(userId, "Patreon reward - recurring", amount, uow).ConfigureAwait(false);
-
-                            await uow.CompleteAsync().ConfigureAwait(false);
-                            return amount;
-                        }
-
-                        if ( usr.AmountRewardedThisMonth < amount)
-                        {
-                            var toAward = amount - usr.AmountRewardedThisMonth;
-
-                            usr.LastReward = now;
-                            usr.AmountRewardedThisMonth = amount;
-                            usr.PatreonUserId = data.User.id;
-
-                            await _currency.AddCurrencyAsync(usr.UserId, "Patreon reward - update", toAward, uow).ConfigureAwait(false);
-
-                            await uow.CompleteAsync().ConfigureAwait(false);
-                            return toAward;
-                        }
-                    }
-                    return 0;
-                }
-                finally
-                {
-                    claimLockJustInCase.Release();
-                }
-            }
-        }
     }
 }

src/NadekoBot/Modules/Utility/Commands/QuoteCommands.cs

@@ -17,9 +17,9 @@ namespace NadekoBot.Modules.Utility
         [Group]
         public class QuoteCommands : NadekoSubmodule
         {
-            private readonly DbHandler _db;
+            private readonly DbService _db;
 
-            public QuoteCommands(DbHandler db)
+            public QuoteCommands(DbService db)
             {
                 _db = db;
             }

src/NadekoBot/Modules/Utility/Commands/Remind.cs

@@ -18,9 +18,9 @@ namespace NadekoBot.Modules.Utility
         public class RemindCommands : NadekoSubmodule
         {
             private readonly RemindService _service;
-            private readonly DbHandler _db;
+            private readonly DbService _db;
 
-            public RemindCommands(RemindService service, DbHandler db)
+            public RemindCommands(RemindService service, DbService db)
             {
                 _service = service;
                 _db = db;

src/NadekoBot/Modules/Utility/Utility.cs

@@ -494,7 +494,6 @@ namespace NadekoBot.Services.Utility
                             }
                             else if (s.Embeds.Any())
                             {
-                                //todo probably just go through all properties and check if they are set, if they are, add them
                                 msg += "EMBEDS: " + string.Join("\n--------\n", s.Embeds.Select(x => $"Description: {x.Description}"));
                             }
                         }

src/NadekoBot/NadekoBot.cs

@@ -24,6 +24,7 @@ using NadekoBot.Services.Games;
 using NadekoBot.Services.Administration;
 using NadekoBot.Services.Permissions;
 using NadekoBot.Services.Utility;
+using NadekoBot.Services.Help;
 
 namespace NadekoBot
 {
@@ -45,7 +46,7 @@ namespace NadekoBot
 
         public ImmutableArray<GuildConfig> AllGuildConfigs { get; }
         public BotConfig BotConfig { get; }
-        public DbHandler Db { get; }
+        public DbService Db { get; }
         public CommandService CommandService { get; }
 
         public DiscordShardedClient Client { get; }
@@ -60,7 +61,7 @@ namespace NadekoBot
             _log = LogManager.GetCurrentClassLogger();
 
             Credentials = new BotCredentials();
-            Db = new DbHandler(Credentials);
+            Db = new DbService(Credentials);
 
             using (var uow = Db.UnitOfWork)
             {
@@ -99,7 +100,7 @@ namespace NadekoBot
             var commandHandler = new CommandHandler(Client, CommandService, Credentials, this);
             var stats = new StatsService(Client, commandHandler, Credentials);
             var images = new ImagesService();
-            var currencyHandler = new CurrencyHandler(BotConfig, Db);
+            var currencyHandler = new CurrencyService(BotConfig, Db);
 
             //module services
             //todo 90 - autodiscover, DI, and add instead of manual like this
@@ -109,27 +110,36 @@ namespace NadekoBot
             var repeaterService = new MessageRepeaterService(Client, AllGuildConfigs);
             var converterService = new ConverterService(Db);
             #endregion
+
             #region Searches
             var searchesService = new SearchesService(Client, googleApiService, Db);
             var streamNotificationService = new StreamNotificationService(Db, Client, strings);
             #endregion
+
             var clashService = new ClashOfClansService(Client, Db, localization, strings);
-            var musicService = new MusicService(googleApiService, strings, localization, Db, soundcloudApiService, Credentials);
+            var musicService = new MusicService(googleApiService, strings, localization, Db, soundcloudApiService, Credentials, AllGuildConfigs);
             var crService = new CustomReactionsService(Db, Client);
+            var helpService = new HelpService(BotConfig);
+
+            #region Games
             var gamesService = new GamesService(Client, BotConfig, AllGuildConfigs, strings, images);
+            var chatterBotService = new ChatterBotService(Client, AllGuildConfigs);
+            var pollService = new PollService(Client, strings);
+            #endregion
+
             #region administration
             var administrationService = new AdministrationService(AllGuildConfigs, commandHandler);
             var greetSettingsService = new GreetSettingsService(Client, AllGuildConfigs, Db);
-            var selfService = new SelfService(this, commandHandler, Db, BotConfig);
+            var selfService = new SelfService(Client, this, commandHandler, Db, BotConfig, localization, strings, Credentials);
-            var vcRoleService = new VcRoleService(Client, AllGuildConfigs);
+            var vcRoleService = new VcRoleService(Client, AllGuildConfigs, Db);
             var vPlusTService = new VplusTService(Client, AllGuildConfigs, strings, Db);
             var muteService = new MuteService(Client, AllGuildConfigs, Db);
-            var ratelimitService = new RatelimitService(Client, AllGuildConfigs);
+            var ratelimitService = new SlowmodeService(AllGuildConfigs);
             var protectionService = new ProtectionService(Client, AllGuildConfigs, muteService);
             var playingRotateService = new PlayingRotateService(Client, BotConfig, musicService);
             var gameVcService = new GameVoiceChannelService(Client, Db, AllGuildConfigs);
             var autoAssignRoleService = new AutoAssignRoleService(Client, AllGuildConfigs);
-            var permissionsService = new PermissionsService(Db);
+            var permissionsService = new PermissionsService(Db, BotConfig);
             var blacklistService = new BlacklistService(BotConfig);
             var cmdcdsService = new CmdCdService(AllGuildConfigs);
             var filterService = new FilterService(AllGuildConfigs);
@@ -148,9 +158,9 @@ namespace NadekoBot
                 .Add<NadekoStrings>(strings)
                 .Add<DiscordShardedClient>(Client)
                 .Add<BotConfig>(BotConfig)
-                .Add<CurrencyHandler>(currencyHandler)
+                .Add<CurrencyService>(currencyHandler)
                 .Add<CommandHandler>(commandHandler)
-                .Add<DbHandler>(Db)
+                .Add<DbService>(Db)
                 //modules
                 .Add<UtilityService>(utilityService)
                     .Add(remindService)
@@ -162,7 +172,10 @@ namespace NadekoBot
                 .Add<MusicService>(musicService)
                 .Add<GreetSettingsService>(greetSettingsService)
                 .Add<CustomReactionsService>(crService)
+                .Add<HelpService>(helpService)
                 .Add<GamesService>(gamesService)
+                    .Add(chatterBotService)
+                    .Add(pollService)
                 .Add<AdministrationService>(administrationService)
                     .Add(selfService)
                     .Add(vcRoleService)
@@ -228,9 +241,13 @@ namespace NadekoBot
             await commandHandler.StartHandling().ConfigureAwait(false);
 
             var _ = await CommandService.AddModulesAsync(this.GetType().GetTypeInfo().Assembly);
-#if !GLOBAL_NADEKO
+#if GLOBAL_NADEKO
-            //todo uncomment this
+            //unload modules which are not available on the public bot
-            //await CommandService.AddModuleAsync<Music>().ConfigureAwait(false);
+            CommandService
+                .Modules
+                .ToArray()
+                .Where(x => x.Preconditions.Any(y => y.GetType() == typeof(NoPublicBot)))
+                .ForEach(x => CommandService.RemoveModuleAsync(x));
 #endif
             Ready = true;
             _log.Info(await stats.Print().ConfigureAwait(false));

src/NadekoBot/NadekoBot.csproj

@@ -29,11 +29,8 @@
   <ItemGroup>
     <Compile Remove="data\**\*;credentials.json;credentials_example.json" />
     <Compile Remove="Modules\Administration\**" />
-    <Compile Remove="Modules\NSFW\**" />
     <EmbeddedResource Remove="Modules\Administration\**" />
-    <EmbeddedResource Remove="Modules\NSFW\**" />
     <None Remove="Modules\Administration\**" />
-    <None Remove="Modules\NSFW\**" />
     <Compile Remove="Modules\Gambling\Commands\Lucky7Commands.cs" />
     <Compile Include="Modules\Administration\Administration.cs" />
     <Compile Include="Modules\Administration\Commands\AutoAssignRoleCommands.cs" />
@@ -87,6 +84,7 @@
     <PackageReference Include="Microsoft.Extensions.PlatformAbstractions" Version="1.1.0" />
     <PackageReference Include="Newtonsoft.Json" Version="10.0.2" />
     <PackageReference Include="NLog" Version="5.0.0-beta03" />
+    <PackageReference Include="System.ValueTuple" Version="4.4.0-preview1-25305-02" />
     <PackageReference Include="System.Xml.XPath" Version="4.3.0" />
   </ItemGroup>
 
@@ -102,5 +100,6 @@
 
   <ItemGroup>
     <Folder Include="Modules\Music\Classes\" />
+    <Folder Include="Modules\Utility\Models\" />
   </ItemGroup>
 </Project>

src/NadekoBot/Services/Administration/GameVoiceChannelService.cs

@@ -15,10 +15,10 @@ namespace NadekoBot.Services.Administration
         public readonly ConcurrentHashSet<ulong> GameVoiceChannels = new ConcurrentHashSet<ulong>();
 
         private readonly Logger _log;
-        private readonly DbHandler _db;
+        private readonly DbService _db;
         private readonly DiscordShardedClient _client;
 
-        public GameVoiceChannelService(DiscordShardedClient client, DbHandler db, IEnumerable<GuildConfig> gcs)
+        public GameVoiceChannelService(DiscordShardedClient client, DbService db, IEnumerable<GuildConfig> gcs)
         {
             _log = LogManager.GetCurrentClassLogger();
             _db = db;

src/NadekoBot/Services/Administration/MuteService.cs

@@ -26,9 +26,9 @@ namespace NadekoBot.Services.Administration
 
         private readonly Logger _log = LogManager.GetCurrentClassLogger();
         private readonly DiscordShardedClient _client;
-        private readonly DbHandler _db;
+        private readonly DbService _db;
 
-        public MuteService(DiscordShardedClient client, IEnumerable<GuildConfig> gcs, DbHandler db)
+        public MuteService(DiscordShardedClient client, IEnumerable<GuildConfig> gcs, DbService db)
         {
             _client = client;
             _db = db;

src/NadekoBot/Services/Administration/RatelimitService.cs

@@ -1,4 +1,5 @@
 using Discord.WebSocket;
+using NadekoBot.DataStructures.ModuleBehaviors;
 using NadekoBot.Extensions;
 using NadekoBot.Services.Database.Models;
 using NLog;
@@ -6,22 +7,22 @@ using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.Linq;
+using Discord;
+using System.Threading.Tasks;
 
 namespace NadekoBot.Services.Administration
 {
-    public class RatelimitService
+    public class SlowmodeService : IEarlyBlocker
     {
         public ConcurrentDictionary<ulong, Ratelimiter> RatelimitingChannels = new ConcurrentDictionary<ulong, Ratelimiter>();
         public ConcurrentDictionary<ulong, HashSet<ulong>> IgnoredRoles = new ConcurrentDictionary<ulong, HashSet<ulong>>();
         public ConcurrentDictionary<ulong, HashSet<ulong>> IgnoredUsers = new ConcurrentDictionary<ulong, HashSet<ulong>>();
 
         private readonly Logger _log;
-        private readonly DiscordShardedClient _client;
 
-        public RatelimitService(DiscordShardedClient client, IEnumerable<GuildConfig> gcs)
+        public SlowmodeService(IEnumerable<GuildConfig> gcs)
         {
             _log = LogManager.GetCurrentClassLogger();
-            _client = client;
 
             IgnoredRoles = new ConcurrentDictionary<ulong, HashSet<ulong>>(
                 gcs.ToDictionary(x => x.GuildId,
@@ -30,24 +31,33 @@ namespace NadekoBot.Services.Administration
             IgnoredUsers = new ConcurrentDictionary<ulong, HashSet<ulong>>(
                 gcs.ToDictionary(x => x.GuildId,
                                  x => new HashSet<ulong>(x.SlowmodeIgnoredUsers.Select(y => y.UserId))));
+        }
 
-            _client.MessageReceived += async (umsg) =>
+        public async Task<bool> TryBlockEarly(DiscordShardedClient client, IGuild guild, IUserMessage usrMsg)
+        {
+            if (guild == null)
+                return false;
+            try
             {
-                try
+                var channel = usrMsg?.Channel as SocketTextChannel;
+
+                if (channel == null || usrMsg == null || usrMsg.IsAuthor(client))
+                    return false;
+                if (!RatelimitingChannels.TryGetValue(channel.Id, out Ratelimiter limiter))
+                    return false;
+
+                if (limiter.CheckUserRatelimit(usrMsg.Author.Id, channel.Guild.Id, usrMsg.Author as SocketGuildUser))
                 {
-                    var usrMsg = umsg as SocketUserMessage;
+                    await usrMsg.DeleteAsync();
-                    var channel = usrMsg?.Channel as SocketTextChannel;
+                    return true;
-
-                    if (channel == null || usrMsg == null || usrMsg.IsAuthor(client))
-                        return;
-                    if (!RatelimitingChannels.TryGetValue(channel.Id, out Ratelimiter limiter))
-                        return;
-
-                    if (limiter.CheckUserRatelimit(usrMsg.Author.Id, channel.Guild.Id, usrMsg.Author as SocketGuildUser))
-                        await usrMsg.DeleteAsync();
                 }
-                catch (Exception ex) { _log.Warn(ex); }
+            }
-            };
+            catch (Exception ex)
+            {
+                _log.Warn(ex);
+                
+            }
+            return false;
         }
     }
 }

src/NadekoBot/Services/Administration/Ratelimiter.cs

@@ -10,7 +10,7 @@ namespace NadekoBot.Services.Administration
 {
     public class Ratelimiter
     {
-        private readonly RatelimitService _svc;
+        private readonly SlowmodeService _svc;
 
         public class RatelimitedUser
         {
@@ -22,7 +22,7 @@ namespace NadekoBot.Services.Administration
         public int MaxMessages { get; set; }
         public int PerSeconds { get; set; }
 
-        public Ratelimiter(RatelimitService svc)
+        public Ratelimiter(SlowmodeService svc)
         {
             _svc = svc;
         }

src/NadekoBot/Services/Administration/SelfService.cs

@@ -1,23 +1,43 @@
-using NadekoBot.Services.Database.Models;
+using Discord;
+using NadekoBot.DataStructures;
+using NadekoBot.DataStructures.ModuleBehaviors;
+using NadekoBot.Extensions;
+using NadekoBot.Services.Database.Models;
+using NLog;
+using System.Collections.Immutable;
+using System.Linq;
 using System.Threading.Tasks;
+using Discord.WebSocket;
+using System.Collections.Generic;
 
 namespace NadekoBot.Services.Administration
 {
-    public class SelfService
+    public class SelfService : ILateExecutor
     {
         public volatile bool ForwardDMs;
         public volatile bool ForwardDMsToAllOwners;
         
         private readonly NadekoBot _bot;
         private readonly CommandHandler _cmdHandler;
-        private readonly DbHandler _db;
+        private readonly DbService _db;
+        private readonly Logger _log;
+        private readonly ILocalization _localization;
+        private readonly NadekoStrings _strings;
+        private readonly DiscordShardedClient _client;
+        private readonly IBotCredentials _creds;
+        private ImmutableArray<AsyncLazy<IDMChannel>> ownerChannels = new ImmutableArray<AsyncLazy<IDMChannel>>();
 
-        public SelfService(NadekoBot bot, CommandHandler cmdHandler, DbHandler db,
+        public SelfService(DiscordShardedClient client, NadekoBot bot, CommandHandler cmdHandler, DbService db,
-            BotConfig bc)
+            BotConfig bc, ILocalization localization, NadekoStrings strings, IBotCredentials creds)
         {
             _bot = bot;
             _cmdHandler = cmdHandler;
             _db = db;
+            _log = LogManager.GetCurrentClassLogger();
+            _localization = localization;
+            _strings = strings;
+            _client = client;
+            _creds = creds;
 
             using (var uow = _db.UnitOfWork)
             {
@@ -37,6 +57,112 @@ namespace NadekoBot.Services.Administration
                     await Task.Delay(400).ConfigureAwait(false);
                 }
             });
+
+            var ___ = Task.Run(async () =>
+            {
+                while (!bot.Ready)
+                    await Task.Delay(1000);
+
+                await Task.Delay(5000);
+
+                _client.Guilds.SelectMany(g => g.Users);
+
+                LoadOwnerChannels();
+
+                if (!ownerChannels.Any())
+                    _log.Warn("No owner channels created! Make sure you've specified correct OwnerId in the credentials.json file.");
+                else
+                    _log.Info($"Created {ownerChannels.Length} out of {_creds.OwnerIds.Length} owner message channels.");
+            });
+        }
+
+        private void LoadOwnerChannels()
+        {
+            var hs = new HashSet<ulong>(_creds.OwnerIds);
+            var channels = new Dictionary<ulong, AsyncLazy<IDMChannel>>();
+
+            foreach (var s in _client.Shards)
+            {
+                if (hs.Count == 0)
+                    break;
+                foreach (var g in s.Guilds)
+                {
+                    if (hs.Count == 0)
+                        break;
+
+                    foreach (var u in g.Users)
+                    {
+                        if (hs.Remove(u.Id))
+                        {
+                            channels.Add(u.Id, new AsyncLazy<IDMChannel>(async () => await u.CreateDMChannelAsync()));
+                            if (hs.Count == 0)
+                                break;
+                        }
+                    }
+                }
+            }
+
+            ownerChannels = channels.OrderBy(x => _creds.OwnerIds.IndexOf(x.Key))
+                    .Select(x => x.Value)
+                    .ToImmutableArray();
+        }
+
+        // forwards dms
+        public async Task LateExecute(DiscordShardedClient client, IGuild guild, IUserMessage msg)
+        {
+            if (msg.Channel is IDMChannel && ForwardDMs && ownerChannels.Length > 0)
+            {
+                var title = _strings.GetText("dm_from",
+                                _localization.DefaultCultureInfo,
+                                "Administration".ToLowerInvariant()) +
+                            $" [{msg.Author}]({msg.Author.Id})";
+
+                var attachamentsTxt = _strings.GetText("attachments",
+                    _localization.DefaultCultureInfo,
+                    "Administration".ToLowerInvariant());
+
+                var toSend = msg.Content;
+
+                if (msg.Attachments.Count > 0)
+                {
+                    toSend += $"\n\n{Format.Code(attachamentsTxt)}:\n" +
+                              string.Join("\n", msg.Attachments.Select(a => a.ProxyUrl));
+                }
+
+                if (ForwardDMsToAllOwners)
+                {
+                    var allOwnerChannels = await Task.WhenAll(ownerChannels
+                        .Select(x => x.Value))
+                        .ConfigureAwait(false);
+
+                    foreach (var ownerCh in allOwnerChannels.Where(ch => ch.Recipient.Id != msg.Author.Id))
+                    {
+                        try
+                        {
+                            await ownerCh.SendConfirmAsync(title, toSend).ConfigureAwait(false);
+                        }
+                        catch
+                        {
+                            _log.Warn("Can't contact owner with id {0}", ownerCh.Recipient.Id);
+                        }
+                    }
+                }
+                else
+                {
+                    var firstOwnerChannel = await ownerChannels[0];
+                    if (firstOwnerChannel.Recipient.Id != msg.Author.Id)
+                    {
+                        try
+                        {
+                            await firstOwnerChannel.SendConfirmAsync(title, toSend).ConfigureAwait(false);
+                        }
+                        catch
+                        {
+                            // ignored
+                        }
+                    }
+                }
+            }
         }
     }
 }

src/NadekoBot/Services/Administration/VcRoleService.cs

@@ -13,20 +13,25 @@ namespace NadekoBot.Services.Administration
     public class VcRoleService
     {
         private readonly Logger _log;
+        private readonly DbService _db;
+        private readonly DiscordShardedClient _client;
 
         public ConcurrentDictionary<ulong, ConcurrentDictionary<ulong, IRole>> VcRoles { get; }
 
-        public VcRoleService(DiscordShardedClient client, IEnumerable<GuildConfig> gcs)
+        public VcRoleService(DiscordShardedClient client, IEnumerable<GuildConfig> gcs, DbService db)
         {
             _log = LogManager.GetCurrentClassLogger();
+            _db = db;
+            _client = client;
 
-            client.UserVoiceStateUpdated += ClientOnUserVoiceStateUpdated;
+            _client.UserVoiceStateUpdated += ClientOnUserVoiceStateUpdated;
             VcRoles = new ConcurrentDictionary<ulong, ConcurrentDictionary<ulong, IRole>>();
+            var missingRoles = new List<VcRoleInfo>();
             foreach (var gconf in gcs)
             {
-                var g = client.GetGuild(gconf.GuildId);
+                var g = _client.GetGuild(gconf.GuildId);
                 if (g == null)
-                    continue; //todo delete everything from db if guild doesn't exist?
+                    continue;
 
                 var infos = new ConcurrentDictionary<ulong, IRole>();
                 VcRoles.TryAdd(gconf.GuildId, infos);
@@ -34,11 +39,21 @@ namespace NadekoBot.Services.Administration
                 {
                     var role = g.GetRole(ri.RoleId);
                     if (role == null)
-                        continue; //todo remove this entry from db
+                    {
+                        missingRoles.Add(ri);
+                        continue;
+                    }
 
                     infos.TryAdd(ri.VoiceChannelId, role);
                 }
             }
+            if(missingRoles.Any())
+                using (var uow = _db.UnitOfWork)
+                {
+                    _log.Warn($"Removing {missingRoles.Count} missing roles from {nameof(VcRoleService)}");
+                    uow._context.RemoveRange(missingRoles);
+                    uow.Complete();
+                }
         }
 
         private Task ClientOnUserVoiceStateUpdated(SocketUser usr, SocketVoiceState oldState,

src/NadekoBot/Services/Administration/VplusTService.cs

@@ -22,11 +22,11 @@ namespace NadekoBot.Services.Administration
         private readonly ConcurrentDictionary<ulong, SemaphoreSlim> _guildLockObjects = new ConcurrentDictionary<ulong, SemaphoreSlim>();
         private readonly DiscordShardedClient _client;
         private readonly NadekoStrings _strings;
-        private readonly DbHandler _db;
+        private readonly DbService _db;
         private readonly Logger _log;
 
         public VplusTService(DiscordShardedClient client, IEnumerable<GuildConfig> gcs, NadekoStrings strings,
-            DbHandler db)
+            DbService db)
         {
             _client = client;
             _strings = strings;

src/NadekoBot/Services/ClashOfClans/ClashOfClansService.cs

@@ -18,14 +18,14 @@ namespace NadekoBot.Services.ClashOfClans
     public class ClashOfClansService
     {
         private readonly DiscordShardedClient _client;
-        private readonly DbHandler _db;
+        private readonly DbService _db;
         private readonly ILocalization _localization;
         private readonly NadekoStrings _strings;
         private readonly Timer checkWarTimer;
 
         public ConcurrentDictionary<ulong, List<ClashWar>> ClashWars { get; set; }
 
-        public ClashOfClansService(DiscordShardedClient client, DbHandler db, ILocalization localization, NadekoStrings strings)
+        public ClashOfClansService(DiscordShardedClient client, DbService db, ILocalization localization, NadekoStrings strings)
         {
             _client = client;
             _db = db;

src/NadekoBot/Services/CommandHandler.cs

@@ -87,20 +87,6 @@ namespace NadekoBot.Services
 
         public Task StartHandling()
         {
-            var _ = Task.Run(async () =>
-            {
-                await Task.Delay(5000).ConfigureAwait(false);
-
-                _client.Guilds.SelectMany(g => g.Users);
-
-                LoadOwnerChannels();
-
-                if (!ownerChannels.Any())
-                    _log.Warn("No owner channels created! Make sure you've specified correct OwnerId in the credentials.json file.");
-                else
-                    _log.Info($"Created {ownerChannels.Length} out of {_creds.OwnerIds.Length} owner message channels.");
-            });
-
             _client.MessageReceived += MessageReceivedHandler;
             _client.MessageUpdated += (oldmsg, newMsg, channel) =>
             {
@@ -126,80 +112,6 @@ namespace NadekoBot.Services
             return Task.CompletedTask;
         }
 
-        private void LoadOwnerChannels()
-        {
-            var hs = new HashSet<ulong>(_creds.OwnerIds);
-            var channels = new Dictionary<ulong, AsyncLazy<IDMChannel>>();
-
-            foreach (var s in _client.Shards)
-            {
-                if(hs.Count == 0)
-                    break;
-                    foreach (var g in s.Guilds)
-                    {
-                        if(hs.Count == 0)
-                            break;
-
-                        foreach (var u in g.Users)
-                        {
-                            if(hs.Remove(u.Id))
-                            {
-                                channels.Add(u.Id, new AsyncLazy<IDMChannel>(async () => await u.CreateDMChannelAsync()));
-                                if(hs.Count == 0)   
-                                        break;
-                            }
-                        }
-                    }
-            }
-
-            ownerChannels = channels.OrderBy(x => _creds.OwnerIds.IndexOf(x.Key))
-                    .Select(x => x.Value)
-                    .ToImmutableArray();
-        }
-        ////todo cleverbot
-        //private async Task<bool> TryRunCleverbot(IUserMessage usrMsg, SocketGuild guild)
-        //{
-        //    if (guild == null)
-        //        return false;
-        //    try
-        //    {
-        //        var message = Games.CleverBotCommands.PrepareMessage(usrMsg, out Games.ChatterBotSession cbs);
-        //        if (message == null || cbs == null)
-        //            return false;
-
-        //        PermissionCache pc = Permissions.GetCache(guild.Id);
-        //        if (!pc.Permissions.CheckPermissions(usrMsg,
-        //            NadekoBot.Prefix + "cleverbot",
-        //            typeof(Games).Name,
-        //            out int index))
-        //        {
-        //            //todo print in guild actually
-        //            var returnMsg =
-        //                $"Permission number #{index + 1} **{pc.Permissions[index].GetCommand(guild)}** is preventing this action.";
-        //            _log.Info(returnMsg);
-        //            return true;
-        //        }
-
-        //        var cleverbotExecuted = await Games.CleverBotCommands.TryAsk(cbs, (ITextChannel)usrMsg.Channel, message).ConfigureAwait(false);
-        //        if (cleverbotExecuted)
-        //        {
-        //            _log.Info($@"CleverBot Executed
-        //Server: {guild.Name} [{guild.Id}]
-        //Channel: {usrMsg.Channel?.Name} [{usrMsg.Channel?.Id}]
-        //UserId: {usrMsg.Author} [{usrMsg.Author.Id}]
-        //Message: {usrMsg.Content}");
-        //            return true;
-        //        }
-        //    }
-        //    catch (Exception ex) { _log.Warn(ex, "Error in cleverbot"); }
-        //    return false;
-        //}
-        ////todo blacklisting
-        //private bool IsBlacklisted(IGuild guild, IUserMessage usrMsg) =>
-        //    (guild != null && BlacklistCommands.BlacklistedGuilds.Contains(guild.Id)) ||
-        //    BlacklistCommands.BlacklistedChannels.Contains(usrMsg.Channel.Id) ||
-        //    BlacklistCommands.BlacklistedUsers.Contains(usrMsg.Author.Id);
-
         private const float _oneThousandth = 1.0f / 1000;
 
         private Task LogSuccessfulExecution(IUserMessage usrMsg, bool exec, ITextChannel channel, params int[] execPoints)
@@ -233,166 +145,66 @@ namespace NadekoBot.Services
                         //exec.Result.ErrorReason // {4}
                         );
         }
-        ////todo invite filtering
-        //private async Task<bool> InviteFiltered(IGuild guild, IUserMessage usrMsg)
-        //{
-        //    if ((Permissions.FilterCommands.InviteFilteringChannels.Contains(usrMsg.Channel.Id) ||
-        //        Permissions.FilterCommands.InviteFilteringServers.Contains(guild.Id)) &&
-        //            usrMsg.Content.IsDiscordInvite())
-        //    {
-        //        try
-        //        {
-        //            await usrMsg.DeleteAsync().ConfigureAwait(false);
-        //            return true;
-        //        }
-        //        catch (HttpException ex)
-        //        {
-        //            _log.Warn("I do not have permission to filter invites in channel with id " + usrMsg.Channel.Id, ex);
-        //            return true;
-        //        }
-        //    }
-        //    return false;
-        //}
 
-        ////todo word filtering
+        private async Task MessageReceivedHandler(SocketMessage msg)
-        //private async Task<bool> WordFiltered(IGuild guild, IUserMessage usrMsg)
-        //{
-        //    var filteredChannelWords = Permissions.FilterCommands.FilteredWordsForChannel(usrMsg.Channel.Id, guild.Id) ?? new ConcurrentHashSet<string>();
-        //    var filteredServerWords = Permissions.FilterCommands.FilteredWordsForServer(guild.Id) ?? new ConcurrentHashSet<string>();
-        //    var wordsInMessage = usrMsg.Content.ToLowerInvariant().Split(' ');
-        //    if (filteredChannelWords.Count != 0 || filteredServerWords.Count != 0)
-        //    {
-        //        foreach (var word in wordsInMessage)
-        //        {
-        //            if (filteredChannelWords.Contains(word) ||
-        //                filteredServerWords.Contains(word))
-        //            {
-        //                try
-        //                {
-        //                    await usrMsg.DeleteAsync().ConfigureAwait(false);
-        //                }
-        //                catch (HttpException ex)
-        //                {
-        //                    _log.Warn("I do not have permission to filter words in channel with id " + usrMsg.Channel.Id, ex);
-        //                }
-        //                return true;
-        //            }
-        //        }
-        //    }
-        //    return false;
-        //}
-
-        private Task MessageReceivedHandler(SocketMessage msg)
         {
-            var _ = Task.Run(async () =>
+            await Task.Yield();
+            try
             {
-                try
+                if (msg.Author.IsBot || !_bot.Ready) //no bots, wait until bot connected and initialized
-                {
+                    return;
-                    if (msg.Author.IsBot || !_bot.Ready) //no bots, wait until bot connected and initialized
-                        return;
 
-                    var usrMsg = msg as SocketUserMessage;
+                if (!(msg is SocketUserMessage usrMsg))
-                    if (usrMsg == null) //has to be an user message, not system/other messages.
+                    return;
-                        return;
-
-                    if (usrMsg.Author.Id == 193022505026453504)
-                        return;
 #if !GLOBAL_NADEKO
-                    // track how many messagges each user is sending
+                // track how many messagges each user is sending
-                    UserMessagesSent.AddOrUpdate(usrMsg.Author.Id, 1, (key, old) => ++old);
+                UserMessagesSent.AddOrUpdate(usrMsg.Author.Id, 1, (key, old) => ++old);
 #endif
 
-                    var channel = msg.Channel as SocketTextChannel;
+                var channel = msg.Channel as ISocketMessageChannel;
-                    var guild = channel?.Guild;
+                var guild = (msg.Channel as SocketTextChannel)?.Guild;
 
-                    await TryRunCommand(guild, channel, usrMsg);
+                await TryRunCommand(guild, channel, usrMsg);
-                }
+            }
-                catch (Exception ex)
+            catch (Exception ex)
+            {
+                _log.Warn("Error in CommandHandler");
+                _log.Warn(ex);
+                if (ex.InnerException != null)
                 {
-                    _log.Warn("Error in CommandHandler");
+                    _log.Warn("Inner Exception of the error in CommandHandler");
-                    _log.Warn(ex);
+                    _log.Warn(ex.InnerException);
-                    if (ex.InnerException != null)
-                    {
-                        _log.Warn("Inner Exception of the error in CommandHandler");
-                        _log.Warn(ex.InnerException);
-                    }
                 }
-            });
+            }
-            return Task.CompletedTask;
         }
 
-        public async Task TryRunCommand(SocketGuild guild, ITextChannel channel, IUserMessage usrMsg)
+        public async Task TryRunCommand(SocketGuild guild, ISocketMessageChannel channel, IUserMessage usrMsg)
         {
             var execTime = Environment.TickCount;
 
             foreach (var svc in _services)
             {
-                if (svc is IBlockingExecutor _executor && 
+                if (svc is IEarlyBlocker blocker &&
-                    await _executor.TryExecute(_client, guild, usrMsg))
+                    await blocker.TryBlockEarly(_client, guild, usrMsg).ConfigureAwait(false))
+                {
+                    _log.Info("Blocked User: [{0}] Message: [{1}] Service: [{2}]", usrMsg.Author, usrMsg.Content, svc.GetType().Name);
+                    return;
+                }
+            }
+
+            var exec2 = Environment.TickCount - execTime;
+            
+
+            foreach (var svc in _services)
+            {
+                if (svc is IEarlyBlockingExecutor exec && 
+                    await exec.TryExecuteEarly(_client, guild, usrMsg).ConfigureAwait(false))
                 {
                     _log.Info("User [{0}] executed [{1}] in [{2}]", usrMsg.Author, usrMsg.Content, svc.GetType().Name);
                     return;
                 }
             }
 
-
-            ////todo word and invite filtering
-            //if (guild != null && guild.OwnerId != usrMsg.Author.Id)
-            //{
-            //    if (await InviteFiltered(guild, usrMsg).ConfigureAwait(false))
-            //        return;
-
-            //    if (await WordFiltered(guild, usrMsg).ConfigureAwait(false))
-            //        return;
-            //}
-
-            ////todo blacklisting
-            //if (IsBlacklisted(guild, usrMsg))
-            //    return;
-            
-            //var cleverBotRan = await Task.Run(() => TryRunCleverbot(usrMsg, guild)).ConfigureAwait(false);
-            //if (cleverBotRan)
-            //    return;
-
-            var exec2 = Environment.TickCount - execTime;
-
-            ////todo custom reactions
-            //// maybe this message is a custom reaction
-            //// todo log custom reaction executions. return struct with info
-            //var cr = await Task.Run(() => CustomReactions.TryGetCustomReaction(usrMsg)).ConfigureAwait(false);
-            //if (cr != null) //if it was, don't execute the command
-            //{
-            //    try
-            //    {
-            //        if (guild != null)
-            //        {
-            //            PermissionCache pc = Permissions.GetCache(guild.Id);
-
-            //            if (!pc.Permissions.CheckPermissions(usrMsg, cr.Trigger, "ActualCustomReactions",
-            //                out int index))
-            //            {
-            //                //todo print in guild actually
-            //                var returnMsg =
-            //                    $"Permission number #{index + 1} **{pc.Permissions[index].GetCommand(guild)}** is preventing this action.";
-            //                _log.Info(returnMsg);
-            //                return;
-            //            }
-            //        }
-            //        await cr.Send(usrMsg).ConfigureAwait(false);
-
-            //        if (cr.AutoDeleteTrigger)
-            //        {
-            //            try { await usrMsg.DeleteAsync().ConfigureAwait(false); } catch { }
-            //        }
-            //    }
-            //    catch (Exception ex)
-            //    {
-            //        _log.Warn("Sending CREmbed failed");
-            //        _log.Warn(ex);
-            //    }
-            //    return;
-            //}
-
             var exec3 = Environment.TickCount - execTime;
 
             string messageContent = usrMsg.Content;
@@ -436,13 +248,13 @@ namespace NadekoBot.Services
                 var exec = await Task.Run(() => ExecuteCommandAsync(new CommandContext(_client, usrMsg), NadekoBot.Prefix.Length, _services, MultiMatchHandling.Best)).ConfigureAwait(false);
                 execTime = Environment.TickCount - execTime;
 
-                ////todo permissions
+                ////todo commandHandler
-                //if (exec.Result.IsSuccess)
+                if (exec)
-                //{
+                {
                 //    await CommandExecuted(usrMsg, exec.CommandInfo).ConfigureAwait(false);
-                //    await LogSuccessfulExecution(usrMsg, exec, channel, exec2, exec3, execTime).ConfigureAwait(false);
+                    await LogSuccessfulExecution(usrMsg, exec, channel as ITextChannel, exec2, exec3, execTime).ConfigureAwait(false);
-                //    return;
+                    return;
-                //}
+                }
                 //else if (!exec.Result.IsSuccess && exec.Result.Error != CommandError.UnknownCommand)
                 //{
                 //    LogErroredExecution(usrMsg, exec, channel, exec2, exec3, execTime);
@@ -453,20 +265,20 @@ namespace NadekoBot.Services
                 //    }
                 //    return;
                 //}
+
+                if (exec)
+                    return;
+
             }
 
-            if (usrMsg.Channel is IPrivateChannel)
+            foreach (var svc in _services)
             {
-                // rofl, gotta do this to prevent dm help message being sent to 
+                if (svc is ILateExecutor exec)
-                // users who are voting on private polls (sending a number in a DM)
+                {
-                if (int.TryParse(usrMsg.Content, out int vote)) return;
+                    await exec.LateExecute(_client, guild, usrMsg).ConfigureAwait(false);
-
+                }
-                ////todo help
-                //await usrMsg.Channel.SendMessageAsync(Help.DMHelpString).ConfigureAwait(false);
-
-                ////todo selfcommands
-                //await SelfCommands.HandleDmForwarding(usrMsg, ownerChannels).ConfigureAwait(false);
             }
+
         }
 
         public Task<bool> ExecuteCommandAsync(CommandContext context, int argPos, IServiceProvider serviceProvider, MultiMatchHandling multiMatchHandling = MultiMatchHandling.Exception)
@@ -540,16 +352,16 @@ namespace NadekoBot.Services
                     //    }
                     //}
 
-                    ////////future
+                    //////future
-                    //////int price;
+                    ////int price;
-                    //////if (Permissions.CommandCostCommands.CommandCosts.TryGetValue(cmd.Aliases.First().Trim().ToLowerInvariant(), out price) && price > 0)
+                    ////if (Permissions.CommandCostCommands.CommandCosts.TryGetValue(cmd.Aliases.First().Trim().ToLowerInvariant(), out price) && price > 0)
-                    //////{
+                    ////{
-                    //////    var success = await _ch.RemoveCurrencyAsync(context.User.Id, $"Running {cmd.Name} command.", price).ConfigureAwait(false);
+                    ////    var success = await _cs.RemoveCurrencyAsync(context.User.Id, $"Running {cmd.Name} command.", price).ConfigureAwait(false);
-                    //////    if (!success)
+                    ////    if (!success)
-                    //////    {
+                    ////    {
-                    //////        return new ExecuteCommandResult(cmd, pc, SearchResult.FromError(CommandError.Exception, $"Insufficient funds. You need {price}{NadekoBot.BotConfig.CurrencySign} to run this command."));
+                    ////        return new ExecuteCommandResult(cmd, pc, SearchResult.FromError(CommandError.Exception, $"Insufficient funds. You need {price}{NadekoBot.BotConfig.CurrencySign} to run this command."));
-                    //////    }
+                    ////    }
-                    //////}
+                    ////}
                 }
 
                 ////todo perms
@@ -564,11 +376,18 @@ namespace NadekoBot.Services
                 // GlobalCommandsCooldown constant (miliseconds)
                 if (!UsersOnShortCooldown.Add(context.Message.Author.Id))
                     return false;
-                    //return SearchResult.FromError(CommandError.Exception, "You are on a global cooldown.");
+                //return SearchResult.FromError(CommandError.Exception, "You are on a global cooldown.");
 
-                ////todo cmdcds
+                var commandName = cmd.Aliases.First();
-                //if (CmdCdsCommands.HasCooldown(cmd, context.Guild, context.User))
+                foreach (var svc in _services)
-                //    return new ExecuteCommandResult(cmd, null, SearchResult.FromError(CommandError.Exception, "That command is on a cooldown for you."));
+                {
+                    if (svc is ILateBlocker exec &&
+                        await exec.TryBlockLate(_client, context.Message, context.Guild, context.Channel, context.User, cmd.Module.GetTopLevelModule().Name, commandName).ConfigureAwait(false))
+                    {
+                        _log.Info("Late blocking User [{0}] Command: [{1}] in [{2}]", context.User, commandName, svc.GetType().Name);
+                        return false;
+                    }
+                }
 
                 await commands[i].ExecuteAsync(context, parseResult, serviceProvider);
                 return true;

src/NadekoBot/Services/CurrencyHandler.cs

@@ -7,20 +7,20 @@ using NadekoBot.Services.Database;
 
 namespace NadekoBot.Services
 {
-    public class CurrencyHandler
+    public class CurrencyService
     {
         private readonly BotConfig _config;
-        private readonly DbHandler _db;
+        private readonly DbService _db;
 
-        public CurrencyHandler(BotConfig config, DbHandler db)
+        public CurrencyService(BotConfig config, DbService db)
         {
             _config = config;
             _db = db;
         }
 
-        public async Task<bool> RemoveCurrencyAsync(IUser author, string reason, long amount, bool sendMessage)
+        public async Task<bool> RemoveAsync(IUser author, string reason, long amount, bool sendMessage)
         {
-            var success = await RemoveCurrencyAsync(author.Id, reason, amount);
+            var success = await RemoveAsync(author.Id, reason, amount);
 
             if (success && sendMessage)
                 try { await author.SendErrorAsync($"`You lost:` {amount} {_config.CurrencySign}\n`Reason:` {reason}").ConfigureAwait(false); } catch { }
@@ -28,12 +28,11 @@ namespace NadekoBot.Services
             return success;
         }
 
-        public async Task<bool> RemoveCurrencyAsync(ulong authorId, string reason, long amount, IUnitOfWork uow = null)
+        public async Task<bool> RemoveAsync(ulong authorId, string reason, long amount, IUnitOfWork uow = null)
         {
             if (amount < 0)
                 throw new ArgumentNullException(nameof(amount));
             
-
             if (uow == null)
             {
                 using (uow = _db.UnitOfWork)
@@ -61,15 +60,15 @@ namespace NadekoBot.Services
             return true;
         }
 
-        public async Task AddCurrencyAsync(IUser author, string reason, long amount, bool sendMessage)
+        public async Task AddAsync(IUser author, string reason, long amount, bool sendMessage)
         {
-            await AddCurrencyAsync(author.Id, reason, amount);
+            await AddAsync(author.Id, reason, amount);
 
             if (sendMessage)
                 try { await author.SendConfirmAsync($"`You received:` {amount} {_config.CurrencySign}\n`Reason:` {reason}").ConfigureAwait(false); } catch { }
         }
 
-        public async Task AddCurrencyAsync(ulong receiverId, string reason, long amount, IUnitOfWork uow = null)
+        public async Task AddAsync(ulong receiverId, string reason, long amount, IUnitOfWork uow = null)
         {
             if (amount < 0)
                 throw new ArgumentNullException(nameof(amount));

src/NadekoBot/Services/CustomReactions/CustomReactionsService.cs

@@ -11,7 +11,7 @@ using System.Threading.Tasks;
 
 namespace NadekoBot.Services.CustomReactions
 {
-    public class CustomReactionsService : IBlockingExecutor
+    public class CustomReactionsService : IEarlyBlockingExecutor
     {
         public CustomReaction[] GlobalReactions = new CustomReaction[] { };
         public ConcurrentDictionary<ulong, CustomReaction[]> GuildReactions { get; } = new ConcurrentDictionary<ulong, CustomReaction[]>();
@@ -19,10 +19,10 @@ namespace NadekoBot.Services.CustomReactions
         public ConcurrentDictionary<string, uint> ReactionStats { get; } = new ConcurrentDictionary<string, uint>();
 
         private readonly Logger _log;
-        private readonly DbHandler _db;
+        private readonly DbService _db;
         private readonly DiscordShardedClient _client;
 
-        public CustomReactionsService(DbHandler db, DiscordShardedClient client)
+        public CustomReactionsService(DbService db, DiscordShardedClient client)
         {
             _log = LogManager.GetCurrentClassLogger();
             _db = db;
@@ -90,16 +90,15 @@ namespace NadekoBot.Services.CustomReactions
             return greaction;
         }
 
-        public async Task<bool> TryExecute(DiscordShardedClient client, IGuild guild, IUserMessage msg)
+        public async Task<bool> TryExecuteEarly(DiscordShardedClient client, IGuild guild, IUserMessage msg)
         {
-            //todo custom reactions
             // maybe this message is a custom reaction
-            // todo log custom reaction executions. return struct with info
             var cr = await Task.Run(() => TryGetCustomReaction(msg)).ConfigureAwait(false);
-            if (cr != null) //if it was, don't execute the command
+            if (cr != null)
             {
                 try
                 {
+                    //todo permissions
                     //if (guild != null)
                     //{
                     //    PermissionCache pc = Permissions.GetCache(guild.Id);
@@ -107,7 +106,6 @@ namespace NadekoBot.Services.CustomReactions
                     //    if (!pc.Permissions.CheckPermissions(usrMsg, cr.Trigger, "ActualCustomReactions",
                     //        out int index))
                     //    {
-                    //        //todo print in guild actually
                     //        var returnMsg =
                     //            $"Permission number #{index + 1} **{pc.Permissions[index].GetCommand(guild)}** is preventing this action.";
                     //        _log.Info(returnMsg);

src/NadekoBot/Services/Database/Models/BotConfig.cs

@@ -64,6 +64,7 @@ Nadeko Support Server: https://discord.gg/nadekobot";
         public List<StartupCommand> StartupCommands { get; set; }
         public HashSet<BlockedCmdOrMdl> BlockedCommands { get; set; }
         public HashSet<BlockedCmdOrMdl> BlockedModules { get; set; }
+        public int PermissionVersion { get; set; } = 1;
     }
 
     public class BlockedCmdOrMdl : DbEntity

src/NadekoBot/Services/Database/Repositories/Impl/GuildConfigRepository.cs

@@ -126,10 +126,6 @@ namespace NadekoBot.Services.Database.Repositories.Impl
                 .Where(gc => gc.RootPermission != null)
                 .Include(gc => gc.RootPermission);
 
-            //todo this is possibly a disaster for performance
-            //What i could do instead is count the number of permissions in the permission table for this guild
-            // and make a for loop with those.
-            // or just select permissions for this guild and manually chain them
             for (int i = 0; i < 60; i++)
             {
                 query = query.ThenInclude(gc => gc.Next);

src/NadekoBot/Services/DbHandler.cs

@@ -3,17 +3,15 @@ using NadekoBot.Services.Database;
 
 namespace NadekoBot.Services
 {
-    public class DbHandler
+    public class DbService
     {
         private readonly DbContextOptions options;
 
-        private string connectionString { get; }
+        private readonly string _connectionString;
 
-        static DbHandler() { }
+        public DbService(IBotCredentials creds)
-
-        public DbHandler(IBotCredentials creds)
         {
-            connectionString = creds.Db.ConnectionString;
+            _connectionString = creds.Db.ConnectionString;
             var optionsBuilder = new DbContextOptionsBuilder();
             optionsBuilder.UseSqlite(creds.Db.ConnectionString);
             options = optionsBuilder.Options;

src/NadekoBot/Services/Games/ChatterbotService.cs

@@ -0,0 +1,120 @@
+using Discord;
+using Discord.WebSocket;
+using NadekoBot.DataStructures.ModuleBehaviors;
+using NadekoBot.Extensions;
+using NadekoBot.Services.Database.Models;
+using NLog;
+using System;
+using System.Collections.Concurrent;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace NadekoBot.Services.Games
+{
+    public class ChatterBotService : IEarlyBlockingExecutor
+    {
+        private readonly DiscordShardedClient _client;
+        private readonly Logger _log;
+
+        public ConcurrentDictionary<ulong, Lazy<ChatterBotSession>> ChatterBotGuilds { get; }
+
+        public ChatterBotService(DiscordShardedClient client, IEnumerable<GuildConfig> gcs)
+        {
+            _client = client;
+            _log = LogManager.GetCurrentClassLogger();
+
+            ChatterBotGuilds = new ConcurrentDictionary<ulong, Lazy<ChatterBotSession>>(
+                    gcs.Where(gc => gc.CleverbotEnabled)
+                        .ToDictionary(gc => gc.GuildId, gc => new Lazy<ChatterBotSession>(() => new ChatterBotSession(gc.GuildId), true)));
+        }
+
+        public string PrepareMessage(IUserMessage msg, out ChatterBotSession cleverbot)
+        {
+            var channel = msg.Channel as ITextChannel;
+            cleverbot = null;
+
+            if (channel == null)
+                return null;
+
+            if (!ChatterBotGuilds.TryGetValue(channel.Guild.Id, out Lazy<ChatterBotSession> lazyCleverbot))
+                return null;
+
+            cleverbot = lazyCleverbot.Value;
+
+            var nadekoId = _client.CurrentUser.Id;
+            var normalMention = $"<@{nadekoId}> ";
+            var nickMention = $"<@!{nadekoId}> ";
+            string message;
+            if (msg.Content.StartsWith(normalMention))
+            {
+                message = msg.Content.Substring(normalMention.Length).Trim();
+            }
+            else if (msg.Content.StartsWith(nickMention))
+            {
+                message = msg.Content.Substring(nickMention.Length).Trim();
+            }
+            else
+            {
+                return null;
+            }
+
+            return message;
+        }
+
+        public async Task<bool> TryAsk(ChatterBotSession cleverbot, ITextChannel channel, string message)
+        {
+            await channel.TriggerTypingAsync().ConfigureAwait(false);
+
+            var response = await cleverbot.Think(message).ConfigureAwait(false);
+            try
+            {
+                await channel.SendConfirmAsync(response.SanitizeMentions()).ConfigureAwait(false);
+            }
+            catch
+            {
+                await channel.SendConfirmAsync(response.SanitizeMentions()).ConfigureAwait(false); // try twice :\
+            }
+            return true;
+        }
+
+        public async Task<bool> TryExecuteEarly(DiscordShardedClient client, IGuild guild, IUserMessage usrMsg)
+        {
+            if (guild == null)
+                return false;
+            try
+            {
+                var message = PrepareMessage(usrMsg, out ChatterBotSession cbs);
+                if (message == null || cbs == null)
+                    return false;
+
+                //todo permissions
+                //PermissionCache pc = Permissions.GetCache(guild.Id);
+                //if (!pc.Permissions.CheckPermissions(usrMsg,
+                //    NadekoBot.Prefix + "cleverbot",
+                //    "Games".ToLowerInvariant(),
+                //    out int index))
+                //{
+                //    //todo print in guild actually
+                //    var returnMsg =
+                //        $"Permission number #{index + 1} **{pc.Permissions[index].GetCommand(guild)}** is preventing this action.";
+                //    _log.Info(returnMsg);
+                //    return true;
+                //}
+
+                var cleverbotExecuted = await TryAsk(cbs, (ITextChannel)usrMsg.Channel, message).ConfigureAwait(false);
+                if (cleverbotExecuted)
+                {
+                    _log.Info($@"CleverBot Executed
+Server: {guild.Name} [{guild.Id}]
+Channel: {usrMsg.Channel?.Name} [{usrMsg.Channel?.Id}]
+UserId: {usrMsg.Author} [{usrMsg.Author.Id}]
+Message: {usrMsg.Content}");
+                    return true;
+                }
+            }
+            catch (Exception ex) { _log.Warn(ex, "Error in cleverbot"); }
+            return false;
+        }
+    }
+}

src/NadekoBot/Services/Games/GamesService.cs

@@ -28,8 +28,6 @@ namespace NadekoBot.Services.Games
         private readonly IImagesService _images;
         private readonly Logger _log;
 
-        public ConcurrentDictionary<ulong, Lazy<ChatterBotSession>> CleverbotGuilds { get; }
-
         public readonly string TypingArticlesPath = "data/typing_articles2.json";
         public List<TypingArticle> TypingArticles { get; } = new List<TypingArticle>();
 
@@ -52,11 +50,6 @@ namespace NadekoBot.Services.Games
 
             }, null, TimeSpan.FromDays(1), TimeSpan.FromDays(1));
 
-            //cleverbot
-            CleverbotGuilds = new ConcurrentDictionary<ulong, Lazy<ChatterBotSession>>(
-                    gcs.Where(gc => gc.CleverbotEnabled)
-                        .ToDictionary(gc => gc.GuildId, gc => new Lazy<ChatterBotSession>(() => new ChatterBotSession(gc.GuildId), true)));
-
             //plantpick
             client.MessageReceived += PotentialFlowerGeneration;
             GenerationChannels = new ConcurrentHashSet<ulong>(gcs
@@ -73,55 +66,15 @@ namespace NadekoBot.Services.Games
             }
         }
 
-
+        public void AddTypingArticle(IUser user, string text)
-        public string PrepareMessage(IUserMessage msg, out ChatterBotSession cleverbot)
         {
-            var channel = msg.Channel as ITextChannel;
+            TypingArticles.Add(new TypingArticle
-            cleverbot = null;
-
-            if (channel == null)
-                return null;
-
-            Lazy<ChatterBotSession> lazyCleverbot;
-            if (!CleverbotGuilds.TryGetValue(channel.Guild.Id, out lazyCleverbot))
-                return null;
-
-            cleverbot = lazyCleverbot.Value;
-
-            var nadekoId = _client.CurrentUser.Id;
-            var normalMention = $"<@{nadekoId}> ";
-            var nickMention = $"<@!{nadekoId}> ";
-            string message;
-            if (msg.Content.StartsWith(normalMention))
             {
-                message = msg.Content.Substring(normalMention.Length).Trim();
+                Title = $"Text added on {DateTime.UtcNow} by {user}",
-            }
+                Text = text.SanitizeMentions(),
-            else if (msg.Content.StartsWith(nickMention))
+            });
-            {
-                message = msg.Content.Substring(nickMention.Length).Trim();
-            }
-            else
-            {
-                return null;
-            }
 
-            return message;
+            File.WriteAllText(TypingArticlesPath, JsonConvert.SerializeObject(TypingArticles));
-        }
-
-        public async Task<bool> TryAsk(ChatterBotSession cleverbot, ITextChannel channel, string message)
-        {
-            await channel.TriggerTypingAsync().ConfigureAwait(false);
-
-            var response = await cleverbot.Think(message).ConfigureAwait(false);
-            try
-            {
-                await channel.SendConfirmAsync(response.SanitizeMentions()).ConfigureAwait(false);
-            }
-            catch
-            {
-                await channel.SendConfirmAsync(response.SanitizeMentions()).ConfigureAwait(false); // try twice :\
-            }
-            return true;
         }
 
         public ConcurrentHashSet<ulong> GenerationChannels { get; }
@@ -130,7 +83,9 @@ namespace NadekoBot.Services.Games
         //channelId/last generation
         public ConcurrentDictionary<ulong, DateTime> LastGenerations { get; } = new ConcurrentDictionary<ulong, DateTime>();
 
-        public KeyValuePair<string, ImmutableArray<byte>> GetRandomCurrencyImage()
+        private ConcurrentDictionary<ulong, object> _locks { get; } = new ConcurrentDictionary<ulong, object>();
+        
+        public (string Name, ImmutableArray<byte> Data) GetRandomCurrencyImage()
         {
             var rng = new NadekoRandom();
             return _images.Currency[rng.Next(0, _images.Currency.Length)];
@@ -139,68 +94,61 @@ namespace NadekoBot.Services.Games
         private string GetText(ITextChannel ch, string key, params object[] rep)
             => _strings.GetText(key, ch.GuildId, "Games".ToLowerInvariant(), rep);
 
-        private Task PotentialFlowerGeneration(SocketMessage imsg)
+        private async Task PotentialFlowerGeneration(SocketMessage imsg)
         {
             var msg = imsg as SocketUserMessage;
             if (msg == null || msg.Author.IsBot)
-                return Task.CompletedTask;
+                return;
 
             var channel = imsg.Channel as ITextChannel;
             if (channel == null)
-                return Task.CompletedTask;
+                return;
 
             if (!GenerationChannels.Contains(channel.Id))
-                return Task.CompletedTask;
+                return;
             
-            var _ = Task.Run(async () =>
+            try
             {
-                try
+                var lastGeneration = LastGenerations.GetOrAdd(channel.Id, DateTime.MinValue);
+                var rng = new NadekoRandom();
+
+                if (DateTime.Now - TimeSpan.FromSeconds(_bc.CurrencyGenerationCooldown) < lastGeneration) //recently generated in this channel, don't generate again
+                    return;
+
+                var num = rng.Next(1, 101) + _bc.CurrencyGenerationChance * 100;
+                if (num > 100 && LastGenerations.TryUpdate(channel.Id, DateTime.Now, lastGeneration))
                 {
-                    var lastGeneration = LastGenerations.GetOrAdd(channel.Id, DateTime.MinValue);
+                    var dropAmount = _bc.CurrencyDropAmount;
-                    var rng = new NadekoRandom();
 
-                    //todo i'm stupid :rofl: wtg kwoth. real async programming :100: :ok_hand: :100: :100: :thumbsup:
+                    if (dropAmount > 0)
-                    if (DateTime.Now - TimeSpan.FromSeconds(_bc.CurrencyGenerationCooldown) < lastGeneration) //recently generated in this channel, don't generate again
-                        return;
-
-                    var num = rng.Next(1, 101) + _bc.CurrencyGenerationChance * 100;
-
-                    if (num > 100)
                     {
-                        LastGenerations.AddOrUpdate(channel.Id, DateTime.Now, (id, old) => DateTime.Now);
+                        var msgs = new IUserMessage[dropAmount];
-
+                        var prefix = NadekoBot.Prefix;
-                        var dropAmount = _bc.CurrencyDropAmount;
+                        var toSend = dropAmount == 1
-
+                            ? GetText(channel, "curgen_sn", _bc.CurrencySign)
-                        if (dropAmount > 0)
+                                + " " + GetText(channel, "pick_sn", prefix)
+                            : GetText(channel, "curgen_pl", dropAmount, _bc.CurrencySign)
+                                + " " + GetText(channel, "pick_pl", prefix);
+                        var file = GetRandomCurrencyImage();
+                        using (var fileStream = file.Data.ToStream())
                         {
-                            var msgs = new IUserMessage[dropAmount];
+                            var sent = await channel.SendFileAsync(
-                            var prefix = NadekoBot.Prefix;
+                                fileStream,
-                            var toSend = dropAmount == 1
+                                file.Name,
-                                ? GetText(channel, "curgen_sn", _bc.CurrencySign)
+                                toSend).ConfigureAwait(false);
-                                    + " " + GetText(channel, "pick_sn", prefix)
-                                : GetText(channel, "curgen_pl", dropAmount, _bc.CurrencySign)
-                                    + " " + GetText(channel, "pick_pl", prefix);
-                            var file = GetRandomCurrencyImage();
-                            using (var fileStream = file.Value.ToStream())
-                            {
-                                var sent = await channel.SendFileAsync(
-                                    fileStream,
-                                    file.Key,
-                                    toSend).ConfigureAwait(false);
 
-                                msgs[0] = sent;
+                            msgs[0] = sent;
-                            }
-
-                            PlantedFlowers.AddOrUpdate(channel.Id, msgs.ToList(), (id, old) => { old.AddRange(msgs); return old; });
                         }
+
+                        PlantedFlowers.AddOrUpdate(channel.Id, msgs.ToList(), (id, old) => { old.AddRange(msgs); return old; });
                     }
                 }
-                catch (Exception ex)
+            }
-                {
+            catch (Exception ex)
-                    LogManager.GetCurrentClassLogger().Warn(ex);
+            {
-                }
+                LogManager.GetCurrentClassLogger().Warn(ex);
-            });
+            }
-            return Task.CompletedTask;
+            return;
         }
     }
 }

src/NadekoBot/Services/Games/Poll.cs

@@ -0,0 +1,158 @@
+using Discord;
+using Discord.WebSocket;
+using NadekoBot.Extensions;
+using System;
+using System.Collections.Concurrent;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace NadekoBot.Services.Games
+{
+    //todo 75 rewrite
+    public class Poll
+    {
+        private readonly IUserMessage _originalMessage;
+        private readonly IGuild _guild;
+        private string[] answers { get; }
+        private readonly ConcurrentDictionary<ulong, int> _participants = new ConcurrentDictionary<ulong, int>();
+        private readonly string _question;
+        private readonly DiscordShardedClient _client;
+        private readonly NadekoStrings _strings;
+        private bool running = false;
+        private HashSet<ulong> _guildUsers;
+
+        public event Action<ulong> OnEnded = delegate { };
+
+        public bool IsPublic { get; }
+
+        public Poll(DiscordShardedClient client, NadekoStrings strings, IUserMessage umsg, string question, IEnumerable<string> enumerable, bool isPublic = false)
+        {
+            _client = client;
+            _strings = strings;
+
+            _originalMessage = umsg;
+            _guild = ((ITextChannel)umsg.Channel).Guild;
+            _question = question;
+            answers = enumerable as string[] ?? enumerable.ToArray();
+            IsPublic = isPublic;
+        }
+
+        public EmbedBuilder GetStats(string title)
+        {
+            var results = _participants.GroupBy(kvp => kvp.Value)
+                                .ToDictionary(x => x.Key, x => x.Sum(kvp => 1))
+                                .OrderByDescending(kvp => kvp.Value)
+                                .ToArray();
+
+            var eb = new EmbedBuilder().WithTitle(title);
+
+            var sb = new StringBuilder()
+                .AppendLine(Format.Bold(_question))
+                .AppendLine();
+
+            var totalVotesCast = 0;
+            if (results.Length == 0)
+            {
+                sb.AppendLine(GetText("no_votes_cast"));
+            }
+            else
+            {
+                for (int i = 0; i < results.Length; i++)
+                {
+                    var result = results[i];
+                    sb.AppendLine(GetText("poll_result",
+                        result.Key,
+                        Format.Bold(answers[result.Key - 1]),
+                        Format.Bold(result.Value.ToString())));
+                    totalVotesCast += result.Value;
+                }
+            }
+
+
+            eb.WithDescription(sb.ToString())
+              .WithFooter(efb => efb.WithText(GetText("x_votes_cast", totalVotesCast)));
+
+            return eb;
+        }
+
+        public async Task StartPoll()
+        {
+            var msgToSend = GetText("poll_created", Format.Bold(_originalMessage.Author.Username)) + "\n\n" + Format.Bold(_question) + "\n";
+            var num = 1;
+            msgToSend = answers.Aggregate(msgToSend, (current, answ) => current + $"`{num++}.` **{answ}**\n");
+            if (!IsPublic)
+                msgToSend += "\n" + Format.Bold(GetText("poll_vote_private"));
+            else
+                msgToSend += "\n" + Format.Bold(GetText("poll_vote_public"));
+
+            if (!IsPublic)
+                _guildUsers = new HashSet<ulong>((await _guild.GetUsersAsync().ConfigureAwait(false)).Select(x => x.Id));
+
+            await _originalMessage.Channel.SendConfirmAsync(msgToSend).ConfigureAwait(false);
+            running = true;
+        }
+
+        public async Task StopPoll()
+        {
+            running = false;
+            OnEnded(_guild.Id);
+            await _originalMessage.Channel.EmbedAsync(GetStats("POLL CLOSED")).ConfigureAwait(false);
+        }
+
+        public async Task<bool> TryVote(IUserMessage msg)
+        {
+            // has to be a user message
+            if (msg == null || msg.Author.IsBot || !running)
+                return false;
+
+            // has to be an integer
+            if (!int.TryParse(msg.Content, out int vote))
+                return false;
+            if (vote < 1 || vote > answers.Length)
+                return false;
+
+            IMessageChannel ch;
+            if (IsPublic)
+            {
+                //if public, channel must be the same the poll started in
+                if (_originalMessage.Channel.Id != msg.Channel.Id)
+                    return false;
+                ch = msg.Channel;
+            }
+            else
+            {
+                //if private, channel must be dm channel
+                if ((ch = msg.Channel as IDMChannel) == null)
+                    return false;
+
+                // user must be a member of the guild this poll is in
+                if (!_guildUsers.Contains(msg.Author.Id))
+                    return false;
+            }
+
+            //user can vote only once
+            if (_participants.TryAdd(msg.Author.Id, vote))
+            {
+                if (!IsPublic)
+                {
+                    await ch.SendConfirmAsync(GetText("thanks_for_voting", Format.Bold(msg.Author.Username))).ConfigureAwait(false);
+                }
+                else
+                {
+                    var toDelete = await ch.SendConfirmAsync(GetText("poll_voted", Format.Bold(msg.Author.ToString()))).ConfigureAwait(false);
+                    toDelete.DeleteAfter(5);
+                }
+                return true;
+            }
+            return false;
+        }
+
+        private string GetText(string key, params object[] replacements)
+            => _strings.GetText(key,
+                _guild.Id,
+                "Games".ToLowerInvariant(),
+                replacements);
+    }
+}

src/NadekoBot/Services/Games/PollService.cs

@@ -0,0 +1,78 @@
+using NadekoBot.DataStructures.ModuleBehaviors;
+using System;
+using System.Collections.Concurrent;
+using System.Linq;
+using System.Threading.Tasks;
+using Discord;
+using Discord.WebSocket;
+using NLog;
+
+namespace NadekoBot.Services.Games
+{
+    public class PollService : IEarlyBlockingExecutor
+    {
+        public ConcurrentDictionary<ulong, Poll> ActivePolls = new ConcurrentDictionary<ulong, Poll>();
+        private readonly Logger _log;
+        private readonly DiscordShardedClient _client;
+        private readonly NadekoStrings _strings;
+
+        public PollService(DiscordShardedClient client, NadekoStrings strings)
+        {
+            _log = LogManager.GetCurrentClassLogger();
+            _client = client;
+            _strings = strings;
+        }
+
+        public async Task<bool?> StartPoll(ITextChannel channel, IUserMessage msg, string arg, bool isPublic = false)
+        {
+            if (string.IsNullOrWhiteSpace(arg) || !arg.Contains(";"))
+                return null;
+            var data = arg.Split(';');
+            if (data.Length < 3)
+                return null;
+
+            var poll = new Poll(_client, _strings, msg, data[0], data.Skip(1), isPublic: isPublic);
+            if (ActivePolls.TryAdd(channel.Guild.Id, poll))
+            {
+                poll.OnEnded += (gid) =>
+                {
+                    ActivePolls.TryRemove(gid, out _);
+                };
+
+                await poll.StartPoll().ConfigureAwait(false);
+                return true;
+            }
+            return false;
+        }
+
+        public async Task<bool> TryExecuteEarly(DiscordShardedClient client, IGuild guild, IUserMessage msg)
+        {
+            if (guild == null)
+            {
+                foreach (var kvp in ActivePolls)
+                {
+                    if (!kvp.Value.IsPublic)
+                    {
+                        if (await kvp.Value.TryVote(msg).ConfigureAwait(false))
+                            return true;                        
+                    }
+                }
+                return false;
+            }
+
+            if (!ActivePolls.TryGetValue(guild.Id, out var poll))
+                return false;
+
+            try
+            {
+                return await poll.TryVote(msg).ConfigureAwait(false);
+            }
+            catch (Exception ex)
+            {
+                _log.Warn(ex);
+            }
+
+            return false;
+        }
+    }
+}

src/NadekoBot/Services/GreetSettingsService.cs

@@ -14,13 +14,13 @@ namespace NadekoBot.Services
 {
     public class GreetSettingsService
     {
-        private readonly DbHandler _db;
+        private readonly DbService _db;
 
         public readonly ConcurrentDictionary<ulong, GreetSettings> GuildConfigsCache;
         private readonly DiscordShardedClient _client;
         private readonly Logger _log;
 
-        public GreetSettingsService(DiscordShardedClient client, IEnumerable<GuildConfig> guildConfigs, DbHandler db)
+        public GreetSettingsService(DiscordShardedClient client, IEnumerable<GuildConfig> guildConfigs, DbService db)
         {
             _db = db;
             _client = client;

src/NadekoBot/Services/Help/HelpService.cs

@@ -0,0 +1,32 @@
+using NadekoBot.DataStructures.ModuleBehaviors;
+using NadekoBot.Services.Database.Models;
+using System.Threading.Tasks;
+using Discord;
+using Discord.WebSocket;
+using System;
+
+namespace NadekoBot.Services.Help
+{
+    public class HelpService : ILateExecutor
+    {
+        private readonly BotConfig _bc;
+
+        public HelpService(BotConfig bc)
+        {
+            _bc = bc;
+        }
+
+        public async Task LateExecute(DiscordShardedClient client, IGuild guild, IUserMessage msg)
+        {
+            try
+            {
+                if(guild == null)
+                    await msg.Channel.SendMessageAsync(_bc.DMHelpString).ConfigureAwait(false);
+            }
+            catch (Exception)
+            {
+                //ignore
+            }
+        }
+    }
+}

src/NadekoBot/Services/IImagesService.cs

@@ -1,5 +1,4 @@
 using System;
-using System.Collections.Generic;
 using System.Collections.Immutable;
 
 namespace NadekoBot.Services
@@ -9,8 +8,8 @@ namespace NadekoBot.Services
         ImmutableArray<byte> Heads { get; }
         ImmutableArray<byte> Tails { get; }
 
-        ImmutableArray<KeyValuePair<string, ImmutableArray<byte>>> Currency { get; }
+        ImmutableArray<(string, ImmutableArray<byte>)> Currency { get; }
-        ImmutableArray<KeyValuePair<string, ImmutableArray<byte>>> Dice { get; }
+        ImmutableArray<ImmutableArray<byte>> Dice { get; }
 
         ImmutableArray<byte> SlotBackground { get; }
         ImmutableArray<ImmutableArray<byte>> SlotEmojis { get; }

src/NadekoBot/Services/Impl/GoogleApiService.cs

@@ -162,7 +162,7 @@ namespace NadekoBot.Services.Impl
 
             return toReturn;
         }
-        //todo AsyncEnumerable
+
         public async Task<IReadOnlyDictionary<string, TimeSpan>> GetVideoDurationsAsync(IEnumerable<string> videoIds)
         {
             var videoIdsList = videoIds as List<string> ?? videoIds.ToList();

src/NadekoBot/Services/Impl/ImagesService.cs

@@ -1,6 +1,5 @@
 using NLog;
 using System;
-using System.Collections.Generic;
 using System.Collections.Immutable;
 using System.Diagnostics;
 using System.IO;
@@ -31,10 +30,9 @@ namespace NadekoBot.Services.Impl
         public ImmutableArray<byte> Heads { get; private set; }
         public ImmutableArray<byte> Tails { get; private set; }
         
-        //todo C#7 tuples
+        public ImmutableArray<(string, ImmutableArray<byte>)> Currency { get; private set; }
-        public ImmutableArray<KeyValuePair<string, ImmutableArray<byte>>> Currency { get; private set; }
 
-        public ImmutableArray<KeyValuePair<string, ImmutableArray<byte>>> Dice { get; private set; }
+        public ImmutableArray<ImmutableArray<byte>> Dice { get; private set; }
 
         public ImmutableArray<byte> SlotBackground { get; private set; }
         public ImmutableArray<ImmutableArray<byte>> SlotNumbers { get; private set; }
@@ -59,15 +57,12 @@ namespace NadekoBot.Services.Impl
                 Tails = File.ReadAllBytes(_tailsPath).ToImmutableArray();
 
                 Currency = Directory.GetFiles(_currencyImagesPath)
-                    .Select(x => new KeyValuePair<string, ImmutableArray<byte>>(
+                    .Select(x => (Path.GetFileName(x), File.ReadAllBytes(x).ToImmutableArray()))
-                                        Path.GetFileName(x), 
-                                        File.ReadAllBytes(x).ToImmutableArray()))
                     .ToImmutableArray();
 
                 Dice = Directory.GetFiles(_diceImagesPath)
                                 .OrderBy(x => int.Parse(Path.GetFileNameWithoutExtension(x)))
-                                .Select(x => new KeyValuePair<string, ImmutableArray<byte>>(x, 
+                                .Select(x => File.ReadAllBytes(x).ToImmutableArray())
-                                                    File.ReadAllBytes(x).ToImmutableArray()))
                                 .ToImmutableArray();
                 
                 SlotBackground = File.ReadAllBytes(_slotBackgroundPath).ToImmutableArray();

src/NadekoBot/Services/Impl/Localization.cs

@@ -10,13 +10,13 @@ namespace NadekoBot.Services
     public class Localization : ILocalization
     {
         private readonly Logger _log;
-        private readonly DbHandler _db;
+        private readonly DbService _db;
 
         public ConcurrentDictionary<ulong, CultureInfo> GuildCultureInfos { get; }
         public CultureInfo DefaultCultureInfo { get; private set; } = CultureInfo.CurrentCulture;
 
         private Localization() { }
-        public Localization(string defaultCulture, IDictionary<ulong, string> cultureInfoNames, DbHandler db)
+        public Localization(string defaultCulture, IDictionary<ulong, string> cultureInfoNames, DbService db)
         {
             _log = LogManager.GetCurrentClassLogger();
             _db = db;

src/NadekoBot/Services/Impl/NadekoStrings.cs

@@ -61,7 +61,7 @@ namespace NadekoBot.Services
         }
 
         public string GetText(string key, ulong guildId, string lowerModuleTypeName, params object[] replacements) =>
-            GetText(key, _localization.GetCultureInfo(guildId), lowerModuleTypeName);
+            GetText(key, _localization.GetCultureInfo(guildId), lowerModuleTypeName, replacements);
 
         public string GetText(string key, CultureInfo cultureInfo, string lowerModuleTypeName)
         {

src/NadekoBot/Services/Music/MusicService.cs

@@ -10,6 +10,7 @@ using NLog;
 using System.IO;
 using VideoLibrary;
 using System.Net.Http;
+using System.Collections.Generic;
 
 namespace NadekoBot.Services.Music
 {
@@ -20,16 +21,17 @@ namespace NadekoBot.Services.Music
         private readonly IGoogleApiService _google;
         private readonly NadekoStrings _strings;
         private readonly ILocalization _localization;
-        private readonly DbHandler _db;
+        private readonly DbService _db;
         private readonly Logger _log;
         private readonly SoundCloudApiService _sc;
         private readonly IBotCredentials _creds;
+        private readonly ConcurrentDictionary<ulong, float> _defaultVolumes;
 
         public ConcurrentDictionary<ulong, MusicPlayer> MusicPlayers { get; } = new ConcurrentDictionary<ulong, MusicPlayer>();
 
         public MusicService(IGoogleApiService google, 
-            NadekoStrings strings, ILocalization localization, DbHandler db, 
+            NadekoStrings strings, ILocalization localization, DbService db, 
-            SoundCloudApiService sc, IBotCredentials creds)
+            SoundCloudApiService sc, IBotCredentials creds, IEnumerable<GuildConfig> gcs)
         {
             _google = google;
             _strings = strings;
@@ -41,6 +43,8 @@ namespace NadekoBot.Services.Music
 
             try { Directory.Delete(MusicDataPath, true); } catch { }
 
+            _defaultVolumes = new ConcurrentDictionary<ulong, float>(gcs.ToDictionary(x => x.GuildId, x => x.DefaultMusicVolume));
+
             Directory.CreateDirectory(MusicDataPath);
         }
 
@@ -57,12 +61,14 @@ namespace NadekoBot.Services.Music
 
             return MusicPlayers.GetOrAdd(guildId, server =>
             {
-                float vol;// SpecificConfigurations.Default.Of(server.Id).DefaultMusicVolume;
+                var vol = _defaultVolumes.GetOrAdd(guildId, (id) =>
-                using (var uow = _db.UnitOfWork)
                 {
-                    //todo move to cached variable
+                    using (var uow = _db.UnitOfWork)
-                    vol = uow.GuildConfigs.For(guildId, set => set).DefaultMusicVolume;
+                    {
-                }
+                        return uow.GuildConfigs.For(guildId, set => set).DefaultMusicVolume;
+                    }
+                });
+                
                 var mp = new MusicPlayer(voiceCh, textCh, vol, _google);
                 IUserMessage playingMessage = null;
                 IUserMessage lastFinishedMessage = null;

src/NadekoBot/Services/Permissions/BlacklistService.cs

@@ -1,14 +1,18 @@
-using NadekoBot.Services.Database.Models;
+using NadekoBot.DataStructures.ModuleBehaviors;
+using NadekoBot.Services.Database.Models;
 using System.Collections.Concurrent;
 using System.Linq;
+using Discord;
+using Discord.WebSocket;
+using System.Threading.Tasks;
 
 namespace NadekoBot.Services.Permissions
 {
-    public class BlacklistService
+    public class BlacklistService : IEarlyBlocker
     {
-        public ConcurrentHashSet<ulong> BlacklistedUsers { get; set; }
+        public ConcurrentHashSet<ulong> BlacklistedUsers { get; }
-        public ConcurrentHashSet<ulong> BlacklistedGuilds { get; set; }
+        public ConcurrentHashSet<ulong> BlacklistedGuilds { get; }
-        public ConcurrentHashSet<ulong> BlacklistedChannels { get; set; }
+        public ConcurrentHashSet<ulong> BlacklistedChannels { get; }
 
         public BlacklistService(BotConfig bc)
         {
@@ -17,5 +21,10 @@ namespace NadekoBot.Services.Permissions
             BlacklistedGuilds = new ConcurrentHashSet<ulong>(blacklist.Where(bi => bi.Type == BlacklistType.Server).Select(c => c.ItemId));
             BlacklistedChannels = new ConcurrentHashSet<ulong>(blacklist.Where(bi => bi.Type == BlacklistType.Channel).Select(c => c.ItemId));
         }
+
+        public Task<bool> TryBlockEarly(DiscordShardedClient client, IGuild guild, IUserMessage usrMsg)
+            => Task.FromResult((guild != null && BlacklistedGuilds.Contains(guild.Id)) ||
+            BlacklistedChannels.Contains(usrMsg.Channel.Id) ||
+            BlacklistedUsers.Contains(usrMsg.Author.Id));
     }
 }

src/NadekoBot/Services/Permissions/CmdCdService.cs

@@ -1,11 +1,15 @@
-using NadekoBot.Services.Database.Models;
+using NadekoBot.DataStructures.ModuleBehaviors;
+using NadekoBot.Services.Database.Models;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.Linq;
+using Discord;
+using Discord.WebSocket;
+using System.Threading.Tasks;
 
 namespace NadekoBot.Services.Permissions
 {
-    public class CmdCdService
+    public class CmdCdService : ILateBlocker
     {
         public ConcurrentDictionary<ulong, ConcurrentHashSet<CommandCooldown>> CommandCooldowns { get; }
         public ConcurrentDictionary<ulong, ConcurrentHashSet<ActiveCooldown>> ActiveCooldowns { get; } = new ConcurrentDictionary<ulong, ConcurrentHashSet<ActiveCooldown>>();
@@ -16,6 +20,41 @@ namespace NadekoBot.Services.Permissions
                 gcs.ToDictionary(k => k.GuildId, 
                                  v => new ConcurrentHashSet<CommandCooldown>(v.CommandCooldowns)));
         }
+
+        public Task<bool> TryBlockLate(DiscordShardedClient client, IUserMessage msg, IGuild guild, 
+            IMessageChannel channel, IUser user, string moduleName, string commandName)
+        {
+            if (guild == null)
+                return Task.FromResult(false);
+            var cmdcds = CommandCooldowns.GetOrAdd(guild.Id, new ConcurrentHashSet<CommandCooldown>());
+            CommandCooldown cdRule;
+            if ((cdRule = cmdcds.FirstOrDefault(cc => cc.CommandName == commandName.ToLowerInvariant())) != null)
+            {
+                var activeCdsForGuild = ActiveCooldowns.GetOrAdd(guild.Id, new ConcurrentHashSet<ActiveCooldown>());
+                if (activeCdsForGuild.FirstOrDefault(ac => ac.UserId == user.Id && ac.Command == commandName.ToLowerInvariant()) != null)
+                {
+                    return Task.FromResult(true);
+                }
+                activeCdsForGuild.Add(new ActiveCooldown()
+                {
+                    UserId = user.Id,
+                    Command = commandName.ToLowerInvariant(),
+                });
+                var _ = Task.Run(async () =>
+                {
+                    try
+                    {
+                        await Task.Delay(cdRule.Seconds * 1000);
+                        activeCdsForGuild.RemoveWhere(ac => ac.Command == commandName.ToLowerInvariant() && ac.UserId == user.Id);
+                    }
+                    catch
+                    {
+                        // ignored
+                    }
+                });
+            }
+            return Task.FromResult(false);
+        }
     }
 
     public class ActiveCooldown

src/NadekoBot/Services/Permissions/FilterService.cs

@@ -1,12 +1,21 @@
-using NadekoBot.Services.Database.Models;
+using NadekoBot.DataStructures.ModuleBehaviors;
+using NadekoBot.Services.Database.Models;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.Linq;
+using Discord;
+using Discord.WebSocket;
+using System.Threading.Tasks;
+using NadekoBot.Extensions;
+using Discord.Net;
+using NLog;
 
 namespace NadekoBot.Services.Permissions
 {
-    public class FilterService
+    public class FilterService : IEarlyBlocker
     {
+        private readonly Logger _log;
+
         public ConcurrentHashSet<ulong> InviteFilteringChannels { get; }
         public ConcurrentHashSet<ulong> InviteFilteringServers { get; }
 
@@ -34,6 +43,8 @@ namespace NadekoBot.Services.Permissions
 
         public FilterService(IEnumerable<GuildConfig> gcs)
         {
+            _log = LogManager.GetCurrentClassLogger();
+
             InviteFilteringServers = new ConcurrentHashSet<ulong>(gcs.Where(gc => gc.FilterInvites).Select(gc => gc.GuildId));
             InviteFilteringChannels = new ConcurrentHashSet<ulong>(gcs.SelectMany(gc => gc.FilterInvitesChannelIds.Select(fci => fci.ChannelId)));
 
@@ -46,5 +57,61 @@ namespace NadekoBot.Services.Permissions
 
             WordFilteringChannels = new ConcurrentHashSet<ulong>(gcs.SelectMany(gc => gc.FilterWordsChannelIds.Select(fwci => fwci.ChannelId)));
         }
+        //todo ignore guild admin
+        public async Task<bool> TryBlockEarly(DiscordShardedClient client, IGuild guild, IUserMessage msg)
+            => await FilterInvites(client, guild, msg) || await FilterWords(client, guild, msg);
+
+        public async Task<bool> FilterWords(DiscordShardedClient client, IGuild guild, IUserMessage usrMsg)
+        {
+            if (guild is null)
+                return false;
+
+            var filteredChannelWords = FilteredWordsForChannel(usrMsg.Channel.Id, guild.Id) ?? new ConcurrentHashSet<string>();
+            var filteredServerWords = FilteredWordsForServer(guild.Id) ?? new ConcurrentHashSet<string>();
+            var wordsInMessage = usrMsg.Content.ToLowerInvariant().Split(' ');
+            if (filteredChannelWords.Count != 0 || filteredServerWords.Count != 0)
+            {
+                foreach (var word in wordsInMessage)
+                {
+                    if (filteredChannelWords.Contains(word) ||
+                        filteredServerWords.Contains(word))
+                    {
+                        try
+                        {
+                            await usrMsg.DeleteAsync().ConfigureAwait(false);
+                        }
+                        catch (HttpException ex)
+                        {
+                            _log.Warn("I do not have permission to filter words in channel with id " + usrMsg.Channel.Id, ex);
+                        }
+                        return true;
+                    }
+                }
+            }
+            return false;
+        }
+
+        public async Task<bool> FilterInvites(DiscordShardedClient client, IGuild guild, IUserMessage usrMsg)
+        {
+            if (guild is null)
+                return false;
+
+            if ((InviteFilteringChannels.Contains(usrMsg.Channel.Id) ||
+                InviteFilteringServers.Contains(guild.Id)) &&
+                    usrMsg.Content.IsDiscordInvite())
+            {
+                try
+                {
+                    await usrMsg.DeleteAsync().ConfigureAwait(false);
+                    return true;
+                }
+                catch (HttpException ex)
+                {
+                    _log.Warn("I do not have permission to filter invites in channel with id " + usrMsg.Channel.Id, ex);
+                    return true;
+                }
+            }
+            return false;
+        }
     }
 }

src/NadekoBot/Services/Permissions/PermissionsService.cs

@@ -1,4 +1,5 @@
 using Microsoft.EntityFrameworkCore;
+using NadekoBot.DataStructures.ModuleBehaviors;
 using NadekoBot.Services.Database.Models;
 using NLog;
 using System;
@@ -6,25 +7,27 @@ using System.Collections.Concurrent;
 using System.Diagnostics;
 using System.Linq;
 using System.Threading.Tasks;
+using Discord;
+using Discord.WebSocket;
 
 namespace NadekoBot.Services.Permissions
 {
-    public class PermissionsService
+    public class PermissionsService : ILateBlocker
     {
-        private readonly DbHandler _db;
+        private readonly DbService _db;
         private readonly Logger _log;
 
         //guildid, root permission
         public ConcurrentDictionary<ulong, PermissionCache> Cache { get; } =
             new ConcurrentDictionary<ulong, PermissionCache>();
 
-        public PermissionsService(DbHandler db)
+        public PermissionsService(DbService db, BotConfig bc)
         {
             _log = LogManager.GetCurrentClassLogger();
             _db = db;
 
             var sw = Stopwatch.StartNew();
-            TryMigratePermissions();
+            TryMigratePermissions(bc);
             using (var uow = _db.UnitOfWork)
             {
                 foreach (var x in uow.GuildConfigs.Permissionsv2ForAll())
@@ -59,61 +62,67 @@ namespace NadekoBot.Services.Permissions
             return pc;
         }
 
-        private void TryMigratePermissions()
+        private void TryMigratePermissions(BotConfig bc)
         {
             var log = LogManager.GetCurrentClassLogger();
             using (var uow = _db.UnitOfWork)
             {
-                var oldCache = new ConcurrentDictionary<ulong, OldPermissionCache>(uow.GuildConfigs
+                if (bc.PermissionVersion <= 1)
-                    .OldPermissionsForAll()
-                    .Where(x => x.RootPermission != null) // there is a check inside already, but just in case
-                    .ToDictionary(k => k.GuildId,
-                        v => new OldPermissionCache()
-                        {
-                            RootPermission = v.RootPermission,
-                            Verbose = v.VerbosePermissions,
-                            PermRole = v.PermissionRole
-                        }));
-
-                if (oldCache.Any())
                 {
-                    log.Info("Old permissions found. Performing one-time migration to v2.");
+                    log.Info("Permission version is 1, upgrading to 2.");
-                    var i = 0;
+                    var oldCache = new ConcurrentDictionary<ulong, OldPermissionCache>(uow.GuildConfigs
-                    foreach (var oc in oldCache)
+                        .OldPermissionsForAll()
-                    {
+                        .Where(x => x.RootPermission != null) // there is a check inside already, but just in case
-                        if (i % 3 == 0)
+                        .ToDictionary(k => k.GuildId,
-                            log.Info("Migrating Permissions #" + i + " - GuildId: " + oc.Key);
+                            v => new OldPermissionCache()
-                        i++;
-                        var gc = uow.GuildConfigs.GcWithPermissionsv2For(oc.Key);
-
-                        var oldPerms = oc.Value.RootPermission.AsEnumerable().Reverse().ToList();
-                        uow._context.Set<Permission>().RemoveRange(oldPerms);
-                        gc.RootPermission = null;
-                        if (oldPerms.Count > 2)
-                        {
-
-                            var newPerms = oldPerms.Take(oldPerms.Count - 1)
-                                .Select(x => x.Tov2())
-                                .ToList();
-
-                            var allowPerm = Permissionv2.AllowAllPerm;
-                            var firstPerm = newPerms[0];
-                            if (allowPerm.State != firstPerm.State ||
-                                allowPerm.PrimaryTarget != firstPerm.PrimaryTarget ||
-                                allowPerm.SecondaryTarget != firstPerm.SecondaryTarget ||
-                                allowPerm.PrimaryTargetId != firstPerm.PrimaryTargetId ||
-                                allowPerm.SecondaryTargetName != firstPerm.SecondaryTargetName)
-                                newPerms.Insert(0, Permissionv2.AllowAllPerm);
-                            Cache.TryAdd(oc.Key, new PermissionCache
                             {
-                                Permissions = new PermissionsCollection<Permissionv2>(newPerms),
+                                RootPermission = v.RootPermission,
-                                Verbose = gc.VerbosePermissions,
+                                Verbose = v.VerbosePermissions,
-                                PermRole = gc.PermissionRole,
+                                PermRole = v.PermissionRole
-                            });
+                            }));
-                            gc.Permissions = newPerms;
+
+                    if (oldCache.Any())
+                    {
+                        log.Info("Old permissions found. Performing one-time migration to v2.");
+                        var i = 0;
+                        foreach (var oc in oldCache)
+                        {
+                            if (i % 3 == 0)
+                                log.Info("Migrating Permissions #" + i + " - GuildId: " + oc.Key);
+                            i++;
+                            var gc = uow.GuildConfigs.GcWithPermissionsv2For(oc.Key);
+
+                            var oldPerms = oc.Value.RootPermission.AsEnumerable().Reverse().ToList();
+                            uow._context.Set<Permission>().RemoveRange(oldPerms);
+                            gc.RootPermission = null;
+                            if (oldPerms.Count > 2)
+                            {
+
+                                var newPerms = oldPerms.Take(oldPerms.Count - 1)
+                                    .Select(x => x.Tov2())
+                                    .ToList();
+
+                                var allowPerm = Permissionv2.AllowAllPerm;
+                                var firstPerm = newPerms[0];
+                                if (allowPerm.State != firstPerm.State ||
+                                    allowPerm.PrimaryTarget != firstPerm.PrimaryTarget ||
+                                    allowPerm.SecondaryTarget != firstPerm.SecondaryTarget ||
+                                    allowPerm.PrimaryTargetId != firstPerm.PrimaryTargetId ||
+                                    allowPerm.SecondaryTargetName != firstPerm.SecondaryTargetName)
+                                    newPerms.Insert(0, Permissionv2.AllowAllPerm);
+                                Cache.TryAdd(oc.Key, new PermissionCache
+                                {
+                                    Permissions = new PermissionsCollection<Permissionv2>(newPerms),
+                                    Verbose = gc.VerbosePermissions,
+                                    PermRole = gc.PermissionRole,
+                                });
+                                gc.Permissions = newPerms;
+                            }
                         }
+                        log.Info("Permission migration to v2 is done.");
                     }
-                    log.Info("Permission migration to v2 is done.");
+
+                    uow.BotConfig.GetOrCreate().PermissionVersion = 2;
                     uow.Complete();
                 }
             }
@@ -151,5 +160,39 @@ namespace NadekoBot.Services.Permissions
                 return old;
             });
         }
+
+        public async Task<bool> TryBlockLate(DiscordShardedClient client, IUserMessage msg, IGuild guild, IMessageChannel channel, IUser user, string moduleName, string commandName)
+        {
+            await Task.Yield();
+            if (guild == null)
+            {
+
+                return false;
+            }
+
+            var resetCommand = commandName == "resetperms";
+
+            //todo perms
+            PermissionCache pc = GetCache(guild.Id);
+            if (!resetCommand && !pc.Permissions.CheckPermissions(msg, commandName, moduleName, out int index))
+            {
+                var returnMsg = $"Permission number #{index + 1} **{pc.Permissions[index].GetCommand((SocketGuild)guild)}** is preventing this action.";
+                return true;
+                //return new ExecuteCommandResult(cmd, pc, SearchResult.FromError(CommandError.Exception, returnMsg));
+            }
+
+
+            if (moduleName == "Permissions")
+            {
+                var roles = (user as SocketGuildUser)?.Roles ?? ((IGuildUser)user).RoleIds.Select(x => guild.GetRole(x)).Where(x => x != null);
+                if (!roles.Any(r => r.Name.Trim().ToLowerInvariant() == pc.PermRole.Trim().ToLowerInvariant()) && user.Id != ((IGuildUser)user).Guild.OwnerId)
+                {
+                    return true;
+                    //return new ExecuteCommandResult(cmd, pc, SearchResult.FromError(CommandError.Exception, $"You need the **{pc.PermRole}** role in order to use permission commands."));
+                }
+            }
+
+            return false;
+        }
     }
 }

src/NadekoBot/Services/Searches/SearchesService.cs

@@ -17,7 +17,7 @@ namespace NadekoBot.Services.Searches
     {
         private readonly DiscordShardedClient _client;
         private readonly IGoogleApiService _google;
-        private readonly DbHandler _db;
+        private readonly DbService _db;
         private readonly Logger _log;
 
         public ConcurrentDictionary<ulong, bool> TranslatedChannels { get; } = new ConcurrentDictionary<ulong, bool>();
@@ -31,7 +31,7 @@ namespace NadekoBot.Services.Searches
         public List<WoWJoke> WowJokes { get; } = new List<WoWJoke>();
         public List<MagicItem> MagicItems { get; } = new List<MagicItem>();
 
-        public SearchesService(DiscordShardedClient client, IGoogleApiService google, DbHandler db)
+        public SearchesService(DiscordShardedClient client, IGoogleApiService google, DbService db)
         {
             _client = client;
             _google = google;

src/NadekoBot/Services/Searches/StreamNotificationService.cs

@@ -19,11 +19,11 @@ namespace NadekoBot.Services.Searches
         private bool firstStreamNotifPass { get; set; } = true;
         private readonly ConcurrentDictionary<string, StreamStatus> _cachedStatuses = new ConcurrentDictionary<string, StreamStatus>();
 
-        private readonly DbHandler _db;
+        private readonly DbService _db;
         private readonly DiscordShardedClient _client;
         private readonly NadekoStrings _strings;
 
-        public StreamNotificationService(DbHandler db, DiscordShardedClient client, NadekoStrings strings)
+        public StreamNotificationService(DbService db, DiscordShardedClient client, NadekoStrings strings)
         {
             _db = db;
             _client = client;

src/NadekoBot/Services/Utility/ConverterService.cs

@@ -17,9 +17,9 @@ namespace NadekoBot.Services.Utility
         private readonly Logger _log;
         private Timer _timer;
         private readonly TimeSpan _updateInterval = new TimeSpan(12, 0, 0);
-        private readonly DbHandler _db;
+        private readonly DbService _db;
 
-        public ConverterService(DbHandler db)
+        public ConverterService(DbService db)
         {
             _log = LogManager.GetCurrentClassLogger();
             _db = db;

src/NadekoBot/Services/Utility/MessageRepeaterService.cs

@@ -7,6 +7,7 @@ using System.Threading.Tasks;
 
 namespace NadekoBot.Services.Utility
 {
+    //todo 50 rewrite
     public class MessageRepeaterService
     {
         //messagerepeater
@@ -23,7 +24,6 @@ namespace NadekoBot.Services.Utility
 #else
                     await Task.Delay(30000).ConfigureAwait(false);
 #endif
-                //todo this is pretty terrible :kms: no time
                 Repeaters = new ConcurrentDictionary<ulong, ConcurrentQueue<RepeatRunner>>(gcs
                     .ToDictionary(gc => gc.GuildId,
                         gc => new ConcurrentQueue<RepeatRunner>(gc.GuildRepeaters

src/NadekoBot/Services/Utility/Patreon/PatreonData.cs

@@ -1,6 +1,6 @@
 using Newtonsoft.Json.Linq;
 
-namespace NadekoBot.Modules.Utility.Models
+namespace NadekoBot.Services.Utility.Patreon
 {
     public class PatreonData
     {

src/NadekoBot/Services/Utility/Patreon/PatreonPledge.cs

@@ -1,4 +1,4 @@
-namespace NadekoBot.Modules.Utility.Models
+namespace NadekoBot.Services.Utility.Patreon
 {
     public class Attributes
     {

src/NadekoBot/Services/Utility/Patreon/PatreonUser.cs

@@ -1,4 +1,4 @@
-namespace NadekoBot.Modules.Utility.Models
+namespace NadekoBot.Services.Utility.Patreon
 {
     public class DiscordConnection
     {

src/NadekoBot/Services/Utility/PatreonRewardsService.cs

@@ -0,0 +1,162 @@
+using NadekoBot.Services.Database.Models;
+using NadekoBot.Services.Utility.Patreon;
+using Newtonsoft.Json;
+using NLog;
+using System;
+using System.Collections.Generic;
+using System.Collections.Immutable;
+using System.Linq;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace NadekoBot.Services.Utility
+{
+    public class PatreonRewardsService
+    {
+        private readonly SemaphoreSlim getPledgesLocker = new SemaphoreSlim(1, 1);
+
+        public ImmutableArray<PatreonUserAndReward> Pledges { get; private set; }
+        public DateTime LastUpdate { get; private set; } = DateTime.UtcNow;
+
+        public readonly Timer Updater;
+        private readonly SemaphoreSlim claimLockJustInCase = new SemaphoreSlim(1, 1);
+        private readonly Logger _log;
+
+        public readonly TimeSpan Interval = TimeSpan.FromHours(1);
+        private IBotCredentials _creds;
+        private readonly DbService _db;
+        private readonly CurrencyService _currency;
+
+        private PatreonRewardsService(IBotCredentials creds, DbService db, CurrencyService currency)
+        {
+            _creds = creds;
+            _db = db;
+            _currency = currency;
+            if (string.IsNullOrWhiteSpace(creds.PatreonAccessToken))
+                return;
+            _log = LogManager.GetCurrentClassLogger();
+            Updater = new Timer(async (_) => await LoadPledges(), null, TimeSpan.Zero, Interval);
+        }
+
+        public async Task LoadPledges()
+        {
+            LastUpdate = DateTime.UtcNow;
+            await getPledgesLocker.WaitAsync(1000).ConfigureAwait(false);
+            try
+            {
+                var rewards = new List<PatreonPledge>();
+                var users = new List<PatreonUser>();
+                using (var http = new HttpClient())
+                {
+                    http.DefaultRequestHeaders.Clear();
+                    http.DefaultRequestHeaders.Add("Authorization", "Bearer " + _creds.PatreonAccessToken);
+                    var data = new PatreonData()
+                    {
+                        Links = new PatreonDataLinks()
+                        {
+                            next = "https://api.patreon.com/oauth2/api/campaigns/334038/pledges"
+                        }
+                    };
+                    do
+                    {
+                        var res = await http.GetStringAsync(data.Links.next)
+                            .ConfigureAwait(false);
+                        data = JsonConvert.DeserializeObject<PatreonData>(res);
+                        var pledgers = data.Data.Where(x => x["type"].ToString() == "pledge");
+                        rewards.AddRange(pledgers.Select(x => JsonConvert.DeserializeObject<PatreonPledge>(x.ToString()))
+                            .Where(x => x.attributes.declined_since == null));
+                        users.AddRange(data.Included
+                            .Where(x => x["type"].ToString() == "user")
+                            .Select(x => JsonConvert.DeserializeObject<PatreonUser>(x.ToString())));
+                    } while (!string.IsNullOrWhiteSpace(data.Links.next));
+                }
+                Pledges = rewards.Join(users, (r) => r.relationships?.patron?.data?.id, (u) => u.id, (x, y) => new PatreonUserAndReward()
+                {
+                    User = y,
+                    Reward = x,
+                }).ToImmutableArray();
+            }
+            catch (Exception ex)
+            {
+                _log.Warn(ex);
+            }
+            finally
+            {
+                var _ = Task.Run(async () =>
+                {
+                    await Task.Delay(TimeSpan.FromMinutes(5)).ConfigureAwait(false);
+                    getPledgesLocker.Release();
+                });
+            }
+        }
+
+        public async Task<int> ClaimReward(ulong userId)
+        {
+            await claimLockJustInCase.WaitAsync();
+            var now = DateTime.UtcNow;
+            try
+            {
+                var data = Pledges.FirstOrDefault(x => x.User.attributes?.social_connections?.discord?.user_id == userId.ToString());
+
+                if (data == null)
+                    return 0;
+
+                var amount = data.Reward.attributes.amount_cents;
+
+                using (var uow = _db.UnitOfWork)
+                {
+                    var users = uow._context.Set<RewardedUser>();
+                    var usr = users.FirstOrDefault(x => x.PatreonUserId == data.User.id);
+
+                    if (usr == null)
+                    {
+                        users.Add(new RewardedUser()
+                        {
+                            UserId = userId,
+                            PatreonUserId = data.User.id,
+                            LastReward = now,
+                            AmountRewardedThisMonth = amount,
+                        });
+
+                        await _currency.AddAsync(userId, "Patreon reward - new", amount, uow).ConfigureAwait(false);
+
+                        await uow.CompleteAsync().ConfigureAwait(false);
+                        return amount;
+                    }
+
+                    if (usr.LastReward.Month != now.Month)
+                    {
+                        usr.LastReward = now;
+                        usr.AmountRewardedThisMonth = amount;
+                        usr.PatreonUserId = data.User.id;
+
+                        await _currency.AddAsync(userId, "Patreon reward - recurring", amount, uow).ConfigureAwait(false);
+
+                        await uow.CompleteAsync().ConfigureAwait(false);
+                        return amount;
+                    }
+
+                    if (usr.AmountRewardedThisMonth < amount)
+                    {
+                        var toAward = amount - usr.AmountRewardedThisMonth;
+
+                        usr.LastReward = now;
+                        usr.AmountRewardedThisMonth = amount;
+                        usr.PatreonUserId = data.User.id;
+
+                        await _currency.AddAsync(usr.UserId, "Patreon reward - update", toAward, uow).ConfigureAwait(false);
+
+                        await uow.CompleteAsync().ConfigureAwait(false);
+                        return toAward;
+                    }
+                }
+                return 0;
+            }
+            finally
+            {
+                claimLockJustInCase.Release();
+            }
+        }
+    }
+}