.wheel command added (wheel of fortune gambling)

src/NadekoBot/Modules/Administration/ProtectionCommands.cs

@@ -112,11 +112,14 @@ namespace NadekoBot.Modules.Administration
             [NadekoCommand, Usage, Description, Aliases]
             [RequireContext(ContextType.Guild)]
             [RequireUserPermission(GuildPermission.Administrator)]
-            public async Task AntiSpam(int messageCount = 3, PunishmentAction action = PunishmentAction.Mute)
+            public async Task AntiSpam(int messageCount = 3, PunishmentAction action = PunishmentAction.Mute, int time = 0)
             {
                 if (messageCount < 2 || messageCount > 10)
                     return;
 
+                if (time < 0 || time > 60 * 12)
+                    return;
+                
                 if (_service.AntiSpamGuilds.TryRemove(Context.Guild.Id, out var removed))
                 {
                     removed.UserStats.ForEach(x => x.Value.Dispose());

src/NadekoBot/Modules/Gambling/Common/WheelOfFortune/WheelOfFortune.cs

@@ -0,0 +1,45 @@
+using NadekoBot.Common;
+using System;
+using System.Collections.Generic;
+using System.Collections.Immutable;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace NadekoBot.Modules.Gambling.Common.WheelOfFortune
+{
+    public class WheelOfFortune
+    {
+        private static readonly NadekoRandom _rng = new NadekoRandom();
+
+        private static readonly ImmutableArray<string> _emojis = new string[] {
+            "⬆",
+            "↖",
+            "⬅",
+            "↙",
+            "⬇",
+            "↘",
+            "➡",
+            "↗" }.ToImmutableArray();
+
+        public static readonly ImmutableArray<float> Multipliers = new float[] {
+            1.7f,
+            1.5f,
+            0.2f,
+            0.1f,
+            0.3f,
+            0.5f,
+            1.2f,
+            2.4f,
+        }.ToImmutableArray();
+
+        public int Result { get; }
+        public string Emoji => _emojis[Result];
+        public float Multiplier => Multipliers[Result];
+
+        public WheelOfFortune()
+        {
+            this.Result = _rng.Next(0, 8);
+        }
+    }
+}

src/NadekoBot/Modules/Gambling/WheelOfFortuneCommands.cs

@@ -0,0 +1,81 @@
+using Discord;
+using Discord.Commands;
+using NadekoBot.Common.Attributes;
+using NadekoBot.Extensions;
+using NadekoBot.Modules.Gambling.Common.WheelOfFortune;
+using NadekoBot.Services;
+using System.Threading.Tasks;
+using Wof = NadekoBot.Modules.Gambling.Common.WheelOfFortune.WheelOfFortune;
+
+namespace NadekoBot.Modules.Gambling
+{
+    public partial class Gambling
+    {
+        public class WheelOfFortuneCommands : NadekoSubmodule
+        {
+            private readonly CurrencyService _cs;
+            private readonly IBotConfigProvider _bc;
+
+            public WheelOfFortuneCommands(CurrencyService cs, IBotConfigProvider bc)
+            {
+                _cs = cs;
+                _bc = bc;
+            }
+
+            [NadekoCommand, Usage, Description, Aliases]
+            [RequireContext(ContextType.Guild)]
+            public async Task WheelOfFortune(int bet)
+            {
+                const int minBet = 10;
+                if (bet < minBet)
+                {
+                    await ReplyErrorLocalized("min_bet_limit", minBet + _bc.BotConfig.CurrencySign).ConfigureAwait(false);
+                    return;
+                }
+
+                if (!await _cs.RemoveAsync(Context.User.Id, "Wheel Of Fortune - bet", bet).ConfigureAwait(false))
+                {
+                    await ReplyErrorLocalized("not_enough", _bc.BotConfig.CurrencySign).ConfigureAwait(false);
+                    return;
+                }
+
+                var wof = new WheelOfFortune();
+
+                var amount = (int)(bet * wof.Multiplier);
+
+                if (amount > 0)
+                    await _cs.AddAsync(Context.User.Id, "Wheel Of Fortune - won", amount).ConfigureAwait(false);
+
+                await Context.Channel.SendConfirmAsync(
+Format.Bold($@"{Context.User.ToString()} won: {amount + _bc.BotConfig.CurrencySign}
+
+   『{Wof.Multipliers[1]}』   『{Wof.Multipliers[0]}』   『{Wof.Multipliers[7]}』
+
+『{Wof.Multipliers[2]}』      {wof.Emoji}      『{Wof.Multipliers[6]}』
+
+     『{Wof.Multipliers[3]}』   『{Wof.Multipliers[4]}』   『{Wof.Multipliers[5]}』")).ConfigureAwait(false);
+            }
+
+            //[NadekoCommand, Usage, Description, Aliases]
+            //[RequireContext(ContextType.Guild)]
+            //public async Task WofTest(int length = 1000)
+            //{
+            //    var mults = new Dictionary<float, int>();
+            //    for (int i = 0; i < length; i++)
+            //    {
+            //        var x = new Wof();
+            //        if (mults.ContainsKey(x.Multiplier))
+            //            ++mults[x.Multiplier];
+            //        else
+            //            mults.Add(x.Multiplier, 1);
+            //    }
+
+            //    var payout = mults.Sum(x => x.Key * x.Value);
+            //    await Context.Channel.SendMessageAsync($"Total bet: {length}\n" +
+            //        $"Paid out: {payout}\n" +
+            //        $"Total Payout: {payout / length:F3}x")
+            //        .ConfigureAwait(false);
+            //}
+        }
+    }
+}

src/NadekoBot/Modules/Utility/Services/ConverterService.cs

@@ -96,7 +96,8 @@ namespace NadekoBot.Modules.Utility.Services
 
                     using (var uow = _db.UnitOfWork)
                     {
-                        uow.ConverterUnits.RemoveRange(toRemove.ToArray());
+                        if(toRemove.Any())
+                            uow.ConverterUnits.RemoveRange(toRemove.ToArray());
                         uow.ConverterUnits.Add(baseType);
                         uow.ConverterUnits.AddRange(range);
 

src/NadekoBot/Resources/CommandStrings.resx

@@ -1314,6 +1314,15 @@
   <data name="betroll_usage" xml:space="preserve">
     <value>`{0}br 5`</value>
   </data>
+  <data name="wheeloffortune_cmd" xml:space="preserve">
+    <value>wheeloffortune wheel</value>
+  </data>
+  <data name="wheeloffortune_desc" xml:space="preserve">
+    <value>Bets a certain amount of currency on the wheel of fortune. Wheel can stop on one of many different multipliers. Won amount is rounded down to the nearest whole number.</value>
+  </data>
+  <data name="wheeloffortune_usage" xml:space="preserve">
+    <value>`{0}wheel 5`</value>
+  </data>
   <data name="leaderboard_cmd" xml:space="preserve">
     <value>leaderboard lb</value>
   </data>