Removed module projects because it can't work like that atm. Commented out package commands.

NadekoBot.Core/Modules/Utility/Services/CommandMapService.cs

@@ -0,0 +1,77 @@
+using System.Collections.Concurrent;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using Discord;
+using NadekoBot.Common.ModuleBehaviors;
+using NadekoBot.Extensions;
+using NadekoBot.Core.Services;
+using NadekoBot.Core.Services.Database.Models;
+using NLog;
+
+namespace NadekoBot.Modules.Utility.Services
+{
+    public class CommandMapService : IInputTransformer, INService
+    {
+        private readonly Logger _log;
+
+        public ConcurrentDictionary<ulong, ConcurrentDictionary<string, string>> AliasMaps { get; } = new ConcurrentDictionary<ulong, ConcurrentDictionary<string, string>>();
+        //commandmap
+        public CommandMapService(NadekoBot bot)
+        {
+            _log = LogManager.GetCurrentClassLogger();
+            AliasMaps = new ConcurrentDictionary<ulong, ConcurrentDictionary<string, string>>(
+                bot.AllGuildConfigs.ToDictionary(
+                    x => x.GuildId,
+                        x => new ConcurrentDictionary<string, string>(x.CommandAliases
+                            .Distinct(new CommandAliasEqualityComparer())
+                            .ToDictionary(ca => ca.Trigger, ca => ca.Mapping))));
+        }
+
+        public async Task<string> TransformInput(IGuild guild, IMessageChannel channel, IUser user, string input)
+        {
+            await Task.Yield();
+
+            if (guild == null || string.IsNullOrWhiteSpace(input))
+                return input;
+            
+            if (guild != null)
+            {
+                input = input.ToLowerInvariant();
+                if (AliasMaps.TryGetValue(guild.Id, out ConcurrentDictionary<string, string> maps))
+                {
+                    var keys = maps.Keys
+                        .OrderByDescending(x => x.Length);
+
+                    foreach (var k in keys)
+                    {
+                        string newInput;
+                        if (input.StartsWith(k + " "))
+                            newInput = maps[k] + input.Substring(k.Length, input.Length - k.Length);
+                        else if (input == k)
+                            newInput = maps[k];
+                        else
+                            continue;
+
+                        _log.Info(@"--Mapping Command--
+            GuildId: {0}
+            Trigger: {1}
+            Mapping: {2}", guild.Id, input, newInput);
+
+                        try { await channel.SendConfirmAsync($"{input} => {newInput}").ConfigureAwait(false); } catch { }
+                        return newInput;
+                    }
+                }
+            }
+
+            return input;
+        }
+    }
+
+    public class CommandAliasEqualityComparer : IEqualityComparer<CommandAlias>
+    {
+        public bool Equals(CommandAlias x, CommandAlias y) => x.Trigger == y.Trigger;
+
+        public int GetHashCode(CommandAlias obj) => obj.Trigger.GetHashCode();
+    }
+}