Restructured folders and project names, ci should be fixed

src/NadekoBot/Modules/Permissions/Services/CmdCdService.cs

@@ -0,0 +1,81 @@
+using System.Collections.Concurrent;
+using System.Linq;
+using System.Threading.Tasks;
+using Discord;
+using Discord.Commands;
+using Discord.WebSocket;
+using NadekoBot.Common.Collections;
+using NadekoBot.Common.ModuleBehaviors;
+using NadekoBot.Core.Services;
+using NadekoBot.Core.Services.Database.Models;
+
+namespace NadekoBot.Modules.Permissions.Services
+{
+    public class CmdCdService : ILateBlocker, INService
+    {
+        public ConcurrentDictionary<ulong, ConcurrentHashSet<CommandCooldown>> CommandCooldowns { get; }
+        public ConcurrentDictionary<ulong, ConcurrentHashSet<ActiveCooldown>> ActiveCooldowns { get; } = new ConcurrentDictionary<ulong, ConcurrentHashSet<ActiveCooldown>>();
+
+        public int Priority { get; } = 0;
+            
+        public CmdCdService(NadekoBot bot)
+        {
+            CommandCooldowns = new ConcurrentDictionary<ulong, ConcurrentHashSet<CommandCooldown>>(
+                bot.AllGuildConfigs.ToDictionary(k => k.GuildId, 
+                                 v => new ConcurrentHashSet<CommandCooldown>(v.CommandCooldowns)));
+        }
+
+        public Task<bool> TryBlock(IGuild guild, IUser user, string commandName)
+        {
+            if (guild is null)
+                return Task.FromResult(false);
+            
+            var cmdcds = CommandCooldowns.GetOrAdd(guild.Id, new ConcurrentHashSet<CommandCooldown>());
+            CommandCooldown cdRule;
+            if ((cdRule = cmdcds.FirstOrDefault(cc => cc.CommandName == commandName)) != null)
+            {
+                var activeCdsForGuild = ActiveCooldowns.GetOrAdd(guild.Id, new ConcurrentHashSet<ActiveCooldown>());
+                if (activeCdsForGuild.FirstOrDefault(ac => ac.UserId == user.Id && ac.Command == commandName) != null)
+                {
+                    return Task.FromResult(true);
+                }
+                
+                activeCdsForGuild.Add(new ActiveCooldown()
+                {
+                    UserId = user.Id,
+                    Command = commandName,
+                });
+                
+                var _ = Task.Run(async () =>
+                {
+                    try
+                    {
+                        await Task.Delay(cdRule.Seconds * 1000).ConfigureAwait(false);
+                        activeCdsForGuild.RemoveWhere(ac => ac.Command == commandName && ac.UserId == user.Id);
+                    }
+                    catch
+                    {
+                        // ignored
+                    }
+                });
+            }
+
+            return Task.FromResult(false);
+        }
+        
+        public Task<bool> TryBlockLate(DiscordSocketClient client, ICommandContext ctx, string moduleName, CommandInfo command)
+        {
+            var guild = ctx.Guild;
+            var user = ctx.User;
+            var commandName = command.Name.ToLowerInvariant();
+
+            return TryBlock(guild, user, commandName);
+        }
+    }
+
+    public class ActiveCooldown
+    {
+        public string Command { get; set; }
+        public ulong UserId { get; set; }
+    }
+}