tired

Boyfriend/Boyfriend.cs

@@ -2,21 +2,24 @@
 using Discord.WebSocket;
 
 namespace Boyfriend;
-    public class Boyfriend {
+    public static class Boyfriend {
 
-        public static void Main(string[] args)
+        public static void Main()
-            => new Boyfriend().MainAsync().GetAwaiter().GetResult();
+            => Init().GetAwaiter().GetResult();
 
-        public static readonly DiscordSocketClient Client = new();
+        private static readonly DiscordSocketConfig Config = new() {
+            MessageCacheSize = 250
+        };
+        public static readonly DiscordSocketClient Client = new(Config);
 
-        private async Task MainAsync() {
+        private static async Task Init() {
             Client.Log += Log;
-            var token = File.ReadAllText("token.txt").Trim();
+            var token = (await File.ReadAllTextAsync("token.txt")).Trim();
 
             await Client.LoginAsync(TokenType.Bot, token);
             await Client.StartAsync();
 
-            await new CommandHandler().InstallCommandsAsync();
+            await new EventHandler().InitEvents();
 
             await Task.Delay(-1);
         }

Boyfriend/CommandHandler.cs

@@ -1,29 +0,0 @@
-using System.Reflection;
-using Discord.Commands;
-using Discord.WebSocket;
-
-namespace Boyfriend;
-
-public class CommandHandler {
-    private readonly DiscordSocketClient _client = Boyfriend.Client;
-    private readonly CommandService _commands = new CommandService();
-
-    public async Task InstallCommandsAsync() {
-        _client.MessageReceived += HandleCommandAsync;
-        await _commands.AddModulesAsync(Assembly.GetEntryAssembly(), null);
-    }
-
-    private async Task HandleCommandAsync(SocketMessage messageParam) {
-        if (messageParam is not SocketUserMessage message) return;
-        var argPos = 0;
-
-        if (!(message.HasCharPrefix('!', ref argPos) ||
-              message.HasMentionPrefix(_client.CurrentUser, ref argPos)) ||
-            message.Author.IsBot)
-            return;
-
-        var context = new SocketCommandContext(_client, message);
-
-        await _commands.ExecuteAsync(context, argPos, null);
-    }
-}

Boyfriend/Commands/BanModule.cs

@@ -0,0 +1,26 @@
+using Discord;
+using Discord.Commands;
+// ReSharper disable UnusedType.Global
+// ReSharper disable UnusedMember.Global
+
+namespace Boyfriend.Commands;
+
+public class BanModule : ModuleBase<SocketCommandContext> {
+
+    [Command("ban")]
+    [Summary("Банит пользователя")]
+    [Alias("бан")]
+    public async Task Run(IUser toBan, TimeSpan duration, [Remainder]string reason)
+        => await BanUser(Context.Guild, Context.User, toBan, duration, reason);
+
+    public async void BanUser(IGuild guild, IUser author, IUser toBan, TimeSpan duration, string reason = "") {
+        var authorMention = author.Mention;
+        await toBan.SendMessageAsync("Тебя забанил " + authorMention + " за " + reason);
+        await guild.AddBanAsync(toBan, 0, reason);
+        await guild.GetSystemChannelAsync().Result.SendMessageAsync(authorMention + " банит " + toBan.Mention + " за "
+                                                                    + reason);
+        var banTimer = new System.Timers.Timer(duration.Milliseconds);
+        banTimer.Elapsed += UnbanModule.UnbanUser(guild, author, toBan, "Время наказания истекло").;
+        banTimer.Start();
+    }
+}

Boyfriend/Commands/PingModule.cs

@@ -1,4 +1,6 @@
 using Discord.Commands;
+// ReSharper disable UnusedType.Global
+// ReSharper disable UnusedMember.Global
 
 namespace Boyfriend.Commands;
 

Boyfriend/Commands/Unban.cs

@@ -0,0 +1,23 @@
+using Discord;
+using Discord.Commands;
+// ReSharper disable UnusedType.Global
+// ReSharper disable UnusedMember.Global
+
+namespace Boyfriend.Commands;
+
+public class UnbanModule : ModuleBase<SocketCommandContext> {
+
+    [Command("unban")]
+    [Summary("Возвращает пользователя из бана")]
+    [Alias("разбан")]
+    public async Task Run(IUser toBan, TimeSpan duration, [Remainder]string reason)
+        => await UnbanUser(Context.Guild, Context.User, toBan, reason);
+
+    public async Task UnbanUser(IGuild guild, IUser author, IUser toBan, string reason = "") {
+        var authorMention = author.Mention;
+        await toBan.SendMessageAsync("Тебя разбанил " + authorMention + " за " + reason);
+        await guild.RemoveBanAsync(toBan);
+        await guild.GetSystemChannelAsync().Result.SendMessageAsync(authorMention + " возвращает из бана "
+            + toBan.Mention + " за " + reason);
+    }
+}

Boyfriend/EventHandler.cs

@@ -0,0 +1,79 @@
+using System.Reflection;
+using Boyfriend.Commands;
+using Discord;
+using Discord.Commands;
+using Discord.WebSocket;
+
+namespace Boyfriend;
+
+public class EventHandler {
+    private readonly DiscordSocketClient _client = Boyfriend.Client;
+    private readonly CommandService _commands = new();
+
+    public async Task InitEvents() {
+        _client.Ready += ReadyEvent;
+        _client.MessageDeleted += MessageDeletedEvent;
+        _client.MessageReceived += MessageReceivedEvent;
+        _client.MessageUpdated += MessageUpdatedEvent;
+        _client.UserJoined += UserJoinedEvent;
+        await _commands.AddModulesAsync(Assembly.GetEntryAssembly(), null);
+    }
+
+    [Obsolete("Stop hard-coding things!")]
+    private async Task ReadyEvent() {
+        if (_client.GetChannel(618044439939645444) is not IMessageChannel botLogChannel)
+            throw new ArgumentException("Invalid bot log channel");
+        await botLogChannel.SendMessageAsync(Utils.GetBeep() +
+            "Я запустился! (C#)");
+    }
+
+    private static async Task MessageDeletedEvent(Cacheable<IMessage, ulong> message, ISocketMessageChannel channel) {
+        var msg = message.Value;
+        string toSend;
+        if (msg == null)
+            toSend = "Удалено сообщение в канале " + Utils.MentionChannel(channel.Id) + ", но я забыл что там было";
+        else
+            toSend = "Удалено сообщение от " + msg.Author.Mention + " в канале " + Utils.MentionChannel(channel.Id)
+                     + ": " + Utils.Wrap(msg.Content);
+        await Utils.GetAdminLogChannel().SendMessageAsync(toSend);
+    }
+
+    private async Task MessageReceivedEvent(SocketMessage messageParam) {
+        if (messageParam is not SocketUserMessage {Author: IGuildUser user} message) return;
+        var argPos = 0;
+        var guild = user.Guild;
+
+        if ((message.MentionedUsers.Count > 3 || message.MentionedRoles.Count > 2)
+            && !user.GuildPermissions.MentionEveryone)
+            await new BanModule().BanUser(guild, guild.GetCurrentUserAsync().Result, user, TimeSpan.Zero,
+                "Более 3-ёх упоминаний в одном сообщении");
+
+        if (!(message.HasCharPrefix('!', ref argPos) || message.HasMentionPrefix(_client.CurrentUser, ref argPos)) ||
+            message.Author.IsBot)
+            return;
+
+        var context = new SocketCommandContext(_client, message);
+
+        await _commands.ExecuteAsync(context, argPos, null);
+    }
+
+    private static async Task MessageUpdatedEvent(Cacheable<IMessage, ulong> messageCached, SocketMessage messageSocket,
+        ISocketMessageChannel channel) {
+        var msg = messageCached.Value;
+        string toSend;
+        if (msg == null)
+            toSend = "Отредактировано сообщение в канале "
+                     + Utils.MentionChannel(channel.Id) + ", но я забыл что там было до редактирования: "
+                     + Utils.Wrap(messageSocket.Content);
+        else
+            toSend = "Отредактировано сообщение от " + msg.Author.Mention + " в канале "
+                     + Utils.MentionChannel(channel.Id) + ": " + Utils.Wrap(msg.Content)
+                     + Utils.Wrap(messageSocket.Content);
+        await Utils.GetAdminLogChannel().SendMessageAsync(toSend);
+    }
+
+    private static async Task UserJoinedEvent(SocketGuildUser user) {
+        await user.Guild.SystemChannel.SendMessageAsync(user.Mention + ", добро пожаловать на сервер "
+                                                                     + user.Guild.Name);
+    }
+}

Boyfriend/Utils.cs

@@ -1,8 +1,25 @@
-namespace Boyfriend;
+using Discord;
+
+namespace Boyfriend;
 
 public static class Utils {
     public static string GetBeep() {
         var letters = new[] { "а", "о", "и"};
         return "Б" + letters[new Random().Next(3)] + "п! ";
     }
+
+    [Obsolete("Stop hard-coding things!")]
+    public static IMessageChannel GetAdminLogChannel() {
+        if (Boyfriend.Client.GetChannel(870929165141032971) is not IMessageChannel adminLogChannel)
+            throw new ArgumentException("Invalid admin log channel");
+        return adminLogChannel;
+    }
+
+    public static string Wrap(string original) {
+        return original.Trim().Equals("") ? "" : "```" + original.Replace("```", "​`​`​`​") + "```";
+    }
+
+    public static string MentionChannel(ulong id) {
+        return "<#" + id + ">";
+    }
 }