[cm] warn decomposition

modules/ChatManagement/ChatManagement.cs

@@ -15,6 +15,10 @@ public class ChatManagement : Module
     public override void ConfigureServices(IServiceCollection services)
     {
         services.AddScoped<RulesService>();
+        services.AddScoped<WarnService>();
         services.AddTelegramBotParameterParser<BanLength.Param, BanLength.Parser>();
+
+        WarnService.WarnEvent += Notifier.WarnNotify;
+        WarnService.UnWarnEvent += Notifier.UnWarnNotify;
     }
 }

modules/ChatManagement/Handler/Warn.cs

@@ -1,56 +1,28 @@
 #nullable enable
 
-using System;
 using System.Threading.Tasks;
 using BotFramework.Attributes;
 using BotFramework.Enums;
 using Kruzya.TelegramBot.Core;
 using Kruzya.TelegramBot.Core.Data;
-using Kruzya.TelegramBot.Core.Extensions;
+using West.TelegramBot.ChatManagement.Service;
-using Telegram.Bot;
-using Telegram.Bot.Types.Enums;
 
 namespace West.TelegramBot.ChatManagement.Handler;
 
 public class Warn : CommonHandler
 {
-    public Warn(CoreContext db) : base(db) {}
+    private readonly WarnService _warnService;
+    public Warn(CoreContext db, WarnService warnService) : base(db)
+    {
+        _warnService = warnService;
+    }
 
     [Command("warn", CommandParseMode.Both)]
     public async Task HandleWarn()
     {
         if (!await CanPunish()) return;
-            
-        var warnUser = RepliedUser!;
-        var warnOption = await GetWarnOption(warnUser);
-        var warnCount = warnOption.GetValue<int>() + 1;
 
-        await Bot.SendTextMessageAsync(Chat.Id, $"{warnUser.ToHtml()}<code>, Вам выдано предупреждение! " +
+        await _warnService.WarnChatUserAsync(Chat, From, RepliedUser!);
-                                                $"Текущее кол-во: {warnCount}/3</code>", 
-            disableNotification: true, 
-            parseMode: ParseMode.Html);
-            
-        if (warnCount >= 3)
-        {
-            try
-            {
-                await BanMember(warnUser.Id, DateTime.Now.AddDays(7));
-                warnCount = 0;
-            }
-            catch
-            {
-                await Bot.SendTextMessageAsync(Chat.Id, "Нет прав на блокировку пользователя.");
-                return;
-            }
-
-            await Bot.SendTextMessageAsync(
-                Chat.Id,
-                $"{From.ToHtml()} <code>заблокировал</code> {RepliedUser!.ToHtml()} <code>на 7 дней</code>",
-                disableNotification: true, parseMode: ParseMode.Html);
-        }
-
-        warnOption.SetValue(warnCount);
-        Db.AddOrUpdate(warnOption);
     }
 
     [Command("unwarn", CommandParseMode.Both)]
@@ -58,18 +30,6 @@ public class Warn : CommonHandler
     {
         if (!await CanPunish()) return;
 
-        var warnOption = await GetWarnOption(RepliedUser!);
+        await _warnService.UnWarnChatUserAsync(Chat, From, RepliedUser!);
-        var warnCount = warnOption.GetValue<int>();
-        if (warnCount == 0) return;
-            
-        warnCount = Math.Max(warnCount - 1, 0);
-        warnOption.SetValue(warnCount);
-        Db.AddOrUpdate(warnOption);
-            
-        await Bot.SendTextMessageAsync(Chat.Id, 
-            $"{RepliedUser.ToHtml()}<code>, с Вас снято предупреждение! " +
-            $"Текущее кол-во: {warnCount}/3</code>", 
-            disableNotification: true, 
-            parseMode: ParseMode.Html);
     }
 }

modules/ChatManagement/Notifier.cs

@@ -0,0 +1,29 @@
+namespace West.TelegramBot.ChatManagement;
+
+public class Notifier
+{
+    public static async void WarnNotify(ITelegramBotClient bot, Chat chat, User from, User to, int count, bool isBanned = false)
+    {
+        await bot.SendTextMessageAsync(chat.Id, $"{to.ToHtml()}<code>, Вам выдано предупреждение! " +
+                                                $"Текущее кол-во: {count}/3</code>",
+            disableNotification: true,
+            parseMode: ParseMode.Html);
+
+        if (isBanned)
+        {
+            await bot.SendTextMessageAsync(
+                chat.Id,
+                $"{from.ToHtml()} <code>заблокировал</code> {to.ToHtml()} <code>на 7 дней</code>",
+                disableNotification: true, parseMode: ParseMode.Html);
+        }
+    }
+
+    public static async void UnWarnNotify(ITelegramBotClient bot, Chat chat, User from, User to, int count)
+    {
+        await bot.SendTextMessageAsync(chat.Id,
+            $"{to.ToHtml()}<code>, с Вас снято предупреждение! " +
+            $"Текущее кол-во: {count}/3</code>",
+            disableNotification: true,
+            parseMode: ParseMode.Html);
+    }
+}

modules/ChatManagement/Service/WarnService.cs

@@ -0,0 +1,78 @@
+#nullable enable
+
+using System;
+using System.Threading.Tasks;
+using BotFramework.Abstractions;
+using Kruzya.TelegramBot.Core.Data;
+using Kruzya.TelegramBot.Core.Extensions;
+using Telegram.Bot;
+using Telegram.Bot.Types;
+
+namespace West.TelegramBot.ChatManagement.Service;
+
+public class WarnService
+{
+    public delegate void WarnHandler(ITelegramBotClient bot, Chat chat, User from, User to, int count, bool isBanned = false);
+    public delegate void UnWarnHandler(ITelegramBotClient bot, Chat chat, User from, User to, int count);
+
+    public static event WarnHandler? WarnEvent;
+    public static event UnWarnHandler? UnWarnEvent;
+
+    private readonly CoreContext _db;
+    private readonly ITelegramBotClient _bot;
+
+    public WarnService(CoreContext db, IBotInstance bot)
+    {
+        _db = db;
+        _bot = bot.BotClient;
+    }
+
+    public async Task WarnChatUserAsync(Chat chat, User from, User to)
+    {
+        var warnOption = await GetWarnOption(chat, to);
+        var warnCount = warnOption.GetValue<int>() + 1;
+
+        if (warnCount >= 3)
+        {
+            try
+            {
+                await _bot.RestrictChatMemberAsync(
+                    chat.Id,
+                    to.Id,
+                    new ChatPermissions
+                    {
+                        CanSendMessages = false
+                    },
+                    DateTime.Now.AddDays(7)
+                );
+                warnCount = 0;
+            }
+            catch
+            {
+                await _bot.SendTextMessageAsync(chat.Id, "У меня нет прав на блокировку пользователя.");
+            }
+        }
+
+        warnOption.SetValue(warnCount);
+        _db.AddOrUpdate(warnOption);
+        WarnEvent?.Invoke(_bot, chat, from, to, warnCount == 0 ? 3 : warnCount, warnCount == 0);
+    }
+
+    public async Task UnWarnChatUserAsync(Chat chat, User from, User user)
+    {
+        var warnOption = await GetWarnOption(chat, user);
+        var warnCount = warnOption.GetValue<int>();
+        if (warnCount == 0) return;
+
+        warnCount = Math.Max(warnCount - 1, 0);
+        warnOption.SetValue(warnCount);
+        _db.AddOrUpdate(warnOption);
+
+        UnWarnEvent?.Invoke(_bot, chat, from, user, warnCount);
+    }
+
+    protected async Task<BotUserValue> GetWarnOption(Chat chat, User user)
+    {
+        return await _db.UserValues.FindOrCreateOption(chat.Id, user.Id, "warnCount");
+    }
+}