[reputation] Move reputation to separate module.

Core/CommonHandler.cs

@@ -0,0 +1,71 @@
+#nullable enable
+
+using System;
+using System.Threading.Tasks;
+using BotFramework;
+using Kruzya.TelegramBot.Core.Data;
+using Kruzya.TelegramBot.Core.Extensions;
+using Telegram.Bot;
+using Telegram.Bot.Types;
+using Telegram.Bot.Types.Enums;
+
+namespace Kruzya.TelegramBot.Core
+{
+    public abstract class CommonHandler : BotEventHandler
+    {
+        protected readonly CoreContext Db;
+
+        protected Message? Message => RawUpdate.Message;
+
+        protected User? RepliedUser => Message?.ReplyToMessage?.From;
+        
+        protected CommonHandler(CoreContext db)
+        {
+            Db = db;
+        }
+
+        protected async Task<Message> Reply(string text)
+        {
+            return await Bot.SendTextMessageAsync(Chat.Id, text,
+                replyToMessageId: Message?.MessageId, parseMode: ParseMode.Html);
+        }
+
+        protected async Task<bool> CanPunish()
+        {
+            return RepliedUser != null && await Bot.CanPunishMember(Chat, From, RepliedUser);
+        }
+        
+        #region Bans
+        protected async Task BanMember(User user, DateTime? banEnd = null, bool sendMessage = true)
+        {
+            await BanMember(user.Id, banEnd);
+
+            if (sendMessage)
+            {
+                await Bot.SendTextMessageAsync(
+                    Chat.Id, 
+                    $"{From.ToHtml()} <code>заблокировал</code> {user.ToHtml()} <code>на 7 дней</code>",
+                    disableNotification: true, parseMode: ParseMode.Html);
+            }
+        }
+        
+        protected async Task BanMember(long userId, DateTime? banEnd = null)
+        {
+            await Bot.RestrictChatMemberAsync(
+                                Chat.Id,
+                                userId,
+                                new ChatPermissions
+                                {
+                                    CanSendMessages = false
+                                },
+                                banEnd ?? DateTime.Now.AddDays(7)
+                                );
+        }
+        #endregion
+        
+        protected async Task<BotUserValue> GetWarnOption(User user)
+        {
+            return await Db.UserValues.FindOrCreateOption(Chat.Id, user.Id, "warnCount");
+        }
+    }
+}

Core/Extensions/DbContextExtension.cs

@@ -45,7 +45,7 @@ public static class DbContextExtension
             dbContext.Update(entity);
             dbContext.SaveChanges();
         }
-        catch (DbUpdateConcurrencyException e)
+        catch (DbUpdateConcurrencyException)
         {
             dbContext.Add(entity);
             dbContext.SaveChanges();

Core/Service/IReputation.cs

@@ -0,0 +1,13 @@
+using System.Threading.Tasks;
+using Telegram.Bot.Types;
+
+namespace Kruzya.TelegramBot.Core.Service
+{
+    public interface IReputation
+    {
+        public Task<double> GetUserReputationAsync(Chat chat, User user);
+        public Task<double> SetUserReputationAsync(Chat chat, User user, double value);
+        public Task<double> GetReputationDiffAsync(Chat chat, User sender, User receiver);
+        public Task IncrementReputationAsync(Chat chat, User user, double diff);
+    }
+}