[cas] use file-scoped namespaces

modules/CombotAntiSpam/Combot/CombotApiResponse.cs

@@ -1,10 +1,10 @@
 using System;
 using Newtonsoft.Json;
 
-namespace Kruzya.TelegramBot.CombotAntiSpam.Combot
+namespace Kruzya.TelegramBot.CombotAntiSpam.Combot;
+
+internal class CombotApiResponse
 {
-    internal class CombotApiResponse
-    {
     public class ApiResult
     {
         [JsonProperty("messages")]
@@ -27,5 +27,4 @@ namespace Kruzya.TelegramBot.CombotAntiSpam.Combot
         
     [JsonProperty("result")]
     public ApiResult Result { get; set; }
-    }
 }

modules/CombotAntiSpam/Combot/CombotClient.cs

@@ -4,10 +4,10 @@ using System.Threading.Tasks;
 using Kruzya.TelegramBot.Core.Extensions;
 using Telegram.Bot.Types;
 
-namespace Kruzya.TelegramBot.CombotAntiSpam.Combot
+namespace Kruzya.TelegramBot.CombotAntiSpam.Combot;
+
+public class CombotClient : ICombotClient
 {
-    public class CombotClient : ICombotClient
-    {
     public HttpClient _HttpClient;
 
     public CombotClient()
@@ -26,5 +26,4 @@ namespace Kruzya.TelegramBot.CombotAntiSpam.Combot
         var result = await _HttpClient.GetJsonAsync<CombotApiResponse>($"?user_id={user.Id}");
         return result.IsSpammer;
     }
-    }
 }

modules/CombotAntiSpam/Combot/ICombotClient.cs

@@ -1,11 +1,10 @@
 using System.Threading.Tasks;
 using Telegram.Bot.Types;
 
-namespace Kruzya.TelegramBot.CombotAntiSpam.Combot
+namespace Kruzya.TelegramBot.CombotAntiSpam.Combot;
+
+public interface ICombotClient
 {
-    public interface ICombotClient
-    {
     public bool IsSpammer(User user);
     public Task<bool> IsSpammerAsync(User user);
-    }
 }

modules/CombotAntiSpam/CombotAntiSpam.cs

@@ -2,10 +2,10 @@
 using Kruzya.TelegramBot.Core;
 using Microsoft.Extensions.DependencyInjection;
 
-namespace Kruzya.TelegramBot.CombotAntiSpam
+namespace Kruzya.TelegramBot.CombotAntiSpam;
+
+public class CombotAntiSpam : Module
 {
-    public class CombotAntiSpam : Module
-    {
     public CombotAntiSpam(Core.Core core) : base(core)
     {
     }
@@ -14,5 +14,4 @@ namespace Kruzya.TelegramBot.CombotAntiSpam
     {
         services.AddSingleton<ICombotClient, CombotClient>();
     }
-    }
 }

modules/CombotAntiSpam/UserJoinHandler.cs

@@ -11,10 +11,10 @@ using Telegram.Bot;
 using Telegram.Bot.Types;
 using Telegram.Bot.Types.Enums;
 
-namespace Kruzya.TelegramBot.CombotAntiSpam
+namespace Kruzya.TelegramBot.CombotAntiSpam;
+
+public class UserJoinHandler : BotEventHandler
 {
-    public class UserJoinHandler : BotEventHandler
-    {
     protected ICombotClient _combotClient;
     protected ILogger _logger;
 
@@ -57,5 +57,4 @@ namespace Kruzya.TelegramBot.CombotAntiSpam
             }
         }
     }
-    }
 }