fix: build and lots of obsolete warnings

Core/Controllers/Telegram.cs

@@ -3,10 +3,9 @@ using BotFramework.Config;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Options;
-using Newtonsoft.Json;
 using System.IO;
+using System.Text.Json;
 using System.Threading.Tasks;
-using Telegram.Bot;
 using Telegram.Bot.Types;
 
 namespace Kruzya.TelegramBot.Core.Controllers
@@ -16,14 +15,12 @@ namespace Kruzya.TelegramBot.Core.Controllers
         private const string SecretTokenHeader = "X-Telegram-Bot-Api-Secret-Token";
 
         private readonly ILogger<Telegram> _logger;
-        private readonly ITelegramBotClient _client;
         private readonly IUpdateTarget _updateTarget;
         private readonly string _secretToken;
 
-        public Telegram(ILogger<Telegram> logger, ITelegramBotClient client, IUpdateTarget updateTarget, IOptions<BotConfig> config)
+        public Telegram(ILogger<Telegram> logger, IUpdateTarget updateTarget, IOptions<BotConfig> config)
         {
             _logger = logger;
-            _client = client;
             _updateTarget = updateTarget;
 
             _secretToken = config.Value.Webhook.SecretToken;
@@ -50,7 +47,7 @@ namespace Kruzya.TelegramBot.Core.Controllers
             }
 
             var body = await (new StreamReader(Request.Body)).ReadToEndAsync();
-            LaunchHandle(JsonConvert.DeserializeObject<Update>(body));
+            LaunchHandle(JsonSerializer.Deserialize<Update>(body));
             return Ok();
         }
 

Core/Core.csproj

@@ -4,11 +4,11 @@
         <TargetFramework>net8.0</TargetFramework>
         <AssemblyName>TelegramBot</AssemblyName>
         <RootNamespace>Kruzya.TelegramBot.Core</RootNamespace>
+        <Nullable>enable</Nullable>
     </PropertyGroup>
 
     <PropertyGroup Condition=" '$(RunConfiguration)' == 'Core' " />
     <ItemGroup>
-      <PackageReference Include="AleXr64.BotFramework" Version="2.0.8-gf720999661" />
       <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="8.0.7">
         <PrivateAssets>all</PrivateAssets>
         <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
@@ -17,6 +17,9 @@
       <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="8.0.7" />
       <PackageReference Include="Pomelo.EntityFrameworkCore.MySql" Version="8.0.2" />
       <PackageReference Include="System.Linq.Async" Version="6.0.1" />
-    </ItemGroup>
 
+	</ItemGroup>
+    <ItemGroup>
+      <ProjectReference Include="..\..\..\AleXr64\Telegram-bot-framework\TGBotFramework\BotFramework\BotFramework.csproj" />
+    </ItemGroup>
 </Project>

Core/Extensions/HttpClientExtension.cs

@@ -1,21 +1,21 @@
 using System;
 using System.Net.Http;
+using System.Text.Json;
 using System.Threading.Tasks;
-using Newtonsoft.Json;
 
 namespace Kruzya.TelegramBot.Core.Extensions;
 
 public static class HttpClientExtension
 {
-    public static async Task<T> GetJsonAsync<T>(this HttpClient client, Uri requestUri)
+    public static async Task<T?> GetJsonAsync<T>(this HttpClient client, Uri requestUri)
     {
         var response = await client.GetStringAsync(requestUri);
-        return JsonConvert.DeserializeObject<T>(response);
+        return JsonSerializer.Deserialize<T>(response);
     }
 
-    public static async Task<T> GetJsonAsync<T>(this HttpClient client, string requestUri)
+    public static async Task<T?> GetJsonAsync<T>(this HttpClient client, string requestUri)
     {
         var response = await client.GetStringAsync(requestUri);
-        return JsonConvert.DeserializeObject<T>(response);
+        return JsonSerializer.Deserialize<T>(response);
     }
 }

Core/Handler/CommonHandler.cs

@@ -26,8 +26,8 @@ public abstract class CommonHandler : BotEventHandler
 
     protected virtual async Task<Message> Reply(string text)
     {
-        return await Bot.SendTextMessageAsync(Chat.Id, text,
-            replyToMessageId: Message?.MessageId, parseMode: ParseMode.Html);
+        return await Bot.SendMessage(Chat.Id, text,
+            replyParameters: Message?.MessageId, parseMode: ParseMode.Html);
     }
 
     protected async Task<bool> CanPunish()
@@ -38,14 +38,14 @@ public abstract class CommonHandler : BotEventHandler
 
     protected async Task BanMember(long userId, DateTime banEnd)
     {
-        await Bot.RestrictChatMemberAsync(
+        await Bot.RestrictChatMember(
             Chat.Id,
             userId,
             new ChatPermissions
             {
                 CanSendMessages = false
             },
-            banEnd
+            untilDate: banEnd
         );
     }