Fix errors and add commas,

Controllers/ExampleController.cs

@@ -2,10 +2,23 @@ using Microsoft.AspNetCore.Mvc;
 
 namespace TG_Bot_Template.Controllers
 {
+    /// <summary>
+    /// Example controller
+    /// </summary>
     [ApiController]
     [Route("[controller]")]
     public class ExampleController : ControllerBase
     {
-        
+        /// <summary>
+        /// Just example endpoing
+        /// </summary>
+        /// <returns></returns>
+        [HttpGet("ping")]
+        [Produces("application/json")]
+        [ProducesResponseType(200)]
+        public async Task<IActionResult> Pong()
+        {
+            return Ok("Pong!");
+        }
     }
 }

Program.cs

@@ -1,15 +1,25 @@
 
+using Microsoft.AspNetCore;
+
 namespace TG_Bot_Template
 {
     public class Program
     {
-        public static void Main(string[] args)
+        public static void Main()
         {
-            new WebHostBuilder()
-                .UseKestrel(k => k.ListenAnyIP(80))
-                .UseStartup<Startup>()
+            CreateHostBuilder()
                 .Build()
                 .Run();
         }
+        private static IHostBuilder CreateHostBuilder()
+        {
+            return Host.CreateDefaultBuilder()
+            .ConfigureWebHostDefaults(webHost => {
+                webHost.UseStartup<Startup>();
+                webHost.UseStaticWebAssets();
+                webHost.UseKestrel(kestrelOptions => { kestrelOptions.ListenAnyIP(80); });
+            });
+
+        }
     }
 }

Startup.cs

@@ -3,52 +3,54 @@ using System;
 
 namespace TG_Bot_Template
 {
+    /// <summary>
+    /// Startup class for ASP.NET with setting and configuration
+    /// </summary>
     public class Startup
     {
-        public class Startup
-        {
-            private readonly IConfiguration configuration;
+       
+        private readonly IConfiguration configuration;
             
-            public Startup()
+        public Startup()
+        {
+            configuration = new ConfigurationBuilder()
+                .AddEnvironmentVariables()
+                .AddJsonFile("appsettings.json", optional: true)
+                .Build();
+        }
+
+        public void ConfigureServices(IServiceCollection services)
+        {
+            services.AddControllers();
+            services
+                    .AddSwaggerGen();
+
+            services
+                .AddSingleton(configuration)
+                .AddSingleton(x => x.CreateScope())
+                .AddHostedService<TelegramBotService>();
+
+        }
+
+        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
+        {
+            if (env.IsDevelopment())
             {
-                configuration = new ConfigurationBuilder()
-                    .AddEnvironmentVariables()
-                    .AddJsonFile("appsettings.json", optional: true)
-                    .Build();
-            }
-
-            public void ConfigureServices(IServiceCollection services)
-            {
-                services.AddControllers();
-                services
-                        .AddSwaggerGen();
-
-                services
-                    .AddSingleton(configuration)
-                    .AddSingleton(x => x.CreateScope())
-                    .AddHostedService<TelegramBotService>();
-
-            }
-
-            public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
-            {
-                if (env.IsDevelopment())
+                app.UseDeveloperExceptionPage();
+                app.UseSwagger();
+                app.UseSwagger(c =>
                 {
-                    app.UseDeveloperExceptionPage();
-                    app.UseSwagger();
-                    app.UseSwagger(c =>
-                    {
-                        c.RouteTemplate = "/swagger/v1/swagger.json";
-                    });
-                }
-                app.UseStaticFiles();
-                app.UseRouting();
-                app.UseCors(k => { k.AllowAnyHeader(); k.AllowAnyMethod(); k.AllowAnyOrigin(); k.WithMethods("POST", "GET"); });
-                app.UseEndpoints(endpoints =>
-                {
-                    endpoints.MapControllers();
+                    c.RouteTemplate = "/swagger/v1/swagger.json";
                 });
             }
+            app.UseStaticFiles();
+            app.UseRouting();
+            app.UseCors(k => { k.AllowAnyHeader(); k.AllowAnyMethod(); k.AllowAnyOrigin(); k.WithMethods("POST", "GET"); });
+            app.UseEndpoints(endpoints =>
+            {
+                endpoints.MapControllers();
+            });
         }
+        
     }
 }

TG-Bot-Template.csproj

@@ -8,8 +8,11 @@
     <UserSecretsId>ccd791a8-a7f8-4a86-bcef-1a318801afa4</UserSecretsId>
     <DockerDefaultTargetOS>Linux</DockerDefaultTargetOS>
     <DockerfileContext>.</DockerfileContext>
+	<GenerateDocumentationFile>true</GenerateDocumentationFile>
   </PropertyGroup>
-
+    
+    	    
+	
   <ItemGroup>
     <PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.19.6" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="6.4.0" />

TelegramBotService.cs

@@ -3,13 +3,14 @@ using Telegram.Bot.Types;
 using Telegram.Bot;
 using Telegram.Bot.Polling;
 using Telegram.Bot.Types.Enums;
+using System.Runtime.CompilerServices;
+using Telegram.Bot.Types.InlineQueryResults;
 
 namespace TG_Bot_Template
 {
     public class TelegramBotService(IConfiguration conf, ILogger<TelegramBotService> logger) : TelegramBotClient(conf.GetValue<string>("tg-token")), IHostedService
     {
         private static Dictionary<long, string> _userStates = new Dictionary<long, string>();
-        private static Dictionary<int, string> _giveawaySettingMessages = new();
 
         // For add any property, u should to add it in StartAsync func, like this:
         // _PROPERTY_NAME = PROPERTY_NAME_FROM_CLASS
@@ -40,13 +41,69 @@ namespace TG_Bot_Template
         }
         private static async Task HandleUpdateAsync(ITelegramBotClient botClient, Message message)
         {
+            try
+            {
+                string messageText = message.Text ?? message.Caption;
+                switch (messageText)
+                {
+                    case "/start":
+                        await botClient.SendTextMessageAsync(message.From.Id, "Start");
+                        break;
+
+                    default:
+                        break;
+                }
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError($"{ex.Message}");
+                _logger.LogError($"Stack: {ex.StackTrace}");
+            }
         }
 
         private static async Task QueryUpdateHandler(ITelegramBotClient botClient, CallbackQuery callbackQuery)
-        { }
+        {
+            try
+            {
+                string queryData = callbackQuery.Data;
+                switch (queryData)
+                {
+                    case "test":
+                        await botClient.AnswerCallbackQueryAsync(callbackQuery.Id, "Tested");
+                        break;
+
+                    default:
+                        break;
+                }
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError($"{ex.Message}");
+                _logger.LogError($"Stack: {ex.StackTrace}");
+            }
+        }
 
         private static async Task InlineUpdateHandler(ITelegramBotClient botClient, InlineQuery inlineQuery)
-        { }
+        {
+            try
+            {
+                string inlineData = inlineQuery.Query;
+                switch (inlineData)
+                {
+                    case "test":
+                        await botClient.AnswerInlineQueryAsync(inlineQuery.Id, new InlineQueryResult[] { });
+                        break;
+
+                    default:
+                        break;
+                }
+            }
+            catch (Exception ex)
+            {
+                _logger.LogError($"{ex.Message}");
+                _logger.LogError($"Stack: {ex.StackTrace}");
+            }
+        }
 
 
         public async Task StartAsync(CancellationToken cancellationToken)
@@ -55,7 +112,7 @@ namespace TG_Bot_Template
             // StartReceiving does not block the caller thread. Receiving is done on the ThreadPool.
             ReceiverOptions receiverOptions = new()
             {
-                AllowedUpdates = [UpdateType.Message, UpdateType.CallbackQuery] // receive all update types except ChatMember related updates
+                AllowedUpdates = [UpdateType.Message, UpdateType.CallbackQuery, UpdateType.InlineQuery] // receive all update types except ChatMember related updates
             };
 
             _logger = logger;
@@ -76,7 +133,7 @@ namespace TG_Bot_Template
 
         public async Task StopAsync(CancellationToken cancellationToken)
         {
-            logger.Log(LogLevel.Information, $"Stopping service {this.GetType().Name}");
+            logger.Log(LogLevel.Information, $"Stopping service");
             await this.LogOutAsync(cancellationToken);
         }