Переделал всё на DI

BotService.cs

@@ -1,13 +1,10 @@
-using System;
+using Microsoft.Extensions.DependencyInjection;
+using System;
 using System.Collections.Generic;
-using System.Net.Http;
-using System.Text;
 using System.Text.Json;
 using System.Threading;
 using System.Threading.Tasks;
 using Telegram.Bot;
-using Telegram.Bot.Args;
-using Telegram.Bot.Types.ReplyMarkups;
 using ZaoBot.Config;
 
 namespace ZaoBot
@@ -18,42 +15,49 @@ namespace ZaoBot
 		static ITelegramBotClient botClient;
 		Dictionary<long, IUserState> userStates = new Dictionary<long, IUserState>();
 		private OpenHab.OpenHabClient openhab;
+		private IServiceProvider services;
 
 		bool shouldRestart = false;
 
-		public BotService(IConfig config, OpenHab.OpenHabClient openhab)
+		public BotService(IServiceProvider services, IConfig config, OpenHab.OpenHabClient openhab)
 		{
+			this.services = services;
 			this.config = config.Data;
 			this.openhab = openhab;
 		}
 
 		public void Run()
 		{
-			var token = config.RootElement.GetProperty("token").GetString();
+			shouldRestart = false;
-			while (true)
+
+			var botClient = services.GetRequiredService<ITelegramBotClient>();
+
+			using CancellationTokenSource cts = new CancellationTokenSource();
+			try
 			{
-				shouldRestart = false;
-				botClient = new TelegramBotClient(token);
-
-				using CancellationTokenSource cts = new CancellationTokenSource();
-
 				var me = botClient.GetMeAsync().Result;
 				Console.WriteLine($"Hello, World! I am user {me.Id} and my name is {me.FirstName}.");
 				botClient.StartReceiving(
 					updateHandler: OnBotUpdateAsync,
-					pollingErrorHandler: OnPollingError
+					pollingErrorHandler: OnPollingError,
+					cancellationToken: cts.Token
 					);
 				while (!shouldRestart)
 				{
 					Thread.Sleep(1000);
 				}
 			}
+			finally
+			{
+				cts.Cancel();
+			}
 		}
 
 		private Task OnPollingError(ITelegramBotClient bot, Exception exception, CancellationToken cts)
 		{
 			Console.WriteLine("Error on polling: " + exception.Message);
 			Console.WriteLine("Will restart");
+			shouldRestart = true;
 			return Task.CompletedTask;
 		}
 
@@ -72,7 +76,7 @@ namespace ZaoBot
 					}
 					if (state == null)
 					{
-						state = new MainMenuUserState(botClient, config, openhab);
+						state = services.GetService<MainMenuUserState>();
 					}
 					state = await state.ProcessMessage(state, updateInfo);
 					if (state == null)
@@ -81,7 +85,7 @@ namespace ZaoBot
 							chatId: updateInfo.Message.Chat,
 							text: "Я запутался, давайте сначала"
 						);
-						state = new MainMenuUserState(botClient, config, openhab);
+						state = services.GetService<MainMenuUserState>();
 						state = await state.ProcessMessage(state, updateInfo);
 					}
 					userStates[id] = state;

CamerasMenuUserState.cs

@@ -1,4 +1,5 @@
-using System;
+using Microsoft.Extensions.DependencyInjection;
+using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Net;
@@ -7,6 +8,7 @@ using System.Text.Json;
 using System.Threading.Tasks;
 using Telegram.Bot;
 using Telegram.Bot.Types.ReplyMarkups;
+using ZaoBot.Config;
 using ZaoBot.OpenHab;
 
 namespace ZaoBot
@@ -25,14 +27,16 @@ namespace ZaoBot
 		private JsonDocument config;
 		List<CameraConfigData> cameras;
 		OpenHabClient openhab;
+		IServiceProvider services;
 
-		public CamerasMenuUserState(ITelegramBotClient botClient, JsonDocument config, OpenHabClient openhab)
+		public CamerasMenuUserState(IServiceProvider services, ITelegramBotClient botClient, IConfig config, OpenHabClient openhab)
 		{
 			this.botClient = botClient;
-			this.config = config;
+			this.config = config.Data;
 			this.openhab = openhab;
+			this.services = services;
 			cameras = new List<CameraConfigData>();
-			foreach (var element in config.RootElement.GetProperty("cameras").EnumerateObject())
+			foreach (var element in this.config.RootElement.GetProperty("cameras").EnumerateObject())
 			{
 				var cam = new CameraConfigData()
 				{
@@ -47,7 +51,7 @@ namespace ZaoBot
 		{
 			if (e.Message.Text == CMD_BACK)
 			{
-				var newState = new MainMenuUserState(botClient, config, openhab);
+				var newState = services.GetRequiredService<MainMenuUserState>();
 				await newState.ProcessMessage(this, e);
 				return newState;
 			}

MainMenuUserState.cs

@@ -1,12 +1,12 @@
-using System;
+using Microsoft.Extensions.DependencyInjection;
+using System;
 using System.Collections.Generic;
 using System.Net.Http;
-using System.Text;
 using System.Text.Json;
 using System.Threading.Tasks;
 using Telegram.Bot;
-using Telegram.Bot.Args;
 using Telegram.Bot.Types.ReplyMarkups;
+using ZaoBot.Config;
 using ZaoBot.OpenHab;
 
 namespace ZaoBot
@@ -23,11 +23,13 @@ namespace ZaoBot
 		private JsonDocument config;
 		HttpClient http = new HttpClient();
 		OpenHabClient openhab;
+		IServiceProvider services;
 
-		public MainMenuUserState(ITelegramBotClient botClient, JsonDocument config, OpenHabClient openhab)
+		public MainMenuUserState(IServiceProvider services, ITelegramBotClient botClient, IConfig config, OpenHabClient openhab)
 		{
+			this.services = services;
 			this.botClient = botClient;
-			this.config = config;
+			this.config = config.Data;
 			this.openhab = openhab;
 		}
 
@@ -61,13 +63,13 @@ namespace ZaoBot
 				}
 				else if (e.Message.Text == CMD_STATUS)
 				{
-					var newState = new StatusMenuUserState(botClient, config, openhab);
+					var newState = services.GetRequiredService<StatusMenuUserState>();
 					await newState.ProcessMessage(this, e);
 					return newState;
 				}
 				else if (e.Message.Text == CMD_CAMERAS)
 				{
-					var newState = new CamerasMenuUserState(botClient, config, openhab);
+					var newState = services.GetRequiredService<CamerasMenuUserState>();
 					await newState.ProcessMessage(this, e);
 					return newState;
 				}

Program.cs

@@ -5,6 +5,7 @@ using System.IO;
 using System.Reflection;
 using System.Text.Json;
 using System.Threading;
+using Telegram.Bot;
 using ZaoBot.Config;
 using ZaoBot.OpenHab;
 
@@ -23,9 +24,16 @@ namespace ZaoBot
 			config = LoadConfig();
 			services = new ServiceCollection();
 			services.AddSingleton<IConfig, Config.Config>(CreateConfig);
-			services.AddSingleton<BotService, BotService>();
 			services.AddSingleton<OpenHabClient, OpenHabClient>();
 			services.AddSingleton<NotificationReceiver, NotificationReceiver>();
+
+			services.AddScoped<BotService, BotService>();
+			services.AddScoped<IServiceProvider, IServiceProvider>(p => p);
+			services.AddScoped<ITelegramBotClient, TelegramBotClient>(CreateTelegramBot);
+			
+			services.AddTransient<MainMenuUserState, MainMenuUserState>();
+			services.AddTransient<StatusMenuUserState, StatusMenuUserState>();
+			services.AddTransient<CamerasMenuUserState, CamerasMenuUserState>();
 			using (var provider = services.BuildServiceProvider())
 			{
 				var receiver = provider.GetRequiredService<NotificationReceiver>();
@@ -35,8 +43,11 @@ namespace ZaoBot
 				{
 					try
 					{
-						bot = provider.GetRequiredService<BotService>();
+						using (var scope = provider.CreateScope())
-						bot.Run();
+						{
+							bot = scope.ServiceProvider.GetRequiredService<BotService>();
+							bot.Run();
+						}
 					}
 					catch (Exception e)
 					{
@@ -49,6 +60,12 @@ namespace ZaoBot
 			}
 		}
 
+		private static TelegramBotClient CreateTelegramBot(IServiceProvider arg)
+		{
+			var token = config.RootElement.GetProperty("token").GetString();
+			return new TelegramBotClient(token);
+		}
+
 		private static Config.Config CreateConfig(IServiceProvider arg)
 		{
 			return new Config.Config(config);

StatusMenuUserState.cs

@@ -1,4 +1,5 @@
-using System;
+using Microsoft.Extensions.DependencyInjection;
+using System;
 using System.Collections.Generic;
 using System.Net.Http;
 using System.Text;
@@ -7,6 +8,7 @@ using System.Threading.Tasks;
 using Telegram.Bot;
 using Telegram.Bot.Args;
 using Telegram.Bot.Types.ReplyMarkups;
+using ZaoBot.Config;
 using ZaoBot.OpenHab;
 
 namespace ZaoBot
@@ -19,12 +21,14 @@ namespace ZaoBot
 		private JsonDocument config;
 		HttpClient http = new HttpClient();
 		OpenHabClient openhab;
+		IServiceProvider services;
 
-		public StatusMenuUserState(ITelegramBotClient botClient, JsonDocument config, OpenHabClient openhab)
+		public StatusMenuUserState(IServiceProvider services, ITelegramBotClient botClient, IConfig config, OpenHabClient openhab)
 		{
 			this.botClient = botClient;
-			this.config = config;
+			this.config = config.Data;
 			this.openhab = openhab;
+			this.services = services;
 		}
 
 		public async Task<IUserState> ProcessMessage(IUserState previous, Telegram.Bot.Types.Update e)
@@ -47,7 +51,7 @@ namespace ZaoBot
 			}
 			else if (e.Message.Text == CMD_BACK)
 			{
-				var newState = new MainMenuUserState(botClient, config, openhab);
+				var newState = services.GetRequiredService<MainMenuUserState>();
 				await newState.ProcessMessage(this, e);
 				return newState;
 			}