* Moved source code projects directory to 'src'

* Updatedt Solution format

src/Telegrator.Hosting/Providers/HostHandlersProvider.cs

@@ -0,0 +1,46 @@
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+using Telegrator.Handlers.Components;
+using Telegrator.MadiatorCore;
+using Telegrator.MadiatorCore.Descriptors;
+using Telegrator.Providers;
+
+namespace Telegrator.Hosting.Providers
+{
+    /// <inheritdoc/>
+    public class HostHandlersProvider : HandlersProvider
+    {
+        private readonly IServiceProvider Services;
+        private readonly ILogger<HostHandlersProvider> Logger;
+
+        /// <inheritdoc/>
+        public HostHandlersProvider(
+            IHandlersCollection handlers,
+            IOptions<TelegratorOptions> options,
+            IServiceProvider serviceProvider,
+            ILogger<HostHandlersProvider> logger) : base(handlers, options.Value)
+        {
+            Services = serviceProvider;
+            Logger = logger;
+        }
+
+        /// <inheritdoc/>
+        public override UpdateHandlerBase GetHandlerInstance(HandlerDescriptor descriptor, CancellationToken cancellationToken = default)
+        {
+            cancellationToken.ThrowIfCancellationRequested();
+            IServiceScope scope = Services.CreateScope();
+
+            object handlerInstance = descriptor.ServiceKey == null
+                ? scope.ServiceProvider.GetRequiredService(descriptor.HandlerType)
+                : scope.ServiceProvider.GetRequiredKeyedService(descriptor.HandlerType, descriptor.ServiceKey);
+
+            if (handlerInstance is not UpdateHandlerBase updateHandler)
+                throw new InvalidOperationException("Failed to resolve " + descriptor.HandlerType + " as UpdateHandlerBase");
+
+            descriptor.LazyInitialization?.Invoke(updateHandler);
+            updateHandler.LifetimeToken.OnLifetimeEnded += _ => scope.Dispose();
+            return updateHandler;
+        }
+    }
+}