Serwer/Serwer.Api/Framework/ExceptionHandlerMiddleware.cs

@@ -0,0 +1,38 @@
+using Microsoft.AspNetCore.Http;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net;
+using System.Threading.Tasks;
+
+namespace Serwer.Api.Framework
+{
+    public class ExceptionHandlerMiddleware
+    {
+        private readonly RequestDelegate _next;
+
+        public ExceptionHandlerMiddleware(RequestDelegate next)
+        {
+            _next = next;
+        }
+
+        public async Task Invoke(HttpContext context)
+        {
+            try
+            {
+                await _next(context);
+            }
+            catch (Exception ex)
+            {
+                await HandleExceptionAsync(context, ex);
+            }
+        }
+
+        private static Task HandleExceptionAsync(HttpContext context, Exception exception)
+        {
+            var statusCode = HttpStatusCode.BadRequest;
+            context.Response.StatusCode = (int)statusCode;
+            return context.Response.WriteAsync($"Error: {exception.Message}");
+        }
+    }
+}

Serwer/Serwer.Api/Startup.cs

@@ -15,6 +15,7 @@ using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
 using Microsoft.IdentityModel.Tokens;
 using Microsoft.OpenApi.Models;
+using Serwer.Api.Framework;
 using Serwer.Core.Repositories;
 using Serwer.Infrastructure.Mappers;
 using Serwer.Infrastructure.Repositories;
@@ -88,7 +89,9 @@ namespace Serwer.Api
             }
             app.UseRouting();
 
-            app.UseAuthentication();
+            app.UseMiddleware(typeof(ExceptionHandlerMiddleware));
+            
+                app.UseAuthentication();
             app.UseAuthorization();
 
             app.UseEndpoints(endpoints =>