From 9e181c26310160a68c2e098b7cc13a37bd5fcaee Mon Sep 17 00:00:00 2001
From: Legolas2222 <95238358+Legolas2222@users.noreply.github.com>
Date: Thu, 19 Oct 2023 20:44:05 +0200
Subject: [PATCH] Feat: Added Middleware for catching double register error;
 now returns general error. Still needs work

---
 .../Middleware/ErrorHandlingMiddleware.cs     | 32 +++++++++++++++++++
 TodoistClone.Api/Program.cs                   |  6 +++-
 2 files changed, 37 insertions(+), 1 deletion(-)
 create mode 100644 TodoistClone.Api/Middleware/ErrorHandlingMiddleware.cs

diff --git a/TodoistClone.Api/Middleware/ErrorHandlingMiddleware.cs b/TodoistClone.Api/Middleware/ErrorHandlingMiddleware.cs
new file mode 100644
index 000000000000..bead9f3d049b
--- /dev/null
+++ b/TodoistClone.Api/Middleware/ErrorHandlingMiddleware.cs
@@ -0,0 +1,32 @@
+using System.Net;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace TodoistClone.Api.Middleware;
+
+public class ErrorHandlingMiddlware
+{
+    private readonly RequestDelegate _next;
+
+    public ErrorHandlingMiddlware(RequestDelegate next) {
+        _next = next;
+    }
+
+    public async Task Invoke(HttpContext context) {
+        try {
+            await _next(context);
+        }
+        catch (Exception exception) {
+            await HandleExceptionAsync(context, exception);
+        }
+    }
+
+    private static Task HandleExceptionAsync(HttpContext context, Exception exception) {
+        var code = HttpStatusCode.InternalServerError;
+        var result = JsonSerializer.Serialize(new { error = "An error occured while processing your request." });
+        context.Response.ContentType = "application/json";
+        context.Response.StatusCode = (int)code;
+        return context.Response.WriteAsync(result);
+    }
+}
+
diff --git a/TodoistClone.Api/Program.cs b/TodoistClone.Api/Program.cs
index e0063e78a788..b19b444dccc9 100644
--- a/TodoistClone.Api/Program.cs
+++ b/TodoistClone.Api/Program.cs
@@ -1,3 +1,4 @@
+using TodoistClone.Api.Middleware;
 using TodoistClone.Application;
 using TodoistClone.Infrastructure;
 
@@ -22,11 +23,14 @@
 }
 */
 var app = builder.Build();
-
+{
 //app.UseHttpsRedirection();
+app.UseMiddleware<ErrorHandlingMiddlware>();
 
 app.UseAuthorization();
 
 app.MapControllers();
 
 app.Run();
+
+}