Implementata exception status code 422 - close #6

Author: AngeloDotNet

src/CustomLibrary.ProblemDetails/Exception/UnprocessableEntityException.cs

@@ -0,0 +1,16 @@
+namespace CustomLibrary.ProblemDetails.Exception;
+
+public class UnprocessableEntityException : System.Exception
+{
+    public UnprocessableEntityException()
+    {
+    }
+
+    public UnprocessableEntityException(string message) : base(message)
+    {
+    }
+
+    public UnprocessableEntityException(string message, System.Exception innerException) : base(message, innerException)
+    {
+    }
+}

src/CustomLibrary.ProblemDetails/Response/Response.cs

@@ -199,4 +199,26 @@ public static ObjectResult Conflict(HttpContext httpContext, System.Exception ex
 
         return result;
     }
+
+    public static ObjectResult UnprocessableEntity(HttpContext httpContext, System.Exception exc)
+    {
+        var statusCode = StatusCodes.Status422UnprocessableEntity;
+        var problemDetails = new CustomProblemDetails
+        {
+            Status = statusCode,
+            Type = $"https://httpstatuses.com/{statusCode}",
+            Instance = httpContext.Request.Path,
+            Title = "UnprocessableEntity"
+        };
+
+        problemDetails.Extensions.Add("traceId", Activity.Current?.Id ?? httpContext.TraceIdentifier);
+        problemDetails.Extensions.Add("errors", exc.Message);
+
+        var result = new ObjectResult(problemDetails)
+        {
+            StatusCode = statusCode
+        };
+
+        return result;
+    }
 }