Merge pull request #29 from AngeloDotNet/4-status-code-management-502

4 status code management 502

Author: AngeloDotNet

README.md

@@ -26,7 +26,7 @@ A full example is available in the CustomLibrary.ProblemDetails.Sample folder or
 | 422 | UnprocessableEntityException | available |
 | 500 | InternalServerErrorException | available |
 | 501 | NotImplementedException | available |
-| 502 | BadGatewayException | coming soon |
+| 502 | BadGatewayException | available |
 | 503 | ServiceUnavailableException | coming soon |
 | 504 | GatewayTimeoutException | coming soon |
 

src/CustomLibrary.ProblemDetails.Sample/Controllers/TestController.cs

@@ -179,4 +179,18 @@ public async Task<IActionResult> GetExceptionNotImplementedAsync()
             return ResponseException.NotImplemented(HttpContext, exc);
         }
     }
+
+    [HttpGet("BadGateway")]
+    public async Task<IActionResult> GetExceptionBadGatewayAsync()
+    {
+        try
+        {
+            await Task.Delay(500);
+            throw new Exception.BadGatewayException("Bad Gateway");
+        }
+        catch (Exception.BadGatewayException exc)
+        {
+            return ResponseException.BadGateway(HttpContext, exc);
+        }
+    }
 }

src/CustomLibrary.ProblemDetails/Exception/BadGatewayException.cs

@@ -0,0 +1,15 @@
+namespace CustomLibrary.ProblemDetails.Exception;
+public class BadGatewayException : System.Exception
+{
+    public BadGatewayException()
+    {
+    }
+
+    public BadGatewayException(string message) : base(message)
+    {
+    }
+
+    public BadGatewayException(string message, System.Exception innerException) : base(message, innerException)
+    {
+    }
+}

src/CustomLibrary.ProblemDetails/ResponseException.cs

@@ -337,4 +337,32 @@ public static ObjectResult NotImplemented(HttpContext httpContext, System.Except
 
         return result;
     }
+
+    public static ObjectResult BadGateway(HttpContext httpContext, System.Exception exc, List<string> validationError = null)
+    {
+        var statusCode = StatusCodes.Status502BadGateway;
+        var problemDetails = new CustomProblemDetails
+        {
+            Status = statusCode,
+            Detail = exc.Message,
+            Type = $"https://httpstatuses.com/{statusCode}",
+            Instance = httpContext.Request.Path,
+            Title = "BadGateway"
+        };
+
+        problemDetails.Extensions.Add("traceId", Activity.Current?.Id ?? httpContext.TraceIdentifier);
+        //problemDetails.Extensions.Add("errors", exc.Message);
+
+        if (validationError?.Any() ?? false)
+        {
+            problemDetails.Extensions.Add("errors", validationError);
+        }
+
+        var result = new ObjectResult(problemDetails)
+        {
+            StatusCode = statusCode
+        };
+
+        return result;
+    }
 }