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BMA.EHR.Placement.Service/ErrorHandlerMiddleware.cs

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+using BMA.EHR.Domain.Common;
+using BMA.EHR.Domain.Shared;
+using System.Net;
+
+namespace BMA.EHR.MetaData.Service
+{
+    public class ErrorHandlerMiddleware
+    {
+        #region " Fields "
+
+        private readonly RequestDelegate _next;
+
+        #endregion
+
+        #region " Constructor and Destructor "
+
+        public ErrorHandlerMiddleware(RequestDelegate next)
+        {
+            _next = next;
+        }
+
+        #endregion
+
+        #region " Methods "
+
+        public async Task Invoke(HttpContext context)
+        {
+            try
+            {
+                await _next(context);
+
+                var response = context.Response;
+                response.ContentType = "application/json";
+
+                var responseModel = new ResponseObject();
+                responseModel.Status = response.StatusCode;
+
+                if (responseModel.Status == (int)HttpStatusCode.Unauthorized)
+                {
+                    responseModel.Message = GlobalMessages.NotAuthorized;
+                    await response.WriteAsJsonAsync(responseModel);
+                }
+                if (responseModel.Status == (int)HttpStatusCode.Forbidden)
+                {
+                    responseModel.Message = GlobalMessages.ForbiddenAccess;
+                    await response.WriteAsJsonAsync(responseModel);
+                }
+            }
+            catch (Exception error)
+            {
+                var response = context.Response;
+                response.ContentType = "application/json";
+
+                var responseModel = new ResponseObject();
+                responseModel.Status = response.StatusCode;
+                var msg = error.Message;
+                var inner = error.InnerException;
+                while (inner != null)
+                {
+                    msg += $" {inner.Message}\r\n";
+                    inner = inner.InnerException;
+                }
+                responseModel.Result = msg;
+
+                switch (response.StatusCode)
+                {
+                    case (int)HttpStatusCode.Unauthorized:
+                        responseModel.Message = GlobalMessages.NotAuthorized;
+                        break;
+                    case (int)HttpStatusCode.Forbidden:
+                        responseModel.Message = GlobalMessages.ForbiddenAccess;
+                        break;
+                    default:
+                        responseModel.Status = (int)HttpStatusCode.InternalServerError;
+                        responseModel.Message = GlobalMessages.ExceptionOccured;
+                        break;
+                }
+                await response.WriteAsJsonAsync(responseModel);
+            }
+        }
+
+        #endregion
+    }
+}