refactor done

Author: vijayinyoutube

lib/Business_Logic/Exceptions/exception_handlers.dart

@@ -11,6 +11,14 @@ class ExceptionHandlers {
       return 'Invalid data format.';
     } else if (error is TimeoutException) {
       return 'Request timedout.';
+    } else if (error is BadRequestException) {
+      return error.message.toString();
+    } else if (error is UnAuthorizedException) {
+      return error.message.toString();
+    } else if (error is NotFoundException) {
+      return error.message.toString();
+    } else if (error is FetchDataException) {
+      return error.message.toString();
     } else {
       return 'Unknown error occured.';
     }

lib/Data/API/base_client.dart

@@ -46,13 +46,13 @@ class BaseClient {
         var responseJson = response.body;
         return responseJson;
       case 400: //Bad request
-        throw BadRequestException(response.body).message.toString();
+        throw BadRequestException(jsonDecode(response.body)['message']);
       case 401: //Unauthorized
-        throw UnAuthorizedException(response.body).message.toString();
+        throw UnAuthorizedException(jsonDecode(response.body)['message']);
       case 403: //Forbidden
-        throw UnAuthorizedException(response.body).message.toString();
+        throw UnAuthorizedException(jsonDecode(response.body)['message']);
       case 404: //Resource Not Found
-        throw NotFoundException(response.body).message.toString();
+        throw NotFoundException(jsonDecode(response.body)['message']);
       case 500: //Internal Server Error
       default:
         throw FetchDataException(