Clean up OperationResponse method Part 1

Models/OperationResponse.cs

@@ -1,8 +1,25 @@
-namespace CarCareTracker.Models
+using CarCareTracker.Helper;
+
+namespace CarCareTracker.Models
 {
-    public class OperationResponse
+    public class OperationResponseBase
     {
         public bool Success { get; set; }
         public string Message { get; set; }
     }
+    public class OperationResponse: OperationResponseBase
+    {
+        public static OperationResponse Succeed(string message)
+        {
+            return new OperationResponse { Success = true, Message = message };
+        }
+        public static OperationResponse Failed(string message = "")
+        {
+            if (string.IsNullOrWhiteSpace(message))
+            {
+                message = StaticHelper.GenericErrorMessage;
+            }
+            return new OperationResponse { Success = false, Message = message};
+        }
+    }    
 }