/// <summary>
/// Unmarshaller the response from the service to the response class.
/// </summary>
/// <param name="context"></param>
/// <returns></returns>
public override AmazonWebServiceResponse Unmarshall(JsonUnmarshallerContext context)
{
UntagResponse response = new UntagResponse();
context.Read();
int targetDepth = context.CurrentDepth;
while (context.ReadAtDepth(targetDepth))
{
if (context.TestExpression("Arn", targetDepth))
{
var unmarshaller = StringUnmarshaller.Instance;
response.Arn = unmarshaller.Unmarshall(context);
continue;
}
if (context.TestExpression("Keys", targetDepth))
{
var unmarshaller = new ListUnmarshaller <string, StringUnmarshaller>(StringUnmarshaller.Instance);
response.Keys = unmarshaller.Unmarshall(context);
continue;
}
}
return(response);
}
public async Task <HttpResponseMessage> UntagPost(int postId, int tagId)
{
DAL objData = new DAL();
UntagResponse response = new UntagResponse();
bool isUntagged = false;
try
{
if (postId == 0)
{
response.Message = "postId should be positive integer number.";
throw new ArgumentNullException(string.Format("postId"));
}
else if (tagId == 0)
{
response.Message = "tagId should be positive integer number.";
throw new ArgumentNullException(string.Format("tagId"));
}
if (objData.IsPostExist(postId))
{
if (objData.IsTagOfPost(postId, tagId))
{
isUntagged = objData.UntagPost(postId, tagId);
if (isUntagged)
{
response.Untagged = true;
response.Message = "Post is untagged successfully.";
return(await Task.Run(() => Request.CreateResponse(HttpStatusCode.OK, response)));
}
}
else
{
response.Message = "Tag does not belong to post";
throw new ArgumentOutOfRangeException(string.Format("tagId"));
}
}
else
{
response.Message = "Post does not exist.";
throw new ArgumentOutOfRangeException(string.Format("postId"));
}
response.Untagged = false;
response.Message = "Something went wrong.";
return(Request.CreateResponse(HttpStatusCode.InternalServerError, response));
}
catch (ArgumentException ex)
{
response.Untagged = false;
response.exception = ex.GetType().ToString() + " ~" + ex.Message.ToString();
return(Request.CreateResponse(HttpStatusCode.BadRequest, response));
}
catch (Exception ex)
{
response.Untagged = false;
response.exception = ex.GetType().ToString() + " ~" + ex.Message.ToString();
response.Message = "Something Went wrong.";
return(Request.CreateResponse(HttpStatusCode.InternalServerError, response));
}
}
