internal override string Execute(NameValueCollection commandParameters)
{
int categoryID;
int startPageNo;
int endPageNo;
string sortBy;
string sortByEnumString;
int userID;
if (!Helper.TryGetUserID(_session, out userID))
{
userID = -1;
}
string error = ValidateIntParameter(commandParameters, "categoryId", out categoryID);
if (error != String.Empty)
{
return(error);
}
error = ValidateIntParameter(commandParameters, "startPageNo", out startPageNo);
if (error != String.Empty)
{
return(error);
}
error = ValidateIntParameter(commandParameters, "endPageNo", out endPageNo);
if (error != String.Empty)
{
return(error);
}
error = ValidateStringParameter(commandParameters, "sortBy", out sortBy);
if (error != String.Empty)
{
return(error);
}
error = GetSortChannelsByFromConfig(sortBy, out sortByEnumString);
if (error != String.Empty)
{
return(error);
}
// validate Sort By enum
SortChannelsBy sortChannelsBy;
error = TryParseSortChannelsBy(typeof(SortChannelsBy), sortByEnumString, out sortChannelsBy);
if (error != String.Empty)
{
return(error);
}
PageChannelData pageChannelData;
BLClient client = null;
// call WCF BLL Method
try
{
client = new BLClient();
pageChannelData = client.GetChannelListByCategoryID(userID, categoryID, startPageNo, endPageNo, sortChannelsBy);
}
catch (Exception exception)
{
return(ErrorWrapper.SendError(exception.Message));
}
finally
{
if (client != null)
{
client.Dispose();
}
}
return(Flatten(pageChannelData));
}