public string[] Get(string[] data)
{
if (data.Length == 4)
{
return(GetCategory(data));
}
if (data.Length == 1)
{
return(new string[] { GetTopCategory(data) });
}
string user = data[0];
int listingID = Int32.Parse(data[1]);
if (!Check(listingID))
{
return(new string[] { "Error - not found" });
}
else if (!Check(user))
{
return(new string[] { "Error - unknown user" });
}
else
{
Listing listing = _listings[listingID];
string[] result = listing.GetListingData();
return(result);
}
}