public Tuple <String, Int32> Expand(String hash)
{
var id = ShortenerMathBits.Decode(hash);
var info = _db.GetDetailsFromId(id);
if (!String.IsNullOrEmpty(info.Url))
{
_db.IncrementClickCountById(id);
}
return(new Tuple <String, Int32>(info.Url, (info.Clicks++)));
}
public String Shorten(String url)
{
url = url.StartsWith("http", StringComparison.CurrentCultureIgnoreCase) ? url : String.Format("http://{0}", url);
url = url.ToLower();
var existingId = _db.GetIdForUrl(url);
var id = 0;
if (existingId.HasValue)
{
id = existingId.Value;
}
else
{
id = _db.InsertUrl(url);
}
return(ShortenerMathBits.Encode(id));
}