public static async Task <HttpResponseMessage> Run(HttpRequestMessage req, string shortCode)
{
var service = new ShortenerService();
string longUrl = await service.GetLongUrlAsync(shortCode);
if (string.IsNullOrEmpty(longUrl))
{
return(req.CreateResponse(HttpStatusCode.NotFound));
}
// analytics
string clientIp = GetClientIpAddress(req);
await service.LogView(shortCode, longUrl, req.Headers.UserAgent.ToString(), clientIp);
var response = req.CreateResponse(HttpStatusCode.Redirect);
response.Headers.Add("Location", longUrl);
return(response);
}
