public ActionResult ShorterURL(string longUrl)
{
db.Configuration.ProxyCreationEnabled = false;
if (string.IsNullOrEmpty(longUrl))
return Json(new { status = false, message = "Please provide URL" }, JsonRequestBehavior.AllowGet);
else
{
if (!new URL().HasHTTPProtocol(longUrl))
longUrl = "http://" + longUrl;
// Check if long URL already exists in the database
URL existingURL = db.Urls.Where(u => u.LongUrl.ToLower() == longUrl.ToLower()).FirstOrDefault();
// if the long url doesnt yet exist
if (existingURL == null)
{
URL shortUrl = new URL()
{
LongUrl = longUrl,
GeneratedDate = DateTime.UtcNow,
Hits = 0
};
string userId = User.Identity.GetUserId();
if (shortUrl.CheckLongUrlExists()) // goes to the site to check its valid
{
// Main work happens here
var prevItem = db.Urls.OrderByDescending(s => s.UrlId).FirstOrDefault();
int nextItemId = prevItem != null ? prevItem.UrlId + 1 : 1;
string result = URL.Encode(nextItemId);
shortUrl.AssignShortUrl(result);
//assigning userId
if (!string.IsNullOrEmpty(userId))
shortUrl.UserId = userId;
try
{
//adding it to the database
db.Urls.Add(shortUrl);
db.SaveChanges();
shortUrl.ShortUrl = Request.Url.Scheme + "://" + Request.Url.Authority + "/" + shortUrl.ShortUrl;
return Json(new { status = true, url = shortUrl }, JsonRequestBehavior.AllowGet);
}
catch (Exception exc)
{
log.Error(exc);
return Json(new { status = false, message = exc.Message }, JsonRequestBehavior.AllowGet);
}
}
else
return Json(new { status = false, message = "Not valid URL provided" }, JsonRequestBehavior.AllowGet);
} // if the long url already exists
else
{
existingURL.ShortUrl = Request.Url.Scheme + "://" + Request.Url.Authority + "/" + existingURL.ShortUrl;
return Json(new { status = true, url = existingURL }, JsonRequestBehavior.AllowGet);
}
}
}
public ActionResult ShorterURL(string longUrl)
{
if (string.IsNullOrEmpty(longUrl))
return Json(new { status = false, message = "Please provide URL" }, JsonRequestBehavior.AllowGet);
else
{
if (!new URL().HasHTTPProtocol(longUrl))
longUrl = "http://" + longUrl;
// Check if long URL already exists in the database
URL existingURL = db.Urls.Where(u => u.LongUrl.ToLower() == longUrl.ToLower()).FirstOrDefault();
if (existingURL == null)
{
URL shortUrl = new URL()
{
LongUrl = longUrl,
GeneratedDate = DateTime.UtcNow,
Hits = 0
};
string userId = User.Identity.GetUserId();
if (shortUrl.CheckLongUrlExists())
{
shortUrl.GenerateRandomShortUrl();
if (!string.IsNullOrEmpty(userId)) // only if user is authorized
shortUrl.UserId = userId;
db.Urls.Add(shortUrl);
try
{
db.SaveChanges();
shortUrl.ShortUrl = Request.Url.Scheme + "://" + Request.Url.Authority + "/" + shortUrl.ShortUrl;
return Json(new { status = true, url = shortUrl }, JsonRequestBehavior.AllowGet);
}
catch (Exception exc)
{
log.Error(exc);
return Json(new { status = false, message = exc.Message }, JsonRequestBehavior.AllowGet);
}
}
else
return Json(new { status = false, message = "Not valid URL provided" }, JsonRequestBehavior.AllowGet);
}
else
{
existingURL.ShortUrl = Request.Url.Scheme + "://" + Request.Url.Authority + "/" + existingURL.ShortUrl;
return Json(new { status = true, url = existingURL }, JsonRequestBehavior.AllowGet);
}
}
}
