public async Task <IActionResult> OnPostAsync()
{
InputUrl = InputUrl.Trim().ToLower();
string hash = Functions.GenerateRandomHash(5);
var existingUrl = await _urlRepo.GetUrlByOriginalUrl(hash);
do
{
hash = Functions.GenerateRandomHash(5);
var exits = await _urlRepo.GetUrlByShortUrl(hash);
if (exits == null)
{
break;
}
} while (existingUrl != null && hash == existingUrl.ShortUrl);
if (!ModelState.IsValid)
{
Message = "Something went wrong, please try again";
return(Page());
}
else if (!Functions.CheckValidUrl(InputUrl))
{
Message = "Something went wrong, your url is not valid and could not be validated before being posted to the server. Please try again.";
_log.LogWarning("Javascript validation failed.");
return(Page());
}
newUrl.ShortUrl = hash;
newUrl.OriginalUrl = InputUrl;
newUrl.CreatedDate = DateTime.Now;
newUrl.Counter = 0;
newUrl.IP = _accessor.HttpContext.Connection.RemoteIpAddress.ToString();
await _urlRepo.AddUrl(newUrl);
return(RedirectToPage("/Index"));
}
public async Task <IActionResult> s(string hash)
{
theUrl = await _urlRepo.GetUrlByShortUrl(hash);
if (theUrl == null)
{
_log.LogWarning($"Redirect failed. The url could not be found.");
return(Content($"Redirect failed. The url could not be found."));
}
theUrl.Counter = theUrl.Counter + 1;
theUrl.LastAccessed = DateTime.Now;
await _urlRepo.UpdateUrl(theUrl.Id, theUrl);
if (!theUrl.OriginalUrl.Contains("http://") || !theUrl.OriginalUrl.Contains("https://"))
{
return(Redirect("http://" + theUrl.OriginalUrl));
}
return(Redirect(theUrl.OriginalUrl));
}
