public async Task <UrlResponse> CreateShortUrlAsync(UrlModel urlModel)
{
string urlTemp = urlModel.UrlString;
if (!CheckValidUrl(ref urlTemp))
{
return(new UrlResponse()
{
IsSuccessful = false, ErrorMessage = "String passed is not an URL. Please try again"
});
}
urlModel.UrlString = urlTemp;
var authState = await _authenticationStateProvider.GetAuthenticationStateAsync();
var user = authState.User;
DateTime?discardDate = GetDiscardDateFromUserType(user);
//if(urlModel.ShortRelativeUrl == null || !user.IsInRole("premium"))
//{
// //If redirect url already exists in the database return it's short url. Update creation date
// var temp = await _context.UrlEntries.FirstOrDefaultAsync(url => url.RedirectUrl == urlModel.UrlString);
// if (temp != null)
// {
// temp.DiscardDate = discardDate;
// _context.Update(temp);
// await _context.SaveChangesAsync();
// return new UrlResponse(temp.ShortUrl);
// }
//}
var urlEntry = new UrlEntry();
urlEntry.DiscardDate = discardDate;
urlEntry.RedirectUrl = urlModel.UrlString;
if (urlModel.ShortRelativeUrl != null && user.IsInRole("premium"))
{
if (_reservedShortLinks.Contains(urlModel.ShortRelativeUrl))
{
return(new UrlResponse()
{
IsSuccessful = false, ErrorMessage = "Reserved short URL, please try another one"
});
}
if (_context.UrlEntries.Where(url => url.ShortUrl == urlModel.ShortRelativeUrl).Any())
{
return(new UrlResponse()
{
IsSuccessful = false, ErrorMessage = "Passed short URL is already taken"
});
}
else
{
urlEntry.ShortUrl = urlModel.ShortRelativeUrl;
}
}
else
{
//Generate new short url for the url. If it already exists => retry until success
do
{
urlEntry.ShortUrl = GenerateShortUrl();
} while (_context.UrlEntries.Where(url => url.ShortUrl == urlEntry.ShortUrl).Any() || _reservedShortLinks.Contains(urlEntry.ShortUrl));
}
urlEntry.OwnerId = user.Identity.Name;
if (!user.Identity.IsAuthenticated)
{
urlEntry.ShowAds = true;
urlEntry.OwnerId = "";
}
_context.UrlEntries.Add(urlEntry);
await _context.SaveChangesAsync();
return(new UrlResponse(urlEntry.ShortUrl));
}
public UrlEntryResponse(UrlEntry result)
{
Result = result;
IsSuccessful = true;
}