private async Task <bool> AddUrlToDb(URL url)
{
var urlInDb = await dataContext.Urls
.FirstOrDefaultAsync(oldUrl => oldUrl.FullUrl == url.FullUrl);
if (urlInDb != null)
{
return(false);
}
var hashids = new Hashids($"{url.FullUrl}");
var id = hashids.Encode(1, 2, 3, 4, 5);
url.ShortUrl = "https://voronintask.ru/go?id=" + id;
dataContext.Add(url);
await dataContext.SaveChangesAsync();
return(true);
}
private async Task <bool> UpdateNumberOfTransitions(URL url)
{
try
{
url.NumberOfTransitions++;
await dataContext.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
return(!dataContext.Urls.Any(e => e.ID == url.ID));
}
return(true);
}