public async Task <ShortenResponseContract> HandleAsync(ShortenRequestContract contract, string sessionId)
{
var shortUrl = ShortenUrlHelper.GetRandomString();
while (await _shortenerService.GetByShortUrl(shortUrl) != null)
{
shortUrl = ShortenUrlHelper.GetRandomString();
}
var doc = new UrlDocument
{
Created = DateTime.UtcNow,
SessionId = sessionId,
LongUrl = contract.LongUrl,
ShortUrl = shortUrl,
};
_shortenerService.SaveNewUrl(doc);
return(new ShortenResponseContract
{
ShortUrl = shortUrl,
});
}