public async Task Invoke(HttpContext httpContext, IUserAgentService userAgentService,
WrinkMeDataContext context)
{
var uaHeader = StringValues.Empty;
httpContext.Request.Headers.TryGetValue("User-Agent", out uaHeader);
var parsedUserAgent = userAgentService.ParseUserAgent(uaHeader);
if (httpContext.Request.Path.ToString().Length == 9)
{
var token = httpContext.Request.Path.ToString().Substring(1);
var shortUrl = context.ShortUrls
.Include(s => s.Requests)
.FirstOrDefault(su => su.Token == token);
if (shortUrl != null)
{
shortUrl.Requests.Add(parsedUserAgent);
await context.SaveChangesAsync();
httpContext.Response.Redirect(shortUrl.OriginalUrl.ToString());
}
else
{
httpContext.Response.Redirect(httpContext.Request.Host.ToString());
}
}
await _next(httpContext);
}
