public async Task <CombResponse> Brush(CombRequest request)
{
var response = Validate(request, new CombResponse());
if (!response.Success)
{
return(response);
}
var urlDomain = GetUrlDomain(request);
var link = new CombLink(request.Url, urlDomain);
await Brush(link, urlDomain, request.Depth);
response.Result = link;
return(response);
}
private CombResponse Validate(CombRequest request, CombResponse response)
{
try
{
if (string.IsNullOrEmpty(request.Url) ||
!request.Url.StartsWith(Uri.UriSchemeHttp) ||
!Uri.IsWellFormedUriString(request.Url, UriKind.RelativeOrAbsolute) ||
string.IsNullOrEmpty(GetUrlDomain(request)))
{
response.Errors.Add("Invalid Url");
}
}
catch
{
response.Errors.Add("Invalid Url");
}
return(response);
}
private string GetUrlDomain(CombRequest request)
{
return(new Uri(request.Url).GetLeftPart(UriPartial.Authority));
}