private async Task <TaggedLink> AnalyzeLinkAsync(Uri url, bool onlyHeaders = true)
{
var link = new TaggedLink();
using (var client = new HttpClient())
{
var responseMessage = await client.GetAsync(url, HttpCompletionOption.ResponseHeadersRead);
link.Url = responseMessage.RequestMessage.RequestUri;
if (!(onlyHeaders) && responseMessage.Content.Headers.ContentType.MediaType.StartsWith("text/html"))
{
string html;
using (var stream = await responseMessage.Content.ReadAsStreamAsync())
using (var reader = new StreamReader(stream, true))
{
html = await reader.ReadToEndAsync();
}
var regex = new Regex(@"(?<=<title.*?>)(.*?)(?=</title>)", RegexOptions.IgnoreCase);
link.Title = regex.Match(html).Value.Trim();
}
}
return(link);
}
public static JsonApiLinkResource Create(TaggedLink link)
{
return(new JsonApiLinkResource
{
Attributes = new JsonApiLinkAttributes
{
Tags = string.Join(',', link.Tags),
Title = link.Title,
Url = link.Url.OriginalString,
},
Id = link.Id.ToString(),
Links = CreateLinks(link.Id.ToString()),
});
}