public TirinhaModel(Tirinha tirinha)
: this()
{
title = tirinha.Title;
body = tirinha.Body;
image = tirinha.Image;
link = tirinha.Link;
publicadoEm = tirinha.PublicadoEm;
linkComentarios = tirinha.LinkComentarios;
totalComentarios = tirinha.TotalComentarios;
nova = tirinha.Nova;
}
public Task<IEnumerable<Tirinha>> GetPosts(int page, Func<Tirinha,bool> tirinhaLida)
{
var contentSteam = new MemoryStream();
var taskCompletion = new TaskCompletionSource<IEnumerable<Tirinha>>();
try
{
var webClient = WebRequest.CreateHttp(new Uri(string.Format(URL, page)));
webClient.BeginGetResponse(ar =>
{
var webResponse = webClient.EndGetResponse(ar);
if (ar.IsCompleted)
{
using (var streamReader = new StreamReader(webResponse.GetResponseStream()))
{
var xml = streamReader.ReadToEnd();
foreach (var b in Encoding.UTF8.GetBytes(xml))
contentSteam.WriteByte(b);
contentSteam.Seek(0, SeekOrigin.Begin);
var xDocument = XDocument.Load(contentSteam);
var rss = xDocument.Element("rss");
var wfw = rss.GetNamespaceOfPrefix(@"wfw");
var slash = rss.GetNamespaceOfPrefix(@"slash");
var imagemRegex = new Regex(IMAGEM);
var tirinhas = new List<Tirinha>();
foreach (var item in rss.Element("channel").Elements("item"))
{
string imgHtml = item.Element("description").Value;
string bodyHtml = item.Elements("div").FirstOrDefault(element => element.Attribute("class").Value == "transcription").Value;
string srcImagem = imagemRegex.Match(imgHtml).Groups["imagem"].Value;
string body = bodyHtml;
var tirinha = new Tirinha(
item.Element("title").Value,
body.Replace("<br />", Environment.NewLine),
srcImagem,
item.Element("link").Value,
DateTime.Parse(item.Element("pubDate").Value),
item.Element(XName.Get("commentRss", wfw.NamespaceName)).Value,
int.Parse(item.Element(XName.Get("comments", slash.NamespaceName)).Value)
);
tirinha.Nova = tirinhaLida(tirinha);
tirinhas.Add(tirinha);
}
taskCompletion.SetResult(tirinhas);
}
}
},null);
}
catch (WebException e)
{
taskCompletion.SetException(e);
}
return taskCompletion.Task;
}