private void HandleResult(int subjectTotalCount, DoubanResponse resp, Action action)
{
if (resp.RestResponse.StatusCode == HttpStatusCode.OK)
{
System.Windows.Deployment.Current.Dispatcher.BeginInvoke(() =>
{
action();
this.LoadMoreVisibility = this.SearchSubjectList.Count < subjectTotalCount ? Visibility.Visible : Visibility.Collapsed;
this.OnPropertyChanged("LoadMoreVisibility");
this.OnPropertyChanged("SearchSubjectList");
this.IsBusy = false;
});
}
else if (SearchCompleted != null)
{
SearchCompleted(null, new DoubanSearchCompletedEventArgs() { IsSuccess = false });
}
}
public void GetReview(string reviewId, Action<DoubanSubjectReview, DoubanResponse> action)
{
var feedsRequest = (HttpWebRequest)WebRequest.Create(string.Format(m_SubjectReviewUrl, reviewId));
feedsRequest.BeginGetResponse(r =>
{
DoubanResponse doubanResp = new DoubanResponse();
try
{
var httpRequest = (HttpWebRequest)r.AsyncState;
var httpResponse = (HttpWebResponse)httpRequest.EndGetResponse(r);
using (var reader = new StreamReader(httpResponse.GetResponseStream()))
{
DoubanSubjectReview review = new DoubanSubjectReview();
string content = reader.ReadToEnd();
HtmlDocument doc = new HtmlDocument();
doc.LoadHtml(content);
HtmlNode root = doc.DocumentNode;
List<HtmlNode> spanNodes = root.Descendants("span").Where(n => n.HasAttributes && n.Attributes.Contains("property")).ToList();
//标题
review.Title = m_ReviewTitleRegex.Match(content).Groups[1].Value;
review.Title = m_HtmlTagRegex.Replace(review.Title, "").Replace("\n", "").Replace(" ", "");
//评论时间
review.Updated = m_ReviewDateRegex.Match(content).Groups[1].Value;
//评分
review.Rating = new DoubanRating() { Average = spanNodes.Single(i => i.Attributes["property"].Value == "v:rating").InnerText };
//项目名称
review.SubjectTitle = m_ReviewItemRegex.Match(content).Groups[1].Value.Replace("\n", "").Replace(" ", "");
//作者
review.Author = new DoubanAuthor()
{
Name = m_ReviewerRegex.Match(content).Groups[1].Value
};
IEnumerable<HtmlNode> imgs = doc.DocumentNode.Descendants("img").Where(n => n.HasAttributes &&
n.Attributes.Contains("class") && n.Attributes["class"].Value == "pil");
if (imgs.Count() > 0)
{
review.Author.Icon = imgs.ToList()[0].Attributes["src"].Value;
}
else//处理电影评论
{
HtmlNode imgNode = doc.DocumentNode.DescendantNodes().SingleOrDefault(n => n.HasAttributes &&
n.Attributes.Contains("class") && n.Attributes["class"].Value == "main-avatar");
if (imgNode != null && imgNode.HasChildNodes)
{
review.Author.Icon = imgNode.Element("img").Attributes["src"].Value;
}
}
//评论内容,去除html标记
string reviewContent = "";
HtmlNode desc = doc.GetElementbyId("link-report");
if (desc != null)
{
reviewContent = desc.InnerText;
}
review.Content = m_HtmlTagRegex.Replace(reviewContent, "");
doubanResp.RestResponse = new RestResponse() { StatusCode = httpResponse.StatusCode };
action(review, doubanResp);
}
}
catch (Exception ex)
{
doubanResp.RestResponse.ErrorException = ex;
doubanResp.RestResponse.StatusCode = HttpStatusCode.BadRequest;
action(new DoubanSubjectReview(), doubanResp);
}
}, feedsRequest);
}
private void GetTopics(DoubanGroupTopicSearch result, DoubanResponse resp,
string listName, ObservableCollection<DoubanGroupTopic> list,
string loadMoreName,
EventHandler<DoubanSearchCompletedEventArgs> completedEvent)
{
if (resp.RestResponse.StatusCode == HttpStatusCode.OK && result.Topics.Count > 0)
{
System.Windows.Deployment.Current.Dispatcher.BeginInvoke(() =>
{
foreach (var item in result.Topics)
{
item.CommentsCount = item.CommentsCount + "回应";
list.Add(item);
}
int total = !string.IsNullOrEmpty(result.Total) ? int.Parse(result.Total) : 0;
Visibility loadMore = (list.Count < total || result.HasMore) ? Visibility.Visible : Visibility.Collapsed;
SetLoadMoreVisibility(loadMoreName, loadMore);
this.OnPropertyChanged(listName);
});
}
else if (completedEvent != null)
{
System.Windows.Deployment.Current.Dispatcher.BeginInvoke(() =>
{
SetLoadMoreVisibility(loadMoreName, Visibility.Collapsed);
completedEvent(this, new DoubanSearchCompletedEventArgs() { IsSuccess = false });
});
}
}
