async Task <UserMessageDataModel> LoadUserMessageDataAsync(int userId, int limitCount, CancellationTokenSource cts)
{
var listData = new ObservableCollection <UserMessageItemModel>();
int total = 0;
// 读取数据
string url = string.Format("http://www.hi-pda.com/forum/pm.php?uid={0}&filter=privatepm&daterange=5&_={1}", userId, DateTime.Now.Ticks.ToString("x"));
string htmlContent = await _httpClient.GetAsync(url, cts);
// 实例化 HtmlAgilityPack.HtmlDocument 对象
HtmlDocument doc = new HtmlDocument();
// 载入HTML
doc.LoadHtml(htmlContent);
// 最先读取提醒数据
var promptContentNode = doc.DocumentNode.Descendants().FirstOrDefault(n => n.Name.Equals("div") && n.GetAttributeValue("class", "").Equals("promptcontent"));
PromptService.GetPromptData(promptContentNode);
var messageListNode = doc.DocumentNode.Descendants().FirstOrDefault(n => n.GetAttributeValue("class", "").Equals("pm_list"));
if (messageListNode != null)
{
var nodeList = messageListNode.Descendants().Where(n => n.GetAttributeValue("id", "").StartsWith("pm_"));
if (nodeList != null)
{
total = nodeList.Count();
if (limitCount != -1 && total > limitCount)
{
nodeList = nodeList.Skip(total - limitCount);
}
foreach (var item in nodeList)
{
listData.Add(GetUserMessageItem(item));
}
}
}
// 清除此用户的私信标识为“NEW”状态的 toast temp data
ToastService.ClearPmToastTempData(userId);
return(new UserMessageDataModel {
ListData = listData, Total = total
});
}
