public static async Task GetTopics(SubCategory subcat)
{
Debug.WriteLine($"Fetching topics from {subcat.Name}");
var topics = await FetchTopics(subcat);
Debug.WriteLine("Updating UI with topics from cat");
await ThreadUI.Invoke(() =>
{
Loc.SubCategory.Topics = topics;
});
}
static async Task<List<SubCategory>> Fetch()
{
var html = await HttpClientHelper.Get(HFRUrl.ForumUrl);
if (string.IsNullOrEmpty(html)) return null;
var htmlDoc = new HtmlDocument();
htmlDoc.LoadHtml(html);
var catsArray =
htmlDoc.DocumentNode.Descendants("td")
.Where(x => x.GetAttributeValue("class", "") == "catCase1")
.ToArray();
if (catsArray == null) return null;
var subcategories = new List<SubCategory>();
foreach (var cat in catsArray)
{
var catNode = cat.Descendants("a").FirstOrDefault(x => x.GetAttributeValue("class", "") == "cCatTopic");
var catName = catNode.InnerText?.CleanFromWeb();
var catUrl = catNode.GetAttributeValue("href", "");
Debug.WriteLine(catName);
var subcatNodes = cat.Descendants("a").Where(x => x.GetAttributeValue("class", "") == "Tableau").ToArray();
var mainSubCategory = new SubCategory();
mainSubCategory.CategoryName = catName;
mainSubCategory.Name = $"{catName}";
mainSubCategory.Url = catUrl;
subcategories.Add(mainSubCategory);
foreach (var subcatNode in subcatNodes)
{
Debug.WriteLine($"--- {subcatNode.InnerText}");
var subCategory = new SubCategory();
subCategory.CategoryName = catName;
subCategory.Name = subcatNode.InnerText.CleanFromWeb();
subCategory.Url = subcatNode.GetAttributeValue("href", "");
subcategories.Add(subCategory);
}
Debug.WriteLine("");
}
return subcategories;
}
static async Task<List<Topic>> FetchTopics(SubCategory subCategory)
{
var url = subCategory.Url.Replace("liste_sujet-1", $"liste_sujet-{Loc.SubCategory.TopicsPage}");
var html = await HttpClientHelper.Get(url);
if (string.IsNullOrEmpty(html)) return null;
var htmlDoc = new HtmlDocument();
htmlDoc.LoadHtml(html);
var topicNodes = htmlDoc.DocumentNode.Descendants("tr").Where(x => x.GetAttributeValue("class", "").Contains("sujet ligne_booleen")).ToArray();
if (topicNodes == null) return null;
var topics = new List<Topic>();
foreach (var topicNode in topicNodes)
{
var topicName = topicNode.Descendants("a").FirstOrDefault(x => x.GetAttributeValue("class", "") == "cCatTopic").InnerText;
var topicAuthor = topicNode.Descendants("td").FirstOrDefault(x => x.GetAttributeValue("class", "").Contains("sujetCase6")).InnerText.Trim();
var topicPageNode = topicNode.Descendants("td").FirstOrDefault(x => x.GetAttributeValue("class", "") == "sujetCase4").InnerText;
var topicPage = 1;
if (!string.IsNullOrEmpty(topicPageNode))
{
int.TryParse(topicPageNode, out topicPage);
if (topicPage == 0)
topicPage = 1;
}
var sujetCase3Node = topicNode.Descendants("td").FirstOrDefault(x => x.GetAttributeValue("class", "") == "sujetCase3");
var topicUrl = sujetCase3Node.Descendants("a").FirstOrDefault(x => x.GetAttributeValue("href", "").StartsWith("/hfr/")).GetAttributeValue("href","");
var topicIsStickyNodes = sujetCase3Node.Descendants("img");
var topicIsSticky = topicIsStickyNodes.FirstOrDefault(x => x.GetAttributeValue("src", "").Contains("flechesticky"));
var topicIsClosed = topicIsStickyNodes.FirstOrDefault(x=>x.GetAttributeValue("alt", "") == "closed");
var topic = new Topic();
topic.TopicName = topicName;
topic.TopicAuthor = topicAuthor;
topic.TopicIsSticky = topicIsSticky != null;
topic.TopicIsClosed = topicIsClosed != null;
topic.TopicNbPage = topicPage;
topic.TopicDrapURI = topicUrl;
topics.Add(topic);
}
return topics;
}