forgot new file -.-

2018-07-14 23:27:12 +02:00
parent eb89784117
commit 5d1f05f91d
1 changed files with 95 additions and 0 deletions
@@ -0,0 +1,95 @@
+using HtmlAgilityPack;
+using PocketSharp.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Web;
+
+namespace PocketSharp
+{
+  /// <summary>
+  /// PocketClient
+  /// </summary>
+  public partial class PocketClient
+  {
+    /// <summary>
+    /// Term to use for trending articles in the Explore() method
+    /// </summary>
+    public const string EXPLORE_TRENDING = "trending";
+
+    /// <summary>
+    /// Term to use for must-read articles in the Explore() method
+    /// </summary>
+    public const string EXPLORE_MUST_READS = "must-reads";
+
+
+    /// <summary>
+    /// Explore Pocket and find interesting articles by a certain topic
+    /// </summary>
+    /// <param name="topic">Term or topic to get articles for</param>
+    /// <param name="cancellationToken"></param>
+    /// <returns></returns>
+    public async Task<IEnumerable<PocketItem>> Explore(string topic, CancellationToken cancellationToken = default(CancellationToken))
+    {
+      List<PocketItem> items = new List<PocketItem>();
+      string html = await RequestAsString("https://getpocket.com/explore/" + HttpUtility.UrlEncode(topic) , cancellationToken);
+
+      var document = new HtmlDocument();
+      document.LoadHtml(html);
+
+      HtmlNodeCollection nodes = document.DocumentNode.SelectNodesByClass("media_item", true);
+
+      if (nodes == null || nodes.Count == 0)
+      {
+        return items;
+      }
+
+      for (int i = 0; i < nodes.Count; i++)
+      {
+        HtmlNode node = nodes[i];
+        PocketItem item = new PocketItem();
+        item.ID = node.Id;
+
+        HtmlNode title = node.Descendants().FirstOrDefault(x => x.HasClass("title"))?.FirstChild;
+
+        if (title == null)
+        {
+          continue;
+        }
+
+        // get uri
+        string uri = title.GetAttributeValue("data-saveurl", null);
+        item.Uri = new Uri(uri);
+
+        // get image        
+        string imageUri = node.SelectNodeByClass("item_image")?.GetAttributeValue("data-thumburl", null);
+        if (!String.IsNullOrEmpty(imageUri))
+        {
+          PocketImage image = new PocketImage();
+          image.Uri = new Uri(imageUri);
+          image.ID = "0";
+          image.ItemID = item.ID;
+          item.Images = new List<PocketImage>() { image };
+        }
+
+        // get basic infos
+        item.Title = title.InnerText;
+        item.Excerpt = node.SelectNodeByClass("excerpt")?.InnerText;
+        item.IsTrending = node.SelectNodeByClass("flag_trending") != null;
+
+        // add published date
+        DateTime publishedDate = DateTime.Now;
+        if (DateTime.TryParse(node.SelectNodeByClass("read_time")?.InnerText, out publishedDate))
+        {
+          item.PublishedTime = publishedDate;
+        }
+
+        items.Add(item);
+      }
+
+      return items;
+    }
+  }
+}