adjustment

Gallery.Share/Sources/Facets/GallerySource.cs

@@ -0,0 +1,73 @@
+using System;
+using System.Collections.Generic;
+using System.Text.RegularExpressions;
+using System.Threading.Tasks;
+using Gallery.Util;
+using Gallery.Util.Interface;
+using Gallery.Util.Model;
+using Xamarin.Forms;
+
+namespace Gallery.Sources.Facets
+{
+    public class GallerySource : GallerySourceBase
+    {
+        public override string Name => "FACETS";
+        public override string Route => "facets";
+        public override string FlyoutIconKey => "Facets";
+        public override string HomePage => "http://www.facets.la";
+
+        public override async Task<IEnumerable<GalleryItem>> GetRecentItemsAsync(int page)
+        {
+            var offset = (page - 1) * 63;
+            var url = $"http://www.facets.la/offset/{offset}/";
+            var (result, error) = await NetHelper.RequestObject(url, @return: content => ResolveGalleryItems(content));
+
+            if (result == null || !string.IsNullOrEmpty(error))
+            {
+                Log.Error("facets.content.load", $"failed to load content array, error: {error}");
+                return null;
+            }
+
+            return result;
+        }
+
+        private GalleryItem[] ResolveGalleryItems(string content)
+        {
+            var regex = new Regex(
+                @"<div id=""piece-(\d+?)""(.|\n)+?<img src=""([^""]+?)"".+?width=""(\d+?)""(.|\n)+?<span [^>]+?>([^<]+?)</span>",
+                RegexOptions.Multiline);
+            var matches = regex.Matches(content);
+            var items = new GalleryItem[matches.Count];
+            for (var i = 0; i < items.Length; i++)
+            {
+                var g = matches[i].Groups;
+                items[i] = new GalleryItem(int.Parse(g[1].Value))
+                {
+                    Tags = new[] { g[6].Value },
+                    //Width = int.Parse(g[4].Value),
+                    Source = Route,
+                    RawUrl = g[3].Value,
+                    PreviewUrl = g[3].Value
+                };
+            }
+            return items;
+        }
+
+        public override void InitDynamicResources(string family, ResourceDictionary light, ResourceDictionary dark)
+        {
+            var icon = new FontImageSource
+            {
+                FontFamily = family,
+                Glyph = "\uf302",
+                Size = 18.0
+            };
+            light.Add(FlyoutIconKey, icon);
+            dark.Add(FlyoutIconKey, icon);
+        }
+
+        public override void SetCookie()
+        {
+            throw new NotImplementedException();
+        }
+    }
+}