source search refactoring

VDownload.Sources/VDownload.Sources.Common/SourceSearchService.cs

@@ -0,0 +1,65 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Threading.Tasks;
+using VDownload.Models;
+
+namespace VDownload.Sources.Common
+{
+    public interface ISourceSearchService
+    {
+        Task<Video> SearchVideo(string url);
+        Task<Playlist> SearchPlaylist(string url, int maxVideoCount);
+    }
+
+
+
+    public abstract class SourceSearchService : ISourceSearchService
+    {
+        #region PUBLIC METHODS
+
+        public async Task<Video> SearchVideo(string url) 
+        {
+            foreach (SearchRegexVideo regex in GetVideoRegexes())
+            {
+                Match match = regex.Regex.Match(url);
+                if (match.Success)
+                {
+                    string id = match.Groups[1].Value;
+                    Video video = await regex.SearchFunction.Invoke(id);
+                    return video;
+                }
+            }
+            throw new MediaSearchException("Invalid url"); // TODO : Change to string resource
+        }
+
+        public async Task<Playlist> SearchPlaylist(string url, int maxVideoCount)
+        {
+            foreach (SearchRegexPlaylist regex in GetPlaylistRegexes())
+            {
+                Match match = regex.Regex.Match(url);
+                if (match.Success)
+                {
+                    string id = match.Groups[1].Value;
+                    Playlist video = await regex.SearchFunction.Invoke(id, maxVideoCount);
+                    return video;
+                }
+            }
+            throw new MediaSearchException("Invalid url"); // TODO : Change to string resource
+        }
+
+        #endregion
+
+
+
+        #region PRIVATE METHODS
+
+        protected abstract IEnumerable<SearchRegexVideo> GetVideoRegexes();
+
+        protected abstract IEnumerable<SearchRegexPlaylist> GetPlaylistRegexes();
+
+        #endregion
+    }
+}