new_version_init

VDownload.Services/VDownload.Services.Search/SearchService.cs

@@ -0,0 +1,93 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Threading.Tasks;
+using VDownload.Common;
+using VDownload.Common.Exceptions;
+using VDownload.Common.Models;
+using VDownload.Common.Services;
+using VDownload.Sources.Twitch;
+using VDownload.Sources.Twitch.Configuration;
+using VDownload.Sources.Twitch.Search;
+
+namespace VDownload.Services.Search
+{
+    public interface ISearchService
+    {
+        Task<Playlist> SearchPlaylist(string url, int maxVideoCount);
+        Task<Video> SearchVideo(string url);
+    }
+
+
+
+    public class SearchService : ISearchService
+    {
+        #region FIELDS
+
+        private readonly List<(Regex Regex, ISourceSearchService Service)> _urlMappings;
+
+        #endregion
+
+
+
+        #region CONSTRUCTORS
+
+        public SearchService(TwitchConfiguration twitchConfiguration, ITwitchSearchService twitchSearchService)
+        {
+            _urlMappings = new List<(Regex, ISourceSearchService)>();
+            _urlMappings.AddRange(twitchConfiguration.Search.GeneralRegexes.Select(x => (x, (ISourceSearchService)twitchSearchService)));
+        }
+
+        #endregion
+
+
+
+        #region PUBLIC METHODS
+
+        public async Task<Video> SearchVideo(string url)
+        {
+            BaseUrlCheck(url);
+
+            foreach ((Regex Regex, ISourceSearchService Service) mapping in _urlMappings)
+            {
+                if (mapping.Regex.IsMatch(url))
+                {
+                    return await mapping.Service.SearchVideo(url);
+                }
+            }
+            throw new MediaSearchException("Source is not supported");
+        }
+
+        public async Task<Playlist> SearchPlaylist(string url, int maxVideoCount)
+        {
+            BaseUrlCheck(url);
+
+            foreach ((Regex Regex, ISourceSearchService Service) mapping in _urlMappings)
+            {
+                if (mapping.Regex.IsMatch(url))
+                {
+                    return await mapping.Service.SearchPlaylist(url, maxVideoCount);
+                }
+            }
+            throw new MediaSearchException("Source is not supported");
+        }
+
+        #endregion
+
+
+
+        #region PRIVATE METHODS
+
+        private void BaseUrlCheck(string url)
+        {
+            if (string.IsNullOrWhiteSpace(url))
+            {
+                throw new MediaSearchException("Url cannot be empty");
+            }
+        }
+
+        #endregion 
+    }
+}