chore: (Tube Player) move logic to service

Author: ajpinedam

reference/TubePlayer/TubePlayer/Business/IYoutubeService.cs

@@ -3,4 +3,6 @@ namespace TubePlayer.Business;
 public interface IYoutubeService
 {
     Task<YoutubeVideoSet> SearchVideos(string searchQuery, string nextPageToken, uint maxResult, CancellationToken ct);
+
+    Task<string?> GetVideoSourceUrl(string videoId, CancellationToken ct);
 }

reference/TubePlayer/TubePlayer/Business/YoutubeService.cs

@@ -3,10 +3,12 @@ namespace TubePlayer.Business;
 public class YoutubeService : IYoutubeService
 {
     private readonly IYoutubeEndpoint _client;
+    private readonly IYoutubePlayerEndpoint _playerClient;
 
-    public YoutubeService(IYoutubeEndpoint client)
+    public YoutubeService(IYoutubeEndpoint client, IYoutubePlayerEndpoint playerClient)
     {
         _client = client;
+        _playerClient = playerClient;
     }
 
     public async Task<YoutubeVideoSet> SearchVideos(string searchQuery, string nextPageToken, uint maxResult, CancellationToken ct)
@@ -67,4 +69,39 @@ public async Task<YoutubeVideoSet> SearchVideos(string searchQuery, string nextP
 
         return new(videoSet.ToImmutableList(), resultData?.NextPageToken ?? string.Empty);
     }
+
+
+    public async Task<string?> GetVideoSourceUrl(string videoId, CancellationToken ct)
+    {
+        var streamVideo = $$"""
+                {
+                    "videoId": "{{videoId}}",
+                    "context": {
+                        "client": {
+                            "clientName": "ANDROID_TESTSUITE",
+                            "clientVersion": "1.9",
+                            "androidSdkVersion": 30,
+                            "hl": "en",
+                            "gl": "US",
+                            "utcOffsetMinutes": 0
+                        }
+                    }
+                }
+                """;
+
+        // Get the available stream data
+        var streamData = await _playerClient.GetStreamData(streamVideo, ct);
+
+        // Get the video stream with the highest video quality
+        var streamWithHighestVideoQuality = streamData.Content?.
+                                                        StreamingData?
+                                                        .Formats?
+                                                        .OrderByDescending(s => s.QualityLabel)
+                                                        .FirstOrDefault();
+
+        // Get the stream URL
+        var streamUrl = streamWithHighestVideoQuality?.Url;
+
+        return streamUrl;
+    }
 }

reference/TubePlayer/TubePlayer/Business/YoutubeServiceMock.cs

@@ -15,6 +15,11 @@ public YoutubeServiceMock(ISerializer serializer)
         _channels = channelsData.Items!.ToDictionary(channel => channel.Id!, StringComparer.OrdinalIgnoreCase);
     }
 
+    public Task<string?> GetVideoSourceUrl(string videoId, CancellationToken ct)
+    {
+        return Task.FromResult<string?>(null);
+    }
+
     public Task<YoutubeVideoSet> SearchVideos(string searchQuery, string nextPageToken, uint maxResult, CancellationToken ct)
     {
         var filtered = _details

reference/TubePlayer/TubePlayer/Presentation/VideoDetailsModel.cs

@@ -1,41 +1,17 @@
 using Windows.Media.Core;
-using TubePlayer.Services;
 
 namespace TubePlayer.Presentation;
 
-public partial record VideoDetailsModel(YoutubeVideo Video, IYoutubePlayerEndpoint YoutubeClient)
+public partial record VideoDetailsModel(YoutubeVideo Video, IYoutubeService YoutubeService)
 {
     public IFeed<MediaSource> VideoSource => Feed.Async(GetVideoSource);
 
     private async ValueTask<MediaSource> GetVideoSource(CancellationToken ct)
     {
-        var streamVideo = $$"""
-                {
-                    "videoId": "{{Video.Id}}",
-                    "context": {
-                        "client": {
-                            "clientName": "ANDROID_TESTSUITE",
-                            "clientVersion": "1.9",
-                            "androidSdkVersion": 30,
-                            "hl": "en",
-                            "gl": "US",
-                            "utcOffsetMinutes": 0
-                        }
-                    }
-                }
-                """;
-
-        // Get the available stream data
-        var streamData = await YoutubeClient.GetStreamData(streamVideo, ct);
-
-        // Get the video stream with the highest video quality
-        var streamWithHighestVideoQuality = streamData.Content?.StreamingData?.Formats?.OrderByDescending(s => s.QualityLabel).FirstOrDefault() ??
-            throw new InvalidOperationException("Input stream collection is empty.");
-
-        // Get the stream URL
-        var streamUrl = streamWithHighestVideoQuality.Url;
+        var streamUrl = await YoutubeService.GetVideoSourceUrl(Video?.Id, ct) 
+            ?? throw new InvalidOperationException("Input stream collection is empty.");
 
         // Return the MediaSource using the stream URL
-        return MediaSource.CreateFromUri(new Uri(streamUrl!));
+        return MediaSource.CreateFromUri(new Uri(streamUrl));
     }
 }