refactor to unify data fetching and define abstract API for re-use

Jellyfin.Plugin.SRFPlay/Services/StreamProxyService.cs

@@ -8,6 +8,7 @@ using System.Threading.Tasks;
 using System.Web;
 using Jellyfin.Plugin.SRFPlay.Api;
 using Jellyfin.Plugin.SRFPlay.Configuration;
+using Jellyfin.Plugin.SRFPlay.Services.Interfaces;
 using Microsoft.Extensions.Logging;
 
 namespace Jellyfin.Plugin.SRFPlay.Services;
@@ -15,11 +16,11 @@ namespace Jellyfin.Plugin.SRFPlay.Services;
 /// <summary>
 /// Service for proxying SRF Play streams and managing authentication.
 /// </summary>
-public class StreamProxyService : IDisposable
+public class StreamProxyService : IStreamProxyService, IDisposable
 {
     private readonly ILogger<StreamProxyService> _logger;
-    private readonly ILoggerFactory _loggerFactory;
-    private readonly StreamUrlResolver _streamResolver;
+    private readonly IStreamUrlResolver _streamResolver;
+    private readonly IMediaCompositionFetcher _compositionFetcher;
     private readonly HttpClient _httpClient;
     private readonly ConcurrentDictionary<string, StreamInfo> _streamMappings;
     private bool _disposed;
@@ -28,13 +29,16 @@ public class StreamProxyService : IDisposable
     /// Initializes a new instance of the <see cref="StreamProxyService"/> class.
     /// </summary>
     /// <param name="logger">The logger.</param>
-    /// <param name="loggerFactory">The logger factory (for creating API clients).</param>
     /// <param name="streamResolver">The stream URL resolver.</param>
-    public StreamProxyService(ILogger<StreamProxyService> logger, ILoggerFactory loggerFactory, StreamUrlResolver streamResolver)
+    /// <param name="compositionFetcher">The media composition fetcher.</param>
+    public StreamProxyService(
+        ILogger<StreamProxyService> logger,
+        IStreamUrlResolver streamResolver,
+        IMediaCompositionFetcher compositionFetcher)
     {
         _logger = logger;
-        _loggerFactory = loggerFactory;
         _streamResolver = streamResolver;
+        _compositionFetcher = compositionFetcher;
         _httpClient = new HttpClient
         {
             Timeout = TimeSpan.FromSeconds(30)
@@ -306,8 +310,8 @@ public class StreamProxyService : IDisposable
 
         try
         {
-            using var apiClient = new SRFApiClient(_loggerFactory);
-            var mediaComposition = apiClient.GetMediaCompositionByUrnAsync(streamInfo.Urn, CancellationToken.None)
+            // Use short cache duration (5 min) for livestreams
+            var mediaComposition = _compositionFetcher.GetMediaCompositionAsync(streamInfo.Urn, CancellationToken.None, 5)
                 .GetAwaiter().GetResult();
 
             if (mediaComposition?.ChapterList == null || mediaComposition.ChapterList.Count == 0)