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

Jellyfin.Plugin.SRFPlay/ScheduledTasks/ContentRefreshTask.cs

@@ -2,7 +2,7 @@ using System;
 using System.Collections.Generic;
 using System.Threading;
 using System.Threading.Tasks;
-using Jellyfin.Plugin.SRFPlay.Services;
+using Jellyfin.Plugin.SRFPlay.Services.Interfaces;
 using MediaBrowser.Model.Tasks;
 using Microsoft.Extensions.Logging;
 
@@ -14,7 +14,7 @@ namespace Jellyfin.Plugin.SRFPlay.ScheduledTasks;
 public class ContentRefreshTask : IScheduledTask
 {
     private readonly ILogger<ContentRefreshTask> _logger;
-    private readonly ContentRefreshService _contentRefreshService;
+    private readonly IContentRefreshService _contentRefreshService;
 
     /// <summary>
     /// Initializes a new instance of the <see cref="ContentRefreshTask"/> class.
@@ -23,7 +23,7 @@ public class ContentRefreshTask : IScheduledTask
     /// <param name="contentRefreshService">The content refresh service.</param>
     public ContentRefreshTask(
         ILogger<ContentRefreshTask> logger,
-        ContentRefreshService contentRefreshService)
+        IContentRefreshService contentRefreshService)
     {
         _logger = logger;
         _contentRefreshService = contentRefreshService;