OPDS Cleanup (#534)

* Fixed opds url display

* Rewrote how stat collection works, now we check in multiple places and always run stat collection in a background thread, to not block main thread.

* Cleaned up the ParseInfoTest to be more verbose

* Added benchmarking

API/Interfaces/ITaskScheduler.cs

@@ -1,4 +1,6 @@
-namespace API.Interfaces
+using System.Threading.Tasks;
+
+namespace API.Interfaces
 {
     public interface ITaskScheduler
     {
@@ -6,7 +8,7 @@
         /// For use on Server startup
         /// </summary>
         void ScheduleTasks();
-        void ScheduleStatsTasks();
+        Task ScheduleStatsTasks();
         void ScheduleUpdaterTasks();
         void ScanLibrary(int libraryId, bool forceUpdate = false);
         void CleanupChapters(int[] chapterIds);
@@ -15,5 +17,6 @@
         void RefreshSeriesMetadata(int libraryId, int seriesId);
         void ScanSeries(int libraryId, int seriesId, bool forceUpdate = false);
         void CancelStatsTasks();
+        void RunStatCollection();
     }
 }

API/Interfaces/Services/IStatsService.cs

@@ -6,8 +6,6 @@ namespace API.Interfaces.Services
     public interface IStatsService
     {
         Task PathData(ClientInfoDto clientInfoDto);
-        Task FinalizeStats();
-        Task CollectRelevantData();
         Task CollectAndSendStatsData();
     }
 }