Delete cached media files on schedule deletion

Author: justcoding121

src/Bible.Alarm/Services/Media/Interfaces/IMediaCacheService.cs

@@ -12,5 +12,6 @@ public interface IMediaCacheService : IDisposable
     Task<bool> SetupAlarmCacheAsync(int alarmScheduleId);
     Task CleanUpAsync();
     Task<string?> GetOrDownloadTrackUriAsync(PlayItem playItem);
+    Task DeleteScheduleCacheAsync(int scheduleId);
 }
 

src/Bible.Alarm/Services/Media/MediaCacheService.cs

@@ -198,6 +198,31 @@ private Task DeleteFilesAsync(HashSet<string> filePathsToDelete)
         return Task.CompletedTask;
     }
 
+    public async Task DeleteScheduleCacheAsync(int scheduleId)
+    {
+        try
+        {
+            var playlist = await mediaPlayService.NextTracks(scheduleId);
+            var filePathsToDelete = new HashSet<string>();
+
+            foreach (var playItem in playlist)
+            {
+                var cacheFilePath = GetCacheFilePath(playItem.Url);
+                if (await storageService.FileExists(cacheFilePath))
+                {
+                    filePathsToDelete.Add(cacheFilePath);
+                }
+            }
+
+            await DeleteFilesAsync(filePathsToDelete);
+            _logger.Information($"Deleted {filePathsToDelete.Count} cache files for schedule {scheduleId}");
+        }
+        catch (Exception ex)
+        {
+            _logger.Error(ex, $"Error deleting cache files for schedule {scheduleId}");
+        }
+    }
+
     public void Dispose()
     {
         // Note: DbContext instances are now created via IServiceScopeFactory and disposed by the scope

src/Bible.Alarm/Services/Scheduler/SchedulePersistenceService.cs

@@ -1,5 +1,6 @@
 using Bible.Alarm.Common;
 using Bible.Alarm.Services.Scheduler.Interfaces;
+using Bible.Alarm.Services.Media.Interfaces;
 using Bible.Alarm.Database;
 using Bible.Alarm.Models.Schedule;
 using Bible.Alarm.Shared.Database;
@@ -15,13 +16,15 @@ public class SchedulePersistenceService(
     ILogger logger,
     IServiceScopeFactory scopeFactory,
     IAlarmService alarmService,
-    IDispatcher dispatcher)
+    IDispatcher dispatcher,
+    IMediaCacheService mediaCacheService)
     : ISchedulePersistenceService
 {
     private readonly ILogger _logger = logger;
     private readonly IServiceScopeFactory _scopeFactory = scopeFactory;
     private readonly IAlarmService _alarmService = alarmService;
     private readonly IDispatcher _dispatcher = dispatcher;
+    private readonly IMediaCacheService _mediaCacheService = mediaCacheService;
 
     public async Task<bool> SaveScheduleAsync(AlarmSchedule schedule, bool isNewSchedule, bool musicUpdated = true, bool bibleReadingUpdated = true)
     {
@@ -143,6 +146,9 @@ public async Task DeleteScheduleAsync(int scheduleId)
                 return;
             }
 
+            // Delete cached media files for this schedule
+            await _mediaCacheService.DeleteScheduleCacheAsync(scheduleId);
+
             // Delete from database
             await Task.Run(async () =>
             {