updated for beter media management

app/blueprints/content.py

@@ -19,15 +19,88 @@ content_bp = Blueprint('content', __name__, url_prefix='/content')
 def content_list():
     """Main playlist management page."""
     playlists = Playlist.query.order_by(Playlist.created_at.desc()).all()
-    media_files = Content.query.order_by(Content.uploaded_at.desc()).all()
+    media_files = Content.query.order_by(Content.uploaded_at.desc()).limit(3).all()  # Only last 3
+    total_media_count = Content.query.count()  # Total count for display
     players = Player.query.order_by(Player.name).all()
     
     return render_template('content/content_list_new.html',
                          playlists=playlists,
                          media_files=media_files,
+                         total_media_count=total_media_count,
                          players=players)
 
 
+@content_bp.route('/media-library')
+@login_required
+def media_library():
+    """View all media files in the library."""
+    media_files = Content.query.order_by(Content.uploaded_at.desc()).all()
+    
+    # Group by content type
+    images = [m for m in media_files if m.content_type == 'image']
+    videos = [m for m in media_files if m.content_type == 'video']
+    pdfs = [m for m in media_files if m.content_type == 'pdf']
+    presentations = [m for m in media_files if m.content_type == 'pptx']
+    others = [m for m in media_files if m.content_type not in ['image', 'video', 'pdf', 'pptx']]
+    
+    return render_template('content/media_library.html',
+                         media_files=media_files,
+                         images=images,
+                         videos=videos,
+                         pdfs=pdfs,
+                         presentations=presentations,
+                         others=others)
+
+
+@content_bp.route('/media/<int:media_id>/delete', methods=['POST'])
+@login_required
+def delete_media(media_id: int):
+    """Delete a media file and remove it from all playlists."""
+    try:
+        media = Content.query.get_or_404(media_id)
+        filename = media.filename
+        
+        # Get all playlists containing this media
+        affected_playlists = list(media.playlists.all())
+        
+        # Delete physical file
+        file_path = os.path.join(current_app.config['UPLOAD_FOLDER'], media.filename)
+        if os.path.exists(file_path):
+            os.remove(file_path)
+            log_action('info', f'Deleted physical file: {filename}')
+        
+        # Remove from all playlists (this will cascade properly)
+        db.session.delete(media)
+        
+        # Increment version for all affected playlists
+        for playlist in affected_playlists:
+            playlist.version += 1
+            log_action('info', f'Playlist "{playlist.name}" version updated to {playlist.version} (media removed)')
+        
+        db.session.commit()
+        
+        # Clear cache for affected playlists
+        from app.blueprints.players import get_player_playlist
+        from app.extensions import cache
+        for playlist in affected_playlists:
+            for player in playlist.players:
+                cache.delete_memoized(get_player_playlist, player.id)
+        
+        if affected_playlists:
+            flash(f'Deleted "{filename}" and removed from {len(affected_playlists)} playlist(s). Playlist versions updated.', 'success')
+        else:
+            flash(f'Deleted "{filename}" successfully.', 'success')
+        
+        log_action('info', f'Media deleted: {filename} (affected {len(affected_playlists)} playlists)')
+        
+    except Exception as e:
+        db.session.rollback()
+        log_action('error', f'Error deleting media: {str(e)}')
+        flash(f'Error deleting media: {str(e)}', 'danger')
+    
+    return redirect(url_for('content.media_library'))
+
+
 @content_bp.route('/playlist/create', methods=['POST'])
 @login_required
 def create_playlist():