cache listenbrainz and update with watchlist

core/listenbrainz_manager.py

@@ -0,0 +1,360 @@
+"""
+ListenBrainz Cache Manager
+Handles caching of ListenBrainz playlists and tracks in local database
+"""
+
+import sqlite3
+import json
+from typing import List, Dict, Optional
+from datetime import datetime
+from pathlib import Path
+from utils.logging_config import get_logger
+from core.listenbrainz_client import ListenBrainzClient
+import requests
+from concurrent.futures import ThreadPoolExecutor, as_completed
+
+logger = get_logger("listenbrainz_manager")
+
+class ListenBrainzManager:
+    """Manages caching of ListenBrainz data in local database"""
+
+    def __init__(self, db_path: str):
+        self.db_path = db_path
+        self.client = ListenBrainzClient()
+
+    def _get_db_connection(self):
+        """Get database connection"""
+        return sqlite3.connect(self.db_path)
+
+    def update_all_playlists(self) -> Dict:
+        """
+        Update all ListenBrainz playlists (created_for, user, collaborative)
+        Returns summary of updates
+        """
+        if not self.client.is_authenticated():
+            logger.warning("ListenBrainz not authenticated, skipping update")
+            return {
+                "success": False,
+                "error": "Not authenticated"
+            }
+
+        logger.info("🔄 Starting ListenBrainz playlists update...")
+
+        summary = {
+            "created_for": {"updated": 0, "skipped": 0, "new": 0},
+            "user": {"updated": 0, "skipped": 0, "new": 0},
+            "collaborative": {"updated": 0, "skipped": 0, "new": 0}
+        }
+
+        # Fetch all playlist types
+        playlist_types = [
+            ("created_for", self.client.get_playlists_created_for_user),
+            ("user", self.client.get_user_playlists),
+            ("collaborative", self.client.get_collaborative_playlists)
+        ]
+
+        for playlist_type, fetch_func in playlist_types:
+            try:
+                playlists = fetch_func()
+                logger.info(f"📋 Fetched {len(playlists)} {playlist_type} playlists")
+
+                for playlist in playlists:
+                    result = self._update_playlist(playlist, playlist_type)
+                    if result == "updated":
+                        summary[playlist_type]["updated"] += 1
+                    elif result == "skipped":
+                        summary[playlist_type]["skipped"] += 1
+                    elif result == "new":
+                        summary[playlist_type]["new"] += 1
+
+            except Exception as e:
+                logger.error(f"Error updating {playlist_type} playlists: {e}")
+
+        logger.info(f"✅ ListenBrainz update complete: {summary}")
+        return {
+            "success": True,
+            "summary": summary
+        }
+
+    def _update_playlist(self, playlist_data: Dict, playlist_type: str) -> str:
+        """
+        Update a single playlist. Returns 'updated', 'skipped', or 'new'
+        Implements smart comparison to avoid unnecessary updates
+        """
+        # Extract playlist metadata
+        playlist = playlist_data.get('playlist', playlist_data)
+        playlist_mbid = playlist.get('identifier', '').split('/')[-1]
+
+        if not playlist_mbid:
+            logger.warning("Playlist missing MBID, skipping")
+            return "skipped"
+
+        title = playlist.get('title', 'Untitled')
+        creator = playlist.get('creator', 'ListenBrainz')
+
+        # Check if playlist has tracks - if not, fetch full details
+        tracks = playlist.get('track', [])
+        if not tracks:
+            logger.debug(f"Fetching full details for playlist '{title}'...")
+            full_playlist = self.client.get_playlist_details(playlist_mbid)
+            if full_playlist:
+                playlist = full_playlist.get('playlist', full_playlist)
+                tracks = playlist.get('track', [])
+
+        track_count = len(tracks)
+
+        # Check if playlist exists in database
+        conn = self._get_db_connection()
+        cursor = conn.cursor()
+
+        cursor.execute("""
+            SELECT id, track_count, last_updated
+            FROM listenbrainz_playlists
+            WHERE playlist_mbid = ?
+        """, (playlist_mbid,))
+
+        existing = cursor.fetchone()
+
+        # Smart comparison: check if update is needed
+        if existing:
+            db_id, db_track_count, last_updated = existing
+
+            # Skip if track count hasn't changed (playlist content likely the same)
+            if db_track_count == track_count:
+                logger.debug(f"✓ Playlist '{title}' unchanged, skipping")
+                conn.close()
+                return "skipped"
+
+            logger.info(f"🔄 Playlist '{title}' changed ({db_track_count} → {track_count} tracks), updating...")
+
+            # Delete old tracks
+            cursor.execute("DELETE FROM listenbrainz_tracks WHERE playlist_id = ?", (db_id,))
+
+            # Update playlist metadata
+            cursor.execute("""
+                UPDATE listenbrainz_playlists
+                SET title = ?, creator = ?, track_count = ?, last_updated = CURRENT_TIMESTAMP
+                WHERE id = ?
+            """, (title, creator, track_count, db_id))
+
+            playlist_id = db_id
+            result_type = "updated"
+
+        else:
+            logger.info(f"➕ New playlist '{title}', adding to database...")
+
+            # Insert new playlist
+            cursor.execute("""
+                INSERT INTO listenbrainz_playlists
+                (playlist_mbid, title, creator, playlist_type, track_count, annotation_data)
+                VALUES (?, ?, ?, ?, ?, ?)
+            """, (
+                playlist_mbid,
+                title,
+                creator,
+                playlist_type,
+                track_count,
+                json.dumps(playlist.get('annotation', {}))
+            ))
+
+            playlist_id = cursor.lastrowid
+            result_type = "new"
+
+        # Fetch and cache tracks with cover art
+        if tracks:
+            self._cache_tracks(playlist_id, playlist_mbid, tracks, cursor)
+
+        conn.commit()
+        conn.close()
+
+        return result_type
+
+    def _cache_tracks(self, playlist_id: int, playlist_mbid: str, tracks: List[Dict], cursor):
+        """
+        Cache tracks for a playlist, including fetching cover art URLs in parallel
+        """
+        logger.info(f"🎵 Caching {len(tracks)} tracks with cover art...")
+
+        # First pass: extract track data
+        track_data_list = []
+        for idx, track in enumerate(tracks):
+            # Get recording MBID
+            recording_mbid = None
+            identifiers = track.get('identifier', [])
+            for identifier in identifiers:
+                if 'musicbrainz.org/recording/' in identifier:
+                    recording_mbid = identifier.split('/')[-1]
+                    break
+
+            # Get extension data
+            extension = track.get('extension', {})
+            mb_data = extension.get('https://musicbrainz.org/doc/jspf#track', {})
+
+            # Extract release MBID for cover art
+            release_mbid = None
+            additional_metadata = mb_data.get('additional_metadata', {})
+            if 'caa_release_mbid' in additional_metadata:
+                release_mbid = additional_metadata['caa_release_mbid']
+
+            track_data = {
+                'position': idx,
+                'track_name': track.get('title', 'Unknown Track'),
+                'artist_name': track.get('creator', 'Unknown Artist'),
+                'album_name': track.get('album', 'Unknown Album'),
+                'duration_ms': track.get('duration', 0),
+                'recording_mbid': recording_mbid,
+                'release_mbid': release_mbid,
+                'album_cover_url': None,  # Will be fetched
+                'additional_metadata': json.dumps(mb_data)
+            }
+
+            track_data_list.append(track_data)
+
+        # Second pass: fetch cover art in parallel
+        self._fetch_cover_art_parallel(track_data_list)
+
+        # Third pass: insert into database
+        for track_data in track_data_list:
+            cursor.execute("""
+                INSERT INTO listenbrainz_tracks
+                (playlist_id, position, track_name, artist_name, album_name,
+                 duration_ms, recording_mbid, release_mbid, album_cover_url, additional_metadata)
+                VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
+            """, (
+                playlist_id,
+                track_data['position'],
+                track_data['track_name'],
+                track_data['artist_name'],
+                track_data['album_name'],
+                track_data['duration_ms'],
+                track_data['recording_mbid'],
+                track_data['release_mbid'],
+                track_data['album_cover_url'],
+                track_data['additional_metadata']
+            ))
+
+    def _fetch_cover_art_parallel(self, track_data_list: List[Dict]):
+        """Fetch cover art URLs in parallel using threading"""
+        def fetch_single_cover(track_data):
+            """Fetch cover art for a single track"""
+            release_mbid = track_data.get('release_mbid')
+            if not release_mbid:
+                return None
+
+            try:
+                url = f"https://coverartarchive.org/release/{release_mbid}"
+                response = requests.get(url, timeout=3)
+
+                if response.status_code == 200:
+                    data = response.json()
+                    images = data.get('images', [])
+
+                    # Get front cover
+                    for img in images:
+                        if img.get('front'):
+                            return img.get('thumbnails', {}).get('small') or img.get('image')
+
+                    # Fallback to first image
+                    if images:
+                        return images[0].get('thumbnails', {}).get('small') or images[0].get('image')
+            except:
+                pass
+
+            return None
+
+        # Fetch up to 10 covers at a time
+        with ThreadPoolExecutor(max_workers=10) as executor:
+            future_to_idx = {
+                executor.submit(fetch_single_cover, track): idx
+                for idx, track in enumerate(track_data_list)
+            }
+
+            for future in as_completed(future_to_idx):
+                idx = future_to_idx[future]
+                try:
+                    cover_url = future.result()
+                    if cover_url:
+                        track_data_list[idx]['album_cover_url'] = cover_url
+                except Exception as e:
+                    logger.debug(f"Error fetching cover for track {idx}: {e}")
+
+        covers_found = sum(1 for t in track_data_list if t.get('album_cover_url'))
+        logger.info(f"✅ Fetched {covers_found}/{len(track_data_list)} cover art URLs")
+
+    def has_cached_playlists(self) -> bool:
+        """Check if there are any cached playlists in the database"""
+        conn = self._get_db_connection()
+        cursor = conn.cursor()
+        cursor.execute("SELECT COUNT(*) FROM listenbrainz_playlists")
+        count = cursor.fetchone()[0]
+        conn.close()
+        return count > 0
+
+    def get_cached_playlists(self, playlist_type: str) -> List[Dict]:
+        """Get cached playlists of a specific type from database"""
+        conn = self._get_db_connection()
+        cursor = conn.cursor()
+
+        cursor.execute("""
+            SELECT id, playlist_mbid, title, creator, track_count, annotation_data, last_updated
+            FROM listenbrainz_playlists
+            WHERE playlist_type = ?
+            ORDER BY last_updated DESC
+        """, (playlist_type,))
+
+        playlists = []
+        for row in cursor.fetchall():
+            playlists.append({
+                "id": row[0],
+                "playlist_mbid": row[1],
+                "title": row[2],
+                "creator": row[3],
+                "track_count": row[4],
+                "annotation": json.loads(row[5]) if row[5] else {},
+                "last_updated": row[6]
+            })
+
+        conn.close()
+        return playlists
+
+    def get_cached_tracks(self, playlist_mbid: str) -> List[Dict]:
+        """Get cached tracks for a playlist from database"""
+        conn = self._get_db_connection()
+        cursor = conn.cursor()
+
+        # Get playlist ID
+        cursor.execute("""
+            SELECT id FROM listenbrainz_playlists WHERE playlist_mbid = ?
+        """, (playlist_mbid,))
+
+        playlist_row = cursor.fetchone()
+        if not playlist_row:
+            conn.close()
+            return []
+
+        playlist_id = playlist_row[0]
+
+        # Get tracks
+        cursor.execute("""
+            SELECT track_name, artist_name, album_name, duration_ms,
+                   recording_mbid, release_mbid, album_cover_url, additional_metadata
+            FROM listenbrainz_tracks
+            WHERE playlist_id = ?
+            ORDER BY position ASC
+        """, (playlist_id,))
+
+        tracks = []
+        for row in cursor.fetchall():
+            tracks.append({
+                "track_name": row[0],
+                "artist_name": row[1],
+                "album_name": row[2],
+                "duration_ms": row[3],
+                "mbid": row[4],  # recording_mbid
+                "release_mbid": row[5],
+                "album_cover_url": row[6],
+                "additional_metadata": json.loads(row[7]) if row[7] else {}
+            })
+
+        conn.close()
+        return tracks

database/music_database.py

@@ -508,6 +508,40 @@ class MusicDatabase:
                 )
             """)
 
+            # ListenBrainz Playlists - cache playlists from ListenBrainz
+            cursor.execute("""
+                CREATE TABLE IF NOT EXISTS listenbrainz_playlists (
+                    id INTEGER PRIMARY KEY AUTOINCREMENT,
+                    playlist_mbid TEXT NOT NULL UNIQUE,
+                    title TEXT NOT NULL,
+                    creator TEXT,
+                    playlist_type TEXT NOT NULL,
+                    track_count INTEGER DEFAULT 0,
+                    annotation_data TEXT,
+                    last_updated TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+                    cached_date TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+                )
+            """)
+
+            # ListenBrainz Tracks - cache tracks for each playlist
+            cursor.execute("""
+                CREATE TABLE IF NOT EXISTS listenbrainz_tracks (
+                    id INTEGER PRIMARY KEY AUTOINCREMENT,
+                    playlist_id INTEGER NOT NULL,
+                    position INTEGER NOT NULL,
+                    track_name TEXT NOT NULL,
+                    artist_name TEXT NOT NULL,
+                    album_name TEXT NOT NULL,
+                    duration_ms INTEGER DEFAULT 0,
+                    recording_mbid TEXT,
+                    release_mbid TEXT,
+                    album_cover_url TEXT,
+                    additional_metadata TEXT,
+                    FOREIGN KEY (playlist_id) REFERENCES listenbrainz_playlists (id) ON DELETE CASCADE,
+                    UNIQUE(playlist_id, position)
+                )
+            """)
+
             # Create indexes for performance
             cursor.execute("CREATE INDEX IF NOT EXISTS idx_similar_artists_source ON similar_artists (source_artist_id)")
             cursor.execute("CREATE INDEX IF NOT EXISTS idx_similar_artists_spotify ON similar_artists (similar_artist_spotify_id)")
@@ -519,6 +553,10 @@ class MusicDatabase:
             cursor.execute("CREATE INDEX IF NOT EXISTS idx_recent_releases_watchlist ON recent_releases (watchlist_artist_id)")
             cursor.execute("CREATE INDEX IF NOT EXISTS idx_recent_releases_date ON recent_releases (release_date)")
             cursor.execute("CREATE INDEX IF NOT EXISTS idx_discovery_recent_albums_date ON discovery_recent_albums (release_date)")
+            cursor.execute("CREATE INDEX IF NOT EXISTS idx_listenbrainz_playlists_type ON listenbrainz_playlists (playlist_type)")
+            cursor.execute("CREATE INDEX IF NOT EXISTS idx_listenbrainz_playlists_mbid ON listenbrainz_playlists (playlist_mbid)")
+            cursor.execute("CREATE INDEX IF NOT EXISTS idx_listenbrainz_tracks_playlist ON listenbrainz_tracks (playlist_id)")
+            cursor.execute("CREATE INDEX IF NOT EXISTS idx_listenbrainz_tracks_position ON listenbrainz_tracks (playlist_id, position)")
             cursor.execute("CREATE INDEX IF NOT EXISTS idx_discovery_recent_albums_artist ON discovery_recent_albums (artist_spotify_id)")
 
             # Add genres column to discovery_pool if it doesn't exist (migration)

web_server.py

@@ -14087,6 +14087,23 @@ def start_watchlist_scan():
                     import traceback
                     traceback.print_exc()
 
+                # Update ListenBrainz playlists cache
+                print("🧠 Starting ListenBrainz playlists update...")
+                watchlist_scan_state['current_phase'] = 'updating_listenbrainz'
+                try:
+                    from core.listenbrainz_manager import ListenBrainzManager
+                    lb_manager = ListenBrainzManager("database/music_library.db")
+                    lb_result = lb_manager.update_all_playlists()
+                    if lb_result.get('success'):
+                        summary = lb_result.get('summary', {})
+                        print(f"✅ ListenBrainz update complete: {summary}")
+                    else:
+                        print(f"⚠️ ListenBrainz update skipped: {lb_result.get('error')}")
+                except Exception as lb_error:
+                    print(f"⚠️ Error updating ListenBrainz: {lb_error}")
+                    import traceback
+                    traceback.print_exc()
+
             except Exception as e:
                 print(f"Error during watchlist scan: {e}")
                 watchlist_scan_state['status'] = 'error'
@@ -15184,91 +15201,204 @@ def get_discover_genre_playlist(genre_name):
 
 @app.route('/api/discover/listenbrainz/created-for', methods=['GET'])
 def get_listenbrainz_created_for():
-    """Get playlists created for the user by ListenBrainz"""
+    """Get playlists created for the user by ListenBrainz (from cache)"""
     try:
-        from core.listenbrainz_client import ListenBrainzClient
+        from core.listenbrainz_manager import ListenBrainzManager
 
-        client = ListenBrainzClient()
+        lb_manager = ListenBrainzManager("database/music_library.db")
 
-        if not client.is_authenticated():
-            return jsonify({
-                "success": False,
-                "error": "Not authenticated with ListenBrainz"
-            }), 401
+        # Check if cache is empty - if so, populate it on first load
+        if not lb_manager.has_cached_playlists():
+            # Check if authenticated
+            if not lb_manager.client.is_authenticated():
+                return jsonify({
+                    "success": False,
+                    "error": "Not authenticated",
+                    "playlists": [],
+                    "count": 0
+                })
 
-        playlists = client.get_playlists_created_for_user(count=25)
+            # Populate cache on first load
+            print("📦 Cache empty, populating ListenBrainz playlists...")
+            lb_manager.update_all_playlists()
+
+        playlists = lb_manager.get_cached_playlists('created_for')
+
+        # Convert to JSPF-like format for frontend compatibility
+        formatted_playlists = []
+        for playlist in playlists:
+            formatted_playlists.append({
+                "playlist": {
+                    "identifier": f"https://listenbrainz.org/playlist/{playlist['playlist_mbid']}",
+                    "title": playlist['title'],
+                    "creator": playlist['creator'],
+                    "annotation": playlist.get('annotation', {}),
+                    "track": []  # Track count is in annotation
+                }
+            })
 
         return jsonify({
             "success": True,
-            "playlists": playlists,
-            "count": len(playlists)
+            "playlists": formatted_playlists,
+            "count": len(formatted_playlists)
         })
 
     except Exception as e:
-        print(f"Error getting ListenBrainz created-for playlists: {e}")
+        print(f"Error getting cached ListenBrainz created-for playlists: {e}")
         import traceback
         traceback.print_exc()
         return jsonify({"success": False, "error": str(e)}), 500
 
 @app.route('/api/discover/listenbrainz/user-playlists', methods=['GET'])
 def get_listenbrainz_user_playlists():
-    """Get user's own ListenBrainz playlists"""
+    """Get user's own ListenBrainz playlists (from cache)"""
     try:
-        from core.listenbrainz_client import ListenBrainzClient
+        from core.listenbrainz_manager import ListenBrainzManager
 
-        client = ListenBrainzClient()
+        lb_manager = ListenBrainzManager("database/music_library.db")
 
-        if not client.is_authenticated():
-            return jsonify({
-                "success": False,
-                "error": "Not authenticated with ListenBrainz"
-            }), 401
+        # Check if cache is empty - if so, populate it on first load
+        if not lb_manager.has_cached_playlists():
+            # Check if authenticated
+            if not lb_manager.client.is_authenticated():
+                return jsonify({
+                    "success": False,
+                    "error": "Not authenticated",
+                    "playlists": [],
+                    "count": 0
+                })
 
-        playlists = client.get_user_playlists(count=25)
+            # Populate cache on first load
+            print("📦 Cache empty, populating ListenBrainz playlists...")
+            lb_manager.update_all_playlists()
+
+        playlists = lb_manager.get_cached_playlists('user')
+
+        # Convert to JSPF-like format for frontend compatibility
+        formatted_playlists = []
+        for playlist in playlists:
+            formatted_playlists.append({
+                "playlist": {
+                    "identifier": f"https://listenbrainz.org/playlist/{playlist['playlist_mbid']}",
+                    "title": playlist['title'],
+                    "creator": playlist['creator'],
+                    "annotation": playlist.get('annotation', {}),
+                    "track": []
+                }
+            })
 
         return jsonify({
             "success": True,
-            "playlists": playlists,
-            "count": len(playlists)
+            "playlists": formatted_playlists,
+            "count": len(formatted_playlists)
         })
 
     except Exception as e:
-        print(f"Error getting ListenBrainz user playlists: {e}")
+        print(f"Error getting cached ListenBrainz user playlists: {e}")
         import traceback
         traceback.print_exc()
         return jsonify({"success": False, "error": str(e)}), 500
 
 @app.route('/api/discover/listenbrainz/collaborative', methods=['GET'])
 def get_listenbrainz_collaborative():
-    """Get collaborative ListenBrainz playlists"""
+    """Get collaborative ListenBrainz playlists (from cache)"""
     try:
-        from core.listenbrainz_client import ListenBrainzClient
+        from core.listenbrainz_manager import ListenBrainzManager
 
-        client = ListenBrainzClient()
+        lb_manager = ListenBrainzManager("database/music_library.db")
 
-        if not client.is_authenticated():
-            return jsonify({
-                "success": False,
-                "error": "Not authenticated with ListenBrainz"
-            }), 401
+        # Check if cache is empty - if so, populate it on first load
+        if not lb_manager.has_cached_playlists():
+            # Check if authenticated
+            if not lb_manager.client.is_authenticated():
+                return jsonify({
+                    "success": False,
+                    "error": "Not authenticated",
+                    "playlists": [],
+                    "count": 0
+                })
 
-        playlists = client.get_collaborative_playlists(count=25)
+            # Populate cache on first load
+            print("📦 Cache empty, populating ListenBrainz playlists...")
+            lb_manager.update_all_playlists()
+
+        playlists = lb_manager.get_cached_playlists('collaborative')
+
+        # Convert to JSPF-like format for frontend compatibility
+        formatted_playlists = []
+        for playlist in playlists:
+            formatted_playlists.append({
+                "playlist": {
+                    "identifier": f"https://listenbrainz.org/playlist/{playlist['playlist_mbid']}",
+                    "title": playlist['title'],
+                    "creator": playlist['creator'],
+                    "annotation": playlist.get('annotation', {}),
+                    "track": []
+                }
+            })
 
         return jsonify({
             "success": True,
-            "playlists": playlists,
-            "count": len(playlists)
+            "playlists": formatted_playlists,
+            "count": len(formatted_playlists)
         })
 
     except Exception as e:
-        print(f"Error getting ListenBrainz collaborative playlists: {e}")
+        print(f"Error getting cached ListenBrainz collaborative playlists: {e}")
         import traceback
         traceback.print_exc()
         return jsonify({"success": False, "error": str(e)}), 500
 
 @app.route('/api/discover/listenbrainz/playlist/<playlist_mbid>', methods=['GET'])
 def get_listenbrainz_playlist_tracks(playlist_mbid):
-    """Get tracks from a specific ListenBrainz playlist"""
+    """Get tracks from a specific ListenBrainz playlist (from cache)"""
+    try:
+        from core.listenbrainz_manager import ListenBrainzManager
+
+        lb_manager = ListenBrainzManager("database/music_library.db")
+        tracks = lb_manager.get_cached_tracks(playlist_mbid)
+
+        if not tracks:
+            return jsonify({
+                "success": False,
+                "error": "Playlist not found in cache"
+            }), 404
+
+        return jsonify({
+            "success": True,
+            "tracks": tracks,
+            "track_count": len(tracks)
+        })
+
+    except Exception as e:
+        print(f"Error getting cached ListenBrainz playlist tracks: {e}")
+        import traceback
+        traceback.print_exc()
+        return jsonify({"success": False, "error": str(e)}), 500
+
+
+# Manual refresh endpoint for ListenBrainz
+@app.route('/api/discover/listenbrainz/refresh', methods=['POST'])
+def refresh_listenbrainz():
+    """Manually refresh ListenBrainz playlists cache"""
+    try:
+        from core.listenbrainz_manager import ListenBrainzManager
+
+        lb_manager = ListenBrainzManager("database/music_library.db")
+        result = lb_manager.update_all_playlists()
+
+        return jsonify(result)
+
+    except Exception as e:
+        print(f"Error refreshing ListenBrainz: {e}")
+        import traceback
+        traceback.print_exc()
+        return jsonify({"success": False, "error": str(e)}), 500
+
+
+# OLD ENDPOINT - REMOVE ALL THE CODE BELOW FOR THE OLD IMPLEMENTATION
+def _old_get_listenbrainz_playlist_tracks_DEPRECATED(playlist_mbid):
+    """DEPRECATED - Old implementation that fetches from API"""
     try:
         from core.listenbrainz_client import ListenBrainzClient
 

webui/index.html

@@ -2137,8 +2137,16 @@
                     <!-- ListenBrainz Playlists (Tabbed) -->
                     <div class="discover-section">
                         <div class="discover-section-header">
-                            <h2 class="discover-section-title">🧠 ListenBrainz Playlists</h2>
-                            <p class="discover-section-subtitle">Playlists from ListenBrainz</p>
+                            <div>
+                                <h2 class="discover-section-title">🧠 ListenBrainz Playlists</h2>
+                                <p class="discover-section-subtitle">Playlists from ListenBrainz</p>
+                            </div>
+                            <div class="discover-section-actions">
+                                <button class="action-button primary" id="listenbrainz-refresh-btn" onclick="refreshListenBrainzPlaylists()" title="Refresh playlists from ListenBrainz">
+                                    <span class="button-icon">🔄</span>
+                                    <span class="button-text">Refresh</span>
+                                </button>
+                            </div>
                         </div>
 
                         <!-- ListenBrainz Tabs -->

webui/static/script.js

@@ -26787,6 +26787,72 @@ async function openListenBrainzPlaylist(playlistMbid, playlistName) {
     }
 }
 
+async function refreshListenBrainzPlaylists() {
+    const button = document.getElementById('listenbrainz-refresh-btn');
+    if (!button) return;
+
+    try {
+        // Show loading state on button
+        const originalContent = button.innerHTML;
+        button.disabled = true;
+        button.innerHTML = '<span class="button-icon">⏳</span><span class="button-text">Refreshing...</span>';
+
+        console.log('🔄 Refreshing ListenBrainz playlists...');
+        showToast('Refreshing ListenBrainz playlists...', 'info');
+
+        const response = await fetch('/api/discover/listenbrainz/refresh', {
+            method: 'POST'
+        });
+
+        if (!response.ok) {
+            throw new Error(`Failed to refresh: ${response.statusText}`);
+        }
+
+        const data = await response.json();
+
+        if (data.success) {
+            const summary = data.summary || {};
+            let message = 'ListenBrainz playlists refreshed!';
+
+            // Build summary message
+            const updates = [];
+            for (const [type, stats] of Object.entries(summary)) {
+                const total = (stats.new || 0) + (stats.updated || 0);
+                if (total > 0) {
+                    updates.push(`${total} ${type}`);
+                }
+            }
+
+            if (updates.length > 0) {
+                message += ` Updated: ${updates.join(', ')}`;
+            } else {
+                message = 'All playlists are up to date';
+            }
+
+            console.log('✅ Refresh complete:', data.summary);
+            showToast(message, 'success');
+
+            // Reload the tabs to show updated data
+            await initializeListenBrainzTabs();
+
+        } else {
+            throw new Error(data.error || 'Unknown error');
+        }
+
+        // Restore button
+        button.disabled = false;
+        button.innerHTML = originalContent;
+
+    } catch (error) {
+        console.error('Error refreshing ListenBrainz playlists:', error);
+        showToast(`Failed to refresh: ${error.message}`, 'error');
+
+        // Restore button
+        button.disabled = false;
+        button.innerHTML = '<span class="button-icon">🔄</span><span class="button-text">Refresh</span>';
+    }
+}
+
 // ===============================
 // SEASONAL DISCOVERY
 // ===============================