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feat: Implement playlist management routes and integrate with music player service

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JSC
2025-07-12 15:17:45 +02:00
parent 93897921fb
commit 842e1dff13
5 changed files with 413 additions and 55 deletions
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201
app/services/music_player_service.py
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@@ -38,11 +38,15 @@ class MusicPlayerService:
self.current_time = 0
self.duration = 0
self.last_sync_time = 0
self.sync_interval = 0.5 # seconds (increased frequency to catch track endings)
self.sync_interval = (
0.5 # seconds (increased frequency to catch track endings)
)
self.lock = threading.Lock()
self._sync_thread = None
self._stop_sync = False
self._track_ending_handled = False # Flag to prevent duplicate ending triggers
self._track_ending_handled = (
False # Flag to prevent duplicate ending triggers
)
def start_vlc_instance(self) -> bool:
"""Start a VLC instance with Python bindings."""
@@ -68,10 +72,10 @@ class MusicPlayerService:
self.player.audio_set_volume(self.volume)
logger.info("VLC music player started successfully")
# Automatically load the current playlist
self._load_current_playlist_on_startup()
self._start_sync_thread()
return True
@@ -100,7 +104,7 @@ class MusicPlayerService:
logger.error(f"Error stopping VLC instance: {e}")
return False
def load_playlist(self, playlist_id: int) -> bool:
def load_playlist(self, playlist_id: int, reload: bool = False) -> bool:
"""Load a playlist into VLC."""
try:
if not self.instance or not self.player:
@@ -115,7 +119,9 @@ class MusicPlayerService:
if not playlist:
return False
return self._load_playlist_with_context(playlist)
return self._load_playlist_with_context(
playlist, reload
)
else:
# Fallback for when no Flask context is available
logger.warning(
@@ -126,12 +132,14 @@ class MusicPlayerService:
logger.error(f"Error loading playlist {playlist_id}: {e}")
return False
def _build_thumbnail_url(self, sound_type: str, thumbnail_filename: str) -> str:
def _build_thumbnail_url(
self, sound_type: str, thumbnail_filename: str
) -> str:
"""Build absolute thumbnail URL."""
try:
# Try to get base URL from current request context
if request:
base_url = request.url_root.rstrip('/')
base_url = request.url_root.rstrip("/")
else:
# Fallback to localhost if no request context
base_url = "http://localhost:5000"
@@ -140,7 +148,9 @@ class MusicPlayerService:
# Fallback if request context is not available
return f"http://localhost:5000/api/sounds/{sound_type.lower()}/thumbnails/{thumbnail_filename}"
def _load_playlist_with_context(self, playlist) -> bool:
def _load_playlist_with_context(
self, playlist, reload: bool = False
) -> bool:
"""Load playlist with database context already established."""
try:
# Clear current playlist
@@ -156,12 +166,32 @@ class MusicPlayerService:
if file_path and os.path.exists(file_path):
self.playlist_files.append(file_path)
self.current_playlist_id = playlist.id
self.current_track_index = 0
deleted = False
if reload:
# Set current track index to the real index of the current track
# in case the order has changed or the track has been deleted
current_track = self.get_current_track()
current_track_id = (
current_track["id"] if current_track else None
)
sound_ids = [
ps.sound.id
for ps in sorted(
playlist.playlist_sounds, key=lambda x: x.order
)
]
if current_track_id in sound_ids:
self.current_track_index = sound_ids.index(current_track_id)
else:
deleted = True
# Load first track if available
if self.playlist_files:
self._load_track_at_index(0)
if not reload or deleted:
self.current_playlist_id = playlist.id
self.current_track_index = 0
# Load first track if available
if self.playlist_files:
self._load_track_at_index(0)
# Emit playlist loaded event
self._emit_player_state()
@@ -234,7 +264,7 @@ class MusicPlayerService:
# Reset track ending flag when starting playback
self._track_ending_handled = False
result = self.player.play()
if result == 0: # Success
self.is_playing = True
@@ -274,7 +304,7 @@ class MusicPlayerService:
logger.error(f"Error stopping playback: {e}")
return False
def next_track(self) -> bool:
def next_track(self, force_play: bool = False) -> bool:
"""Skip to next track."""
try:
if not self.playlist_files:
@@ -297,7 +327,7 @@ class MusicPlayerService:
return True
if self._load_track_at_index(next_index):
if self.is_playing:
if self.is_playing or force_play:
self.play()
self._emit_player_state()
return True
@@ -422,7 +452,9 @@ class MusicPlayerService:
"artist": None, # Could be extracted from metadata
"duration": sound.duration or 0,
"thumbnail": (
self._build_thumbnail_url(sound.type, sound.thumbnail)
self._build_thumbnail_url(
sound.type, sound.thumbnail
)
if sound.thumbnail
else None
),
@@ -457,7 +489,9 @@ class MusicPlayerService:
"artist": None,
"duration": sound.duration or 0,
"thumbnail": (
self._build_thumbnail_url(sound.type, sound.thumbnail)
self._build_thumbnail_url(
sound.type, sound.thumbnail
)
if sound.thumbnail
else None
),
@@ -471,13 +505,15 @@ class MusicPlayerService:
def get_player_state(self) -> dict[str, Any]:
"""Get complete player state."""
current_track = self.get_current_track()
return {
"is_playing": self.is_playing,
"current_time": self.current_time,
"duration": self.duration,
"volume": self.volume,
"play_mode": self.play_mode,
"current_track": self.get_current_track(),
"current_track": current_track,
"current_track_id": current_track["id"] if current_track else None,
"current_track_index": self.current_track_index,
"playlist": self.get_playlist_tracks(),
"playlist_id": self.current_playlist_id,
@@ -529,42 +565,47 @@ class MusicPlayerService:
# Enhanced track ending detection
track_ended = False
# Check for ended state
if state == vlc.State.Ended:
track_ended = True
logger.info(f"Track ended via VLC State.Ended, mode: {self.play_mode}")
logger.info(
f"Track ended via VLC State.Ended, mode: {self.play_mode}"
)
# Also check if we're very close to the end (within 500ms) and not playing
elif (self.duration > 0 and self.current_time > 0 and
self.current_time >= (self.duration - 500) and
not self.is_playing and old_playing):
elif (
self.duration > 0
and self.current_time > 0
and self.current_time >= (self.duration - 500)
and not self.is_playing
and old_playing
):
track_ended = True
logger.info(f"Track ended via time check, mode: {self.play_mode}")
logger.info(
f"Track ended via time check, mode: {self.play_mode}"
)
# Handle track ending based on play mode (only if not already handled)
if track_ended and not self._track_ending_handled:
self._track_ending_handled = True
if self.play_mode == "loop-one":
logger.info("Restarting track for loop-one mode")
# Stop first, then reload and play
self.player.stop()
# Reload the current track
if (self.current_track_index < len(self.playlist_files)):
media = self.instance.media_new(
self.playlist_files[self.current_track_index]
)
self.player.set_media(media)
self.player.play()
# Reset the flag after a short delay to allow for new track
self._track_ending_handled = False
elif self.play_mode in ["continuous", "loop-playlist", "random"]:
logger.info(f"Advancing to next track for {self.play_mode} mode")
self.next_track()
# Reset the flag after track change
self._track_ending_handled = False
self.play_track_at_index(self.current_track_index)
elif self.play_mode in [
"continuous",
"loop-playlist",
"random",
]:
logger.info(
f"Advancing to next track for {self.play_mode} mode"
)
self.next_track(True)
# Reset the flag after track change
self._track_ending_handled = False
# Reset the flag if we're playing again (new track started)
elif self.is_playing and not old_playing:
self._track_ending_handled = False
@@ -588,15 +629,17 @@ class MusicPlayerService:
try:
# Update state from VLC before emitting
self._sync_vlc_state_only()
# Try to use Flask context for database queries
app_to_use = self.app or current_app
if app_to_use:
with app_to_use.app_context():
state = self.get_player_state()
socketio_service.emit_to_all("player_state_update", state)
logger.info(f"Emitted player state: playing={state['is_playing']}, time={state['current_time']}, track={state.get('current_track', {}).get('title', 'None')}")
logger.info(
f"Emitted player state: playing={state['is_playing']}, time={state['current_time']}, track={state.get('current_track', {}).get('title', 'None')}"
)
else:
# Fallback when no Flask context - emit basic state without database queries
basic_state = {
@@ -606,12 +649,15 @@ class MusicPlayerService:
"volume": self.volume,
"play_mode": self.play_mode,
"current_track": None,
"current_track_id": None,
"current_track_index": self.current_track_index,
"playlist": [],
"playlist_id": self.current_playlist_id,
}
socketio_service.emit_to_all("player_state_update", basic_state)
logger.info(f"Emitted basic player state: playing={basic_state['is_playing']}, time={basic_state['current_time']}")
logger.info(
f"Emitted basic player state: playing={basic_state['is_playing']}, time={basic_state['current_time']}"
)
except Exception as e:
logger.debug(f"Error emitting player state: {e}")
@@ -635,30 +681,75 @@ class MusicPlayerService:
except Exception as e:
logger.debug(f"Error syncing VLC state: {e}")
def _load_current_playlist_on_startup(self):
"""Load the current playlist automatically on startup."""
try:
if not self.app:
logger.warning("No Flask app context available, skipping current playlist load")
logger.warning(
"No Flask app context available, skipping current playlist load"
)
return
with self.app.app_context():
# Find the current playlist
current_playlist = Playlist.find_current_playlist()
if current_playlist:
success = self.load_playlist(current_playlist.id)
if success:
logger.info(f"Automatically loaded current playlist '{current_playlist.name}' with {len(self.playlist_files)} tracks")
logger.info(
f"Automatically loaded current playlist '{current_playlist.name}' with {len(self.playlist_files)} tracks"
)
else:
logger.warning("Failed to load current playlist on startup")
logger.warning(
"Failed to load current playlist on startup"
)
else:
logger.info("No current playlist found to load on startup")
except Exception as e:
logger.error(f"Error loading current playlist on startup: {e}")
def reload_current_playlist_if_modified(
self, modified_playlist_id: int
) -> bool:
"""Reload the current playlist if it's the one that was modified."""
try:
if not self.app:
logger.warning(
"No Flask app context available, skipping playlist reload"
)
return False
with self.app.app_context():
# Find the current playlist
current_playlist = Playlist.find_current_playlist()
if (
current_playlist
and current_playlist.id == modified_playlist_id
):
# Reload the playlist
success = self.load_playlist(current_playlist.id, True)
if success:
logger.info(
f"Reloaded current playlist '{current_playlist.name}' after modification"
)
return True
else:
logger.warning(
"Failed to reload current playlist after modification"
)
return False
else:
# Not the current playlist, no need to reload
return True
except Exception as e:
logger.error(f"Error reloading current playlist: {e}")
return False
# Global music player service instance
music_player_service = MusicPlayerService()