161 lines
4.2 KiB
Python
161 lines
4.2 KiB
Python
import asyncio
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from enum import Enum
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from fastapi import FastAPI, WebSocket, WebSocketDisconnect
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from fastapi.responses import HTMLResponse
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from pydantic import BaseModel
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from download_service import DownloadService
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from music_player import MusicPlayer, PlayerState
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class ChangePlayerState(Enum):
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play = "play"
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pause = "pause"
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resume = "resume"
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stop = "stop"
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class WSConnectionType(Enum):
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state = "state"
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queue = "queue"
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class ConnectionManager:
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def __init__(self) -> None:
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self.active_connections: dict[str, set[WebSocket]] = {
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WSConnectionType.state.value: set(),
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WSConnectionType.queue.value: set(),
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}
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async def connect(self, websocket: WebSocket, type: WSConnectionType):
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await websocket.accept()
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self.active_connections[type.value].add(websocket)
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async def send(self, ws: WebSocket, message: BaseModel):
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try:
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await ws.send_json(message.model_dump())
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except Exception:
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self.disconnect(ws)
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async def broadcast(self, ws_type: WSConnectionType, message: BaseModel):
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broken = set()
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for ws in self.active_connections[ws_type.value]:
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try:
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await ws.send_json(message.model_dump())
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except Exception:
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broken.add(ws)
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for ws in broken:
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self.disconnect(ws)
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def disconnect(self, websocket: WebSocket):
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if websocket in self.active_connections[WSConnectionType.state.value]:
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self.active_connections[WSConnectionType.state.value].remove(websocket)
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if websocket in self.active_connections[WSConnectionType.queue.value]:
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self.active_connections[WSConnectionType.queue.value].remove(websocket)
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# Setup
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tags_metadata = [
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{"name": "player", "description": "Interact with the Music Player"},
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{"name": "experimental"},
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{"name": "queue"},
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]
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app = FastAPI(openapi_tags=tags_metadata)
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player = MusicPlayer()
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dl_service = DownloadService()
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ws_manager = ConnectionManager()
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# Interface
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@app.get("/", response_class=HTMLResponse)
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async def root():
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with open("interface.html") as f:
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return f.read()
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@app.on_event("startup")
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async def start_event_loop():
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asyncio.create_task(state_broadcast_loop())
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asyncio.create_task(queue_broadcast_loop())
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async def state_broadcast_loop():
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while True:
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await player._state_event.wait()
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await ws_manager.broadcast(WSConnectionType.state, player.get_state())
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player._state_event.clear()
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async def queue_broadcast_loop():
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while True:
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await player._queue_event.wait()
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await ws_manager.broadcast(WSConnectionType.queue, player.get_queue())
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player._queue_event.clear()
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# Status updates
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@app.websocket("/player")
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async def websocket_player(websocket: WebSocket):
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await ws_manager.connect(websocket, WSConnectionType.state)
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try:
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while True:
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await websocket.receive_text()
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await ws_manager.send(websocket, player.get_state())
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except WebSocketDisconnect:
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ws_manager.disconnect(websocket)
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# Queue updates
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@app.websocket("/queue")
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async def websocket_queue(websocket: WebSocket):
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await ws_manager.connect(websocket, WSConnectionType.queue)
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try:
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while True:
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await websocket.receive_text()
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await ws_manager.send(websocket, player.get_queue())
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except WebSocketDisconnect:
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ws_manager.disconnect(websocket)
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@app.get("/queue", tags=["queue"])
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def get_queue():
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return player.get_queue()
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@app.post("/queue", tags=["queue"])
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async def post_to_queue(url: str):
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track = dl_service.download(url)
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await player.add_to_queue(track)
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@app.post("/player/play", tags=["player"])
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async def player_play():
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await player.play()
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@app.post("/player/stop", tags=["player"])
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async def player_stop():
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await player.stop()
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@app.post("/player/skip", tags=["player"])
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async def player_skip():
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await player.next()
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# Player
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@app.put("/player/volume", tags=["player"])
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async def set_volume(volume: float):
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await player.set_volume(volume)
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@app.get("/player/volume", tags=["player"])
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def get_volume():
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return {"volume": player.get_volume()}
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@app.get("/player", tags=["player"])
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def get_player_state() -> PlayerState:
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return player.get_state()
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