ytptube/app/routes/api/system.py

132 lines
3.8 KiB
Python

import asyncio
import logging
import time
from aiohttp import web
from aiohttp.web import Request, Response
from aiohttp.web_runner import GracefulExit
from app.library.config import Config
from app.library.DownloadQueue import DownloadQueue
from app.library.encoder import Encoder
from app.library.Events import EventBus, Events
from app.library.router import route
LOG: logging.Logger = logging.getLogger(__name__)
@route("POST", "api/system/pause", "system.pause")
async def downloads_pause(queue: DownloadQueue, encoder: Encoder, notify: EventBus) -> Response:
"""
Pause non-active downloads.
Args:
request (Request): The request object.
queue (DownloadQueue): The download queue instance.
encoder (Encoder): The encoder instance.
notify (EventBus): The event bus instance.
Returns:
Response: The response object.
"""
if queue.is_paused():
return web.json_response(
{"message": "Non-active downloads are already paused."},
status=web.HTTPNotAcceptable.status_code,
dumps=encoder.encode,
)
queue.pause()
msg = "Non-active downloads have been paused."
notify.emit(
Events.PAUSED,
data={"paused": True, "at": time.time()},
title="Downloads Paused",
message=msg,
)
return web.json_response(data={"message": msg}, status=web.HTTPOk.status_code, dumps=encoder.encode)
@route("POST", "api/system/resume", "system.resume")
async def downloads_resume(queue: DownloadQueue, encoder: Encoder, notify: EventBus) -> Response:
"""
Resume non-active downloads.
Args:
request (Request): The request object.
queue (DownloadQueue): The download queue instance.
encoder (Encoder): The encoder instance.
notify (EventBus): The event bus instance.
Returns:
Response: The response object.
"""
if not queue.is_paused():
return web.json_response(
{"message": "Non-active downloads are not paused."},
status=web.HTTPNotAcceptable.status_code,
dumps=encoder.encode,
)
queue.resume()
msg = "Resumed all downloads."
notify.emit(
Events.RESUMED,
data={"paused": False, "at": time.time()},
title="Downloads Resumed",
message=msg,
)
return web.json_response(data={"message": msg}, status=web.HTTPOk.status_code, dumps=encoder.encode)
@route("POST", "api/system/shutdown", "system.shutdown")
async def shutdown_system(request: Request, config: Config, encoder: Encoder, notify: EventBus) -> Response:
"""
Initiate application shutdown.
Args:
request (Request): The request object.
config (Config): The config instance.
encoder (Encoder): The encoder instance.
notify (EventBus): The event bus instance.
Returns:
Response: The response object.
"""
if config.is_native is not True:
return web.json_response(
{"error": "Shutdown is only available in the native mode."},
status=web.HTTPBadRequest.status_code,
)
app = request.app
async def do_shutdown():
notify.emit(
Events.SHUTDOWN,
data={"app": app},
title="Application Shutdown",
message="Shutdown initiated by user request.",
)
await asyncio.sleep(0.5)
await app.shutdown()
await app.cleanup()
raise GracefulExit
# Schedule shutdown after response
asyncio.create_task(do_shutdown())
LOG.info("Shutdown initiated by user request. Stopping the server...")
return web.json_response(
data={
"message": "The application shutting down.",
},
status=web.HTTPOk.status_code,
dumps=encoder.encode,
)