Files
spotizerr-dev/routes/track.py
2025-05-27 12:01:49 -06:00

134 lines
4.4 KiB
Python
Executable File

from flask import Blueprint, Response, request
import os
import json
import traceback
import uuid # For generating error task IDs
import time # For timestamps
from routes.utils.celery_queue_manager import download_queue_manager
from routes.utils.celery_tasks import store_task_info, store_task_status, ProgressState # For error task creation
from urllib.parse import urlparse # for URL validation
track_bp = Blueprint('track', __name__)
@track_bp.route('/download', methods=['GET'])
def handle_download():
# Retrieve essential parameters from the request.
url = request.args.get('url')
name = request.args.get('name')
artist = request.args.get('artist')
orig_params = request.args.to_dict()
orig_params["original_url"] = request.url
# Validate required parameters
if not url:
return Response(
json.dumps({"error": "Missing required parameter: url", "original_url": url}),
status=400,
mimetype='application/json'
)
# Validate URL domain
parsed = urlparse(url)
host = parsed.netloc.lower()
if not (host.endswith('deezer.com') or host.endswith('open.spotify.com') or host.endswith('spotify.com')):
return Response(
json.dumps({"error": f"Invalid Link {url} :(", "original_url": url}),
status=400,
mimetype='application/json'
)
try:
task_id = download_queue_manager.add_task({
"download_type": "track",
"url": url,
"name": name,
"artist": artist,
"orig_request": orig_params
})
# Removed DuplicateDownloadError handling, add_task now manages this by creating an error task.
except Exception as e:
# Generic error handling for other issues during task submission
error_task_id = str(uuid.uuid4())
store_task_info(error_task_id, {
"download_type": "track",
"url": url,
"name": name,
"artist": artist,
"original_request": orig_params,
"created_at": time.time(),
"is_submission_error_task": True
})
store_task_status(error_task_id, {
"status": ProgressState.ERROR,
"error": f"Failed to queue track download: {str(e)}",
"timestamp": time.time()
})
return Response(
json.dumps({"error": f"Failed to queue track download: {str(e)}", "task_id": error_task_id}),
status=500,
mimetype='application/json'
)
return Response(
json.dumps({"prg_file": task_id}), # prg_file is the old name for task_id
status=202,
mimetype='application/json'
)
@track_bp.route('/download/cancel', methods=['GET'])
def cancel_download():
"""
Cancel a running track download process by its process id (prg file name).
"""
prg_file = request.args.get('prg_file')
if not prg_file:
return Response(
json.dumps({"error": "Missing process id (prg_file) parameter"}),
status=400,
mimetype='application/json'
)
# Use the queue manager's cancellation method.
result = download_queue_manager.cancel_task(prg_file)
status_code = 200 if result.get("status") == "cancelled" else 404
return Response(
json.dumps(result),
status=status_code,
mimetype='application/json'
)
@track_bp.route('/info', methods=['GET'])
def get_track_info():
"""
Retrieve Spotify track metadata given a Spotify track ID.
Expects a query parameter 'id' that contains the Spotify track ID.
"""
spotify_id = request.args.get('id')
if not spotify_id:
return Response(
json.dumps({"error": "Missing parameter: id"}),
status=400,
mimetype='application/json'
)
try:
# Import and use the get_spotify_info function from the utility module.
from routes.utils.get_info import get_spotify_info
track_info = get_spotify_info(spotify_id, "track")
return Response(
json.dumps(track_info),
status=200,
mimetype='application/json'
)
except Exception as e:
error_data = {
"error": str(e),
"traceback": traceback.format_exc()
}
return Response(
json.dumps(error_data),
status=500,
mimetype='application/json'
)