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playlists.py
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playlists.py
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import logging
import webapp2
from google.appengine.ext.webapp import util
from google.appengine.ext import db
import json as simplejson
from activities import create_subscribe_activity
from model import get_current_youtify_user_model
from model import get_playlist_struct_from_playlist_model
from model import get_playlist_structs_by_id
from model import get_youtify_user_struct
from model import Playlist
from mail import send_new_subscriber_email
class PlaylistFollowersHandler(webapp2.RequestHandler):
def get(self, playlist_id):
"""Gets the list of users that follow a playlist"""
playlist_model = Playlist.get_by_id(int(playlist_id))
json = []
for key in playlist_model.followers:
youtify_user_model = db.get(key)
json.append(get_youtify_user_struct(youtify_user_model))
self.response.headers['Content-Type'] = 'application/json'
self.response.out.write(simplejson.dumps(json))
def post(self, playlist_id):
"""Follows a playlist"""
youtify_user_model = get_current_youtify_user_model()
if youtify_user_model == None:
self.error(403)
return
playlist_model = Playlist.get_by_id(int(playlist_id))
if playlist_model is None:
self.error(404)
return
if playlist_model.owner.key().id() == youtify_user_model.key().id():
self.error(400)
self.response.out.write('You can not subscribe to your own playlists')
return
if playlist_model.key() in youtify_user_model.playlist_subscriptions:
self.error(400)
self.response.out.write('You already subscribe to this playlist')
return
youtify_user_model.playlist_subscriptions.append(playlist_model.key())
youtify_user_model.save()
playlist_model.followers.append(youtify_user_model.key())
playlist_model.nr_of_followers = len(playlist_model.followers)
playlist_model.save()
create_subscribe_activity(youtify_user_model, playlist_model)
send_new_subscriber_email(youtify_user_model, playlist_model)
self.response.headers['Content-Type'] = 'text/plain'
self.response.out.write('ok')
def delete(self, playlist_id):
"""Unfollows a playlist"""
youtify_user_model = get_current_youtify_user_model()
if youtify_user_model == None:
self.error(403)
return
playlist_model = Playlist.get_by_id(int(playlist_id))
youtify_user_model.playlist_subscriptions.remove(playlist_model.key())
youtify_user_model.save()
playlist_model.followers.remove(youtify_user_model.key())
playlist_model.nr_of_followers = len(playlist_model.followers)
playlist_model.save()
self.response.headers['Content-Type'] = 'text/plain'
self.response.out.write('ok')
class SpecificPlaylistHandler(webapp2.RequestHandler):
def get(self):
"""Get playlist"""
playlist_id = self.request.path.split('/')[-1]
playlist_model = Playlist.get_by_id(int(playlist_id))
playlist_struct = get_playlist_struct_from_playlist_model(playlist_model)
if playlist_model.private and playlist_model.owner.key() != get_current_youtify_user_model().key():
self.error(403)
return
if playlist_struct:
self.response.headers['Content-Type'] = 'application/json'
self.response.headers['Access-Control-Allow-Origin'] = '*'
self.response.out.write(simplejson.dumps(playlist_struct))
else:
self.error(404)
def post(self):
"""Update playlist"""
youtify_user_model = get_current_youtify_user_model()
if youtify_user_model == None:
self.error(403)
return
playlist_id = self.request.path.split('/')[-1]
playlist_model = Playlist.get_by_id(int(playlist_id))
json = self.request.get('json', None)
device = self.request.get('device')
if json is None:
self.error(400)
return
if playlist_model.owner.key() == youtify_user_model.key():
if youtify_user_model.device != device:
self.error(409)
self.response.out.write('wrong_device')
return
else:
old_playlist = simplejson.loads(json)
playlist_model.private = old_playlist.get('isPrivate', False)
playlist_model.tracks_json = simplejson.dumps(old_playlist['videos'])
playlist_model.owner = youtify_user_model
playlist_model.title = old_playlist['title']
playlist_model.remote_id = old_playlist['remoteId']
playlist_model.json = None
playlist_model.save()
self.response.out.write(str(playlist_model.key().id()))
else:
self.error(403)
def delete(self):
"""Delete playlist"""
youtify_user_model = get_current_youtify_user_model()
if youtify_user_model == None:
self.error(403)
return
playlist_id = self.request.path.split('/')[-1]
playlist_model = Playlist.get_by_id(int(playlist_id))
if playlist_model.owner.key() == youtify_user_model.key():
youtify_user_model.playlists.remove(playlist_model.key())
youtify_user_model.save()
playlist_model.delete()
else:
self.error(403)
class PlaylistsHandler(webapp2.RequestHandler):
def post(self):
"""Create new playlist"""
youtify_user_model = get_current_youtify_user_model()
if youtify_user_model == None:
self.error(403)
return
json_playlist = simplejson.loads(self.request.get('json'))
if json_playlist is None:
self.error(500)
playlist_model = Playlist(owner=youtify_user_model, json=None)
playlist_model.private = json_playlist.get('isPrivate', False)
playlist_model.tracks_json = simplejson.dumps(json_playlist['videos'])
playlist_model.title = json_playlist['title']
playlist_model.put()
youtify_user_model.playlists.append(playlist_model.key())
youtify_user_model.save()
self.response.headers['Content-Type'] = 'application/json'
self.response.out.write(simplejson.dumps(get_playlist_struct_from_playlist_model(playlist_model)))
app = webapp2.WSGIApplication([
('/api/playlists/(.*)/followers', PlaylistFollowersHandler),
('/api/playlists/.*', SpecificPlaylistHandler),
('/api/playlists', PlaylistsHandler),
], debug=True)