import requests import json from django.db import models from django.shortcuts import reverse PK_LENGTH = 23 YOUTUBE_INFO_URL = 'http://www.youtube.com/oembed?url=http://www.youtube.com/watch?v={}&format=json' class Playlist(models.Model): date = models.DateTimeField(verbose_name="date") name = models.CharField( max_length=255, verbose_name="Nom de la playlist" ) last_update = models.DateTimeField( verbose_name="Dernière mise à jour" ) last_get = models.DateTimeField( verbose_name="Dernière écoute" ) public = models.BooleanField( verbose_name="Visible sur la page d'accueil", default=True, ) @staticmethod def reverse_token(token): return token & ((1 << PK_LENGTH) - 1) def get_token(self): return int(self.date.timestamp()) << PK_LENGTH | self.pk def get_absolute_url(self): return reverse('player:playlist', kwargs={'token':self.get_token()}) def __str__(self): return "Playlist " + str(self.get_token()) class Link(models.Model): token = models.CharField( max_length=200, verbose_name="Token", ) playlist = models.ForeignKey( Playlist, on_delete=models.CASCADE, verbose_name="Playlist", ) title = models.CharField( max_length=255, verbose_name="Titre" ) def __str__(self): return "Link : " + self.token + " of " + str(self.playlist) @classmethod def update_titles(cls): for o in cls.objects.all(): response = requests.get(YOUTUBE_INFO_URL.format(o.token)) o.title = json.loads(response.content.decode('utf-8'))['title'] o.save()