+
+
+class Font(models.Model):
+ name = models.CharField(max_length=255, unique=True)
+ truetype = models.FileField(upload_to='youtube/font')
+
+ def __str__(self):
+ return self.name
+
+
+class ThumbnailTemplate(models.Model):
+ youtube = models.ForeignKey(YouTube, models.CASCADE)
+ order = models.SmallIntegerField()
+ is_active = models.BooleanField()
+ background = models.FileField(upload_to='youtube/thumbnail')
+ definition = models.TextField()
+ authors = models.CharField(max_length=255, blank=True)
+ epochs = models.CharField(max_length=255, blank=True)
+ kinds = models.CharField(max_length=255, blank=True)
+ genres = models.CharField(max_length=255, blank=True)
+ collections = models.CharField(max_length=255, blank=True)
+
+ class Meta:
+ ordering = ('order', )
+
+ def generate(self, audiobook):
+ try:
+ title = audiobook.book['title']
+ if audiobook.book.get('parent'):
+ parent_title = audiobook.book['parent']['title']
+ if not title.startswith(parent_title):
+ title = ", ".join((parent_title, title))
+
+ img = create_thumbnail(
+ self.background.path,
+ self.definition,
+ {
+ "author": ', '.join((a['name'] for a in audiobook.book['authors'])),
+ "title": title,
+ "part": (audiobook.youtube_volume or audiobook.part_name).strip() if audiobook.youtube_volume_count > 1 else '',
+ },
+ lambda name: Font.objects.get(name=name).truetype.path
+ )
+ except Exception as e:
+ print(e)
+ return
+ else:
+ buf = io.BytesIO()
+ img.save(buf, format='PNG')
+ return buf
+
+ def is_for_audiobook(self, audiobook):
+ for category in 'authors', 'epochs', 'kinds', 'genres':
+ if getattr(self, category):
+ book_slugs = set([g['slug'] for g in audiobook.book[category]])
+ template_slugs = set([g.strip() for g in getattr(self, category).split(',')])
+ if not book_slugs.intersection(template_slugs):
+ return False
+
+ if self.collections:
+ template_collections = set([g.strip() for g in self.collections.split(',')])
+ in_any = False
+ for collection in template_collections:
+ apidata = requests.get(
+ f'https://wolnelektury.pl/api/collections/{collection}/'
+ ).json()
+ for book in apidata['books']:
+ if book['slug'] == audiobook.slug:
+ in_any = True
+ break
+ if in_any:
+ break
+ if not in_any:
+ return False
+
+ return True