mygpo/web/templatetags/podcasts.py

   1 from django import template
   2 from django.utils.safestring import mark_safe
   3 from django.utils.translation import ugettext as _
   4 import hashlib
   5
   6 from mygpo.constants import PODCAST_LOGO_SIZE, PODCAST_LOGO_BIG_SIZE
   7
   8 register = template.Library()
   9
  10 def create_podcast_logo(podcast, size):
  11     size = int(size)
  12     if podcast.logo_url:
  13         sha = hashlib.sha1(podcast.logo_url).hexdigest()
  14         s = '<img src="/logo/%d/%s.jpg" alt="%s" height="%d" width="%d" />' % (size, sha, _('Logo'), size, size)
  15     else:
  16         s = '<img src="/media/podcast-%d.png" alt="%s" height="%d" width="%d" />' % (hash(podcast.title)%5, _('No Logo available'), size, size)
  17
  18     return mark_safe(s)
  19
  20 @register.filter
  21 def podcast_logo(podcast):
  22     return create_podcast_logo(podcast, PODCAST_LOGO_SIZE)
  23
  24 @register.filter
  25 def podcast_logo_big(podcast):
  26     return create_podcast_logo(podcast, PODCAST_LOGO_BIG_SIZE)
  27
  28 @register.filter
  29 def podcast_status_icon(action):
  30     if action.action == 1:
  31         s = '<img src="/media/subscribe.png" />'
  32     else:
  33         s = '<img src="/media/unsubscribe.png" />'
  34
  35     return mark_safe(s)
  36
  37