mygpo/web/templatetags/episodes.py

   1 from django import template
   2 from django.utils.safestring import mark_safe
   3 from django.utils.translation import ugettext as _
   4 from django.utils.html import strip_tags
   5
   6 from mygpo.core.models import Episode
   7 from mygpo import utils
   8 from mygpo.data.mimetype import get_type, get_mimetype
   9 from mygpo.web.utils import get_episode_link_target
  10
  11
  12 register = template.Library()
  13
  14 @register.filter
  15 def episode_status_text(episode):
  16     if not episode or not episode.action:
  17         return ''
  18
  19     if episode.action == 'new':
  20         return _('New episode')
  21     elif episode.action == 'download':
  22         if episode.device.name:
  23             return _('Downloaded to %s') % episode.device.name
  24         else:
  25             return _('Downloaded')
  26     elif episode.action == 'play':
  27         if episode.device.name:
  28             return _('Played on %s') % episode.device.name
  29         else:
  30             return _('Played')
  31     elif episode.action == 'delete':
  32         if episode.device.name:
  33             return _('Deleted on %s') % episode.device.name
  34         else:
  35             return _('Deleted')
  36
  37     return _('Unknown status')
  38
  39 @register.filter
  40 def episode_status_icon(action):
  41     if not action or not action.action:
  42         s = '<img src="/media/nothing.png" alt="nothing" title="%s" />' % _('Unplayed episode')
  43
  44     else:
  45         date_string   = (_(' on %s') % (action.timestamp)) if action.timestamp else ''
  46         device_string = (_(' on %s') % (action.device.name)) if action.device else ''
  47
  48         if action.action == 'flattr':
  49             s = '<img src="https://flattr.com/_img/icons/flattr_logo_16.png" alt="flattr" title="%s" />' % (_("The episode has been flattr'd"),)
  50
  51         elif action.action == 'new':
  52             s = '<img src="/media/new.png" alt="new" title="%s" />' % ('%s%s%s' % (_('This episode has been marked new'),date_string, device_string))
  53         elif action.action == 'download':
  54             s = '<img src="/media/download.png" alt="downloaded" title="%s" />' % ('%s%s%s' % (_('This episode has been downloaded'),date_string, device_string))
  55         elif action.action == 'play':
  56             if action.playmark is not None:
  57                 if getattr(action, 'started', None) is not None:
  58                     playback_info = _(' from %(start)s to %(end)s') % { \
  59                             'start': utils.format_time(action.started), \
  60                             'end': utils.format_time(action.playmark)}
  61                 else:
  62                     playback_info = _(' to position %s') % (\
  63                             utils.format_time(action.playmark),)
  64             else:
  65                 playback_info = ''
  66             s = '<img src="/media/playback.png" alt="played" title="%s" />' % ('%s%s%s%s' % (_('This episode has been played'),date_string, device_string, playback_info))
  67         elif action.action == 'delete':
  68             s = '<img src="/media/delete.png" alt="deleted" title="%s"/>' % ('%s%s%s' % (_('This episode has been deleted'),date_string, device_string))
  69         else:
  70             return action.action  # this is not marked safe by intention
  71
  72     return mark_safe(s)
  73
  74
  75 @register.filter
  76 def is_image(episode):
  77
  78     if isinstance(episode, Episode):
  79         mimetypes = episode.mimetypes
  80
  81     else:
  82         mimetypes = [get_mimetype(episode.mimetype, episode.url)]
  83
  84     return any(get_type(mimetype) == 'image' for mimetype in mimetypes)
  85
  86
  87 class EpisodeLinkTargetNode(template.Node):
  88     """ Links to a (view of a) Podcast """
  89
  90     def __init__(self, episode, podcast, view_name='episode', add_args=[]):
  91         self.episode = template.Variable(episode)
  92         self.podcast = template.Variable(podcast)
  93         self.view_name = view_name.replace('"', '')
  94         self.add_args = [template.Variable(arg) for arg in add_args]
  95
  96
  97     def render(self, context):
  98         episode = self.episode.resolve(context)
  99         podcast = self.podcast.resolve(context)
 100         add_args = [arg.resolve(context) for arg in self.add_args]
 101         return get_episode_link_target(episode, podcast, self.view_name, add_args)
 102
 103
 104     @staticmethod
 105     def compile(parser, token):
 106         try:
 107             contents  = token.split_contents()
 108             tag_name  = contents[0]
 109             episode   = contents[1]
 110             podcast   = contents[2]
 111             view_name = contents[3] if len(contents) > 3 else 'episode'
 112             add_args  = contents[4:]
 113
 114         except ValueError:
 115             raise template.TemplateSyntaxError("%r tag requires at least one argument" % token.contents.split()[0])
 116
 117         return EpisodeLinkTargetNode(episode, podcast, view_name, add_args)
 118
 119
 120 register.tag('episode_link_target', EpisodeLinkTargetNode.compile)
 121
 122
 123
 124 @register.simple_tag
 125 def episode_link(episode, podcast, title=None):
 126     """ Returns the link for a single Episode """
 127
 128     title = title or getattr(episode, 'display_title', None) or \
 129             episode.title or _('Unknown Episode')
 130
 131     title = strip_tags(title)
 132
 133     return '<a href="%(target)s" title="%(title)s">%(title)s</a>' % \
 134         dict(target=get_episode_link_target(episode, podcast), title=title)
 135
 136
 137 @register.simple_tag
 138 def get_id(obj):
 139     return obj._id