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 from django.contrib.staticfiles.storage import staticfiles_storage
   6
   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="%s" alt="nothing" title="%s" />' % \
  43             (staticfiles_storage.url('nothing.png'), _('Unplayed episode'))
  44
  45     else:
  46         date_string   = (_(' on %s') % (action.timestamp)) if action.timestamp else ''
  47         device_string = (_(' on %s') % (action.client.name)) if action.client else ''
  48
  49         if action.action == 'flattr':
  50             s = '<img src="https://flattr.com/_img/icons/flattr_logo_16.png" alt="flattr" title="%s" />' % (_("The episode has been flattr'd"),)
  51
  52         elif action.action == 'new':
  53             s = '<img src="%s" alt="new" title="%s" />' % (staticfiles_storage.url('new.png'), '%s%s%s' % (_('This episode has been marked new'),date_string, device_string))
  54         elif action.action == 'download':
  55             s = '<img src="%s" alt="downloaded" title="%s" />' % (staticfiles_storage.url('download.png'), '%s%s%s' % (_('This episode has been downloaded'),date_string, device_string))
  56         elif action.action == 'play':
  57             if action.playmark is not None:
  58                 if getattr(action, 'started', None) is not None:
  59                     playback_info = _(' from %(start)s to %(end)s') % { \
  60                             'start': utils.format_time(action.started), \
  61                             'end': utils.format_time(action.playmark)}
  62                 else:
  63                     playback_info = _(' to position %s') % (\
  64                             utils.format_time(action.playmark),)
  65             else:
  66                 playback_info = ''
  67             s = '<img src="%s" alt="played" title="%s" />' % (staticfiles_storage.url('playback.png'), '%s%s%s%s' % (_('This episode has been played'),date_string, device_string, playback_info))
  68         elif action.action == 'delete':
  69             s = '<img src="%s" alt="deleted" title="%s"/>' % (staticfiles_storage.url('delete.png'), '%s%s%s' % (_('This episode has been deleted'),date_string, device_string))
  70         else:
  71             return action.action  # this is not marked safe by intention
  72
  73     return mark_safe(s)
  74
  75
  76 @register.filter
  77 def is_image(episode):
  78     mimetypes = episode.mimetypes.split(',')
  79     return any(get_type(mimetype) == 'image' for mimetype in mimetypes)
  80
  81
  82 class EpisodeLinkTargetNode(template.Node):
  83     """ Links to a (view of a) Podcast """
  84
  85     def __init__(self, episode, podcast, view_name='episode', add_args=[]):
  86         self.episode = template.Variable(episode)
  87         self.podcast = template.Variable(podcast)
  88         self.view_name = view_name.replace('"', '')
  89         self.add_args = [template.Variable(arg) for arg in add_args]
  90
  91
  92     def render(self, context):
  93         episode = self.episode.resolve(context)
  94         podcast = self.podcast.resolve(context)
  95         add_args = [arg.resolve(context) for arg in self.add_args]
  96         return get_episode_link_target(episode, podcast, self.view_name, add_args)
  97
  98
  99     @staticmethod
 100     def compile(parser, token):
 101         try:
 102             contents  = token.split_contents()
 103             tag_name  = contents[0]
 104             episode   = contents[1]
 105             podcast   = contents[2]
 106             view_name = contents[3] if len(contents) > 3 else 'episode'
 107             add_args  = contents[4:]
 108
 109         except ValueError:
 110             raise template.TemplateSyntaxError("%r tag requires at least one argument" % token.contents.split()[0])
 111
 112         return EpisodeLinkTargetNode(episode, podcast, view_name, add_args)
 113
 114
 115 register.tag('episode_link_target', EpisodeLinkTargetNode.compile)
 116
 117
 118
 119 @register.simple_tag
 120 def episode_link(episode, podcast, title=None):
 121     """ Returns the link for a single Episode """
 122
 123     title = title or getattr(episode, 'display_title', None) or \
 124             episode.get_short_title(podcast.common_episode_title) or \
 125             episode.title or \
 126             _('Unknown Episode')
 127
 128     title = strip_tags(title)
 129
 130     return '<a href="%(target)s" title="%(title)s">%(title)s</a>' % \
 131         dict(target=get_episode_link_target(episode, podcast), title=title)
 132
 133
 134 @register.simple_tag
 135 def get_id(obj):
 136     return obj._id
 137
 138
 139 @register.simple_tag
 140 def episode_number(episode, podcast):
 141     num = episode.get_episode_number(podcast.common_episode_title)
 142     return num or ""
 143
 144 @register.simple_tag
 145 def episode_short_title(episode, podcast):
 146     title = episode.get_short_title(podcast.common_episode_title)
 147     return title or ""