panikombo/models.py

   1 from datetime import date
   2 import os
   3
   4 from django import template
   5 from django.db import models
   6 from django.utils.translation import ugettext_lazy as _
   7
   8 from ckeditor.fields import RichTextField
   9 from taggit.managers import TaggableManager
  10
  11 from combo.data.models import CellBase
  12 from combo.data.library import register_cell_class
  13
  14 from emissions.models import Episode, NewsItem
  15
  16 @register_cell_class
  17 class SoundCell(CellBase):
  18     soundfile = models.ForeignKey('emissions.SoundFile', null=True)
  19
  20     class Meta:
  21         verbose_name = _('Sound')
  22
  23     def render(self, context):
  24         tmpl = template.loader.get_template('panikombo/audio.html')
  25         context['soundfile'] = self.soundfile
  26         return tmpl.render(context)
  27
  28     def get_default_form_class(self):
  29         from .forms import SoundCellForm
  30         return SoundCellForm
  31
  32     def get_included_items(self):
  33         if not self.soundfile:
  34             return []
  35         return [self.soundfile.episode]
  36
  37     def get_additional_label(self):
  38         if self.soundfile:
  39             if self.soundfile.fragment:
  40                 return u'%s - %s - %s' % (
  41                         self.soundfile.episode.emission.title,
  42                         self.soundfile.episode.title,
  43                         self.soundfile.title)
  44             else:
  45                 return u'%s - %s' % (
  46                         self.soundfile.episode.emission.title,
  47                         self.soundfile.episode.title)
  48
  49         return ''
  50
  51
  52 @register_cell_class
  53 class EpisodeCell(CellBase):
  54     episode = models.ForeignKey('emissions.Episode', null=True)
  55
  56     class Meta:
  57         verbose_name = _('Episode')
  58
  59     def render(self, context):
  60         tmpl = template.loader.get_template('panikombo/episode.html')
  61         context['episode'] = self.episode
  62         if self.episode:
  63             context['soundfile'] = self.episode.main_sound
  64         return tmpl.render(context)
  65
  66     def get_included_items(self):
  67         if not self.episode:
  68             return []
  69         return [self.episode]
  70
  71     def get_default_form_class(self):
  72         from .forms import EpisodeCellForm
  73         return EpisodeCellForm
  74
  75     def get_additional_label(self):
  76         if self.episode:
  77             return u'%s - %s' % (
  78                         self.episode.emission.title,
  79                         self.episode.title)
  80         return ''
  81
  82
  83 @register_cell_class
  84 class EpisodeAutoSelectionCell(CellBase):
  85     title = models.CharField(_('Title'), max_length=50, blank=True)
  86     tags = TaggableManager(_('Tags'), blank=True)
  87     category = models.ForeignKey('emissions.Category', null=True, blank=True)
  88
  89     class Meta:
  90         verbose_name = _('Automatic Episode Selection')
  91
  92     def get_included_items(self):
  93         episodes_queryset = Episode.objects.select_related()
  94         if self.category:
  95             episodes_queryset = episodes_queryset.filter(emission__categories__in=[self.category.id])
  96         if self.tags.count():
  97             episodes_queryset = episodes_queryset.filter(tags__in=self.tags.all())
  98         return episodes_queryset
  99
 100     def render(self, context):
 101         tmpl = template.loader.get_template('panikombo/episode_auto_selection.html')
 102         context['title'] = self.title
 103
 104         episodes_queryset = self.get_included_items()
 105         episodes_queryset = episodes_queryset.extra(select={
 106                         'first_diffusion': 'emissions_diffusion.datetime',
 107                         },
 108                         select_params=(False, True),
 109                         where=['''datetime = (SELECT MIN(datetime)
 110                                                 FROM emissions_diffusion
 111                                                WHERE episode_id = emissions_episode.id)'''],
 112                         tables=['emissions_diffusion'],
 113                     ).order_by('-first_diffusion').distinct()
 114         context['episodes'] = episodes_queryset
 115         return tmpl.render(context)
 116
 117     def get_default_form_class(self):
 118         from .forms import EpisodeAutoSelectionCellForm
 119         return EpisodeAutoSelectionCellForm
 120
 121     def get_additional_label(self):
 122         if self.title:
 123             return self.title
 124         return ''
 125
 126 @register_cell_class
 127 class NewsItemAutoSelectionCell(CellBase):
 128     title = models.CharField(_('Title'), max_length=50, blank=True)
 129     tags = TaggableManager(_('Tags'), blank=True)
 130     future = models.BooleanField(_('Future Events Only'), default=True)
 131     category = models.ForeignKey('emissions.NewsCategory',
 132             verbose_name=_('Category'), null=True, blank=True)
 133
 134     class Meta:
 135         verbose_name = _('Automatic Newsitem Selection')
 136
 137     def get_included_items(self):
 138         newsitems_queryset = NewsItem.objects.select_related()
 139         if self.tags.count():
 140             newsitems_queryset = newsitems_queryset.filter(tags__in=self.tags.all())
 141         if self.future:
 142             newsitems_queryset = newsitems_queryset.filter(event_date__gte=date.today())
 143         if self.category:
 144             newsitems_queryset = newsitems_queryset.filter(category=self.category)
 145         newsitems_queryset = newsitems_queryset.order_by('-event_date', '-creation_timestamp')
 146         return newsitems_queryset
 147
 148     def render(self, context):
 149         tmpl = template.loader.get_template('panikombo/newsitem_auto_selection.html')
 150         context['title'] = self.title
 151         context['newsitems'] = self.get_included_items()
 152         return tmpl.render(context)
 153
 154     def get_default_form_class(self):
 155         from .forms import NewsItemAutoSelectionCellForm
 156         return NewsItemAutoSelectionCellForm
 157
 158     def get_additional_label(self):
 159         if self.title:
 160             return self.title
 161         return ''
 162
 163
 164 def get_topik_image_path(instance, filename):
 165     return os.path.join('images', 'topik', instance.page.slug,
 166             os.path.basename(filename))
 167
 168 class Topik(models.Model):
 169     page = models.ForeignKey('data.Page')
 170     image = models.ImageField(_('Image'),
 171             upload_to=get_topik_image_path, max_length=250, null=True, blank=True)
 172
 173     # denormalized from Focus
 174     got_focus = models.DateTimeField(default=None, null=True, blank=True)
 175     has_focus = models.BooleanField(default=False)
 176
 177     def __unicode__(self):
 178         if not self.page:
 179             return super(Topik, self).__unicode__()
 180         return unicode(self.page)
 181
 182
 183 class ItemTopik(models.Model):
 184     newsitem = models.ForeignKey('emissions.NewsItem', verbose_name=_('News Item'),
 185             null=True, blank=True)
 186     episode = models.ForeignKey('emissions.Episode', verbose_name=_('Episode'),
 187             null=True, blank=True)
 188     topik = models.ForeignKey('Topik', verbose_name='Topik',
 189             null=True, blank=True)
 190
 191
 192 @register_cell_class
 193 class TopikCell(CellBase):
 194     topik = models.ForeignKey(Topik, null=True)
 195     text = RichTextField(_('Text'), blank=True, null=True)
 196
 197     template_name = 'panikombo/topik-cell.html'
 198
 199     class Meta:
 200         verbose_name = _('Topik')
 201
 202     def get_additional_label(self):
 203         if not self.topik:
 204             return ''
 205         return self.topik.page.title