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.models import Tag
  10 from taggit.managers import TaggableManager
  11 from taggit.utils import parse_tags
  12
  13 from combo.data.models import CellBase
  14 from combo.data.library import register_cell_class
  15
  16 from emissions.models import Episode, NewsItem
  17
  18 @register_cell_class
  19 class SoundCell(CellBase):
  20     soundfile = models.ForeignKey('emissions.SoundFile', null=True)
  21
  22     class Meta:
  23         verbose_name = _('Sound')
  24
  25     def render(self, context):
  26         tmpl = template.loader.get_template('panikombo/audio.html')
  27         context['soundfile'] = self.soundfile
  28         return tmpl.render(context)
  29
  30     def get_default_form_class(self):
  31         from .forms import SoundCellForm
  32         return SoundCellForm
  33
  34     def get_included_items(self):
  35         if not self.soundfile:
  36             return []
  37         return [self.soundfile.episode]
  38
  39     def get_additional_label(self):
  40         if self.soundfile:
  41             if self.soundfile.fragment:
  42                 return u'%s - %s - %s' % (
  43                         self.soundfile.episode.emission.title,
  44                         self.soundfile.episode.title,
  45                         self.soundfile.title)
  46             else:
  47                 return u'%s - %s' % (
  48                         self.soundfile.episode.emission.title,
  49                         self.soundfile.episode.title)
  50
  51         return ''
  52
  53
  54 @register_cell_class
  55 class EpisodeCell(CellBase):
  56     episode = models.ForeignKey('emissions.Episode', null=True)
  57
  58     class Meta:
  59         verbose_name = _('Episode')
  60
  61     def render(self, context):
  62         tmpl = template.loader.get_template('panikombo/episode.html')
  63         context['episode'] = self.episode
  64         if self.episode:
  65             context['soundfile'] = self.episode.main_sound
  66         return tmpl.render(context)
  67
  68     def get_included_items(self):
  69         if not self.episode:
  70             return []
  71         return [self.episode]
  72
  73     def get_default_form_class(self):
  74         from .forms import EpisodeCellForm
  75         return EpisodeCellForm
  76
  77     def get_additional_label(self):
  78         if self.episode:
  79             return u'%s - %s' % (
  80                         self.episode.emission.title,
  81                         self.episode.title)
  82         return ''
  83
  84
  85 def get_parsed_tags(tagstring):
  86     tags = parse_tags(tagstring)
  87     return [x for x in Tag.objects.filter(name__in=tags)]
  88
  89
  90 @register_cell_class
  91 class EpisodeAutoSelectionCell(CellBase):
  92     title = models.CharField(_('Title'), max_length=50, blank=True)
  93     tags = TaggableManager(_('Tags'), blank=True)
  94     and_tags = models.CharField(_('And Tags'), max_length=100, blank=True)
  95     category = models.ForeignKey('emissions.Category', null=True, blank=True)
  96     period = models.PositiveSmallIntegerField(
  97             _('Period'), default=0,
  98             choices=((0, _('All')),
  99                      (1, _('Future')),
 100                      (2, _('Past'))))
 101
 102
 103     class Meta:
 104         verbose_name = _('Automatic Episode Selection')
 105
 106     def get_included_items(self):
 107         episodes_queryset = Episode.objects.select_related()
 108         if self.category:
 109             episodes_queryset = episodes_queryset.filter(emission__categories__in=[self.category.id])
 110         if self.tags.count():
 111             episodes_queryset = episodes_queryset.filter(tags__in=self.tags.all())
 112             if self.and_tags:
 113                 and_tags = get_parsed_tags(self.and_tags)
 114                 episodes_queryset = episodes_queryset.filter(tags__in=and_tags)
 115
 116         if self.period == 0:
 117             episodes_queryset = episodes_queryset.extra(
 118                     select={ 'first_diffusion': 'emissions_diffusion.datetime', },
 119                     select_params=(False, True),
 120                     where=['''datetime = (SELECT MIN(datetime) FROM emissions_diffusion
 121                                            WHERE episode_id = emissions_episode.id)'''],
 122                     tables=['emissions_diffusion'])
 123         elif self.period == 1:
 124             episodes_queryset = episodes_queryset.extra(
 125                     select={ 'first_diffusion': 'emissions_diffusion.datetime', },
 126                     select_params=(False, True),
 127                     where=['''datetime = (SELECT MIN(datetime) FROM emissions_diffusion
 128                                            WHERE episode_id = emissions_episode.id) AND
 129                                                  datetime >= CURRENT_TIMESTAMP'''],
 130                     tables=['emissions_diffusion'])
 131         elif self.period == 2:
 132             episodes_queryset = episodes_queryset.extra(
 133                     select={ 'first_diffusion': 'emissions_diffusion.datetime', },
 134                     select_params=(False, True),
 135                     where=['''datetime = (SELECT MIN(datetime) FROM emissions_diffusion
 136                                            WHERE episode_id = emissions_episode.id) AND
 137                                                  datetime < CURRENT_TIMESTAMP'''],
 138                     tables=['emissions_diffusion'])
 139
 140         return episodes_queryset
 141
 142     def render(self, context):
 143         tmpl = template.loader.get_template('panikombo/episode_auto_selection.html')
 144         context['title'] = self.title
 145
 146         if (self.category or self.period or self.tags.count()):
 147             episodes_queryset = self.get_included_items()
 148             episodes_queryset = episodes_queryset.order_by('-first_diffusion').distinct()
 149             context['episodes'] = episodes_queryset
 150         else:
 151             context['episodes'] = []
 152         return tmpl.render(context)
 153
 154     def get_default_form_class(self):
 155         from .forms import EpisodeAutoSelectionCellForm
 156         return EpisodeAutoSelectionCellForm
 157
 158     def get_additional_label(self):
 159         if self.title:
 160             return self.title
 161         return ''
 162
 163 @register_cell_class
 164 class NewsItemAutoSelectionCell(CellBase):
 165     title = models.CharField(_('Title'), max_length=50, blank=True)
 166     tags = TaggableManager(_('Tags'), blank=True)
 167     and_tags = models.CharField(_('And Tags'), max_length=100, blank=True)
 168     future = models.BooleanField(_('Future Events Only'), default=True)
 169     category = models.ForeignKey('emissions.NewsCategory',
 170             verbose_name=_('Category'), null=True, blank=True)
 171
 172     class Meta:
 173         verbose_name = _('Automatic Newsitem Selection')
 174
 175     def get_included_items(self):
 176         newsitems_queryset = NewsItem.objects.select_related()
 177         if self.tags.count():
 178             newsitems_queryset = newsitems_queryset.filter(tags__in=self.tags.all())
 179             if self.and_tags:
 180                 and_tags = get_parsed_tags(self.and_tags)
 181                 newsitems_queryset = newsitems_queryset.filter(tags__in=and_tags)
 182         if self.future:
 183             newsitems_queryset = newsitems_queryset.filter(event_date__gte=date.today())
 184         if self.category:
 185             newsitems_queryset = newsitems_queryset.filter(category=self.category)
 186         newsitems_queryset = newsitems_queryset.order_by('-event_date', '-creation_timestamp')
 187         return newsitems_queryset
 188
 189     def render(self, context):
 190         tmpl = template.loader.get_template('panikombo/newsitem_auto_selection.html')
 191         context['title'] = self.title
 192         if self.tags.count() or self.future or self.category:
 193             context['newsitems'] = self.get_included_items()
 194         else:
 195             context['newsitems'] = []
 196         return tmpl.render(context)
 197
 198     def get_default_form_class(self):
 199         from .forms import NewsItemAutoSelectionCellForm
 200         return NewsItemAutoSelectionCellForm
 201
 202     def get_additional_label(self):
 203         if self.title:
 204             return self.title
 205         return ''
 206
 207
 208 def get_topik_image_path(instance, filename):
 209     return os.path.join('images', 'topik', instance.page.slug,
 210             os.path.basename(filename))
 211
 212 class Topik(models.Model):
 213     page = models.ForeignKey('data.Page')
 214     image = models.ImageField(_('Image'),
 215             upload_to=get_topik_image_path, max_length=250, null=True, blank=True)
 216
 217     # denormalized from Focus
 218     got_focus = models.DateTimeField(default=None, null=True, blank=True)
 219     has_focus = models.BooleanField(default=False)
 220
 221     def __unicode__(self):
 222         if not self.page:
 223             return super(Topik, self).__unicode__()
 224         return unicode(self.page)
 225
 226
 227 class ItemTopik(models.Model):
 228     newsitem = models.ForeignKey('emissions.NewsItem', verbose_name=_('News Item'),
 229             null=True, blank=True)
 230     episode = models.ForeignKey('emissions.Episode', verbose_name=_('Episode'),
 231             null=True, blank=True)
 232     topik = models.ForeignKey('Topik', verbose_name='Topik',
 233             null=True, blank=True)
 234
 235
 236 @register_cell_class
 237 class TopikCell(CellBase):
 238     topik = models.ForeignKey(Topik, null=True)
 239     text = RichTextField(_('Text'), blank=True, null=True)
 240
 241     template_name = 'panikombo/topik-cell.html'
 242
 243     class Meta:
 244         verbose_name = _('Topik')
 245
 246     def get_additional_label(self):
 247         if not self.topik:
 248             return ''
 249         return self.topik.page.title