contrib/penfield/models.py

   1 from django.db import models
   2 from django.conf import settings
   3 from philo.models import Tag, Titled, Entity, MultiView, Page, register_value_model
   4 from philo.exceptions import ViewCanNotProvideSubpath
   5 from django.conf.urls.defaults import url, patterns, include
   6 from django.core.urlresolvers import reverse
   7 from django.http import Http404
   8 from datetime import datetime
   9 from philo.utils import paginate
  10 from philo.contrib.penfield.validators import validate_pagination_count
  11 from django.utils.feedgenerator import Atom1Feed, Rss201rev2Feed
  12 from philo.contrib.penfield.utils import FeedMultiViewMixin
  13
  14
  15 class Blog(Entity, Titled):
  16         @property
  17         def entry_tags(self):
  18                 """ Returns a QuerySet of Tags that are used on any entries in this blog. """
  19                 return Tag.objects.filter(blogentries__blog=self).distinct()
  20
  21         @property
  22         def entry_dates(self):
  23                 dates = {'year': self.entries.dates('date', 'year', order='DESC'), 'month': self.entries.dates('date', 'month', order='DESC'), 'day': self.entries.dates('date', 'day', order='DESC')}
  24                 return dates
  25
  26
  27 register_value_model(Blog)
  28
  29
  30 class BlogEntry(Entity, Titled):
  31         blog = models.ForeignKey(Blog, related_name='entries', blank=True, null=True)
  32         author = models.ForeignKey(getattr(settings, 'PHILO_PERSON_MODULE', 'auth.User'), related_name='blogentries')
  33         date = models.DateTimeField(default=datetime.now)
  34         content = models.TextField()
  35         excerpt = models.TextField(blank=True, null=True)
  36         tags = models.ManyToManyField(Tag, related_name='blogentries', blank=True, null=True)
  37
  38         class Meta:
  39                 ordering = ['-date']
  40                 verbose_name_plural = "blog entries"
  41
  42
  43 register_value_model(BlogEntry)
  44
  45
  46 class BlogView(MultiView, FeedMultiViewMixin):
  47         ENTRY_PERMALINK_STYLE_CHOICES = (
  48                 ('D', 'Year, month, and day'),
  49                 ('M', 'Year and month'),
  50                 ('Y', 'Year'),
  51                 ('B', 'Custom base'),
  52                 ('N', 'No base')
  53         )
  54
  55         blog = models.ForeignKey(Blog, related_name='blogviews')
  56
  57         index_page = models.ForeignKey(Page, related_name='blog_index_related')
  58         entry_page = models.ForeignKey(Page, related_name='blog_entry_related')
  59         entry_archive_page = models.ForeignKey(Page, related_name='blog_entry_archive_related', null=True, blank=True)
  60         tag_page = models.ForeignKey(Page, related_name='blog_tag_related')
  61         tag_archive_page = models.ForeignKey(Page, related_name='blog_tag_archive_related', null=True, blank=True)
  62         entries_per_page = models.IntegerField(blank=True, validators=[validate_pagination_count], null=True)
  63
  64         entry_permalink_style = models.CharField(max_length=1, choices=ENTRY_PERMALINK_STYLE_CHOICES)
  65         entry_permalink_base = models.CharField(max_length=255, blank=False, default='entries')
  66         tag_permalink_base = models.CharField(max_length=255, blank=False, default='tags')
  67         feed_suffix = models.CharField(max_length=255, blank=False, default=FeedMultiViewMixin.feed_suffix)
  68         feeds_enabled = models.BooleanField()
  69         list_var = 'entries'
  70
  71         def __unicode__(self):
  72                 return u'BlogView for %s' % self.blog.title
  73
  74         @property
  75         def per_page(self):
  76                 return self.entries_per_page
  77
  78         def get_subpath(self, obj):
  79                 if isinstance(obj, BlogEntry):
  80                         if obj.blog == self.blog:
  81                                 kwargs = {'slug': obj.slug}
  82                                 if self.entry_permalink_style in 'DMY':
  83                                         kwargs.update({'year': str(obj.date.year).zfill(4)})
  84                                         if self.entry_permalink_style in 'DM':
  85                                                 kwargs.update({'month': str(obj.date.month).zfill(2)})
  86                                                 if self.entry_permalink_style == 'D':
  87                                                         kwargs.update({'day': str(obj.date.day).zfill(2)})
  88                                 return reverse(self.entry_view, urlconf=self, kwargs=kwargs)
  89                 elif isinstance(obj, Tag):
  90                         if obj in self.blog.entry_tags:
  91                                 return reverse('entries_by_tag', urlconf=self, kwargs={'tag_slugs': obj.slug})
  92                 elif isinstance(obj, (str, unicode)):
  93                         split_obj = obj.split(':')
  94                         if len(split_obj) > 1:
  95                                 kwargs = {}
  96                                 try:
  97                                         kwargs.update({'year': str(int(split_obj[1])).zfill(4)})
  98                                         if len(split_obj) > 2:
  99                                                 kwargs.update({'month': str(int(split_obj[2])).zfill(2)})
 100                                                 if len(split_obj) > 3:
 101                                                         kwargs.update({'day': str(int(split_obj[3])).zfill(2)})
 102                                                         return reverse('entries_by_day', urlconf=self, kwargs=kwargs)
 103                                                 return reverse('entries_by_month', urlconf=self, kwargs=kwargs)
 104                                         return reverse('entries_by_year', urlconf=self, kwargs=kwargs)
 105                                 except:
 106                                         pass
 107                 raise ViewCanNotProvideSubpath
 108
 109         def get_context(self):
 110                 return {'blog': self.blog}
 111
 112         @property
 113         def urlpatterns(self):
 114                 urlpatterns = patterns('',
 115                         url(r'^', include(self.feed_patterns(self.get_all_entries, self.index_page, 'index'))),
 116                         url(r'^%s/(?P<tag_slugs>[-\w]+[-+/\w]*)/%s/' % (self.tag_permalink_base, self.feed_suffix), self.feed_view(self.get_entries_by_tag, 'entries_by_tag_feed'), name='entries_by_tag_feed'),
 117                         url(r'^%s/(?P<tag_slugs>[-\w]+[-+/\w]*)/' % self.tag_permalink_base, self.page_view(self.get_entries_by_tag, self.tag_page), name='entries_by_tag')
 118                 )
 119                 if self.tag_archive_page:
 120                         urlpatterns += patterns('',
 121                                 url((r'^(?:%s)/?$' % self.tag_permalink_base), self.tag_archive_view)
 122                         )
 123
 124                 if self.entry_archive_page:
 125                         if self.entry_permalink_style in 'DMY':
 126                                 urlpatterns += patterns('',
 127                                         url(r'^(?P<year>\d{4})/', include(self.feed_patterns(self.get_entries_by_ymd, self.entry_archive_page, 'entries_by_year')))
 128                                 )
 129                                 if self.entry_permalink_style in 'DM':
 130                                         urlpatterns += patterns('',
 131                                                 url(r'^(?P<year>\d{4})/(?P<month>\d{2})/?$', include(self.feed_patterns(self.get_entries_by_ymd, self.entry_archive_page, 'entries_by_month'))),
 132                                         )
 133                                         if self.entry_permalink_style == 'D':
 134                                                 urlpatterns += patterns('',
 135                                                         url(r'^(?P<year>\d{4})/(?P<month>\d{2})/(?P<day>\d{2})/?$', include(self.feed_patterns(self.get_entries_by_ymd, self.entry_archive_page, 'entries_by_day')))
 136                                                 )
 137
 138                 if self.entry_permalink_style == 'D':
 139                         urlpatterns += patterns('',
 140                                 url(r'^(?P<year>\d{4})/(?P<month>\d{2})/(?P<day>\d{2})/(?P<slug>[-\w]+)/?$', self.entry_view)
 141                         )
 142                 elif self.entry_permalink_style == 'M':
 143                         urlpatterns += patterns('',
 144                                 url(r'^(?P<year>\d{4})/(?P<month>\d{2})/(?P<slug>[-\w]+)/?$', self.entry_view)
 145                         )
 146                 elif self.entry_permalink_style == 'Y':
 147                         urlpatterns += patterns('',
 148                                 url(r'^(?P<year>\d{4})/(?P<slug>[-\w]+)/?$', self.entry_view)
 149                         )
 150                 elif self.entry_permalink_style == 'B':
 151                         urlpatterns += patterns('',
 152                                 url((r'^(?:%s)/(?P<slug>[-\w]+)/?$' % self.entry_permalink_base), self.entry_view)
 153                         )
 154                 else:
 155                         urlpatterns = patterns('',
 156                                 url(r'^(?P<slug>[-\w]+)/?$', self.entry_view)
 157                         )
 158                 return urlpatterns
 159
 160         def get_all_entries(self, request, node=None, extra_context=None):
 161                 return self.blog.entries.all(), extra_context
 162
 163         def get_entries_by_ymd(self, request, year=None, month=None, day=None, node=None, extra_context=None):
 164                 if not self.entry_archive_page:
 165                         raise Http404
 166                 entries = self.blog.entries.all()
 167                 if year:
 168                         entries = entries.filter(date__year=year)
 169                 if month:
 170                         entries = entries.filter(date__month=month)
 171                 if day:
 172                         entries = entries.filter(date__day=day)
 173
 174                 context = extra_context or {}
 175                 context.update({'year': year, 'month': month, 'day': day})
 176                 return entries, context
 177
 178         def get_entries_by_tag(self, request, tag_slugs, node=None, extra_context=None):
 179                 tags = []
 180                 for tag_slug in tag_slugs.replace('+', '/').split('/'):
 181                         if tag_slug: # ignore blank slugs, handles for multiple consecutive separators (+ or /)
 182                                 try:
 183                                         tag = self.blog.entry_tags.get(slug=tag_slug)
 184                                 except:
 185                                         raise Http404
 186                                 tags.append(tag)
 187                 if len(tags) <= 0:
 188                         raise Http404
 189
 190                 entries = self.blog.entries.all()
 191                 for tag in tags:
 192                         entries = entries.filter(tags=tag)
 193
 194                 context = self.get_context()
 195                 context.update(extra_context or {})
 196                 context.update({'tags': tags})
 197
 198                 return entries, context
 199
 200         def add_item(self, feed, obj, kwargs=None):
 201                 defaults = {
 202                         'title': obj.title,
 203                         'description': obj.excerpt or obj.content,
 204                         'author_name': obj.author.get_full_name(),
 205                         'pubdate': obj.date
 206                 }
 207                 defaults.update(kwargs or {})
 208                 super(BlogView, self).add_item(feed, obj, defaults)
 209
 210         def get_feed(self, feed_type, extra_context, kwargs=None):
 211                 tags = (extra_context or {}).get('tags', None)
 212                 title = self.blog.title
 213
 214                 if tags is not None:
 215                         title += " - %s" % ', '.join([tag.name for tag in tags])
 216
 217                 defaults = {
 218                         'title': title
 219                 }
 220                 defaults.update(kwargs or {})
 221                 return super(BlogView, self).get_feed(feed_type, extra_context, defaults)
 222
 223         def entry_view(self, request, slug, year=None, month=None, day=None, node=None, extra_context=None):
 224                 entries = self.blog.entries.all()
 225                 if year:
 226                         entries = entries.filter(date__year=year)
 227                 if month:
 228                         entries = entries.filter(date__month=month)
 229                 if day:
 230                         entries = entries.filter(date__day=day)
 231                 try:
 232                         entry = entries.get(slug=slug)
 233                 except:
 234                         raise Http404
 235                 context = self.get_context()
 236                 context.update(extra_context or {})
 237                 context.update({'entry': entry})
 238                 return self.entry_page.render_to_response(node, request, extra_context=context)
 239
 240         def tag_archive_view(self, request, node=None, extra_context=None):
 241                 if not self.tag_archive_page:
 242                         raise Http404
 243                 context = {}
 244                 context.update(extra_context or {})
 245                 context.update({'blog': self.blog})
 246                 return self.tag_archive_page.render_to_response(node, request, extra_context=context)
 247
 248
 249 class Newsletter(Entity, Titled):
 250         pass
 251
 252
 253 register_value_model(Newsletter)
 254
 255
 256 class NewsletterArticle(Entity, Titled):
 257         newsletter = models.ForeignKey(Newsletter, related_name='articles')
 258         authors = models.ManyToManyField(getattr(settings, 'PHILO_PERSON_MODULE', 'auth.User'), related_name='newsletterarticles')
 259         date = models.DateTimeField(default=datetime.now)
 260         lede = models.TextField(null=True, blank=True)
 261         full_text = models.TextField()
 262         tags = models.ManyToManyField(Tag, related_name='newsletterarticles', blank=True, null=True)
 263
 264         class Meta:
 265                 get_latest_by = 'date'
 266                 ordering = ['-date']
 267                 unique_together = (('newsletter', 'slug'),)
 268
 269
 270 register_value_model(NewsletterArticle)
 271
 272
 273 class NewsletterIssue(Entity, Titled):
 274         newsletter = models.ForeignKey(Newsletter, related_name='issues')
 275         numbering = models.CharField(max_length=50, help_text='For example, 04.02 for volume 4, issue 2.')
 276         articles = models.ManyToManyField(NewsletterArticle, related_name='issues')
 277
 278         class Meta:
 279                 ordering = ['-numbering']
 280                 unique_together = (('newsletter', 'numbering'),)
 281
 282
 283 register_value_model(NewsletterIssue)
 284
 285
 286 class NewsletterView(MultiView, FeedMultiViewMixin):
 287         ARTICLE_PERMALINK_STYLE_CHOICES = (
 288                 ('D', 'Year, month, and day'),
 289                 ('M', 'Year and month'),
 290                 ('Y', 'Year'),
 291                 ('S', 'Slug only')
 292         )
 293
 294         newsletter = models.ForeignKey(Newsletter, related_name='newsletterviews')
 295
 296         index_page = models.ForeignKey(Page, related_name='newsletter_index_related')
 297         article_page = models.ForeignKey(Page, related_name='newsletter_article_related')
 298         article_archive_page = models.ForeignKey(Page, related_name='newsletter_article_archive_related', null=True, blank=True)
 299         issue_page = models.ForeignKey(Page, related_name='newsletter_issue_related')
 300         issue_archive_page = models.ForeignKey(Page, related_name='newsletter_issue_archive_related', null=True, blank=True)
 301
 302         article_permalink_style = models.CharField(max_length=1, choices=ARTICLE_PERMALINK_STYLE_CHOICES)
 303         article_permalink_base = models.CharField(max_length=255, blank=False, default='articles')
 304         issue_permalink_base = models.CharField(max_length=255, blank=False, default='issues')
 305
 306         feed_suffix = models.CharField(max_length=255, blank=False, default=FeedMultiViewMixin.feed_suffix)
 307         feeds_enabled = models.BooleanField()
 308         list_var = 'articles'
 309
 310         def __unicode__(self):
 311                 return self.newsletter.__unicode__()
 312
 313         def get_subpath(self, obj):
 314                 if isinstance(obj, NewsletterArticle):
 315                         if obj.newsletter == self.newsletter:
 316                                 kwargs = {'slug': obj.slug}
 317                                 if self.article_permalink_style in 'DMY':
 318                                         kwargs.update({'year': str(obj.date.year).zfill(4)})
 319                                         if self.article_permalink_style in 'DM':
 320                                                 kwargs.update({'month': str(obj.date.month).zfill(2)})
 321                                                 if self.article_permalink_style == 'D':
 322                                                         kwargs.update({'day': str(obj.date.day).zfill(2)})
 323                                 return reverse(self.article_view, urlconf=self, kwargs=kwargs)
 324                 elif isinstance(obj, NewsletterIssue):
 325                         if obj.newsletter == self.newsletter:
 326                                 return reverse('issue', urlconf=self, kwargs={'numbering': obj.numbering})
 327                 raise ViewCanNotProvideSubpath
 328
 329         @property
 330         def urlpatterns(self):
 331                 urlpatterns = patterns('',
 332                         url(r'^', include(self.feed_patterns(self.get_all_articles, self.index_page, 'index'))),
 333                         url(r'^(?:%s)/(?P<numbering>.+)/' % self.issue_permalink_base, include(self.feed_patterns(self.get_articles_by_issue, self.issue_page, 'issue')))
 334                 )
 335                 if self.issue_archive_page:
 336                         urlpatterns += patterns('',
 337                                 url(r'^(?:%s)/$' % self.issue_permalink_base, self.issue_archive_view)
 338                         )
 339                 if self.article_archive_page:
 340                         urlpatterns += patterns('',
 341                                 url(r'^(?:%s)/' % self.article_permalink_base, include(self.feed_patterns(self.get_all_articles, self.article_archive_page, 'articles')))
 342                         )
 343                         if self.article_permalink_style in 'DMY':
 344                                 urlpatterns += patterns('',
 345                                         url(r'^(?:%s)/(?P<year>\d{4})/' % self.article_permalink_base, include(self.feed_patterns(self.get_articles_by_ymd, self.article_archive_page, 'articles_by_year')))
 346                                 )
 347                                 if self.article_permalink_style in 'DM':
 348                                         urlpatterns += patterns('',
 349                                                 url(r'^(?:%s)/(?P<year>\d{4})/(?P<month>\d{2})/' % self.article_permalink_base, include(self.feed_patterns(self.get_articles_by_ymd, self.article_archive_page, 'articles_by_month')))
 350                                         )
 351                                         if self.article_permalink_style == 'D':
 352                                                 urlpatterns += patterns('',
 353                                                         url(r'^(?:%s)/(?P<year>\d{4})/(?P<month>\d{2})/(?P<day>\d{2})/' % self.article_permalink_base, include(self.feed_patterns(self.get_articles_by_ymd, self.article_archive_page, 'articles_by_day')))
 354                                                 )
 355
 356                 if self.article_permalink_style == 'Y':
 357                         urlpatterns += patterns('',
 358                                 url(r'^(?:%s)/(?P<year>\d{4})/(?P<slug>[\w-]+)/$' % self.article_permalink_base, self.article_view)
 359                         )
 360                 elif self.article_permalink_style == 'M':
 361                         urlpatterns += patterns('',
 362                                 url(r'^(?:%s)/(?P<year>\d{4})/(?P<month>\d{2})/(?P<slug>[\w-]+)/$' % self.article_permalink_base, self.article_view)
 363                         )
 364                 elif self.article_permalink_style == 'D':
 365                         urlpatterns += patterns('',
 366                                 url(r'^(?:%s)/(?P<year>\d{4})/(?P<month>\d{2})/(?P<day>\d{2})/(?P<slug>[\w-]+)/$' % self.article_permalink_base, self.article_view)
 367                         )
 368                 else:
 369                         urlpatterns += patterns('',
 370                                 url(r'^(?:%s)/(?P<slug>[-\w]+)/?$' % self.article_permalink_base, self.article_view)
 371                         )
 372
 373                 return urlpatterns
 374
 375         def get_context(self):
 376                 return {'newsletter': self.newsletter}
 377
 378         def get_all_articles(self, request, node, extra_context=None):
 379                 return self.newsletter.articles.all(), extra_context
 380
 381         def get_articles_by_ymd(self, request, year, month=None, day=None, node=None, extra_context=None):
 382                 articles = self.newsletter.articles.filter(dat__year=year)
 383                 if month:
 384                         articles = articles.filter(date__month=month)
 385                 if day:
 386                         articles = articles.filter(date__day=day)
 387                 return articles
 388
 389         def get_articles_by_issue(self, request, numbering, node=None, extra_context=None):
 390                 try:
 391                         issue = self.newsletter.issues.get(numbering=numbering)
 392                 except:
 393                         raise Http404
 394                 context = extra_context or {}
 395                 context.update({'issue': issue})
 396                 return issue.articles.all(), context
 397
 398         def article_view(self, request, slug, year=None, month=None, day=None, node=None, extra_context=None):
 399                 articles = self.newsletter.articles.all()
 400                 if year:
 401                         articles = articles.filter(date__year=year)
 402                 if month:
 403                         articles = articles.filter(date__month=month)
 404                 if day:
 405                         articles = articles.filter(date__day=day)
 406                 try:
 407                         article = articles.get(slug=slug)
 408                 except:
 409                         raise Http404
 410                 context = self.get_context()
 411                 context.update(extra_context or {})
 412                 context.update({'article': article})
 413                 return self.article_page.render_to_response(node, request, extra_context=context)
 414
 415         def issue_archive_view(self, request, node=None, extra_context=None):
 416                 if not self.issue_archive_page:
 417                         raise Http404
 418                 context = {}
 419                 context.update(extra_context or {})
 420                 context.update({'newsletter': self.newsletter})
 421                 return self.issue_archive_page.render_to_response(node, request, extra_context=context)
 422
 423         def add_item(self, feed, obj, kwargs=None):
 424                 defaults = {
 425                         'title': obj.title,
 426                         'author_name': ', '.join(obj.authors),
 427                         'pubdate': obj.date,
 428                         'description': obj.lede or obj.full_text,
 429                         'categories': [tag.name for tag in obj.tags.all()]
 430                 }
 431                 defaults.update(kwargs or {})
 432                 super(NewsletterView, self).add_item(feed, obj, defaults)
 433
 434         def get_feed(self, feed_type, extra_context, kwargs=None):
 435                 title = self.newsletter.title
 436
 437                 defaults = {
 438                         'title': title
 439                 }
 440                 defaults.update(kwargs or {})
 441                 return super(NewsletterView, self).get_feed(feed_type, extra_context, defaults)