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