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 django.conf.urls.defaults import url, patterns
   5 from django.http import Http404, HttpResponse
   6 from datetime import datetime
   7 from philo.contrib.penfield.utils import paginate
   8 from philo.contrib.penfield.validators import validate_pagination_count
   9
  10
  11 class Blog(Entity, Titled):
  12         @property
  13         def entry_tags(self):
  14                 """ Returns a QuerySet of Tags that are used on any entries in this blog. """
  15                 return Tag.objects.filter(blogentries__blog=self).distinct()
  16
  17
  18 register_value_model(Blog)
  19
  20
  21 class BlogEntry(Entity, Titled):
  22         blog = models.ForeignKey(Blog, related_name='entries')
  23         author = models.ForeignKey(getattr(settings, 'PHILO_PERSON_MODULE', 'auth.User'), related_name='blogentries')
  24         date = models.DateTimeField(default=datetime.now)
  25         content = models.TextField()
  26         excerpt = models.TextField(blank=True, null=True)
  27         tags = models.ManyToManyField(Tag, related_name='blogentries', blank=True, null=True)
  28
  29         class Meta:
  30                 ordering = ['-date']
  31                 verbose_name_plural = "blog entries"
  32
  33
  34 register_value_model(BlogEntry)
  35
  36
  37 class BlogView(MultiView):
  38         ENTRY_PERMALINK_STYLE_CHOICES = (
  39                 ('D', 'Year, month, and day'),
  40                 ('M', 'Year and month'),
  41                 ('Y', 'Year'),
  42                 ('B', 'Custom base'),
  43                 ('N', 'No base')
  44         )
  45
  46         blog = models.ForeignKey(Blog, related_name='blogviews')
  47
  48         index_page = models.ForeignKey(Page, related_name='blog_index_related')
  49         entry_page = models.ForeignKey(Page, related_name='blog_entry_related')
  50         entry_archive_page = models.ForeignKey(Page, related_name='blog_entry_archive_related', null=True, blank=True)
  51         tag_page = models.ForeignKey(Page, related_name='blog_tag_related')
  52         tag_archive_page = models.ForeignKey(Page, related_name='blog_tag_archive_related', null=True, blank=True)
  53         entries_per_page = models.IntegerField(blank=True, validators=[validate_pagination_count], null=True)
  54
  55         entry_permalink_style = models.CharField(max_length=1, choices=ENTRY_PERMALINK_STYLE_CHOICES)
  56         entry_permalink_base = models.CharField(max_length=255, blank=False, default='entries')
  57         tag_permalink_base = models.CharField(max_length=255, blank=False, default='tags')
  58
  59         def __unicode__(self):
  60                 return u'BlogView for %s' % self.blog.title
  61
  62         @property
  63         def urlpatterns(self):
  64                 base_patterns = patterns('',
  65                         url(r'^$', self.index_view),
  66                         url((r'^(?:%s)/?$' % self.tag_permalink_base), self.tag_archive_view),
  67                         url((r'^(?:%s)/(?P<tag_slugs>[-\w]+[-+/\w]*)/?$' % self.tag_permalink_base), self.tag_view)
  68                 )
  69                 if self.entry_permalink_style == 'D':
  70                         entry_patterns = patterns('',
  71                                 url(r'^(?P<year>\d{4})/?$', self.entry_archive_view),
  72                                 url(r'^(?P<year>\d{4})/(?P<month>\d{2})/?$', self.entry_archive_view),
  73                                 url(r'^(?P<year>\d{4})/(?P<month>\d{2})/(?P<day>\d{2})/?$', self.entry_archive_view),
  74                                 url(r'^(?P<year>\d{4})/(?P<month>\d{2})/(?P<day>\d{2})/(?P<slug>[-\w]+)/?$', self.entry_view)
  75                         )
  76                 elif self.entry_permalink_style == 'M':
  77                         entry_patterns = patterns('',
  78                                 url(r'^(?P<year>\d{4})/?$', self.entry_archive_view),
  79                                 url(r'^(?P<year>\d{4})/(?P<month>\d{2})/?$', self.entry_archive_view),
  80                                 url(r'^(?P<year>\d{4})/(?P<month>\d{2})/(?P<slug>[-\w]+)/?$', self.entry_view)
  81                         )
  82                 elif self.entry_permalink_style == 'Y':
  83                         entry_patterns = patterns('',
  84                                 url(r'^(?P<year>\d{4})/?$', self.entry_archive_view),
  85                                 url(r'^(?P<year>\d{4})/(?P<slug>[-\w]+)/?$', self.entry_view)
  86                         )
  87                 elif self.entry_permalink_style == 'B':
  88                         entry_patterns = patterns('',
  89                                 url((r'^(?:%s)/?$' % self.entry_permalink_base), self.entry_archive_view),
  90                                 url((r'^(?:%s)/(?P<slug>[-\w]+)/?$' % self.entry_permalink_base), self.entry_view)
  91                         )
  92                 else:
  93                         entry_patterns = patterns('',
  94                                 url(r'^(?P<slug>[-\w]+)/?$', self.entry_view)
  95                         )
  96                 return base_patterns + entry_patterns
  97
  98         def index_view(self, request, node=None, extra_context=None):
  99                 entries = self.blog.entries.all()
 100                 if self.entries_per_page:
 101                         paginated_page = paginate(request, entries, self.entries_per_page)
 102                         entries = paginated_page.object_list
 103                 else:
 104                         paginated_page = None
 105                 context = {}
 106                 context.update(extra_context or {})
 107                 context.update({'blog': self.blog, 'entries': entries, 'paginated_page': paginated_page})
 108                 return self.index_page.render_to_response(node, request, extra_context=context)
 109
 110         def entry_view(self, request, slug, year=None, month=None, day=None, node=None, extra_context=None):
 111                 entries = self.blog.entries.all()
 112                 if year:
 113                         entries = entries.filter(date__year=year)
 114                 if month:
 115                         entries = entries.filter(date__month=month)
 116                 if day:
 117                         entries = entries.filter(date__day=day)
 118                 try:
 119                         entry = entries.get(slug=slug)
 120                 except:
 121                         raise Http404
 122                 context = {}
 123                 context.update(extra_context or {})
 124                 context.update({'blog': self.blog, 'entry': entry})
 125                 return self.entry_page.render_to_response(node, request, extra_context=context)
 126
 127         def entry_archive_view(self, request, year=None, month=None, day=None, node=None, extra_context=None):
 128                 if not self.entry_archive_page:
 129                         raise Http404
 130                 entries = self.blog.entries.all()
 131                 if year:
 132                         entries = entries.filter(date__year=year)
 133                 if month:
 134                         entries = entries.filter(date__month=month)
 135                 if day:
 136                         entries = entries.filter(date__day=day)
 137                 if self.entries_per_page:
 138                         paginated_page = paginate(request, entries, self.entries_per_page)
 139                         entries = paginated_page.object_list
 140                 else:
 141                         paginated_page = None
 142                 context = {}
 143                 context.update(extra_context or {})
 144                 context.update({'blog': self.blog, 'year': year, 'month': month, 'day': day, 'entries': entries, 'paginated_page': paginated_page})
 145                 return self.entry_archive_page.render_to_response(node, request, extra_context=context)
 146
 147         def tag_view(self, request, tag_slugs, node=None, extra_context=None):
 148                 tags = []
 149                 for tag_slug in tag_slugs.replace('+', '/').split('/'):
 150                         if tag_slug: # ignore blank slugs, handles for multiple consecutive separators (+ or /)
 151                                 try:
 152                                         tag = self.blog.entry_tags.get(slug=tag_slug)
 153                                 except:
 154                                         raise Http404
 155                                 tags.append(tag)
 156                 if len(tags) <= 0:
 157                         raise Http404
 158
 159                 entries = self.blog.entries.all()
 160                 for tag in tags:
 161                         entries = entries.filter(tags=tag)
 162                 if entries.count() <= 0:
 163                         raise Http404
 164
 165                 if self.entries_per_page:
 166                         paginated_page = paginate(request, entries, self.entries_per_page)
 167                         entries = paginated_page.object_list
 168                 else:
 169                         paginated_page = None
 170                 context = {}
 171                 context.update(extra_context or {})
 172                 context.update({'blog': self.blog, 'tags': tags, 'entries': entries, 'paginated_page': paginated_page})
 173                 return self.tag_page.render_to_response(node, request, extra_context=context)
 174
 175         def tag_archive_view(self, request, node=None, extra_context=None):
 176                 if not self.tag_archive_page:
 177                         raise Http404
 178                 context = {}
 179                 context.update(extra_context or {})
 180                 context.update({'blog': self.blog})
 181                 return self.tag_archive_page.render_to_response(node, request, extra_context=context)
 182
 183
 184 class Newsletter(Entity, Titled):
 185         pass
 186
 187
 188 class NewsletterArticle(Entity, Titled):
 189         newsletter = models.ForeignKey(Newsletter, related_name='articles')
 190         authors = models.ManyToManyField(getattr(settings, 'PHILO_PERSON_MODULE', 'auth.User'), related_name='newsletterarticles')
 191         date = models.DateTimeField(default=datetime.now)
 192         lede = models.TextField(null=True, blank=True)
 193         full_text = models.TextField()
 194
 195         class Meta:
 196                 ordering = ['-date']
 197                 unique_together = (('newsletter', 'slug'),)
 198
 199
 200 register_value_model(NewsletterArticle)
 201
 202
 203 class NewsletterIssue(Entity, Titled):
 204         newsletter = models.ForeignKey(Newsletter, related_name='issues')
 205         number = models.PositiveIntegerField()
 206         articles = models.ManyToManyField(NewsletterArticle)
 207
 208         class Meta:
 209                 ordering = ['-number']
 210                 unique_together = (('newsletter', 'number'),)
 211
 212
 213 class NewsletterView(MultiView):
 214         ARTICLE_PERMALINK_STYLE_CHOICES = (
 215                 ('D', 'Year, month, and day'),
 216                 ('M', 'Year and month'),
 217                 ('Y', 'Year'),
 218                 ('S', 'Slug only')
 219         )
 220
 221         newsletter = models.ForeignKey(Newsletter, related_name='newsletterviews')
 222
 223         index_page = models.ForeignKey(Page, related_name='newsletter_index_related')
 224         article_page = models.ForeignKey(Page, related_name='newsletter_article_related')
 225         article_archive_page = models.ForeignKey(Page, related_name='newsletter_article_archive_related', null=True, blank=True)
 226         issue_page = models.ForeignKey(Page, related_name='newsletter_issue_related')
 227         issue_archive_page = models.ForeignKey(Page, related_name='newsletter_issue_archive_related', null=True, blank=True)
 228
 229         article_permalink_style = models.CharField(max_length=1, choices=ARTICLE_PERMALINK_STYLE_CHOICES)
 230         article_permalink_base = models.CharField(max_length=255, blank=False, default='articles')
 231         issue_permalink_base = models.CharField(max_length=255, blank=False, default='issues')
 232
 233         @property
 234         def urlpatterns(self):
 235                 base_patterns = patterns('',
 236                         url(r'^$', self.index_view),
 237                         url((r'^(?:%s)/?$' % self.issue_permalink_base), self.issue_archive_view),
 238                         url((r'^(?:%s)/(?P<number>\d+)/?$' % self.issue_permalink_base), self.issue_view)
 239                 )
 240                 article_patterns = patterns('',
 241                         url((r'^(?:%s)/?$' % self.article_permalink_base), self.article_archive_view)
 242                 )
 243                 if self.article_permalink_style in 'DMY':
 244                         article_patterns += patterns('',
 245                                 url((r'^(?:%s)/(?P<year>\d{4})/?$' % self.article_permalink_base), self.article_archive_view)
 246                         )
 247                         if self.article_permalink_style in 'DM':
 248                                 article_patterns += patterns('',
 249                                         url((r'^(?:%s)/(?P<year>\d{4})/(?P<month>\d{2})/?$' % self.article_permalink_base), self.article_archive_view)
 250                                 )
 251                                 if self.article_permalink_style == 'D':
 252                                         article_patterns += patterns('',
 253                                                 url((r'^(?:%s)/(?P<year>\d{4})/(?P<month>\d{2})/(?P<day>\d{2})/?$' % self.article_permalink_base), self.article_archive_view),
 254                                                 url((r'^(?:%s)/(?P<year>\d{4})/(?P<month>\d{2})/(?P<day>\d{2})/(?P<slug>[-\w]+)/?$' % self.article_permalink_base), self.article_view)
 255                                         )
 256                                 else:
 257                                         article_patterns += patterns('',
 258                                                 url((r'^(?:%s)/(?P<year>\d{4})/(?P<month>\d{2})/(?P<slug>[-\w]+)/?$' % self.article_permalink_base), self.article_view)
 259                                         )
 260                         else:
 261                                 article_patterns += patterns('',
 262                                         url((r'^(?:%s)/(?P<year>\d{4})/(?P<slug>[-\w]+)/?$' % self.article_permalink_base), self.article_view)
 263                                 )
 264                 else:
 265                         article_patterns += patterns('',
 266                                 url((r'^(?:%s)/(?P<slug>[-\w]+)/?$' % self.article_permalink_base), self.article_view)
 267                         )
 268                 return base_patterns + article_patterns
 269
 270         def index_view(self, request, node=None, extra_context=None):
 271                 context = {}
 272                 context.update(extra_context or {})
 273                 context.update({'newsletter': self.newsletter})
 274                 return self.index_page.render_to_response(node, request, extra_context=context)
 275
 276         def article_view(self, request, slug, year=None, month=None, day=None, node=None, extra_context=None):
 277                 articles = self.newsletter.articles.all()
 278                 if year:
 279                         articles = articles.filter(date__year=year)
 280                 if month:
 281                         articles = articles.filter(date__month=month)
 282                 if day:
 283                         articles = articles.filter(date__day=day)
 284                 try:
 285                         article = articles.get(slug=slug)
 286                 except:
 287                         raise Http404
 288                 context = {}
 289                 context.update(extra_context or {})
 290                 context.update({'newsletter': self.newsletter, 'article': article})
 291                 return self.article_page.render_to_response(node, request, extra_context=context)
 292
 293         def article_archive_view(self, request, year=None, month=None, day=None, node=None, extra_context=None):
 294                 if not self.article_archive_page:
 295                         raise Http404
 296                 articles = self.newsletter.articles.all()
 297                 if year:
 298                         articles = articles.filter(date__year=year)
 299                 if month:
 300                         articles = articles.filter(date__month=month)
 301                 if day:
 302                         articles = articles.filter(date__day=day)
 303                 context = {}
 304                 context.update(extra_context or {})
 305                 context.update({'newsletter': self.newsletter, 'year': year, 'month': month, 'day': day, 'articles': articles})
 306                 return self.article_archive_page.render_to_response(node, request, extra_context=context)
 307
 308         def issue_view(self, request, number, node=None, extra_context=None):
 309                 try:
 310                         issue = self.newsletter.issues.get(number=number)
 311                 except:
 312                         raise Http404
 313                 context = {}
 314                 context.update(extra_context or {})
 315                 context.update({'newsletter': self.newsletter, 'issue': issue})
 316                 return self.issue_page.render_to_response(node, request, extra_context=context)
 317
 318         def issue_archive_view(self, request, node=None, extra_context=None):
 319                 if not self.issue_archive_page:
 320                         raise Http404
 321                 context = {}
 322                 context.update(extra_context or {})
 323                 context.update({'newsletter': self.newsletter})
 324                 return self.issue_archive_page.render_to_response(node, request, extra_context=context)