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