contrib/penfield/models.py

   1 from django.db import models
   2 from philo.models import Entity, MultiNode, Template, register_value_model
   3 from django.contrib.auth.models import User
   4 from django.conf.urls.defaults import url, patterns
   5 from django.http import Http404, HttpResponse
   6 from django.template import RequestContext
   7 from datetime import datetime
   8
   9
  10 class Titled(models.Model):
  11         title = models.CharField(max_length=255)
  12         slug = models.SlugField()
  13
  14         def __unicode__(self):
  15                 return self.title
  16
  17         class Meta:
  18                 abstract = True
  19
  20
  21 class Blog(Entity, Titled):
  22         pass
  23
  24
  25 class BlogEntry(Entity, Titled):
  26         blog = models.ForeignKey(Blog, related_name='entries')
  27         author = models.ForeignKey(User, related_name='blogentries')
  28         date = models.DateTimeField(default=datetime.now)
  29         content = models.TextField()
  30         excerpt = models.TextField()
  31
  32
  33 register_value_model(BlogEntry)
  34
  35
  36 class BlogNode(MultiNode):
  37         PERMALINK_STYLE_CHOICES = (
  38                 ('D', 'Year, month, and day'),
  39                 ('M', 'Year and month'),
  40                 ('Y', 'Year'),
  41                 ('B', 'Custom base'),
  42                 ('N', 'No base')
  43         )
  44
  45         blog = models.ForeignKey(Blog, related_name='nodes')
  46
  47         index_template = models.ForeignKey(Template, related_name='blog_index_related')
  48         archive_template = models.ForeignKey(Template, related_name='blog_archive_related')
  49         tag_template = models.ForeignKey(Template, related_name='blog_tag_related')
  50         entry_template = models.ForeignKey(Template, related_name='blog_entry_related')
  51
  52         entry_permalink_style = models.CharField(max_length=1, choices=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'^$', self.index_view),
  60                         url((r'^(?:%s)/?' % self.tag_permalink_base), self.tag_view),
  61                         url((r'^(?:%s)/(?P<tag>>[-\w]+)/?' % self.tag_permalink_base), self.tag_view)
  62                 )
  63                 if self.entry_permalink_style == 'D':
  64                         entry_patterns = patterns('',
  65                                 url(r'^(?P<year>\d{4})/?$', self.archive_view),
  66                                 url(r'^(?P<year>\d{4})/(?P<month>\d{2})/?$', self.archive_view),
  67                                 url(r'^(?P<year>\d{4})/(?P<month>\d{2})/(?P<day>\d+)/?$', self.archive_view),
  68                                 url(r'^(?P<year>\d{4})/(?P<month>\d{2})/(?P<day>\d+)/(?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})/?$', self.archive_view),
  73                                 url(r'^(?P<year>\d{4})/(?P<month>\d{2})/?$', self.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.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.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):
  93                 return HttpResponse(self.index_template.django_template.render(RequestContext(request, {'blog': self.blog})), mimetype=self.index_template.mimetype)
  94
  95         def archive_view(self, request, year=None, month=None, day=None):
  96                 entries = self.blog.entries.all()
  97                 if year:
  98                         entries = entries.filter(date__year=year)
  99                 if month:
 100                         entries = entries.filter(date__month=month)
 101                 if day:
 102                         entries = entries.filter(date__day=day)
 103                 return HttpResponse(self.archive_template.django_template.render(RequestContext(request, {'blog': self.blog, 'year': year, 'month': month, 'day': day, 'entries': entries})), mimetype=self.archive_template.mimetype)
 104
 105         def tag_view(self, request, tag=None):
 106                 # return HttpResponse(self.tag_template.django_template.render(RequestContext(request, {'blog': self.blog, 'tag': tag, 'entries': None})), mimetype=self.tag_template.mimetype)
 107                 raise Http404
 108
 109         def entry_view(self, request, slug, year=None, month=None, day=None):
 110                 entries = self.blog.entries.all()
 111                 if year:
 112                         entries = entries.filter(date__year=year)
 113                 if month:
 114                         entries = entries.filter(date__month=month)
 115                 if day:
 116                         entries = entries.filter(date__day=day)
 117                 try:
 118                         entry = entries.get(slug=slug)
 119                 except:
 120                         raise Http404
 121                 return HttpResponse(self.entry_template.django_template.render(RequestContext(request, {'blog': self.blog, 'entry': entry})), mimetype=self.entry_template.mimetype)
 122
 123
 124 class Newsletter(Entity, Titled):
 125         pass
 126
 127
 128 class NewsStory(Entity, Titled):
 129         newsletter = models.ForeignKey(Newsletter, related_name='stories')
 130         authors = models.ManyToManyField(User, related_name='newsstories')
 131         date = models.DateTimeField(default=datetime.now)
 132         lede = models.TextField(null=True, blank=True)
 133         full_text = models.TextField()
 134
 135
 136 register_value_model(NewsStory)