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         class Meta:
  33                 ordering = ['date']
  34                 verbose_name_plural = "Blog Entries"
  35
  36
  37 register_value_model(BlogEntry)
  38
  39
  40 class BlogNode(MultiNode):
  41         PERMALINK_STYLE_CHOICES = (
  42                 ('D', 'Year, month, and day'),
  43                 ('M', 'Year and month'),
  44                 ('Y', 'Year'),
  45                 ('B', 'Custom base'),
  46                 ('N', 'No base')
  47         )
  48
  49         blog = models.ForeignKey(Blog, related_name='nodes')
  50
  51         index_template = models.ForeignKey(Template, related_name='blog_index_related')
  52         archive_template = models.ForeignKey(Template, related_name='blog_archive_related')
  53         tag_template = models.ForeignKey(Template, related_name='blog_tag_related')
  54         entry_template = models.ForeignKey(Template, related_name='blog_entry_related')
  55
  56         entry_permalink_style = models.CharField(max_length=1, choices=PERMALINK_STYLE_CHOICES)
  57         entry_permalink_base = models.CharField(max_length=255, blank=False, default='entries')
  58         tag_permalink_base = models.CharField(max_length=255, blank=False, default='tags')
  59
  60         @property
  61         def urlpatterns(self):
  62                 base_patterns = patterns('',
  63                         url(r'^$', self.index_view),
  64                         url((r'^(?:%s)/?' % self.tag_permalink_base), self.tag_view),
  65                         url((r'^(?:%s)/(?P<tag>>[-\w]+)/?' % self.tag_permalink_base), self.tag_view)
  66                 )
  67                 if self.entry_permalink_style == 'D':
  68                         entry_patterns = patterns('',
  69                                 url(r'^(?P<year>\d{4})/?$', self.archive_view),
  70                                 url(r'^(?P<year>\d{4})/(?P<month>\d{2})/?$', self.archive_view),
  71                                 url(r'^(?P<year>\d{4})/(?P<month>\d{2})/(?P<day>\d+)/?$', self.archive_view),
  72                                 url(r'^(?P<year>\d{4})/(?P<month>\d{2})/(?P<day>\d+)/(?P<slug>[-\w]+)/?', self.entry_view)
  73                         )
  74                 elif self.entry_permalink_style == 'M':
  75                         entry_patterns = patterns('',
  76                                 url(r'^(?P<year>\d{4})/?$', self.archive_view),
  77                                 url(r'^(?P<year>\d{4})/(?P<month>\d{2})/?$', self.archive_view),
  78                                 url(r'^(?P<year>\d{4})/(?P<month>\d{2})/(?P<slug>>[-\w]+)/?', self.entry_view)
  79                         )
  80                 elif self.entry_permalink_style == 'Y':
  81                         entry_patterns = patterns('',
  82                                 url(r'^(?P<year>\d{4})/?$', self.archive_view),
  83                                 url(r'^(?P<year>\d{4})/(?P<slug>>[-\w]+)/?', self.entry_view)
  84                         )
  85                 elif self.entry_permalink_style == 'B':
  86                         entry_patterns = patterns('',
  87                                 url((r'^(?:%s)/?' % self.entry_permalink_base), self.archive_view),
  88                                 url((r'^(?:%s)/(?P<slug>>[-\w]+)/?' % self.entry_permalink_base), self.entry_view)
  89                         )
  90                 else:
  91                         entry_patterns = patterns('',
  92                                 url(r'^(?P<slug>>[-\w]+)/?', self.entry_view)
  93                         )
  94                 return base_patterns + entry_patterns
  95
  96         def index_view(self, request):
  97                 return HttpResponse(self.index_template.django_template.render(RequestContext(request, {'blog': self.blog})), mimetype=self.index_template.mimetype)
  98
  99         def archive_view(self, request, year=None, month=None, day=None):
 100                 entries = self.blog.entries.all()
 101                 if year:
 102                         entries = entries.filter(date__year=year)
 103                 if month:
 104                         entries = entries.filter(date__month=month)
 105                 if day:
 106                         entries = entries.filter(date__day=day)
 107                 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)
 108
 109         def tag_view(self, request, tag=None):
 110                 # return HttpResponse(self.tag_template.django_template.render(RequestContext(request, {'blog': self.blog, 'tag': tag, 'entries': None})), mimetype=self.tag_template.mimetype)
 111                 raise Http404
 112
 113         def entry_view(self, request, slug, year=None, month=None, day=None):
 114                 entries = self.blog.entries.all()
 115                 if year:
 116                         entries = entries.filter(date__year=year)
 117                 if month:
 118                         entries = entries.filter(date__month=month)
 119                 if day:
 120                         entries = entries.filter(date__day=day)
 121                 try:
 122                         entry = entries.get(slug=slug)
 123                 except:
 124                         raise Http404
 125                 return HttpResponse(self.entry_template.django_template.render(RequestContext(request, {'blog': self.blog, 'entry': entry})), mimetype=self.entry_template.mimetype)
 126
 127
 128 class Newsletter(Entity, Titled):
 129         pass
 130
 131
 132 class NewsStory(Entity, Titled):
 133         newsletter = models.ForeignKey(Newsletter, related_name='stories')
 134         authors = models.ManyToManyField(User, related_name='newsstories')
 135         date = models.DateTimeField(default=datetime.now)
 136         lede = models.TextField(null=True, blank=True)
 137         full_text = models.TextField()
 138
 139
 140 register_value_model(NewsStory)