Refactored Node.get_absolute_url and related functions (such as MultiView.reverse...

[philo.git] / contrib / penfield / models.py

diff --git a/contrib/penfield/models.py b/contrib/penfield/models.py
index 7da8e08..27e5b5d 100644 (file)
--- a/contrib/penfield/models.py
+++ b/contrib/penfield/models.py
@@ -1,13 +1,15 @@
-from django.db import models

 from django.conf import settings
 from django.conf import settings

-from philo.models import Tag, Titled, Entity, MultiView, Page, register_value_model
-from philo.exceptions import ViewCanNotProvideSubpath
-from django.conf.urls.defaults import url, patterns
-from django.core.urlresolvers import reverse
-from django.http import Http404, HttpResponse
-from datetime import datetime
-from philo.contrib.penfield.utils import paginate
+from django.conf.urls.defaults import url, patterns, include
+from django.db import models
+from django.http import Http404
+from django.template import loader, Context
+from django.utils.feedgenerator import Atom1Feed, Rss201rev2Feed
+from datetime import date, datetime
+from philo.contrib.penfield.utils import FeedMultiViewMixin

 from philo.contrib.penfield.validators import validate_pagination_count
 from philo.contrib.penfield.validators import validate_pagination_count

+from philo.exceptions import ViewCanNotProvideSubpath
+from philo.models import Tag, Titled, Entity, MultiView, Page, register_value_model, TemplateField
+from philo.utils import paginate

 
 
 class Blog(Entity, Titled):
 
 
 class Blog(Entity, Titled):


@@ -15,28 +17,39 @@ class Blog(Entity, Titled):
        def entry_tags(self):
                """ Returns a QuerySet of Tags that are used on any entries in this blog. """
                return Tag.objects.filter(blogentries__blog=self).distinct()
        def entry_tags(self):
                """ Returns a QuerySet of Tags that are used on any entries in this blog. """
                return Tag.objects.filter(blogentries__blog=self).distinct()

+       
+       @property
+       def entry_dates(self):
+               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')}
+               return dates

 
 
 register_value_model(Blog)
 
 
 class BlogEntry(Entity, Titled):
 
 
 register_value_model(Blog)
 
 
 class BlogEntry(Entity, Titled):

-       blog = models.ForeignKey(Blog, related_name='entries')
+       blog = models.ForeignKey(Blog, related_name='entries', blank=True, null=True)

        author = models.ForeignKey(getattr(settings, 'PHILO_PERSON_MODULE', 'auth.User'), related_name='blogentries')
        author = models.ForeignKey(getattr(settings, 'PHILO_PERSON_MODULE', 'auth.User'), related_name='blogentries')

-       date = models.DateTimeField(default=datetime.now)
+       date = models.DateTimeField(default=None)

        content = models.TextField()
        excerpt = models.TextField(blank=True, null=True)
        tags = models.ManyToManyField(Tag, related_name='blogentries', blank=True, null=True)
        
        content = models.TextField()
        excerpt = models.TextField(blank=True, null=True)
        tags = models.ManyToManyField(Tag, related_name='blogentries', blank=True, null=True)
        

+       def save(self, *args, **kwargs):
+               if self.date is None:
+                       self.date = datetime.now()
+               super(BlogEntry, self).save(*args, **kwargs)
+       

        class Meta:
                ordering = ['-date']
                verbose_name_plural = "blog entries"
        class Meta:
                ordering = ['-date']
                verbose_name_plural = "blog entries"

+               get_latest_by = "date"

 
 
 register_value_model(BlogEntry)
 
 
 
 
 register_value_model(BlogEntry)
 
 

-class BlogView(MultiView):
+class BlogView(MultiView, FeedMultiViewMixin):

        ENTRY_PERMALINK_STYLE_CHOICES = (
                ('D', 'Year, month, and day'),
                ('M', 'Year and month'),
        ENTRY_PERMALINK_STYLE_CHOICES = (
                ('D', 'Year, month, and day'),
                ('M', 'Year and month'),


@@ -57,160 +70,217 @@ class BlogView(MultiView):
        entry_permalink_style = models.CharField(max_length=1, choices=ENTRY_PERMALINK_STYLE_CHOICES)
        entry_permalink_base = models.CharField(max_length=255, blank=False, default='entries')
        tag_permalink_base = models.CharField(max_length=255, blank=False, default='tags')
        entry_permalink_style = models.CharField(max_length=1, choices=ENTRY_PERMALINK_STYLE_CHOICES)
        entry_permalink_base = models.CharField(max_length=255, blank=False, default='entries')
        tag_permalink_base = models.CharField(max_length=255, blank=False, default='tags')

+       feed_suffix = models.CharField(max_length=255, blank=False, default=FeedMultiViewMixin.feed_suffix)
+       feeds_enabled = models.BooleanField()
+       list_var = 'entries'

        
        def __unicode__(self):
                return u'BlogView for %s' % self.blog.title
        
        
        def __unicode__(self):
                return u'BlogView for %s' % self.blog.title
        

-       def get_subpath(self, obj):
+       @property
+       def per_page(self):
+               return self.entries_per_page
+       
+       def get_reverse_params(self, obj):

                if isinstance(obj, BlogEntry):
                        if obj.blog == self.blog:
                if isinstance(obj, BlogEntry):
                        if obj.blog == self.blog:

-                               entry_view_args = {'slug': obj.slug}
+                               kwargs = {'slug': obj.slug}

                                if self.entry_permalink_style in 'DMY':
                                if self.entry_permalink_style in 'DMY':

-                                       entry_view_args.update({'year': str(obj.date.year).zfill(4)})
+                                       kwargs.update({'year': str(obj.date.year).zfill(4)})

                                        if self.entry_permalink_style in 'DM':
                                        if self.entry_permalink_style in 'DM':

-                                               entry_view_args.update({'month': str(obj.date.month).zfill(2)})
+                                               kwargs.update({'month': str(obj.date.month).zfill(2)})

                                                if self.entry_permalink_style == 'D':
                                                if self.entry_permalink_style == 'D':

-                                                       entry_view_args.update({'day': str(obj.date.day).zfill(2)})
-                               return reverse(self.entry_view, urlconf=self, kwargs=entry_view_args)
+                                                       kwargs.update({'day': str(obj.date.day).zfill(2)})
+                               return self.entry_view, [], kwargs

                elif isinstance(obj, Tag):
                elif isinstance(obj, Tag):

-                       if obj in self.blog.entry_tags:
-                               return reverse(self.tag_view, urlconf=self, kwargs={'tag_slugs': obj.slug})
+                       if obj in self.get_tag_queryset():
+                               return 'entries_by_tag', [], {'tag_slugs': obj.slug}
+               elif isinstance(obj, (date, datetime)):
+                       kwargs = {
+                               'year': str(obj.year).zfill(4),
+                               'month': str(obj.month).zfill(2),
+                               'day': str(obj.day).zfill(2)
+                       }
+                       return 'entries_by_day', [], kwargs

                raise ViewCanNotProvideSubpath
        
        @property
        def urlpatterns(self):
                raise ViewCanNotProvideSubpath
        
        @property
        def urlpatterns(self):

-               base_patterns = patterns('',
-                       url(r'^$', self.index_view),
-                       url((r'^(?:%s)/?$' % self.tag_permalink_base), self.tag_archive_view),
-                       url((r'^(?:%s)/(?P<tag_slugs>[-\w]+[-+/\w]*)/?$' % self.tag_permalink_base), self.tag_view)
+               urlpatterns = patterns('',
+                       url(r'^', include(self.feed_patterns(self.get_all_entries, self.index_page, 'index'))),

                )
                )

+               if self.feeds_enabled:
+                       urlpatterns += patterns('',
+                               url(r'^%s/(?P<tag_slugs>[-\w]+[-+/\w]*)/%s$' % (self.tag_permalink_base, self.feed_suffix), self.feed_view(self.get_entries_by_tag, 'entries_by_tag_feed'), name='entries_by_tag_feed'),
+                       )
+               urlpatterns += patterns('',
+                       url(r'^%s/(?P<tag_slugs>[-\w]+[-+/\w]*)$' % self.tag_permalink_base, self.page_view(self.get_entries_by_tag, self.tag_page), name='entries_by_tag')
+               )
+               if self.tag_archive_page:
+                       urlpatterns += patterns('',
+                               url((r'^%s$' % self.tag_permalink_base), self.tag_archive_view, name='tag_archive')
+                       )
+               
+               if self.entry_archive_page:
+                       if self.entry_permalink_style in 'DMY':
+                               urlpatterns += patterns('',
+                                       url(r'^(?P<year>\d{4})', include(self.feed_patterns(self.get_entries_by_ymd, self.entry_archive_page, 'entries_by_year')))
+                               )
+                               if self.entry_permalink_style in 'DM':
+                                       urlpatterns += patterns('',
+                                               url(r'^(?P<year>\d{4})/(?P<month>\d{2})$', include(self.feed_patterns(self.get_entries_by_ymd, self.entry_archive_page, 'entries_by_month'))),
+                                       )
+                                       if self.entry_permalink_style == 'D':
+                                               urlpatterns += patterns('',
+                                                       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')))
+                                               )
+               

                if self.entry_permalink_style == 'D':
                if self.entry_permalink_style == 'D':

-                       entry_patterns = patterns('',
-                               url(r'^(?P<year>\d{4})/?$', self.entry_archive_view),
-                               url(r'^(?P<year>\d{4})/(?P<month>\d{2})/?$', self.entry_archive_view),
-                               url(r'^(?P<year>\d{4})/(?P<month>\d{2})/(?P<day>\d{2})/?$', self.entry_archive_view),
-                               url(r'^(?P<year>\d{4})/(?P<month>\d{2})/(?P<day>\d{2})/(?P<slug>[-\w]+)/?$', self.entry_view)
+                       urlpatterns += patterns('',
+                               url(r'^(?P<year>\d{4})/(?P<month>\d{2})/(?P<day>\d{2})/(?P<slug>[-\w]+)$', self.entry_view)

                        )
                elif self.entry_permalink_style == 'M':
                        )
                elif self.entry_permalink_style == 'M':

-                       entry_patterns = patterns('',
-                               url(r'^(?P<year>\d{4})/?$', self.entry_archive_view),
-                               url(r'^(?P<year>\d{4})/(?P<month>\d{2})/?$', self.entry_archive_view),
-                               url(r'^(?P<year>\d{4})/(?P<month>\d{2})/(?P<slug>[-\w]+)/?$', self.entry_view)
+                       urlpatterns += patterns('',
+                               url(r'^(?P<year>\d{4})/(?P<month>\d{2})/(?P<slug>[-\w]+)$', self.entry_view)

                        )
                elif self.entry_permalink_style == 'Y':
                        )
                elif self.entry_permalink_style == 'Y':

-                       entry_patterns = patterns('',
-                               url(r'^(?P<year>\d{4})/?$', self.entry_archive_view),
-                               url(r'^(?P<year>\d{4})/(?P<slug>[-\w]+)/?$', self.entry_view)
+                       urlpatterns += patterns('',
+                               url(r'^(?P<year>\d{4})/(?P<slug>[-\w]+)$', self.entry_view)

                        )
                elif self.entry_permalink_style == 'B':
                        )
                elif self.entry_permalink_style == 'B':

-                       entry_patterns = patterns('',
-                               url((r'^(?:%s)/?$' % self.entry_permalink_base), self.entry_archive_view),
-                               url((r'^(?:%s)/(?P<slug>[-\w]+)/?$' % self.entry_permalink_base), self.entry_view)
+                       urlpatterns += patterns('',
+                               url((r'^%s/(?P<slug>[-\w]+)$' % self.entry_permalink_base), self.entry_view)

                        )
                else:
                        )
                else:

-                       entry_patterns = patterns('',
-                               url(r'^(?P<slug>[-\w]+)/?$', self.entry_view)
+                       urlpatterns = patterns('',
+                               url(r'^(?P<slug>[-\w]+)$', self.entry_view)

                        )
                        )

-               return base_patterns + entry_patterns
+               return urlpatterns

        
        

-       def index_view(self, request, node=None, extra_context=None):
-               entries = self.blog.entries.all()
-               if self.entries_per_page:
-                       paginated_page = paginate(request, entries, self.entries_per_page)
-                       entries = paginated_page.object_list
-               else:
-                       paginated_page = None
-               context = {}
-               context.update(extra_context or {})
-               context.update({'blog': self.blog, 'entries': entries, 'paginated_page': paginated_page})
-               return self.index_page.render_to_response(node, request, extra_context=context)
+       def get_context(self):
+               return {'blog': self.blog}

        
        

-       def entry_view(self, request, slug, year=None, month=None, day=None, node=None, extra_context=None):
-               entries = self.blog.entries.all()
+       def get_entry_queryset(self):
+               return self.blog.entries.all()
+       
+       def get_tag_queryset(self):
+               return self.blog.entry_tags
+       
+       def get_all_entries(self, request, extra_context=None):
+               return self.get_entry_queryset(), extra_context
+       
+       def get_entries_by_ymd(self, request, year=None, month=None, day=None, extra_context=None):
+               if not self.entry_archive_page:
+                       raise Http404
+               entries = self.get_entry_queryset()

                if year:
                        entries = entries.filter(date__year=year)
                if month:
                        entries = entries.filter(date__month=month)
                if day:
                        entries = entries.filter(date__day=day)
                if year:
                        entries = entries.filter(date__year=year)
                if month:
                        entries = entries.filter(date__month=month)
                if day:
                        entries = entries.filter(date__day=day)

-               try:
-                       entry = entries.get(slug=slug)
-               except:
-                       raise Http404
-               context = {}
-               context.update(extra_context or {})
-               context.update({'blog': self.blog, 'entry': entry})
-               return self.entry_page.render_to_response(node, request, extra_context=context)
+               
+               context = extra_context or {}
+               context.update({'year': year, 'month': month, 'day': day})
+               return entries, context

        
        

-       def entry_archive_view(self, request, year=None, month=None, day=None, node=None, extra_context=None):
-               if not self.entry_archive_page:
+       def get_entries_by_tag(self, request, tag_slugs, extra_context=None):
+               tag_slugs = tag_slugs.replace('+', '/').split('/')
+               tags = self.get_tag_queryset().filter(slug__in=tag_slugs)
+               
+               if not tags:

                        raise Http404
                        raise Http404

-               entries = self.blog.entries.all()
+               
+               # Raise a 404 on an incorrect slug.
+               found_slugs = [tag.slug for tag in tags]
+               for slug in tag_slugs:
+                       if slug and slug not in found_slugs:
+                               raise Http404
+
+               entries = self.get_entry_queryset()
+               for tag in tags:
+                       entries = entries.filter(tags=tag)
+               
+               context = extra_context or {}
+               context.update({'tags': tags})
+               
+               return entries, context
+       
+       def entry_view(self, request, slug, year=None, month=None, day=None, extra_context=None):
+               entries = self.get_entry_queryset()

                if year:
                        entries = entries.filter(date__year=year)
                if month:
                        entries = entries.filter(date__month=month)
                if day:
                        entries = entries.filter(date__day=day)
                if year:
                        entries = entries.filter(date__year=year)
                if month:
                        entries = entries.filter(date__month=month)
                if day:
                        entries = entries.filter(date__day=day)

-               if self.entries_per_page:
-                       paginated_page = paginate(request, entries, self.entries_per_page)
-                       entries = paginated_page.object_list
-               else:
-                       paginated_page = None
-               context = {}
-               context.update(extra_context or {})
-               context.update({'blog': self.blog, 'year': year, 'month': month, 'day': day, 'entries': entries, 'paginated_page': paginated_page})
-               return self.entry_archive_page.render_to_response(node, request, extra_context=context)
-       
-       def tag_view(self, request, tag_slugs, node=None, extra_context=None):
-               tags = []
-               for tag_slug in tag_slugs.replace('+', '/').split('/'):
-                       if tag_slug: # ignore blank slugs, handles for multiple consecutive separators (+ or /)
-                               try:
-                                       tag = self.blog.entry_tags.get(slug=tag_slug)
-                               except:
-                                       raise Http404
-                               tags.append(tag)
-               if len(tags) <= 0:
-                       raise Http404
-               
-               entries = self.blog.entries.all()
-               for tag in tags:
-                       entries = entries.filter(tags=tag)
-               if entries.count() <= 0:
+               try:
+                       entry = entries.get(slug=slug)
+               except:

                        raise Http404
                        raise Http404

-               
-               if self.entries_per_page:
-                       paginated_page = paginate(request, entries, self.entries_per_page)
-                       entries = paginated_page.object_list
-               else:
-                       paginated_page = None
-               context = {}
+               context = self.get_context()

                context.update(extra_context or {})
                context.update(extra_context or {})

-               context.update({'blog': self.blog, 'tags': tags, 'entries': entries, 'paginated_page': paginated_page})
-               return self.tag_page.render_to_response(node, request, extra_context=context)
+               context.update({'entry': entry})
+               return self.entry_page.render_to_response(request, extra_context=context)

        
        

-       def tag_archive_view(self, request, node=None, extra_context=None):
+       def tag_archive_view(self, request, extra_context=None):

                if not self.tag_archive_page:
                        raise Http404
                if not self.tag_archive_page:
                        raise Http404

-               context = {}
+               context = self.get_context()

                context.update(extra_context or {})
                context.update(extra_context or {})

-               context.update({'blog': self.blog})
-               return self.tag_archive_page.render_to_response(node, request, extra_context=context)
+               context.update({
+                       'tags': self.get_tag_queryset()
+               })
+               return self.tag_archive_page.render_to_response(request, extra_context=context)
+       
+       def add_item(self, feed, obj, kwargs=None):
+               title = loader.get_template("penfield/feeds/blog_entry/title.html")
+               description = loader.get_template("penfield/feeds/blog_entry/description.html")
+               defaults = {
+                       'title': title.render(Context({'entry': obj})),
+                       'description': description.render(Context({'entry': obj})),
+                       'author_name': obj.author.get_full_name(),
+                       'pubdate': obj.date
+               }
+               defaults.update(kwargs or {})
+               super(BlogView, self).add_item(feed, obj, defaults)
+       
+       def get_feed(self, feed_type, extra_context, kwargs=None):
+               tags = (extra_context or {}).get('tags', None)
+               title = self.blog.title
+               
+               if tags is not None:
+                       title += " - %s" % ', '.join([tag.name for tag in tags])
+               
+               defaults = {
+                       'title': title
+               }
+               defaults.update(kwargs or {})
+               return super(BlogView, self).get_feed(feed_type, extra_context, defaults)

 
 
 class Newsletter(Entity, Titled):
        pass
 
 
 
 
 class Newsletter(Entity, Titled):
        pass
 
 

+register_value_model(Newsletter)
+
+

 class NewsletterArticle(Entity, Titled):
        newsletter = models.ForeignKey(Newsletter, related_name='articles')
        authors = models.ManyToManyField(getattr(settings, 'PHILO_PERSON_MODULE', 'auth.User'), related_name='newsletterarticles')
 class NewsletterArticle(Entity, Titled):
        newsletter = models.ForeignKey(Newsletter, related_name='articles')
        authors = models.ManyToManyField(getattr(settings, 'PHILO_PERSON_MODULE', 'auth.User'), related_name='newsletterarticles')

-       date = models.DateTimeField(default=datetime.now)
-       lede = models.TextField(null=True, blank=True)
-       full_text = models.TextField()
+       date = models.DateTimeField(default=None)
+       lede = TemplateField(null=True, blank=True, verbose_name='Summary')
+       full_text = TemplateField(db_index=True)
+       tags = models.ManyToManyField(Tag, related_name='newsletterarticles', blank=True, null=True)
+       
+       def save(self, *args, **kwargs):
+               if self.date is None:
+                       self.date = datetime.now()
+               super(NewsletterArticle, self).save(*args, **kwargs)

        
        class Meta:
        
        class Meta:

+               get_latest_by = 'date'

                ordering = ['-date']
                unique_together = (('newsletter', 'slug'),)
 
                ordering = ['-date']
                unique_together = (('newsletter', 'slug'),)
 


@@ -220,15 +290,18 @@ register_value_model(NewsletterArticle)
 
 class NewsletterIssue(Entity, Titled):
        newsletter = models.ForeignKey(Newsletter, related_name='issues')
 
 class NewsletterIssue(Entity, Titled):
        newsletter = models.ForeignKey(Newsletter, related_name='issues')

-       number = models.PositiveIntegerField()
-       articles = models.ManyToManyField(NewsletterArticle)
+       numbering = models.CharField(max_length=50, help_text='For example, 04.02 for volume 4, issue 2.')
+       articles = models.ManyToManyField(NewsletterArticle, related_name='issues')

        
        class Meta:
        
        class Meta:

-               ordering = ['-number']
-               unique_together = (('newsletter', 'number'),)
+               ordering = ['-numbering']
+               unique_together = (('newsletter', 'numbering'),)
+
+
+register_value_model(NewsletterIssue)

 
 
 
 

-class NewsletterView(MultiView):
+class NewsletterView(MultiView, FeedMultiViewMixin):

        ARTICLE_PERMALINK_STYLE_CHOICES = (
                ('D', 'Year, month, and day'),
                ('M', 'Year and month'),
        ARTICLE_PERMALINK_STYLE_CHOICES = (
                ('D', 'Year, month, and day'),
                ('M', 'Year and month'),


@@ -248,95 +321,156 @@ class NewsletterView(MultiView):
        article_permalink_base = models.CharField(max_length=255, blank=False, default='articles')
        issue_permalink_base = models.CharField(max_length=255, blank=False, default='issues')
        
        article_permalink_base = models.CharField(max_length=255, blank=False, default='articles')
        issue_permalink_base = models.CharField(max_length=255, blank=False, default='issues')
        

+       feed_suffix = models.CharField(max_length=255, blank=False, default=FeedMultiViewMixin.feed_suffix)
+       feeds_enabled = models.BooleanField()
+       list_var = 'articles'
+       
+       def __unicode__(self):
+               return self.newsletter.__unicode__()
+       
+       def get_reverse_params(self, obj):
+               if isinstance(obj, NewsletterArticle):
+                       if obj.newsletter == self.newsletter:
+                               kwargs = {'slug': obj.slug}
+                               if self.article_permalink_style in 'DMY':
+                                       kwargs.update({'year': str(obj.date.year).zfill(4)})
+                                       if self.article_permalink_style in 'DM':
+                                               kwargs.update({'month': str(obj.date.month).zfill(2)})
+                                               if self.article_permalink_style == 'D':
+                                                       kwargs.update({'day': str(obj.date.day).zfill(2)})
+                               return self.article_view, [], kwargs
+               elif isinstance(obj, NewsletterIssue):
+                       if obj.newsletter == self.newsletter:
+                               return 'issue', [], {'numbering': obj.numbering}
+               elif isinstance(obj, (date, datetime)):
+                       kwargs = {
+                               'year': str(obj.year).zfill(4),
+                               'month': str(obj.month).zfill(2),
+                               'day': str(obj.day).zfill(2)
+                       }
+                       return 'articles_by_day', [], kwargs
+               raise ViewCanNotProvideSubpath
+       

        @property
        def urlpatterns(self):
        @property
        def urlpatterns(self):

-               base_patterns = patterns('',
-                       url(r'^$', self.index_view),
-                       url((r'^(?:%s)/?$' % self.issue_permalink_base), self.issue_archive_view),
-                       url((r'^(?:%s)/(?P<number>\d+)/?$' % self.issue_permalink_base), self.issue_view)
-               )
-               article_patterns = patterns('',
-                       url((r'^(?:%s)/?$' % self.article_permalink_base), self.article_archive_view)
+               urlpatterns = patterns('',
+                       url(r'^', include(self.feed_patterns(self.get_all_articles, self.index_page, 'index'))),
+                       url(r'^%s/(?P<numbering>.+)' % self.issue_permalink_base, include(self.feed_patterns(self.get_articles_by_issue, self.issue_page, 'issue')))

                )
                )

-               if self.article_permalink_style in 'DMY':
-                       article_patterns += patterns('',
-                               url((r'^(?:%s)/(?P<year>\d{4})/?$' % self.article_permalink_base), self.article_archive_view)
+               if self.issue_archive_page:
+                       urlpatterns += patterns('',
+                               url(r'^%s$' % self.issue_permalink_base, self.issue_archive_view, 'issue_archive')

                        )
                        )

-                       if self.article_permalink_style in 'DM':
-                               article_patterns += patterns('',
-                                       url((r'^(?:%s)/(?P<year>\d{4})/(?P<month>\d{2})/?$' % self.article_permalink_base), self.article_archive_view)
+               if self.article_archive_page:
+                       urlpatterns += patterns('',
+                               url(r'^%s' % self.article_permalink_base, include(self.feed_patterns(self.get_all_articles, self.article_archive_page, 'articles')))
+                       )
+                       if self.article_permalink_style in 'DMY':
+                               urlpatterns += patterns('',
+                                       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')))

                                )
                                )

-                               if self.article_permalink_style == 'D':
-                                       article_patterns += patterns('',
-                                               url((r'^(?:%s)/(?P<year>\d{4})/(?P<month>\d{2})/(?P<day>\d{2})/?$' % self.article_permalink_base), self.article_archive_view),
-                                               url((r'^(?:%s)/(?P<year>\d{4})/(?P<month>\d{2})/(?P<day>\d{2})/(?P<slug>[-\w]+)/?$' % self.article_permalink_base), self.article_view)
-                                       )
-                               else:
-                                       article_patterns += patterns('',
-                                               url((r'^(?:%s)/(?P<year>\d{4})/(?P<month>\d{2})/(?P<slug>[-\w]+)/?$' % self.article_permalink_base), self.article_view)
+                               if self.article_permalink_style in 'DM':
+                                       urlpatterns += patterns('',
+                                               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')))

                                        )
                                        )

-                       else:
-                               article_patterns += patterns('',
-                                       url((r'^(?:%s)/(?P<year>\d{4})/(?P<slug>[-\w]+)/?$' % self.article_permalink_base), self.article_view)
-                               )
-               else:
-                       article_patterns += patterns('',
-                               url((r'^(?:%s)/(?P<slug>[-\w]+)/?$' % self.article_permalink_base), self.article_view)
+                                       if self.article_permalink_style == 'D':
+                                               urlpatterns += patterns('',
+                                                       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')))
+                                               )
+               
+               if self.article_permalink_style == 'Y':
+                       urlpatterns += patterns('',
+                               url(r'^%s/(?P<year>\d{4})/(?P<slug>[\w-]+)$' % self.article_permalink_base, self.article_view)

                        )
                        )

-               return base_patterns + article_patterns
+               elif self.article_permalink_style == 'M':
+                       urlpatterns += patterns('',
+                               url(r'^%s/(?P<year>\d{4})/(?P<month>\d{2})/(?P<slug>[\w-]+)$' % self.article_permalink_base, self.article_view)
+                       )
+               elif self.article_permalink_style == 'D':
+                       urlpatterns += patterns('',
+                               url(r'^%s/(?P<year>\d{4})/(?P<month>\d{2})/(?P<day>\d{2})/(?P<slug>[\w-]+)$' % self.article_permalink_base, self.article_view)
+                       )
+               else:   
+                       urlpatterns += patterns('',
+                               url(r'^%s/(?P<slug>[-\w]+)$' % self.article_permalink_base, self.article_view)
+                       )
+               
+               return urlpatterns

        
        

-       def index_view(self, request, node=None, extra_context=None):
-               context = {}
-               context.update(extra_context or {})
-               context.update({'newsletter': self.newsletter})
-               return self.index_page.render_to_response(node, request, extra_context=context)
+       def get_context(self):
+               return {'newsletter': self.newsletter}

        
        

-       def article_view(self, request, slug, year=None, month=None, day=None, node=None, extra_context=None):
-               articles = self.newsletter.articles.all()
-               if year:
-                       articles = articles.filter(date__year=year)
+       def get_article_queryset(self):
+               return self.newsletter.articles.all()
+       
+       def get_issue_queryset(self):
+               return self.newsletter.issues.all()
+       
+       def get_all_articles(self, request, extra_context=None):
+               return self.get_article_queryset(), extra_context
+       
+       def get_articles_by_ymd(self, request, year, month=None, day=None, extra_context=None):
+               articles = self.get_article_queryset().filter(date__year=year)

                if month:
                        articles = articles.filter(date__month=month)
                if day:
                        articles = articles.filter(date__day=day)
                if month:
                        articles = articles.filter(date__month=month)
                if day:
                        articles = articles.filter(date__day=day)

+               return articles, extra_context
+       
+       def get_articles_by_issue(self, request, numbering, extra_context=None):

                try:
                try:

-                       article = articles.get(slug=slug)
-               except:
+                       issue = self.get_issue_queryset().get(numbering=numbering)
+               except NewsletterIssue.DoesNotExist:

                        raise Http404
                        raise Http404

-               context = {}
-               context.update(extra_context or {})
-               context.update({'newsletter': self.newsletter, 'article': article})
-               return self.article_page.render_to_response(node, request, extra_context=context)
+               context = extra_context or {}
+               context.update({'issue': issue})
+               return self.get_article_queryset().filter(issues=issue), context

        
        

-       def article_archive_view(self, request, year=None, month=None, day=None, node=None, extra_context=None):
-               if not self.article_archive_page:
-                       raise Http404
-               articles = self.newsletter.articles.all()
+       def article_view(self, request, slug, year=None, month=None, day=None, extra_context=None):
+               articles = self.get_article_queryset()

                if year:
                        articles = articles.filter(date__year=year)
                if month:
                        articles = articles.filter(date__month=month)
                if day:
                        articles = articles.filter(date__day=day)
                if year:
                        articles = articles.filter(date__year=year)
                if month:
                        articles = articles.filter(date__month=month)
                if day:
                        articles = articles.filter(date__day=day)

-               context = {}
-               context.update(extra_context or {})
-               context.update({'newsletter': self.newsletter, 'year': year, 'month': month, 'day': day, 'articles': articles})
-               return self.article_archive_page.render_to_response(node, request, extra_context=context)
-       
-       def issue_view(self, request, number, node=None, extra_context=None):

                try:
                try:

-                       issue = self.newsletter.issues.get(number=number)
-               except:
+                       article = articles.get(slug=slug)
+               except NewsletterArticle.DoesNotExist:

                        raise Http404
                        raise Http404

-               context = {}
+               context = self.get_context()

                context.update(extra_context or {})
                context.update(extra_context or {})

-               context.update({'newsletter': self.newsletter, 'issue': issue})
-               return self.issue_page.render_to_response(node, request, extra_context=context)
+               context.update({'article': article})
+               return self.article_page.render_to_response(request, extra_context=context)

        
        

-       def issue_archive_view(self, request, node=None, extra_context=None):
+       def issue_archive_view(self, request, extra_context):

                if not self.issue_archive_page:
                        raise Http404
                if not self.issue_archive_page:
                        raise Http404

-               context = {}
+               context = self.get_context()

                context.update(extra_context or {})
                context.update(extra_context or {})

-               context.update({'newsletter': self.newsletter})
-               return self.issue_archive_page.render_to_response(node, request, extra_context=context)
\ No newline at end of file
+               context.update({
+                       'issues': self.get_issue_queryset()
+               })
+               return self.issue_archive_page.render_to_response(request, extra_context=context)
+       
+       def add_item(self, feed, obj, kwargs=None):
+               title = loader.get_template("penfield/feeds/newsletter_article/title.html")
+               description = loader.get_template("penfield/feeds/newsletter_article/description.html")
+               defaults = {
+                       'title': title.render(Context({'article': obj})),
+                       'author_name': ', '.join([author.get_full_name() for author in obj.authors.all()]),
+                       'pubdate': obj.date,
+                       'description': description.render(Context({'article': obj})),
+                       'categories': [tag.name for tag in obj.tags.all()]
+               }
+               defaults.update(kwargs or {})
+               super(NewsletterView, self).add_item(feed, obj, defaults)
+       
+       def get_feed(self, feed_type, extra_context, kwargs=None):
+               title = self.newsletter.title
+               
+               defaults = {
+                       'title': title
+               }
+               defaults.update(kwargs or {})
+               return super(NewsletterView, self).get_feed(feed_type, extra_context, defaults)