Revised penfield's pagination helper to work more generically.

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

diff --git a/contrib/penfield/models.py b/contrib/penfield/models.py
index 0e5bce0..94ad5c3 100644 (file)
--- a/contrib/penfield/models.py
+++ b/contrib/penfield/models.py
@@ -3,6 +3,7 @@ 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.paginator import EmptyPage
 from django.core.urlresolvers import reverse
 from django.http import Http404, HttpResponse
 from datetime import datetime
@@ -15,6 +16,11 @@ 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()
+       
+       @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)
@@ -75,6 +81,17 @@ class BlogView(MultiView):
                elif isinstance(obj, Tag):
                        if obj in self.blog.entry_tags:
                                return reverse(self.tag_view, urlconf=self, kwargs={'tag_slugs': obj.slug})
+               elif isinstance(obj, (str, unicode)):
+                       split_obj = obj.split(':')
+                       if len(split_obj) > 1:
+                               entry_archive_view_args = {}
+                               if split_obj[0].lower() == 'archives':
+                                       entry_archive_view_args.update({'year': str(int(split_obj[1])).zfill(4)})
+                                       if len(split_obj) > 2:
+                                               entry_archive_view_args.update({'month': str(int(split_obj[2])).zfill(2)})
+                                               if len(split_obj) > 3:
+                                                       entry_archive_view_args.update({'day': str(int(split_obj[3])).zfill(2)})
+                                       return reverse(self.entry_archive_view, urlconf=self, kwargs=entry_archive_view_args)
                raise ViewCanNotProvideSubpath
        
        @property
@@ -113,13 +130,14 @@ class BlogView(MultiView):
                        )
                return base_patterns + entry_patterns
        
+       def paginate(self, objects, page_number):
+               try:
+                       return paginate(objects, self.entries_per_page, page_number)
+               except EmptyPage:
+                       raise Http404
+       
        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
+               paginated_page, entries = self.paginate(self.blog.entries.all(), request.GET.get('page', 1))
                context = {}
                context.update(extra_context or {})
                context.update({'blog': self.blog, 'entries': entries, 'paginated_page': paginated_page})
@@ -152,11 +170,8 @@ class BlogView(MultiView):
                        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
+               
+               paginated_page, entries = self.paginate(entries, request.GET.get('page', 1))
                context = {}
                context.update(extra_context or {})
                context.update({'blog': self.blog, 'year': year, 'month': month, 'day': day, 'entries': entries, 'paginated_page': paginated_page})
@@ -180,11 +195,7 @@ class BlogView(MultiView):
                if entries.count() <= 0:
                        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
+               paginated_page, entries = self.paginate(entries, request.GET.get('page', 1))
                context = {}
                context.update(extra_context or {})
                context.update({'blog': self.blog, 'tags': tags, 'entries': entries, 'paginated_page': paginated_page})
@@ -203,6 +214,9 @@ 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')
@@ -211,6 +225,7 @@ class NewsletterArticle(Entity, Titled):
        full_text = models.TextField()
        
        class Meta:
+               get_latest_by = 'date'
                ordering = ['-date']
                unique_together = (('newsletter', 'slug'),)
 
@@ -221,13 +236,16 @@ register_value_model(NewsletterArticle)
 class NewsletterIssue(Entity, Titled):
        newsletter = models.ForeignKey(Newsletter, related_name='issues')
        number = models.PositiveIntegerField()
-       articles = models.ManyToManyField(NewsletterArticle)
+       articles = models.ManyToManyField(NewsletterArticle, related_name='issues')
        
        class Meta:
                ordering = ['-number']
                unique_together = (('newsletter', 'number'),)
 
 
+register_value_model(NewsletterIssue)
+
+
 class NewsletterView(MultiView):
        ARTICLE_PERMALINK_STYLE_CHOICES = (
                ('D', 'Year, month, and day'),