Added post-save and post-delete signals to manage Embed instances. Added the delete...
[philo.git] / contrib / penfield / models.py
index 50b82d4..555d9a2 100644 (file)
@@ -10,6 +10,8 @@ from philo.utils import paginate
 from philo.contrib.penfield.validators import validate_pagination_count
 from django.utils.feedgenerator import Atom1Feed, Rss201rev2Feed
 from philo.contrib.penfield.utils import FeedMultiViewMixin
+from philo.contrib.penfield.embed import *
+from django.template import add_to_builtins as register_templatetags
 
 
 class Blog(Entity, Titled):
@@ -65,7 +67,8 @@ class BlogView(MultiView, FeedMultiViewMixin):
        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() 
+       feeds_enabled = models.BooleanField()
+       list_var = 'entries'
        
        def __unicode__(self):
                return u'BlogView for %s' % self.blog.title
@@ -74,35 +77,35 @@ class BlogView(MultiView, FeedMultiViewMixin):
        def per_page(self):
                return self.entries_per_page
        
-       @property
-       def feed_title(self):
-               return self.blog.title
-       
        def get_subpath(self, obj):
                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':
-                                       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':
-                                               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':
-                                                       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 reverse(self.entry_view, urlconf=self, kwargs=kwargs)
                elif isinstance(obj, Tag):
                        if obj in self.blog.entry_tags:
-                               return reverse(self.tag_view, urlconf=self, kwargs={'tag_slugs': obj.slug})
+                               return reverse('entries_by_tag', 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)})
+                               kwargs = {}
+                               try:
+                                       kwargs.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)})
+                                               kwargs.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)
+                                                       kwargs.update({'day': str(int(split_obj[3])).zfill(2)})
+                                                       return reverse('entries_by_day', urlconf=self, kwargs=kwargs)
+                                               return reverse('entries_by_month', urlconf=self, kwargs=kwargs)
+                                       return reverse('entries_by_year', urlconf=self, kwargs=kwargs)
+                               except:
+                                       pass
                raise ViewCanNotProvideSubpath
        
        def get_context(self):
@@ -110,40 +113,51 @@ class BlogView(MultiView, FeedMultiViewMixin):
        
        @property
        def urlpatterns(self):
-               base_patterns = patterns('',
+               urlpatterns = patterns('',
                        url(r'^', include(self.feed_patterns(self.get_all_entries, self.index_page, 'index'))),
-                       url((r'^(?:%s)/?$' % self.tag_permalink_base), self.tag_archive_view),
-                       url((r'^(?:%s)/(?P<tag_slugs>[-\w]+[-+/\w]*)/' % self.tag_permalink_base), include(self.feed_patterns(self.get_entries_by_tag, self.tag_page, 'entries_by_tag')))
+                       url(r'^%s/(?P<tag_slugs>[-\w]+[-+/\w]*)/%s/' % (self.tag_permalink_base, self.feed_suffix), self.feed_view(self.get_entries_by_tag, 'entries_by_tag_feed'), name='entries_by_tag_feed'),
+                       url(r'^%s/(?P<tag_slugs>[-\w]+[-+/\w]*)/' % self.tag_permalink_base, self.page_view(self.get_entries_by_tag, self.tag_page), name='entries_by_tag')
                )
+               if self.tag_archive_page:
+                       urlpatterns += patterns('',
+                               url((r'^(?:%s)/?$' % self.tag_permalink_base), self.tag_archive_view)
+                       )
+               
+               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':
-                       entry_patterns = patterns('',
-                               url(r'^(?P<year>\d{4})/', include(self.feed_patterns(self.get_entries_by_ymd, self.entry_archive_page, 'entries_by_year'))),
-                               url(r'^(?P<year>\d{4})/(?P<month>\d{2})/?$', include(self.feed_patterns(self.get_entries_by_ymd, self.entry_archive_page, 'entries_by_month'))),
-                               url(r'^(?P<year>\d{4})/(?P<month>\d{2})/(?P<day>\d{2})/?$', include(self.feed_patterns(self.get_entries_by_ymd, self.entry_archive_page, 'entries_by_day'))),
+                       urlpatterns += patterns('',
                                url(r'^(?P<year>\d{4})/(?P<month>\d{2})/(?P<day>\d{2})/(?P<slug>[-\w]+)/?$', self.entry_view)
                        )
                elif self.entry_permalink_style == 'M':
-                       entry_patterns = patterns('',
-                               url(r'^(?P<year>\d{4})/', include(self.feed_patterns(self.get_entries_by_ymd, self.entry_archive_page, 'entries_by_year'))),
-                               url(r'^(?P<year>\d{4})/(?P<month>\d{2})/?$', include(self.feed_patterns(self.get_entries_by_ymd, self.entry_archive_page, 'entries_by_month'))),
+                       urlpatterns += patterns('',
                                url(r'^(?P<year>\d{4})/(?P<month>\d{2})/(?P<slug>[-\w]+)/?$', self.entry_view)
                        )
                elif self.entry_permalink_style == 'Y':
-                       entry_patterns = patterns('',
-                               url(r'^(?P<year>\d{4})/', include(self.feed_patterns(self.get_entries_by_ymd, self.entry_archive_page, 'entries_by_year'))),
+                       urlpatterns += patterns('',
                                url(r'^(?P<year>\d{4})/(?P<slug>[-\w]+)/?$', self.entry_view)
                        )
                elif self.entry_permalink_style == 'B':
-                       entry_patterns = patterns('',
-                               url((r'^(?:%s)/?$' % self.entry_permalink_base), 
-                                       url(r'^(?P<year>\d{4})/', include(self.feed_patterns(self.get_all_entries, self.entry_archive_page, 'entries_by_year'))),),
+                       urlpatterns += patterns('',
                                url((r'^(?:%s)/(?P<slug>[-\w]+)/?$' % self.entry_permalink_base), self.entry_view)
                        )
                else:
-                       entry_patterns = patterns('',
+                       urlpatterns = patterns('',
                                url(r'^(?P<slug>[-\w]+)/?$', self.entry_view)
                        )
-               return base_patterns + entry_patterns
+               return urlpatterns
        
        def get_all_entries(self, request, node=None, extra_context=None):
                return self.blog.entries.all(), extra_context
@@ -163,7 +177,7 @@ class BlogView(MultiView, FeedMultiViewMixin):
                context.update({'year': year, 'month': month, 'day': day})
                return entries, context
        
-       def get_entries_by_tag(self, request, node=None, extra_context=None):
+       def get_entries_by_tag(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 /)
@@ -178,10 +192,35 @@ class BlogView(MultiView, FeedMultiViewMixin):
                entries = self.blog.entries.all()
                for tag in tags:
                        entries = entries.filter(tags=tag)
-               if entries.count() <= 0:
-                       raise Http404
                
-               return entries, extra_context
+               context = self.get_context()
+               context.update(extra_context or {})
+               context.update({'tags': tags})
+               
+               return entries, context
+       
+       def add_item(self, feed, obj, kwargs=None):
+               defaults = {
+                       'title': obj.title,
+                       'description': obj.excerpt or obj.content,
+                       '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)
        
        def entry_view(self, request, slug, year=None, month=None, day=None, node=None, extra_context=None):
                entries = self.blog.entries.all()
@@ -222,6 +261,7 @@ class NewsletterArticle(Entity, Titled):
        date = models.DateTimeField(default=datetime.now)
        lede = models.TextField(null=True, blank=True)
        full_text = models.TextField()
+       tags = models.ManyToManyField(Tag, related_name='newsletterarticles', blank=True, null=True)
        
        class Meta:
                get_latest_by = 'date'
@@ -234,18 +274,18 @@ register_value_model(NewsletterArticle)
 
 class NewsletterIssue(Entity, Titled):
        newsletter = models.ForeignKey(Newsletter, related_name='issues')
-       number = models.PositiveIntegerField()
+       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:
-               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'),
@@ -265,85 +305,99 @@ 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')
        
+       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_subpath(self, obj):
                if isinstance(obj, NewsletterArticle):
                        if obj.newsletter == self.newsletter:
-                               article_view_args = {'slug': obj.slug}
+                               kwargs = {'slug': obj.slug}
                                if self.article_permalink_style in 'DMY':
-                                       article_view_args.update({'year': str(obj.date.year).zfill(4)})
+                                       kwargs.update({'year': str(obj.date.year).zfill(4)})
                                        if self.article_permalink_style in 'DM':
-                                               article_view_args.update({'month': str(obj.date.month).zfill(2)})
+                                               kwargs.update({'month': str(obj.date.month).zfill(2)})
                                                if self.article_permalink_style == 'D':
-                                                       article_view_args.update({'day': str(obj.date.day).zfill(2)})
-                               return reverse(self.article_view, urlconf=self, kwargs=article_view_args)
+                                                       kwargs.update({'day': str(obj.date.day).zfill(2)})
+                               return reverse(self.article_view, urlconf=self, kwargs=kwargs)
                elif isinstance(obj, NewsletterIssue):
                        if obj.newsletter == self.newsletter:
-                               return reverse(self.issue_view, urlconf=self, kwargs={'number': str(obj.number)})
+                               return reverse('issue', urlconf=self, kwargs={'numbering': obj.numbering})
                raise ViewCanNotProvideSubpath
        
        @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+)/?$' % self.issue_permalink_base), self.issue_view)
+               urlpatterns = patterns('',
+                       url(r'^', include(self.feed_patterns(self.get_all_articles, self.index_page, 'index'))),
+                       url(r'^(?:%s)/(?P<numbering>.+)/' % self.issue_permalink_base, include(self.feed_patterns(self.get_articles_by_issue, self.issue_page, 'issue')))
                )
-               article_patterns = patterns('',
-                       url((r'^(?:%s)/?$' % self.article_permalink_base), self.article_archive_view)
-               )
-               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)
+                       )
+               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 'DM':
-                               article_patterns += patterns('',
-                                       url((r'^(?:%s)/(?P<year>\d{4})/(?P<month>\d{2})/?$' % self.article_permalink_base), self.article_archive_view)
+                       if self.article_permalink_style in 'DMY':
+                               urlpatterns += patterns('',
+                                       url(r'^(?:%s)/(?P<year>\d{4})/' % self.article_permalink_base, include(self.feed_patterns(self.get_articles_by_ymd, self.article_archive_page, 'articles_by_year')))
                                )
-                               if self.article_permalink_style == 'D':
-                                       article_patterns += patterns('',
-                                               url((r'^(?:%s)/(?P<year>\d{4})/(?P<month>\d{2})/(?P<day>\d{2})/?$' % 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]+)/?$' % self.article_permalink_base), self.article_view)
+                               if self.article_permalink_style in 'DM':
+                                       urlpatterns += patterns('',
+                                               url(r'^(?:%s)/(?P<year>\d{4})/(?P<month>\d{2})/' % self.article_permalink_base, include(self.feed_patterns(self.get_articles_by_ymd, self.article_archive_page, 'articles_by_month')))
                                        )
-                               else:
-                                       article_patterns += patterns('',
-                                               url((r'^(?:%s)/(?P<year>\d{4})/(?P<month>\d{2})/(?P<slug>[-\w]+)/?$' % self.article_permalink_base), self.article_view)
-                                       )
-                       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-]+)/$' % self.article_permalink_base, self.article_view)
+                       )
+               elif self.article_permalink_style == 'M':
+                       urlpatterns += patterns('',
+                               url(r'^(?:%s)/(?P<year>\d{4})/(?P<month>\d{2})/(?P<slug>[\w-]+)/$' % 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 base_patterns + article_patterns
+               
+               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_all_articles(self, request, node, extra_context=None):
+               return self.newsletter.articles.all(), extra_context
+       
+       def get_articles_by_ymd(self, request, year, month=None, day=None, node=None, extra_context=None):
+               articles = self.newsletter.articles.filter(dat__year=year)
                if month:
                        articles = articles.filter(date__month=month)
                if day:
                        articles = articles.filter(date__day=day)
+               return articles
+       
+       def get_articles_by_issue(self, request, numbering, node=None, extra_context=None):
                try:
-                       article = articles.get(slug=slug)
+                       issue = self.newsletter.issues.get(numbering=numbering)
                except:
                        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 issue.articles.all(), 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
+       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)
@@ -351,20 +405,14 @@ class NewsletterView(MultiView):
                        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:
-                       issue = self.newsletter.issues.get(number=number)
+                       article = articles.get(slug=slug)
                except:
                        raise Http404
-               context = {}
+               context = self.get_context()
                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(node, request, extra_context=context)
        
        def issue_archive_view(self, request, node=None, extra_context=None):
                if not self.issue_archive_page:
@@ -372,4 +420,27 @@ class NewsletterView(MultiView):
                context = {}
                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
+               return self.issue_archive_page.render_to_response(node, request, extra_context=context)
+       
+       def add_item(self, feed, obj, kwargs=None):
+               defaults = {
+                       'title': obj.title,
+                       'author_name': ', '.join(obj.authors),
+                       'pubdate': obj.date,
+                       'description': obj.lede or obj.full_text,
+                       '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)
+
+
+register_templatetags('philo.contrib.penfield.templatetags.embed')
\ No newline at end of file