Implementation of basic conversion between Django forms and ExtJS forms.
[philo.git] / contrib / penfield / models.py
index 66f5de2..e433b84 100644 (file)
@@ -2,12 +2,14 @@ from django.db import models
 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.conf.urls.defaults import url, patterns, include
 from django.core.urlresolvers import reverse
-from django.http import Http404, HttpResponse
+from django.http import Http404
 from datetime import datetime
-from philo.contrib.penfield.utils import paginate
+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
 
 
 class Blog(Entity, Titled):
@@ -15,13 +17,18 @@ 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)
 
 
 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')
        date = models.DateTimeField(default=datetime.now)
        content = models.TextField()
@@ -36,7 +43,7 @@ class BlogEntry(Entity, Titled):
 register_value_model(BlogEntry)
 
 
-class BlogView(MultiView):
+class BlogView(MultiView, FeedMultiViewMixin):
        ENTRY_PERMALINK_STYLE_CHOICES = (
                ('D', 'Year, month, and day'),
                ('M', 'Year and month'),
@@ -57,92 +64,105 @@ 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')
+       feed_suffix = models.CharField(max_length=255, blank=False, default=FeedMultiViewMixin.feed_suffix)
+       feeds_enabled = models.BooleanField() 
        
        def __unicode__(self):
                return u'BlogView for %s' % self.blog.title
        
+       @property
+       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:
+                               kwargs = {}
+                               try:
+                                       kwargs.update({'year': str(int(split_obj[1])).zfill(4)})
+                                       if len(split_obj) > 2:
+                                               kwargs.update({'month': str(int(split_obj[2])).zfill(2)})
+                                               if len(split_obj) > 3:
+                                                       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):
+               return {'blog': self.blog}
+       
        @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]*)/?$' % self.tag_permalink_base), self.tag_view)
+               urlpatterns = patterns('',
+                       url(r'^', include(self.feed_patterns(self.get_all_entries, self.index_page, 'index'))),
+                       url((r'^(?:%s)/(?P<tag_slugs>[-\w]+[-+/\w]*)/' % self.tag_permalink_base), include(self.feed_patterns(self.get_entries_by_tag, self.tag_page, 'entries_by_tag')))
                )
+               if self.tag_archive_page:
+                       urlpatterns += patterns('',
+                               url((r'^(?:%s)/?$' % 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})/?$', self.entry_archive_view),
-                               url(r'^(?P<year>\d{4})/(?P<month>\d{2})/?$', self.entry_archive_view),
-                               url(r'^(?P<year>\d{4})/(?P<month>\d{2})/(?P<day>\d{2})/?$', self.entry_archive_view),
+                       urlpatterns += patterns('',
                                url(r'^(?P<year>\d{4})/(?P<month>\d{2})/(?P<day>\d{2})/(?P<slug>[-\w]+)/?$', self.entry_view)
                        )
                elif self.entry_permalink_style == 'M':
-                       entry_patterns = patterns('',
-                               url(r'^(?P<year>\d{4})/?$', self.entry_archive_view),
-                               url(r'^(?P<year>\d{4})/(?P<month>\d{2})/?$', self.entry_archive_view),
+                       urlpatterns += patterns('',
                                url(r'^(?P<year>\d{4})/(?P<month>\d{2})/(?P<slug>[-\w]+)/?$', self.entry_view)
                        )
                elif self.entry_permalink_style == 'Y':
-                       entry_patterns = patterns('',
-                               url(r'^(?P<year>\d{4})/?$', self.entry_archive_view),
+                       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), self.entry_archive_view),
+                       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
-       
-       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)
+               return urlpatterns
        
-       def entry_view(self, request, slug, year=None, month=None, day=None, node=None, extra_context=None):
-               entries = self.blog.entries.all()
-               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)
+       def get_all_entries(self, request, node=None, extra_context=None):
+               return self.blog.entries.all(), extra_context
        
-       def entry_archive_view(self, request, year=None, month=None, day=None, node=None, extra_context=None):
+       def get_entries_by_ymd(self, request, year=None, month=None, day=None, node=None, extra_context=None):
                if not self.entry_archive_page:
                        raise Http404
                entries = self.blog.entries.all()
@@ -152,17 +172,12 @@ 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
-               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)
+               
+               context = extra_context or {}
+               context.update({'year': year, 'month': month, 'day': day})
+               return entries, context
        
-       def tag_view(self, request, tag_slugs, node=None, extra_context=None):
+       def get_entries_by_tag(self, request, 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 /)
@@ -173,22 +188,34 @@ class BlogView(MultiView):
                                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:
                        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 = {}
+               return entries, extra_context
+       
+       def get_obj_description(self, obj):
+               return obj.excerpt
+       
+       def entry_view(self, request, slug, year=None, month=None, day=None, node=None, extra_context=None):
+               entries = self.blog.entries.all()
+               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 = self.get_context()
                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(node, request, extra_context=context)
        
        def tag_archive_view(self, request, node=None, extra_context=None):
                if not self.tag_archive_page:
@@ -235,7 +262,7 @@ class NewsletterIssue(Entity, Titled):
 register_value_model(NewsletterIssue)
 
 
-class NewsletterView(MultiView):
+class NewsletterView(MultiView, FeedMultiViewMixin):
        ARTICLE_PERMALINK_STYLE_CHOICES = (
                ('D', 'Year, month, and day'),
                ('M', 'Year and month'),
@@ -255,85 +282,99 @@ 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()
+       
+       @property
+       def feed_title(self):
+               return self.newsletter.title
+       
        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={'number': str(obj.number)})
                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+)/?$' % self.issue_permalink_base), self.issue_view)
+               urlpatterns = patterns('',
+                       url(r'^', include(self.feed_patterns(self.get_all_articles, self.index_page, 'index'))),
+                       url(r'^(?:%s)/(?P<number>\d+)/' % self.issue_permalink_base, include(self.feed_patterns(self.get_articles_by_issue, self.issue_page, 'issue')))
                )
-               article_patterns = patterns('',
-                       url((r'^(?:%s)/?$' % 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]+)/?$' % self.article_permalink_base), self.article_view)
-                                       )
-                               else:
-                                       article_patterns += patterns('',
-                                               url((r'^(?:%s)/(?P<year>\d{4})/(?P<month>\d{2})/(?P<slug>[-\w]+)/?$' % 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_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, number, node=None, extra_context=None):
                try:
-                       article = articles.get(slug=slug)
+                       issue = self.newsletter.issues.get(number=number)
                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)
@@ -341,20 +382,14 @@ 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.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({'newsletter': self.newsletter, '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:
@@ -362,4 +397,7 @@ 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 get_obj_description(self, obj):
+               return obj.lede or obj.full_text
\ No newline at end of file