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wagtail-website-2018-spike/project/blog/models.py

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Python

from project.common.blocks import build_stream_field
from wagtail.admin.edit_handlers import StreamFieldPanel, FieldPanel
from wagtail.search import index
from project.common.models import Entity
from django.db import models
from wagtail.contrib.routable_page.models import RoutablePageMixin, route
from modelcluster.fields import ParentalKey
from modelcluster.contrib.taggit import ClusterTaggableManager
from taggit.models import TaggedItemBase, Tag
class BlogPageTag(TaggedItemBase):
content_object = ParentalKey(
'BlogPage',
related_name='tagged_items',
on_delete=models.CASCADE
)
class BlogPage(Entity):
body = build_stream_field()
tags = ClusterTaggableManager(through=BlogPageTag, blank=True)
search_fields = Entity.search_fields + [
index.SearchField('body'),
]
content_panels = Entity.content_panels + [
StreamFieldPanel('body'),
FieldPanel('tags')
]
class Meta:
ordering = ('post_date',)
def get_date_group(self):
if self.post_date:
return self.post_date.strftime("%Y-%m")
class BlogIndexPage(Entity):
body = build_stream_field()
subpage_types = [BlogPage]
content_panels = Entity.content_panels + [
StreamFieldPanel('body')
]
def get_context(self, request, *args, **kwargs):
context = super().get_context(request)
child_pages = self.get_children().specific().live().values_list('id', flat=True)
context['blogs'] = BlogPage.objects.filter(id__in=child_pages)
tag_filter = request.GET.get('tag')
if tag_filter:
context['tag'] = tag_filter
context['blogs'] = context['blogs'].filter(tags__name=tag_filter)
return context