iamkonstantin/blog/models.py

116 lines
No EOL
3.3 KiB
Python

from django import forms
from django.db import models
from modelcluster.fields import ParentalKey, ParentalManyToManyField
from modelcluster.contrib.taggit import ClusterTaggableManager
from taggit.models import TaggedItemBase
from wagtail.models import Page, Orderable
from wagtail.fields import RichTextField, StreamField
from wagtail.admin.panels import FieldPanel, InlinePanel, MultiFieldPanel
from wagtail.search import index
from wagtail.snippets.models import register_snippet
from blog.blocks import BlogPostBlock
class BlogIndexPage(Page):
intro = RichTextField(blank=True)
def get_context(self, request):
# Update context to include only published posts, ordered by reverse-chron
context = super().get_context(request)
blogpages = self.get_children().live().order_by('-first_published_at')
context['blogpages'] = blogpages
return context
content_panels = Page.content_panels + [
FieldPanel('intro')
]
class BlogTagIndexPage(Page):
def get_context(self, request):
tag = request.GET.get('tag')
blogpages = BlogPage.objects.filter(tags__name=tag)
# Update template context
context = super().get_context(request)
context['blogpages'] = blogpages
return context
class BlogPageTag(TaggedItemBase):
content_object = ParentalKey(
'BlogPage',
related_name='tagged_items',
on_delete=models.CASCADE
)
class BlogPage(Page):
date = models.DateField("Post date")
intro = models.CharField(max_length=250)
body = StreamField(
BlogPostBlock(),
blank=True,
use_json_field=True,
help_text="Write anything",
)
authors = ParentalManyToManyField('blog.Author', blank=True)
tags = ClusterTaggableManager(through=BlogPageTag, blank=True)
def main_image(self):
gallery_item = self.gallery_images.first()
if gallery_item:
return gallery_item.image
else:
return None
search_fields = Page.search_fields + [
index.SearchField('intro'),
index.SearchField('body'),
]
content_panels = Page.content_panels + [
MultiFieldPanel([
FieldPanel('date'),
FieldPanel('authors', widget=forms.CheckboxSelectMultiple),
FieldPanel('tags'),
], heading="Blog information"),
FieldPanel('intro'),
FieldPanel('body'),
InlinePanel('gallery_images', label="Gallery images"),
]
class BlogPageGalleryImage(Orderable):
page = ParentalKey(BlogPage, on_delete=models.CASCADE, related_name='gallery_images')
image = models.ForeignKey(
'wagtailimages.Image', on_delete=models.CASCADE, related_name='+'
)
caption = models.CharField(blank=True, max_length=250)
panels = [
FieldPanel('image'),
FieldPanel('caption'),
]
@register_snippet
class Author(models.Model):
name = models.CharField(max_length=255)
author_image = models.ForeignKey(
'wagtailimages.Image', null=True, blank=True,
on_delete=models.SET_NULL, related_name='+'
)
panels = [
FieldPanel('name'),
FieldPanel('author_image'),
]
def __str__(self):
return self.name
class Meta:
verbose_name_plural = 'Authors'