156 lines
4.0 KiB
Python
156 lines
4.0 KiB
Python
from django.contrib.auth import get_user_model
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from django.contrib.sites.models import Site
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from django.db import models
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from django.urls import reverse
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from itertools import groupby
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from slugify import slugify
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from textwrap import shorten
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from urllib.parse import urljoin
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from meta.models import ModelMeta
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from model_utils.models import TimeStampedModel
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from users.models import Profile
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from . import kinds
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ENTRY_KINDS = [(k.id, k.id) for k in kinds.all]
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class EntryManager(models.Manager):
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def get_queryset(self):
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qs = super(EntryManager, self).get_queryset()
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return qs.select_related('author').prefetch_related('syndications')
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class Entry(ModelMeta, TimeStampedModel):
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objects = EntryManager()
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kind = models.CharField(
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max_length=30,
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choices=ENTRY_KINDS,
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db_index=True,
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default=ENTRY_KINDS[0][0]
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)
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name = models.CharField(max_length=100, blank=True)
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photo = models.ImageField(blank=True)
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content = models.TextField()
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author = models.ForeignKey(
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get_user_model(),
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related_name='entries',
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on_delete=models.CASCADE,
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)
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@property
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def published(self):
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return self.created
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@property
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def updated(self):
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return self.modified
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_metadata = {
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'description': 'excerpt',
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'image': 'image_url',
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'twitter_creator': 'twitter_creator',
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'og_profile_id': 'og_profile_id',
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}
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@property
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def title(self):
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if self.name:
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return self.name
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return shorten(self.paragraphs[0], width=100, placeholder='…')
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@property
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def excerpt(self):
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try:
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return self.paragraphs[0 if self.name else 1]
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except IndexError:
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return ' '
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@property
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def paragraphs(self):
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lines = self.content.splitlines()
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return [
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"\n".join(para) for k, para in groupby(lines, key=bool) if k
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]
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@property
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def twitter_creator(self):
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return self.author.twitter_username
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@property
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def og_profile_id(self):
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return self.author.facebook_id
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@property
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def image_url(self):
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return self.photo.url if self.photo else self.author.avatar_url
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def __str__(self):
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return '{0} {1}: {2}'.format(self.kind, self.id, self.title)
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def get_absolute_url(self):
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return self.url
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@property
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def url(self):
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kind = kinds.from_id[self.kind]
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args = [self.id]
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if kind.slug:
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args.append(self.slug)
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return reverse('entries:' + kind.entry, args=args)
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@property
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def slug(self):
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return slugify(self.name)
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@property
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def json_ld(self):
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base = 'https://' + Site.objects.get_current().domain
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url = urljoin(base, self.url)
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posting = {
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'@context': 'http://schema.org',
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'@type': 'BlogPosting',
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'@id': url,
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'url': url,
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'mainEntityOfPage': url,
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'author': {
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'@type': 'Person',
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'url': urljoin(base, self.author.url),
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'name': self.author.name,
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},
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'headline': self.title,
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'description': self.excerpt,
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'datePublished': self.created.isoformat(),
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'dateModified': self.modified.isoformat(),
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}
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if self.photo:
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posting['image'] = (urljoin(base, self.photo.url), )
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return posting
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class Meta:
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verbose_name_plural = 'entries'
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ordering = ['-created']
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class SyndicationManager(models.Manager):
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def get_queryset(self):
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qs = super(SyndicationManager, self).get_queryset()
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return qs.select_related('profile__site')
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class Syndication(models.Model):
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objects = SyndicationManager()
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entry = models.ForeignKey(
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Entry,
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related_name='syndications',
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on_delete=models.CASCADE
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)
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profile = models.ForeignKey(Profile, on_delete=models.CASCADE)
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url = models.CharField(max_length=255)
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class Meta:
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ordering = ['profile']
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