bornhack-website/src/news/models.py

42 lines
1.4 KiB
Python

from django.db import models
from django.urls import reverse
from django.utils.text import slugify
from utils.models import CreatedUpdatedModel
from utils.slugs import unique_slugify
class NewsItem(CreatedUpdatedModel):
class Meta:
ordering = ["-published_at"]
title = models.CharField(max_length=100)
content = models.TextField()
published_at = models.DateTimeField(null=True, blank=True)
slug = models.SlugField(max_length=255, blank=True)
archived = models.BooleanField(default=False)
def __str__(self):
return self.title
def save(self, **kwargs):
if self.published_at:
# if this is a new newsitem, or it doesn't have a slug, or the slug is in use on another item, create a new slug
if (
not self.pk
or not self.slug
or NewsItem.objects.filter(slug=self.slug).count() > 1
):
published_at_string = self.published_at.strftime("%Y-%m-%d")
base_slug = slugify(self.title)
slug = "{}-{}".format(published_at_string, base_slug)
self.slug = unique_slugify(
slug,
slugs_in_use=self.__class__.objects.all().values_list(
"slug", flat=True
),
)
super().save(**kwargs)
def get_absolute_url(self):
return reverse("news:detail", kwargs={"slug": self.slug})