47 lines
1.6 KiB
Python
47 lines
1.6 KiB
Python
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from django.db import models
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from django.utils import encoding
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from django.utils.text import slugify
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from utils.models import CreatedUpdatedModel
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@encoding.python_2_unicode_compatible
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class NewsItem(CreatedUpdatedModel):
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class Meta:
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ordering = ['-published_at']
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title = models.CharField(max_length=100)
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content = models.TextField()
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published_at = models.DateTimeField(null=True, blank=True)
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slug = models.SlugField(max_length=255, blank=True)
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archived = models.BooleanField(default=False)
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def __str__(self):
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return self.title
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def save(self, **kwargs):
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if self.published_at:
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# 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
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if (not self.pk or not self.slug or NewsItem.objects.filter(slug=self.slug).count() > 1):
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published_at_string = self.published_at.strftime('%Y-%m-%d')
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base_slug = slugify(self.title)
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slug = '{}-{}'.format(published_at_string, base_slug)
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incrementer = 1
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# We have to make sure that the slug won't clash with current slugs
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while NewsItem.objects.filter(slug=slug).exists():
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if incrementer == 1:
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slug = '{}-1'.format(slug)
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else:
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slug = '{}-{}'.format(
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'-'.join(slug.split('-')[:-1]),
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incrementer
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)
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incrementer += 1
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self.slug = slug
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super(NewsItem, self).save(**kwargs)
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