code.kerkeslager.com Git - styx.blog/blob - core/models.py

   1 import re
   2
   3 from django.contrib.auth.models import User
   4 from django.db import models
   5 from django.utils.safestring import mark_safe
   6
   7 import commonmark
   8
   9 class Post(models.Model):
  10     title = models.CharField(max_length=256, null=True)
  11     slug = models.SlugField()
  12     author = models.ForeignKey(User, on_delete=models.CASCADE)
  13     publication_utc = models.DateTimeField(null=True, blank=True)
  14     body_markdown = models.TextField(null=True)
  15
  16     def __str__(self):
  17         return self.title
  18
  19     @property
  20     def body_html(self):
  21         return mark_safe(commonmark.commonmark(self.body_markdown))
  22
  23     @property
  24     def teaser_html(self):
  25         paragraphs = re.split(r'\n(\s*\n)+', self.body_markdown)
  26
  27         if len(paragraphs) == 0:
  28             return ''
  29
  30         teaser_markdown = paragraphs[0]
  31
  32         for p in paragraphs[1:]:
  33             if len(teaser_markdown) > 512:
  34                 break
  35             teaser_markdown += '\n\n' + p
  36
  37         return mark_safe(commonmark.commonmark(teaser_markdown))