apps/dictionary/models.py

   1 # -*- coding: utf-8 -*-
   2 # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
   3 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
   4 #
   5 from django.db import models
   6
   7 from librarian import html
   8 from sortify import sortify
   9
  10 from catalogue.models import Book
  11
  12
  13 class Note(models.Model):
  14     book = models.ForeignKey(Book)
  15     anchor = models.CharField(max_length=64)
  16     html = models.TextField()
  17     sort_key = models.CharField(max_length=128, db_index=True)
  18
  19     class Meta:
  20         ordering = ['sort_key']
  21
  22
  23 def notes_from_book(sender, **kwargs):
  24     Note.objects.filter(book=sender).delete()
  25     if sender.html_file:
  26         for anchor, text_str, html_str in html.extract_annotations(sender.html_file.path):
  27             Note.objects.create(book=sender, anchor=anchor,
  28                                html=html_str,
  29                                sort_key=sortify(text_str).strip()[:128])
  30
  31 # always re-extract notes after making a HTML in a Book
  32 Book.html_built.connect(notes_from_book)