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.
5 from django.db import models
7 from librarian import html
8 from sortify import sortify
10 from catalogue.models import Book
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)
20 ordering = ['sort_key']
23 def notes_from_book(sender, **kwargs):
24 Note.objects.filter(book=sender).delete()
25 if sender.has_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, sort_key=sortify(text_str))
30 Book.html_built.connect(notes_from_book)