Merge branch 'master' into rwd
[wolnelektury.git] / apps / catalogue / tasks.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 datetime import datetime
6 from traceback import print_exc
7 from celery.task import task
8 from django.conf import settings
9 from wolnelektury.utils import localtime_to_utc
10
11
12 # TODO: move to model?
13 def touch_tag(tag):
14     update_dict = {
15         'book_count': tag.get_count(),
16         'changed_at': localtime_to_utc(datetime.now()),
17     }
18
19     type(tag).objects.filter(pk=tag.pk).update(**update_dict)
20
21
22 @task(ignore_result=True)
23 def fix_tree_tags(book):
24     book.fix_tree_tags()
25
26
27 @task
28 def index_book(book_id, book_info=None, **kwargs):
29     from catalogue.models import Book
30     try:
31         return Book.objects.get(id=book_id).search_index(book_info, **kwargs)
32     except Exception, e:
33         print "Exception during index: %s" % e
34         print_exc()
35         raise e
36
37
38 @task(ignore_result=True, rate_limit=settings.CATALOGUE_CUSTOMPDF_RATE_LIMIT)
39 def build_custom_pdf(book_id, customizations, file_name):
40     """Builds a custom PDF file."""
41     from django.core.files import File
42     from django.core.files.storage import DefaultStorage
43     from catalogue.models import Book
44
45     print "will gen %s" % DefaultStorage().path(file_name)
46     if not DefaultStorage().exists(file_name):
47         kwargs = {
48             'cover': True,
49         }
50         if 'no-cover' in customizations:
51             kwargs['cover'] = False
52             customizations.remove('no-cover')
53         pdf = Book.objects.get(pk=book_id).wldocument().as_pdf(
54                 customizations=customizations,
55                 morefloats=settings.LIBRARIAN_PDF_MOREFLOATS,
56                 **kwargs)
57         DefaultStorage().save(file_name, File(open(pdf.get_filename())))