1 # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
2 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
4 from django.apps import apps
5 from django.conf import settings
6 from django.db import models
7 from django.urls import reverse
8 from datetime import datetime
9 from django.db.models.signals import post_save, post_delete
10 from search.utils import UnaccentSearchVector
13 class Author(models.Model):
14 name = models.CharField('imię i nazwisko', max_length=50, db_index=True)
15 slug = models.SlugField('slug', max_length=120, db_index=True, unique=True)
16 sort_key = models.CharField('klucz sortowania', max_length=120, db_index=True)
17 description = models.TextField('opis', blank=True)
18 death = models.IntegerField('rok śmierci', blank=True, null=True)
19 gazeta_link = models.CharField(blank=True, max_length=240)
20 wiki_link = models.CharField(blank=True, max_length=240)
23 ordering = ('sort_key',)
24 verbose_name = 'autor'
25 verbose_name_plural = 'autorzy'
35 return "Author(slug=%r)" % self.slug
37 def get_absolute_url(self):
38 return reverse('tagged_object_list', args=[self.url_chunk])
40 def has_description(self):
41 return len(self.description) > 0
42 has_description.short_description = 'opis'
43 has_description.boolean = True
46 def search(cls, query, qs=None):
47 Tag = apps.get_model('catalogue', 'Tag')
49 qs = cls.objects.all()
50 pd_authors = qs.annotate(search_vector=UnaccentSearchVector('name')).filter(search_vector=query)
51 existing_slugs = Tag.objects.filter(
52 category='author', slug__in=list(pd_authors.values_list('slug', flat=True))) \
53 .values_list('slug', flat=True)
54 pd_authors = pd_authors.exclude(slug__in=existing_slugs)
58 return self.death is None
61 """ tests whether an author is in public domain """
62 return self.death is not None and self.goes_to_pd() <= datetime.now().year
65 """ calculates the year of public domain entry for an author """
66 return self.death + 71 if self.death is not None else None
70 return '/'.join(('autor', self.slug))
73 class BookStub(models.Model):
74 title = models.CharField('tytuł', max_length=120)
75 author = models.CharField('autor', max_length=120)
76 pd = models.IntegerField('trafia do domeny publicznej', null=True, blank=True)
77 slug = models.SlugField('slug', max_length=120, unique=True, db_index=True)
78 translator = models.TextField('tłumacz', blank=True)
82 verbose_name = 'zapowiedź książki'
83 verbose_name_plural = 'zapowiedzi książek'
89 def search(cls, query, qs=None):
90 Book = apps.get_model('catalogue', 'Book')
92 qs = cls.objects.all()
93 pd_books = qs.annotate(search_vector=UnaccentSearchVector('title')).filter(search_vector=query)
94 existing_slugs = Book.objects.filter(
95 slug__in=list(pd_books.values_list('slug', flat=True))) \
96 .values_list('slug', flat=True)
97 pd_books = pd_books.exclude(slug__in=existing_slugs)
100 def get_absolute_url(self):
101 return reverse('book_detail', args=[self.slug])
104 return self.pd is not None and self.pd <= datetime.now().year
110 def pretty_title(self, html_links=False):
111 return ', '.join((self.author, self.title))