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[wolnelektury.git] / apps / catalogue / models.py

diff --git a/apps/catalogue/models.py b/apps/catalogue/models.py
index 2c1f66a..59011fd 100644 (file)
--- a/apps/catalogue/models.py
+++ b/apps/catalogue/models.py
@@ -1,4 +1,7 @@
 # -*- coding: utf-8 -*-
+# This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
+# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
+#
 from django.db import models
 from django.db.models import permalink, Q
 from django.utils.translation import ugettext_lazy as _
@@ -7,6 +10,7 @@ from django.core.files import File
 from django.template.loader import render_to_string
 from django.utils.safestring import mark_safe
 from django.core.urlresolvers import reverse
+from datetime import datetime
 
 from newtagging.models import TagBase
 from newtagging import managers
@@ -47,6 +51,7 @@ class Tag(TagBase):
     
     user = models.ForeignKey(User, blank=True, null=True)
     book_count = models.IntegerField(_('book count'), default=0, blank=False, null=False)
+    death = models.IntegerField(_(u'year of death'), blank=True, null=True)
     gazeta_link = models.CharField(blank=True,  max_length=240)
     wiki_link = models.CharField(blank=True,  max_length=240)
     
@@ -55,6 +60,17 @@ class Tag(TagBase):
     has_description.short_description = _('description')
     has_description.boolean = True
 
+    def alive(self):
+        return self.death is None
+    
+    def in_pd(self):
+        """ tests whether an author is in public domain """
+        return self.death is not None and self.goes_to_pd() <= datetime.now().year
+    
+    def goes_to_pd(self):
+        """ calculates the year of public domain entry for an author """
+        return self.death + 71 if self.death is not None else None
+
     @permalink
     def get_absolute_url(self):
         return ('catalogue.views.tagged_object_list', [self.slug])
@@ -108,7 +124,6 @@ class Book(models.Model):
     objects = models.Manager()
     tagged = managers.ModelTaggedItemManager(Tag)
     tags = managers.TagDescriptor(Tag)
-
     
     @property
     def name(self):
@@ -123,7 +138,7 @@ class Book(models.Model):
 
             formats = []
             if self.html_file:
-                formats.append(u'<a href="%s">Czytaj online</a>' % reverse('book_text', kwargs={'slug': self.slug}))
+                formats.append(u'<a href="%s">%s</a>' % (reverse('book_text', kwargs={'slug': self.slug}), _('Read online')))
             if self.pdf_file:
                 formats.append(u'<a href="%s">PDF</a>' % self.pdf_file.url)
             if self.odt_file:
@@ -139,15 +154,24 @@ class Book(models.Model):
             
             self._short_html = unicode(render_to_string('catalogue/book_short.html',
                 {'book': self, 'tags': tags, 'formats': formats}))
-            self.save()
+            self.save(reset_short_html=False)
             return mark_safe(self._short_html)
     
-    def save(self, force_insert=False, force_update=False):
+    def save(self, force_insert=False, force_update=False, reset_short_html=True):
+        if reset_short_html:
+            # Reset _short_html during save
+            self._short_html = ''
+        
+        book = super(Book, self).save(force_insert, force_update)
+        
         if self.mp3_file:
+            print self.mp3_file, self.mp3_file.path
             extra_info = self.get_extra_info_value()
             extra_info.update(self.get_mp3_info())
             self.set_extra_info_value(extra_info)
-        return super(Book, self).save(force_insert, force_update)
+            book = super(Book, self).save(force_insert, force_update)
+        
+        return book
     
     def get_mp3_info(self):
         """Retrieves artist and director names from audio ID3 tags."""
@@ -194,7 +218,7 @@ class Book(models.Model):
             book_shelves = []
         else:
             if not overwrite:
-                raise Book.AlreadyExists('Book %s already exists' % book_slug)
+                raise Book.AlreadyExists(_('Book %s already exists') % book_slug)
             # Save shelves for this book
             book_shelves = list(book.tags.filter(category='set'))
         
@@ -237,7 +261,7 @@ class Book(models.Model):
                     child_book.parent_number = n
                     child_book.save()
                 except Book.DoesNotExist, e:
-                    raise Book.DoesNotExist(u'Book with slug = "%s" does not exist.' % slug)
+                    raise Book.DoesNotExist(_('Book with slug = "%s" does not exist.') % slug)
         
         book_descendants = list(book.children.all())
         while len(book_descendants) > 0:
@@ -333,3 +357,30 @@ class Fragment(models.Model):
         verbose_name = _('fragment')
         verbose_name_plural = _('fragments')
 
+
+class BookStub(models.Model):
+    title = models.CharField(_('title'), max_length=120)
+    author = models.CharField(_('author'), max_length=120)
+    pd = models.IntegerField(_('goes to public domain'), null=True, blank=True)
+    slug = models.SlugField(_('slug'), max_length=120, unique=True, db_index=True)
+    translator = models.TextField(_('translator'), blank=True)
+    translator_death = models.TextField(_('year of translator\'s death'), blank=True)
+
+    def in_pd(self):
+        return self.pd is not None and self.pd <= datetime.now().year
+
+    @property
+    def name(self):
+        return self.title
+    
+    @permalink
+    def get_absolute_url(self):
+        return ('catalogue.views.book_detail', [self.slug])
+
+    def __unicode__(self):
+        return self.title
+    
+    class Meta:
+        ordering = ('title',)
+        verbose_name = _('book stub')
+        verbose_name_plural = _('book stubs')
\ No newline at end of file