Patched django-modeltranslation to work correctly with south. Removed a weird migrati...

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

diff --git a/apps/catalogue/models.py b/apps/catalogue/models.py
index ac9a14c..2097e17 100644 (file)
--- a/apps/catalogue/models.py
+++ b/apps/catalogue/models.py
@@ -9,7 +9,9 @@ from django.contrib.auth.models import User
 from django.core.files import File
 from django.template.loader import render_to_string
 from django.utils.safestring import mark_safe
 from django.core.files import File
 from django.template.loader import render_to_string
 from django.utils.safestring import mark_safe

+from django.utils.translation import get_language

 from django.core.urlresolvers import reverse
 from django.core.urlresolvers import reverse

+from datetime import datetime

 
 from newtagging.models import TagBase
 from newtagging import managers
 
 from newtagging.models import TagBase
 from newtagging import managers


@@ -50,6 +52,7 @@ class Tag(TagBase):
     
     user = models.ForeignKey(User, blank=True, null=True)
     book_count = models.IntegerField(_('book count'), default=0, blank=False, null=False)
     
     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)
     
     gazeta_link = models.CharField(blank=True,  max_length=240)
     wiki_link = models.CharField(blank=True,  max_length=240)
     


@@ -58,6 +61,17 @@ class Tag(TagBase):
     has_description.short_description = _('description')
     has_description.boolean = True
 
     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])
     @permalink
     def get_absolute_url(self):
         return ('catalogue.views.tagged_object_list', [self.slug])


@@ -117,15 +131,18 @@ class Book(models.Model):
         return self.title
     
     def short_html(self):
         return self.title
     
     def short_html(self):

-        if len(self._short_html):
-            return mark_safe(self._short_html)
+        key = '_short_html_%s' % get_language()
+        short_html = getattr(self, key)
+        
+        if len(short_html):
+            return mark_safe(short_html)

         else:
             tags = self.tags.filter(~Q(category__in=('set', 'theme', 'book')))
             tags = [mark_safe(u'<a href="%s">%s</a>' % (tag.get_absolute_url(), tag.name)) for tag in tags]
 
             formats = []
             if self.html_file:
         else:
             tags = self.tags.filter(~Q(category__in=('set', 'theme', 'book')))
             tags = [mark_safe(u'<a href="%s">%s</a>' % (tag.get_absolute_url(), tag.name)) for tag in tags]
 
             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:
             if self.pdf_file:
                 formats.append(u'<a href="%s">PDF</a>' % self.pdf_file.url)
             if self.odt_file:


@@ -139,15 +156,16 @@ class Book(models.Model):
             
             formats = [mark_safe(format) for format in formats]
             
             
             formats = [mark_safe(format) for format in formats]
             

-            self._short_html = unicode(render_to_string('catalogue/book_short.html',
-                {'book': self, 'tags': tags, 'formats': formats}))
+            setattr(self, key, unicode(render_to_string('catalogue/book_short.html',
+                {'book': self, 'tags': tags, 'formats': formats})))

             self.save(reset_short_html=False)
             self.save(reset_short_html=False)

-            return mark_safe(self._short_html)
+            return mark_safe(getattr(self, key))

     
     def save(self, force_insert=False, force_update=False, reset_short_html=True):
         if reset_short_html:
             # Reset _short_html during save
     
     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 = ''
+            for key in filter(lambda x: x.startswith('_short_html'), self.__dict__):
+                self.__setattr__(key, '')

         
         book = super(Book, self).save(force_insert, force_update)
         
         
         book = super(Book, self).save(force_insert, force_update)
         


@@ -205,7 +223,7 @@ class Book(models.Model):
             book_shelves = []
         else:
             if not overwrite:
             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'))
         
             # Save shelves for this book
             book_shelves = list(book.tags.filter(category='set'))
         


@@ -248,7 +266,7 @@ class Book(models.Model):
                     child_book.parent_number = n
                     child_book.save()
                 except Book.DoesNotExist, e:
                     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:
         
         book_descendants = list(book.children.all())
         while len(book_descendants) > 0:


@@ -325,16 +343,18 @@ class Fragment(models.Model):
     tags = managers.TagDescriptor(Tag)
     
     def short_html(self):
     tags = managers.TagDescriptor(Tag)
     
     def short_html(self):

-        if len(self._short_html):
-            return mark_safe(self._short_html)
+        key = '_short_html_%s' % get_language()
+        short_html = getattr(self, key)         
+        if len(short_html):
+            return mark_safe(short_html)

         else:
             book_authors = [mark_safe(u'<a href="%s">%s</a>' % (tag.get_absolute_url(), tag.name)) 
                 for tag in self.book.tags if tag.category == 'author']
             
         else:
             book_authors = [mark_safe(u'<a href="%s">%s</a>' % (tag.get_absolute_url(), tag.name)) 
                 for tag in self.book.tags if tag.category == 'author']
             

-            self._short_html = unicode(render_to_string('catalogue/fragment_short.html',
-                {'fragment': self, 'book': self.book, 'book_authors': book_authors}))
+            setattr(self, key, unicode(render_to_string('catalogue/fragment_short.html',
+                {'fragment': self, 'book': self.book, 'book_authors': book_authors})))

             self.save()
             self.save()

-            return mark_safe(self._short_html)
+            return mark_safe(getattr(self, key))

     
     def get_absolute_url(self):
         return '%s#m%s' % (reverse('book_text', kwargs={'slug': self.book.slug}), self.anchor)
     
     def get_absolute_url(self):
         return '%s#m%s' % (reverse('book_text', kwargs={'slug': self.book.slug}), self.anchor)


@@ -344,3 +364,30 @@ class Fragment(models.Model):
         verbose_name = _('fragment')
         verbose_name_plural = _('fragments')
 
         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