Added copyright and license notice to home made parts.
[wolnelektury.git] / apps / catalogue / models.py
index 18e7e80..ac9a14c 100644 (file)
@@ -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 _
@@ -10,8 +13,10 @@ from django.core.urlresolvers import reverse
 
 from newtagging.models import TagBase
 from newtagging import managers
+from catalogue.fields import JSONField
 
 from librarian import html, dcparser
+from mutagen import id3
 
 
 TAG_CATEGORIES = (
@@ -21,6 +26,7 @@ TAG_CATEGORIES = (
     ('genre', _('genre')),
     ('theme', _('theme')),
     ('set', _('set')),
+    ('book', _('book')),
 )
 
 
@@ -41,9 +47,11 @@ class Tag(TagBase):
         db_index=True, choices=TAG_CATEGORIES)
     description = models.TextField(_('description'), blank=True)
     main_page = models.BooleanField(_('main page'), default=False, db_index=True, help_text=_('Show tag on main page'))
-        
+    
     user = models.ForeignKey(User, blank=True, null=True)
     book_count = models.IntegerField(_('book count'), default=0, blank=False, null=False)
+    gazeta_link = models.CharField(blank=True,  max_length=240)
+    wiki_link = models.CharField(blank=True,  max_length=240)
     
     def has_description(self):
         return len(self.description) > 0
@@ -84,6 +92,10 @@ class Book(models.Model):
     created_at = models.DateTimeField(_('creation date'), auto_now=True)
     _short_html = models.TextField(_('short HTML'), editable=False)
     parent_number = models.IntegerField(_('parent number'), default=0)
+    extra_info = JSONField(_('extra information'))
+    gazeta_link = models.CharField(blank=True,  max_length=240)
+    wiki_link = models.CharField(blank=True,  max_length=240)
+
     
     # Formats
     xml_file = models.FileField(_('XML file'), upload_to=book_upload_path('xml'), blank=True)
@@ -91,6 +103,8 @@ class Book(models.Model):
     pdf_file = models.FileField(_('PDF file'), upload_to=book_upload_path('pdf'), blank=True)
     odt_file = models.FileField(_('ODT file'), upload_to=book_upload_path('odt'), blank=True)
     txt_file = models.FileField(_('TXT file'), upload_to=book_upload_path('txt'), blank=True)
+    mp3_file = models.FileField(_('MP3 file'), upload_to=book_upload_path('mp3'), blank=True)
+    ogg_file = models.FileField(_('OGG file'), upload_to=book_upload_path('ogg'), blank=True)
     
     parent = models.ForeignKey('self', blank=True, null=True, related_name='children')
     
@@ -106,24 +120,53 @@ class Book(models.Model):
         if len(self._short_html):
             return mark_safe(self._short_html)
         else:
-            tags = self.tags.filter(~Q(category__in=('set', 'theme')))
-            tags = [u'<a href="%s">%s</a>' % (tag.get_absolute_url(), tag.name) for tag in tags]
+            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}))
             if self.pdf_file:
-                formats.append(u'<a href="%s">Plik PDF</a>' % self.pdf_file.url)
+                formats.append(u'<a href="%s">PDF</a>' % self.pdf_file.url)
             if self.odt_file:
-                formats.append(u'<a href="%s">Plik ODT</a>' % self.odt_file.url)
+                formats.append(u'<a href="%s">ODT</a>' % self.odt_file.url)
             if self.txt_file:
-                formats.append(u'<a href="%s">Plik TXT</a>' % self.txt_file.url)
+                formats.append(u'<a href="%s">TXT</a>' % self.txt_file.url)
+            if self.mp3_file:
+                formats.append(u'<a href="%s">MP3</a>' % self.mp3_file.url)
+            if self.ogg_file:
+                formats.append(u'<a href="%s">OGG</a>' % self.ogg_file.url)
+            
+            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}))
-            self.save()
+            self.save(reset_short_html=False)
             return mark_safe(self._short_html)
     
+    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)
+            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."""
+        audio = id3.ID3(self.mp3_file.path)
+        artist_name = ', '.join(', '.join(tag.text) for tag in audio.getall('TPE1'))
+        director_name = ', '.join(', '.join(tag.text) for tag in audio.getall('TPE3'))
+        return {'artist_name': artist_name, 'director_name': director_name}
+        
     def has_description(self):
         return len(self.description) > 0
     has_description.short_description = _('description')
@@ -164,9 +207,10 @@ class Book(models.Model):
             if not overwrite:
                 raise Book.AlreadyExists('Book %s already exists' % book_slug)
             # Save shelves for this book
-            book_shelves = book.tags.filter(category='set')
+            book_shelves = list(book.tags.filter(category='set'))
         
         book.title = book_info.title
+        book.set_extra_info_value(book_info.to_dict())
         book._short_html = ''
         book.save()
         
@@ -184,18 +228,39 @@ class Book(models.Model):
                 tag.category = category
                 tag.save()
             book_tags.append(tag)
+            
+        book_tag, created = Tag.objects.get_or_create(slug=('l-' + book.slug)[:120])
+        if created:
+            book_tag.name = book.title[:50]
+            book_tag.sort_key = ('l-' + book.slug)[:120]
+            book_tag.category = 'book'
+            book_tag.save()
+        book_tags.append(book_tag)
+        
         book.tags = book_tags
         
         if hasattr(book_info, 'parts'):
             for n, part_url in enumerate(book_info.parts):
                 base, slug = part_url.rsplit('/', 1)
-                child_book = Book.objects.get(slug=slug)
-                child_book.parent = book
-                child_book.parent_number = n
-                child_book.save()
+                try:
+                    child_book = Book.objects.get(slug=slug)
+                    child_book.parent = book
+                    child_book.parent_number = n
+                    child_book.save()
+                except Book.DoesNotExist, e:
+                    raise Book.DoesNotExist(u'Book with slug = "%s" does not exist.' % slug)
         
+        book_descendants = list(book.children.all())
+        while len(book_descendants) > 0:
+            child_book = book_descendants.pop(0)
+            for fragment in child_book.fragments.all():
+                fragment.tags = set(list(fragment.tags) + [book_tag])
+            book_descendants += list(child_book.children.all())
+            
         # Save XML and HTML files
-        book.xml_file.save('%s.xml' % book.slug, File(file(xml_file)), save=False)
+        if not isinstance(xml_file, File):
+            xml_file = File(file(xml_file))
+        book.xml_file.save('%s.xml' % book.slug, xml_file, save=False)
         
         html_file = NamedTemporaryFile()
         if html.transform(book.xml_file.path, html_file):
@@ -226,11 +291,11 @@ class Book(models.Model):
                         tag.save()
                     themes.append(tag)
                 new_fragment.save()
-                new_fragment.tags = list(book.tags) + themes
+                new_fragment.tags = set(list(book.tags) + themes + [book_tag])
                 book_themes += themes
             
             book_themes = set(book_themes)
-            book.tags = list(book.tags) + list(book_themes) + list(book_shelves)
+            book.tags = list(book.tags) + list(book_themes) + book_shelves
         
         book.save()
         return book
@@ -263,7 +328,7 @@ class Fragment(models.Model):
         if len(self._short_html):
             return mark_safe(self._short_html)
         else:
-            book_authors = [u'<a href="%s">%s</a>' % (tag.get_absolute_url(), tag.name
+            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',