Attempt at Django 1.7

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

diff --git a/apps/catalogue/models/book.py b/apps/catalogue/models/book.py
index b9441c3..bab6f58 100644 (file)
--- a/apps/catalogue/models/book.py
+++ b/apps/catalogue/models/book.py
@@ -8,21 +8,34 @@ from django.core.cache import get_cache
 from django.db import models
 from django.db.models import permalink
 import django.dispatch
+from django.core.urlresolvers import reverse
 from django.utils.datastructures import SortedDict
 from django.utils.translation import ugettext_lazy as _
 import jsonfield
+from fnpdjango.storage import BofhFileSystemStorage
 from catalogue import constants
 from catalogue.fields import EbookField
 from catalogue.models import Tag, Fragment, BookMedia
-from catalogue.utils import create_zip, split_tags, book_upload_path, related_tag_name
+from catalogue.utils import create_zip, split_tags, related_tag_name
 from catalogue import app_settings
 from catalogue import tasks
 from newtagging import managers
 
+bofh_storage = BofhFileSystemStorage()
 
 permanent_cache = get_cache('permanent')
 
 
+def _cover_upload_to(i, n):
+    return 'book/cover/%s.jpg' % i.slug
+def _cover_thumb_upload_to(i, n):
+    return 'book/cover_thumb/%s.jpg' % i.slug,
+def _ebook_upload_to(upload_path):
+    def _upload_to(i, n):
+        return upload_path % i.slug
+    return _upload_to
+
+
 class Book(models.Model):
     """Represents a book imported from WL-XML."""
     title         = models.CharField(_('title'), max_length=120)
@@ -43,10 +56,14 @@ class Book(models.Model):
     # files generated during publication
 
     cover = EbookField('cover', _('cover'),
-                upload_to=book_upload_path('jpg'), null=True, blank=True)
+            null=True, blank=True,
+            upload_to=_cover_upload_to,
+            storage=bofh_storage, max_length=255)
     # Cleaner version of cover for thumbs
-    cover_thumb = EbookField('cover_thumb', _('cover thumbnail'),
-                upload_to=book_upload_path('th.jpg'), null=True, blank=True)
+    cover_thumb = EbookField('cover_thumb', _('cover thumbnail'), 
+            null=True, blank=True,
+            upload_to=_cover_thumb_upload_to,
+            max_length=255)
     ebook_formats = constants.EBOOK_FORMATS
     formats = ebook_formats + ['html', 'xml']
 
@@ -128,7 +145,7 @@ class Book(models.Model):
         if self.has_media(type_):
             if type_ in Book.formats:
                 return getattr(self, "%s_file" % type_)
-            else:                                             
+            else:
                 return self.media.filter(type=type_)
         else:
             return None
@@ -140,7 +157,7 @@ class Book(models.Model):
     def get_ogg(self):
         return self.get_media("ogg")
     def get_daisy(self):
-        return self.get_media("daisy")                       
+        return self.get_media("daisy")
 
     def reset_short_html(self):
         if self.id is None:
@@ -151,7 +168,7 @@ class Book(models.Model):
         for fragm in self.fragments.all().iterator():
             fragm.reset_short_html()
 
-        try: 
+        try:
             author = self.tags.filter(category='author')[0].sort_key
         except IndexError:
             author = u''
@@ -315,18 +332,16 @@ class Book(models.Model):
             if old_cover:
                 notify_cover_changed.append(child)
 
-        # delete old fragments when overwriting
-        book.fragments.all().delete()
-        # Build HTML, fix the tree tags, build cover.
-        has_own_text = bool(book.html_file.build())
-        tasks.fix_tree_tags.delay(book)
+        # No saves beyond this point.
+
+        # Build cover.
         if 'cover' not in dont_build:
             book.cover.build_delay()
             book.cover_thumb.build_delay()
-        
-        # No saves behind this point.
 
-        if has_own_text:
+        # Build HTML and ebooks.
+        book.html_file.build_delay()
+        if not children:
             for format_ in constants.EBOOK_FORMATS_WITHOUT_CHILDREN:
                 if format_ not in dont_build:
                     getattr(book, '%s_file' % format_).build_delay()
@@ -566,7 +581,7 @@ class Book(models.Model):
                 'title', 'parent', 'slug')
         if filter:
             books = books.filter(filter).distinct()
-            
+
             book_ids = set(b['pk'] for b in books.values("pk").iterator())
             for book in books.iterator():
                 parent = book.parent_id
@@ -582,7 +597,7 @@ class Book(models.Model):
         for tag in Tag.objects.filter(category='author').iterator():
             books_by_author[tag] = []
 
-        for book in books_by_parent.get(None,()):
+        for book in books_by_parent.get(None, ()):
             authors = list(book.tags.filter(category='author'))
             if authors:
                 for author in authors:
@@ -606,6 +621,14 @@ class Book(models.Model):
         audiences = sorted(set([self._audiences_pl.get(a, (99, a)) for a in audiences]))
         return [a[1] for a in audiences]
 
+    def stage_note(self):
+        stage = self.extra_info.get('stage')
+        if stage and stage < '0.4':
+            return (_('This work needs modernisation'),
+                    reverse('infopage', args=['wymagajace-uwspolczesnienia']))
+        else:
+            return None, None
+
     def choose_fragment(self):
         tag = self.book_tag()
         fragments = Fragment.tagged.with_any([tag])
@@ -620,6 +643,11 @@ class Book(models.Model):
 # add the file fields
 for format_ in Book.formats:
     field_name = "%s_file" % format_
+    upload_to = _ebook_upload_to('book/%s/%%s.%s' % (format_, format_))
     EbookField(format_, _("%s file" % format_.upper()),
-            upload_to=book_upload_path(format_),
-            blank=True, default='').contribute_to_class(Book, field_name)
+        upload_to=upload_to,
+        storage=bofh_storage,
+        max_length=255,
+        blank=True,
+        default=''
+    ).contribute_to_class(Book, field_name)