book abstracts - backend

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

diff --git a/src/catalogue/models/book.py b/src/catalogue/models/book.py
index 140ba50..dc6ba50 100644 (file)
--- a/src/catalogue/models/book.py
+++ b/src/catalogue/models/book.py
@@ -14,9 +14,12 @@ import django.dispatch
 from django.contrib.contenttypes.fields import GenericRelation
 from django.core.urlresolvers import reverse
 from django.utils.translation import ugettext_lazy as _, get_language
+from django.utils.deconstruct import deconstructible
 import jsonfield
 from fnpdjango.storage import BofhFileSystemStorage
 from ssify import flush_ssi_includes
+
+from librarian.html import transform_abstrakt
 from newtagging import managers
 from catalogue import constants
 from catalogue.fields import EbookField
@@ -30,18 +33,23 @@ from wolnelektury.utils import makedirs
 bofh_storage = BofhFileSystemStorage()
 
 
-def _make_upload_to(path):
-    def _upload_to(i, n):
-        return path % i.slug
-    return _upload_to
+@deconstructible
+class UploadToPath(object):
+    def __init__(self, path):
+        self.path = path
+
+    def __call__(self, instance, filename):
+        return self.path % instance.slug
 
 
-_cover_upload_to = _make_upload_to('book/cover/%s.jpg')
-_cover_thumb_upload_to = _make_upload_to('book/cover_thumb/%s.jpg')
+_cover_upload_to = UploadToPath('book/cover/%s.jpg')
+_cover_thumb_upload_to = UploadToPath('book/cover_thumb/%s.jpg')
+_cover_api_thumb_upload_to = UploadToPath('book/cover_api_thumb/%s.jpg')
+_simple_cover_upload_to = UploadToPath('book/cover_simple/%s.jpg')
 
 
 def _ebook_upload_to(upload_path):
-    return _make_upload_to(upload_path)
+    return UploadToPath(upload_path)
 
 
 class Book(models.Model):
@@ -54,6 +62,7 @@ class Book(models.Model):
     common_slug = models.SlugField(_('slug'), max_length=120, db_index=True)
     language = models.CharField(_('language code'), max_length=3, db_index=True, default=app_settings.DEFAULT_LANGUAGE)
     description = models.TextField(_('description'), blank=True)
+    abstract = models.TextField(_('abstract'), blank=True)
     created_at = models.DateTimeField(_('creation date'), auto_now_add=True, db_index=True)
     changed_at = models.DateTimeField(_('change date'), auto_now=True, db_index=True)
     parent_number = models.IntegerField(_('parent number'), default=0)
@@ -75,6 +84,16 @@ class Book(models.Model):
         null=True, blank=True,
         upload_to=_cover_thumb_upload_to,
         max_length=255)
+    cover_api_thumb = EbookField(
+        'cover_api_thumb', _('cover thumbnail for mobile app'),
+        null=True, blank=True,
+        upload_to=_cover_api_thumb_upload_to,
+        max_length=255)
+    simple_cover = EbookField(
+        'simple_cover', _('cover for mobile app'),
+        null=True, blank=True,
+        upload_to=_simple_cover_upload_to,
+        max_length=255)
     ebook_formats = constants.EBOOK_FORMATS
     formats = ebook_formats + ['html', 'xml']
 
@@ -195,6 +214,9 @@ class Book(models.Model):
         else:
             return self.media.filter(type=type_).exists()
 
+    def has_audio(self):
+        return self.has_media('mp3')
+
     def get_media(self, type_):
         if self.has_media(type_):
             if type_ in Book.formats:
@@ -326,6 +348,13 @@ class Book(models.Model):
                 ilustr_path = os.path.join(gallery_path, ilustr_src)
                 urllib.urlretrieve('%s/%s' % (remote_gallery_url, ilustr_src), ilustr_path)
 
+    def load_abstract(self):
+        abstract = self.wldocument().edoc.getroot().find('.//abstrakt')
+        if abstract is not None:
+            self.abstract = transform_abstrakt(abstract)
+        else:
+            self.abstract = ''
+
     @classmethod
     def from_xml_file(cls, xml_file, **kwargs):
         from django.core.files import File
@@ -384,10 +413,16 @@ class Book(models.Model):
         else:
             book.common_slug = book.slug
         book.extra_info = book_info.to_dict()
+        book.load_abstract()
         book.save()
 
         meta_tags = Tag.tags_from_info(book_info)
 
+        for tag in meta_tags:
+            if not tag.for_books:
+                tag.for_books = True
+                tag.save()
+
         book.tags = set(meta_tags + book_shelves)
 
         cover_changed = old_cover != book.cover_info()
@@ -421,6 +456,8 @@ class Book(models.Model):
         if 'cover' not in dont_build:
             book.cover.build_delay()
             book.cover_thumb.build_delay()
+            book.cover_api_thumb.build_delay()
+            book.simple_cover.build_delay()
 
         # Build HTML and ebooks.
         book.html_file.build_delay()
@@ -439,6 +476,7 @@ class Book(models.Model):
             child.parent_cover_changed()
 
         book.save()  # update sort_key_author
+        book.update_popularity()
         cls.published.send(sender=cls, instance=book)
         return book
 
@@ -523,6 +561,8 @@ class Book(models.Model):
             if 'cover' not in app_settings.DONT_BUILD:
                 self.cover.build_delay()
                 self.cover_thumb.build_delay()
+                self.cover_api_thumb.build_delay()
+                self.simple_cover.build_delay()
             for format_ in constants.EBOOK_FORMATS_WITH_COVERS:
                 if format_ not in app_settings.DONT_BUILD:
                     getattr(self, '%s_file' % format_).build_delay()
@@ -687,4 +727,4 @@ add_file_fields()
 
 class BookPopularity(models.Model):
     book = models.OneToOneField(Book, related_name='popularity')
-    count = models.IntegerField(default=0)
+    count = models.IntegerField(default=0, db_index=True)