simple covers for app

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

diff --git a/src/catalogue/models/book.py b/src/catalogue/models/book.py
index 02278de..0f664c4 100644 (file)
--- a/src/catalogue/models/book.py
+++ b/src/catalogue/models/book.py
@@ -14,6 +14,7 @@ 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
@@ -30,18 +31,23 @@ 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):
@@ -75,12 +81,25 @@ 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']
 
     parent = models.ForeignKey('self', blank=True, null=True, related_name='children')
     ancestor = models.ManyToManyField('self', blank=True, editable=False, related_name='descendant', symmetrical=False)
 
+    cached_author = models.CharField(blank=True, max_length=240, db_index=True)
+    has_audience = models.BooleanField(default=False)
+
     objects = models.Manager()
     tagged = managers.ModelTaggedItemManager(Tag)
     tags = managers.TagDescriptor(Tag)
@@ -123,7 +142,7 @@ class Book(models.Model):
         return split_tags(self.tags.exclude(category__in=('set', 'theme')))
 
     def author_unicode(self):
-        return self.tag_unicode('author')
+        return self.cached_author
 
     def translator(self):
         translators = self.extra_info.get('translators')
@@ -136,6 +155,9 @@ class Book(models.Model):
             others = ''
         return ', '.join(u'\xa0'.join(reversed(translator.split(', ', 1))) for translator in translators) + others
 
+    def cover_source(self):
+        return self.extra_info.get('cover_source', self.parent.cover_source() if self.parent else '')
+
     def save(self, force_insert=False, force_update=False, **kwargs):
         from sortify import sortify
 
@@ -148,6 +170,9 @@ class Book(models.Model):
             author = u''
         self.sort_key_author = author
 
+        self.cached_author = self.tag_unicode('author')
+        self.has_audience = 'audience' in self.extra_info
+
         ret = super(Book, self).save(force_insert, force_update, **kwargs)
 
         return ret
@@ -186,6 +211,9 @@ 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:
@@ -379,6 +407,11 @@ class Book(models.Model):
 
         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()
@@ -412,6 +445,8 @@ 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()
@@ -514,6 +549,8 @@ 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()
@@ -636,6 +673,13 @@ class Book(models.Model):
         else:
             return None
 
+    def fragment_data(self):
+        fragment = self.choose_fragment()
+        if fragment:
+            return {'title': fragment.book.pretty_title(), 'html': fragment.get_short_text()}
+        else:
+            return None
+
     def update_popularity(self):
         count = self.tags.filter(category='set').values('user').order_by('user').distinct().count()
         try: