disable search
[wolnelektury.git] / src / catalogue / models / book.py
index 00921b8..e5ab5e4 100644 (file)
@@ -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
@@ -21,7 +22,7 @@ from newtagging import managers
 from catalogue import constants
 from catalogue.fields import EbookField
 from catalogue.models import Tag, Fragment, BookMedia
-from catalogue.utils import create_zip, gallery_url, gallery_path
+from catalogue.utils import create_zip, gallery_url, gallery_path, split_tags
 from catalogue.models.tag import prefetched_relations
 from catalogue import app_settings
 from catalogue import tasks
@@ -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):
@@ -55,7 +61,7 @@ class Book(models.Model):
     language = models.CharField(_('language code'), max_length=3, db_index=True, default=app_settings.DEFAULT_LANGUAGE)
     description = models.TextField(_('description'), blank=True)
     created_at = models.DateTimeField(_('creation date'), auto_now_add=True, db_index=True)
-    changed_at = models.DateTimeField(_('creation date'), auto_now=True, db_index=True)
+    changed_at = models.DateTimeField(_('change date'), auto_now=True, db_index=True)
     parent_number = models.IntegerField(_('parent number'), default=0)
     extra_info = jsonfield.JSONField(_('extra information'), default={})
     gazeta_link = models.CharField(blank=True, max_length=240)
@@ -75,6 +81,16 @@ 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']
 
@@ -122,6 +138,9 @@ class Book(models.Model):
         else:
             return ', '.join(self.tags.filter(category=category).values_list('name', flat=True))
 
+    def tags_by_category(self):
+        return split_tags(self.tags.exclude(category__in=('set', 'theme')))
+
     def author_unicode(self):
         return self.cached_author
 
@@ -192,6 +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:
@@ -234,6 +256,33 @@ class Book(models.Model):
     has_daisy_file.short_description = 'DAISY'
     has_daisy_file.boolean = True
 
+    def get_audiobooks(self):
+        ogg_files = {}
+        for m in self.media.filter(type='ogg').order_by().iterator():
+            ogg_files[m.name] = m
+
+        audiobooks = []
+        projects = set()
+        for mp3 in self.media.filter(type='mp3').iterator():
+            # ogg files are always from the same project
+            meta = mp3.extra_info
+            project = meta.get('project')
+            if not project:
+                # temporary fallback
+                project = u'CzytamySłuchając'
+
+            projects.add((project, meta.get('funded_by', '')))
+
+            media = {'mp3': mp3}
+
+            ogg = ogg_files.get(mp3.name)
+            if ogg:
+                media['ogg'] = ogg
+            audiobooks.append(media)
+
+        projects = sorted(projects)
+        return audiobooks, projects
+
     def wldocument(self, parse_dublincore=True, inherit=True):
         from catalogue.import_utils import ORMDocProvider
         from librarian.parser import WLDocument
@@ -358,6 +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()
@@ -391,6 +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()
@@ -409,6 +465,7 @@ 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
 
@@ -493,6 +550,8 @@ 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()
@@ -657,4 +716,4 @@ 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)