X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/c15b511c1e9ebb06050f40e98ec554ba6c26cb1b..05b7014d1d710937c6a4b5cdccdb4890f377818d:/src/catalogue/models/book.py

diff --git a/src/catalogue/models/book.py b/src/catalogue/models/book.py
index 61d20fdc6..d47cb1520 100644
--- a/src/catalogue/models/book.py
+++ b/src/catalogue/models/book.py
@@ -1,4 +1,3 @@
-# -*- 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.
 #
@@ -7,18 +6,16 @@ from datetime import date, timedelta
 from random import randint
 import os.path
 import re
-import urllib
+from urllib.request import urlretrieve
 from django.conf import settings
 from django.db import connection, models, transaction
-from django.db.models import permalink
 import django.dispatch
 from django.contrib.contenttypes.fields import GenericRelation
-from django.core.urlresolvers import reverse
+from django.urls 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.cover import WLCover
 from librarian.html import transform_abstrakt
@@ -30,7 +27,7 @@ from catalogue.utils import create_zip, gallery_url, gallery_path, split_tags, g
 from catalogue.models.tag import prefetched_relations
 from catalogue import app_settings
 from catalogue import tasks
-from wolnelektury.utils import makedirs
+from wolnelektury.utils import makedirs, cached_render, clear_cached_renders
 
 bofh_storage = BofhFileSystemStorage()
 
@@ -103,7 +100,7 @@ class Book(models.Model):
     ebook_formats = constants.EBOOK_FORMATS
     formats = ebook_formats + ['html', 'xml']
 
-    parent = models.ForeignKey('self', blank=True, null=True, related_name='children')
+    parent = models.ForeignKey('self', models.CASCADE, 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)
@@ -207,9 +204,8 @@ class Book(models.Model):
 
         return ret
 
-    @permalink
     def get_absolute_url(self):
-        return 'book_detail', [self.slug]
+        return reverse('book_detail', args=[self.slug])
 
     def gallery_path(self):
         return gallery_path(self.slug)
@@ -423,7 +419,7 @@ class Book(models.Model):
             for ilustr in ilustr_elements:
                 ilustr_src = ilustr.get('src')
                 ilustr_path = os.path.join(gallery_path, ilustr_src)
-                urllib.urlretrieve('%s/%s' % (remote_gallery_url, ilustr_src), ilustr_path)
+                urlretrieve('%s/%s' % (remote_gallery_url, ilustr_src), ilustr_path)
 
     def load_abstract(self):
         abstract = self.wldocument(parse_dublincore=False).edoc.getroot().find('.//abstrakt')
@@ -595,23 +591,9 @@ class Book(models.Model):
                     b.ancestor.add(parent)
                     parent = parent.parent
 
-    def flush_includes(self, languages=True):
-        if not languages:
-            return
-        if languages is True:
-            languages = [lc for (lc, _ln) in settings.LANGUAGES]
-        flush_ssi_includes([
-            template % (self.pk, lang)
-            for template in [
-                '/katalog/b/%d/mini.%s.html',
-                '/katalog/b/%d/mini_nolink.%s.html',
-                '/katalog/b/%d/short.%s.html',
-                '/katalog/b/%d/wide.%s.html',
-                '/api/include/book/%d.%s.json',
-                '/api/include/book/%d.%s.xml',
-                ]
-            for lang in languages
-            ])
+    def clear_cache(self):
+        clear_cached_renders(self.mini_box)
+        clear_cached_renders(self.mini_box_nolink)
 
     def cover_info(self, inherit=True):
         """Returns a dictionary to serve as fallback for BookInfo.
@@ -806,6 +788,18 @@ class Book(models.Model):
     def cover_color(self):
         return WLCover.epoch_colors.get(self.extra_info.get('epoch'), '#000000')
 
+    @cached_render('catalogue/book_mini_box.html')
+    def mini_box(self):
+        return {
+            'book': self
+        }
+
+    @cached_render('catalogue/book_mini_box.html')
+    def mini_box_nolink(self):
+        return {
+            'book': self,
+            'no_link': True,
+        }
 
 def add_file_fields():
     for format_ in Book.formats:
@@ -829,5 +823,5 @@ add_file_fields()
 
 
 class BookPopularity(models.Model):
-    book = models.OneToOneField(Book, related_name='popularity')
+    book = models.OneToOneField(Book, models.CASCADE, related_name='popularity')
     count = models.IntegerField(default=0, db_index=True)