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

diff --git a/src/catalogue/models/fragment.py b/src/catalogue/models/fragment.py
index dc159a5..ac0c539 100644 (file)
--- a/src/catalogue/models/fragment.py
+++ b/src/catalogue/models/fragment.py
@@ -1,15 +1,14 @@
-# -*- 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.
 #
 from django.conf import settings
 from django.contrib.contenttypes.fields import GenericRelation
-from django.core.urlresolvers import reverse
+from django.urls import reverse
 from django.db import models
 from django.utils.translation import ugettext_lazy as _
 from newtagging import managers
 from catalogue.models import Tag
-from ssify import flush_ssi_includes
+from wolnelektury.utils import cached_render, clear_cached_renders
 
 
 class Fragment(models.Model):
@@ -17,15 +16,13 @@ class Fragment(models.Model):
     text = models.TextField()
     short_text = models.TextField(editable=False)
     anchor = models.CharField(max_length=120)
-    book = models.ForeignKey('Book', related_name='fragments')
+    book = models.ForeignKey('Book', models.CASCADE, related_name='fragments')
 
     objects = models.Manager()
     tagged = managers.ModelTaggedItemManager(Tag)
     tags = managers.TagDescriptor(Tag)
     tag_relations = GenericRelation(Tag.intermediary_table_model)
 
-    short_html_url_name = 'catalogue_fragment_short'
-
     class Meta:
         ordering = ('book', 'anchor',)
         verbose_name = _('fragment')
@@ -42,21 +39,18 @@ class Fragment(models.Model):
         """Returns short version of the fragment."""
         return self.short_text if self.short_text else self.text
 
+    @cached_render('catalogue/fragment_short.html')
+    def midi_box(self):
+        return {'fragment': self}
+
+    @cached_render('catalogue/fragment_promo.html')
+    def promo_box(self):
+        return {'fragment': self}
+
     @property
     def themes(self):
         return self.tags.filter(category='theme')
 
-    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/f/%d/short.%s.html',
-                '/api/include/fragment/%d.%s.json',
-                '/api/include/fragment/%d.%s.xml',
-                ]
-            for lang in languages
-            ])
+    def clear_cache(self):
+        clear_cached_renders(self.midi_box)
+        clear_cached_renders(self.promo_box)