Fixes #4001: TOC contains parent books, and add links to previous and next book.

[wolnelektury.git] / src / social / models.py

diff --git a/src/social/models.py b/src/social/models.py
index 6f1f697..37cfecd 100644 (file)
--- a/src/social/models.py
+++ b/src/social/models.py
@@ -5,10 +5,10 @@ from random import randint
 from django.db import models
 from django.conf import settings
 from django.core.exceptions import ValidationError
-from django.core.urlresolvers import reverse
-from django.utils.translation import ugettext_lazy as _, string_concat
-from ssify import flush_ssi_includes
+from django.urls import reverse
+from django.utils.translation import ugettext_lazy as _
 from catalogue.models import Book
+from wolnelektury.utils import cached_render, clear_cached_renders
 
 
 class BannerGroup(models.Model):
@@ -36,7 +36,7 @@ class BannerGroup(models.Model):
 
 
 class Cite(models.Model):
-    book = models.ForeignKey(Book, verbose_name=_('book'), null=True, blank=True)
+    book = models.ForeignKey(Book, models.CASCADE, verbose_name=_('book'), null=True, blank=True)
     text = models.TextField(_('text'), blank=True)
     small = models.BooleanField(_('small'), default=False, help_text=_('Make this cite display smaller.'))
     vip = models.CharField(_('VIP'), max_length=128, null=True, blank=True)
@@ -53,21 +53,16 @@ class Cite(models.Model):
 
     sticky = models.BooleanField(_('sticky'), default=False, db_index=True,
                                  help_text=_('Sticky cites will take precedense.'))
-    banner = models.BooleanField(_('banner'), default=False, help_text=string_concat(_('Adjust size to image, ignore the text'), '<br>(Przestarzałe; użyj funkcji "Obraz" w sekcji "Media box")'))
-
     background_plain = models.BooleanField(_('plain background'), default=False)
     background_color = models.CharField(_('background color'), max_length=32, blank=True)
     image = models.ImageField(
-        _('image'), upload_to='social/cite', null=True, blank=True,
-        help_text=_('Best image is exactly 975px wide and weights under 100kB.'))
-    image_shift = models.IntegerField(
-        _('shift'), null=True, blank=True,
-        help_text=string_concat(_('Vertical shift, in percents. 0 means top, 100 is bottom. Default is 50%.'), '<br>(Przestarzałe; użyj obrazka o właściwych proporcjach;)'))
-    image_title = models.CharField(_('title'), max_length=255, null=True, blank=True)
-    image_author = models.CharField(_('author'), max_length=255, blank=True, null=True)
-    image_link = models.URLField(_('link'), blank=True, null=True)
-    image_license = models.CharField(_('license name'), max_length=255, blank=True, null=True)
-    image_license_link = models.URLField(_('license link'), blank=True, null=True)
+        _('background image'), upload_to='social/cite', null=True, blank=True,
+        help_text=_('Best background is 975 x 315 px and under 100kB.'))
+    image_title = models.CharField(_('background title'), max_length=255, null=True, blank=True)
+    image_author = models.CharField(_('background author'), max_length=255, blank=True, null=True)
+    image_link = models.URLField(_('background link'), blank=True, null=True)
+    image_license = models.CharField(_('background license name'), max_length=255, blank=True, null=True)
+    image_license_link = models.URLField(_('background license link'), blank=True, null=True)
 
     created_at = models.DateTimeField(_('created at'), auto_now_add=True)
     group = models.ForeignKey(BannerGroup, verbose_name=_('group'), null=True, blank=True, on_delete=models.SET_NULL)
@@ -103,9 +98,6 @@ class Cite(models.Model):
         return self.vip or self.text or self.book
 
     def layout(self):
-        if self.banner:
-            # TODO: move all banners to pictures.
-            return 'banner'
         pieces = []
         if self.has_box():
             pieces.append('box')
@@ -116,18 +108,18 @@ class Cite(models.Model):
 
     def save(self, *args, **kwargs):
         ret = super(Cite, self).save(*args, **kwargs)
-        self.flush_includes()
+        self.clear_cache()
         return ret
 
-    def flush_includes(self):
-        flush_ssi_includes([
-            template % (self.pk, lang)
-            for template in [
-                '/ludzie/cite/%s.%s.html',
-                '/ludzie/cite_main/%s.%s.html',
-            ]
-            for lang in [lc for (lc, _ln) in settings.LANGUAGES]] +
-            ['/ludzie/cite_info/%s.html' % self.pk])
+    @cached_render('social/cite_promo.html')
+    def main_box(self):
+        return {
+            'cite': self,
+            'main': True,
+        }
+
+    def clear_cache(self):
+        clear_cached_renders(self.main_box)
 
 
 class Carousel(models.Model):