X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/ab8ffbde2df33d9c699e029ba613d2b014ba44b8..82c3054bcdeb000aa9782da80d644070797b5cbe:/apps/picture/templatetags/picture_tags.py

diff --git a/apps/picture/templatetags/picture_tags.py b/apps/picture/templatetags/picture_tags.py
index 826f6aaf5..02d80b005 100644
--- a/apps/picture/templatetags/picture_tags.py
+++ b/apps/picture/templatetags/picture_tags.py
@@ -1,32 +1,28 @@
+# -*- 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.
+#
+import logging
+from random import randint
 from django import template
-from django.template import Node, Variable, Template, Context
+from django.core.urlresolvers import reverse
+from django.utils.cache import add_never_cache_headers
+import sorl.thumbnail.default
+from ssify import ssi_variable
 from catalogue.utils import split_tags
-from itertools import chain
 from ..engine import CustomCroppingEngine
-import sorl.thumbnail.default
-import logging 
+from ..models import Picture
+
 
 register = template.Library()
 
 cropper = CustomCroppingEngine()
 
-@register.inclusion_tag('picture/picture_short.html', takes_context=True)
-def picture_short(context, picture):
-    context.update({
-        'picture': picture,
-        'main_link': picture.get_absolute_url(),
-        # 'related': picture.related_info(),
-        'request': context.get('request'),
-        'tags': split_tags(picture.tags),
-        })
-    return context
-                            
 @register.inclusion_tag('picture/picture_wide.html', takes_context=True)
 def picture_wide(context, picture):
     context.update({
         'picture': picture,
-        'main_link': picture.get_absolute_url(),
-        # 'related': picture.related_info(),
+        'main_link': reverse('picture_viewer', args=[picture.slug]),
         'request': context.get('request'),
         'tags': split_tags(picture.tags),
         })
@@ -47,7 +43,8 @@ def area_thumbnail_url(area, geometry):
             return [[coords[0][0], coords[0][1] + h/2 - w/2],
                     [coords[1][0], coords[1][1] - h/2 + w/2, ]]
 
-    # so much for sorl extensibility.                                                                                                                           # what to do about this?                                                                                                                                 
+    # so much for sorl extensibility.
+    # what to do about this?
     _engine = sorl.thumbnail.default.engine
     sorl.thumbnail.default.engine = cropper
     coords = to_square(area.area)
@@ -64,7 +61,15 @@ def area_thumbnail_url(area, geometry):
     sorl.thumbnail.default.engine = _engine
 
     return th.url
-            
 
-                                            
 
+@ssi_variable(register, patch_response=[add_never_cache_headers])
+def picture_random_picture(request, exclude_ids, unless=None):
+    if unless:
+        return None
+    queryset = Picture.objects.exclude(pk__in=exclude_ids).exclude(image_file='')
+    count = queryset.count()
+    if count:
+        return queryset[randint(0, count - 1)].pk
+    else:
+        return None