X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/019dfd7e87efcf03b08decb7af6552df3e3df215..d891cd280793404e5d44e0fe0a3d7e0c70564177:/src/social/templatetags/social_tags.py

diff --git a/src/social/templatetags/social_tags.py b/src/social/templatetags/social_tags.py
index 8f67bdfcb..434277a17 100644
--- a/src/social/templatetags/social_tags.py
+++ b/src/social/templatetags/social_tags.py
@@ -6,35 +6,28 @@ from django import template
 from django.utils.functional import lazy
 from django.utils.cache import add_never_cache_headers
 from catalogue.models import Book
-from ssify import ssi_variable
-from ssify.utils import ssi_vary_on_cookie
 from social.utils import likes, get_or_choose_cite
-from ..models import Carousel
+from ..models import Carousel, Cite
 
 register = template.Library()
 
 
-@ssi_variable(register, patch_response=[ssi_vary_on_cookie])
-def likes_book(request, book_id):
-    return likes(request.user, Book.objects.get(pk=book_id), request)
+@register.simple_tag(takes_context=True)
+def likes_book(context, book):
+    request = context['request']
+    return likes(request.user, book, request)
 
 
-@ssi_variable(register, name='choose_cite', patch_response=[add_never_cache_headers])
-def choose_cite_tag(request, book_id=None, tag_ids=None):
-    cite = get_or_choose_cite(request, book_id, tag_ids)
-    return cite.pk if cite is not None else None
+@register.simple_tag(takes_context=True)
+def choose_cite(context, book_id=None, tag_ids=None):
+    request = context['request']
+    return get_or_choose_cite(request, book_id, tag_ids)
 
 
-@register.inclusion_tag('social/cite_promo.html')
-def render_cite(cite):
-    return {
-        'cite': cite,
-    }
-
-
-@ssi_variable(register, patch_response=[ssi_vary_on_cookie])
-def book_shelf_tags(request, book_id):
-    if not request.user.is_authenticated():
+@register.simple_tag(takes_context=True)
+def book_shelf_tags(context, book_id):
+    request = context['request']
+    if not request.user.is_authenticated:
         return ''
     book = Book.objects.get(pk=book_id)
     lks = likes(request.user, book, request)
@@ -50,16 +43,37 @@ def book_shelf_tags(request, book_id):
     return lazy(get_value, str)()
 
 
-@register.inclusion_tag('social/carousel.html')
-def carousel(slug):
-    # TODO: cache
-    try:
-        carousel = Carousel.objects.get(slug=slug)
-    except Carousel.DoesNotExist:
-        # TODO: add sanity check for install.
-        carousel = None
+@register.inclusion_tag('social/carousel.html', takes_context=True)
+def carousel(context, placement):
+    carousel = Carousel.get(placement)
+    banners = [
+            item.get_banner()
+            for item in carousel.carouselitem_set.all().select_related('banner')
+            ]
+
+    request = context['request']
+    if 'banner' in request.GET:
+        try:
+            banner_id = int(request.GET['banner'])
+        except (TypeError, ValueError):
+            pass
+        else:
+            try:
+                index = [b.pk for b in banners].index(banner_id)
+            except ValueError:
+                if request.user.is_staff:
+                    # Staff is allowed to preview any banner.
+                    try:
+                        banners.insert(0, Cite.objects.get(pk=banner_id))
+                    except Cite.DoesNotExist:
+                        pass
+            else:
+                # Put selected banner to front.
+                banners = [banners[index]] + banners[:index] + banners[index+1:]
+
     return {
-        'carousel': carousel
+        'carousel': carousel,
+        'banners': banners,
     }