Cite base
[wolnelektury.git] / src / catalogue / views.py
index c545cdf..632eff8 100644 (file)
@@ -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.
 #
@@ -7,9 +6,8 @@ import random
 
 from django.conf import settings
 from django.http.response import HttpResponseForbidden
-from django.template import RequestContext
 from django.template.loader import render_to_string
-from django.shortcuts import render_to_response, get_object_or_404, render, redirect
+from django.shortcuts import get_object_or_404, render, redirect
 from django.http import HttpResponse, HttpResponseRedirect, Http404, HttpResponsePermanentRedirect
 from django.core.urlresolvers import reverse
 from django.db.models import Q, QuerySet
@@ -17,8 +15,10 @@ from django.contrib.auth.decorators import login_required, user_passes_test
 from django.utils.http import urlquote_plus
 from django.utils import translation
 from django.utils.translation import ugettext as _, ugettext_lazy
+from django.views.decorators.cache import never_cache
 
 from ajaxable.utils import AjaxableFormView
+from club.models import Membership
 from pdcounter import views as pdcounter_views
 from picture.models import Picture, PictureArea
 from ssify import ssi_included, ssi_expect, SsiVariable as Var
@@ -26,7 +26,7 @@ from catalogue import constants
 from catalogue import forms
 from catalogue.helpers import get_top_level_related_tags
 from catalogue.models import Book, Collection, Tag, Fragment
-from catalogue.utils import split_tags, is_subscribed
+from catalogue.utils import split_tags
 from catalogue.models.tag import prefetch_relations
 from wolnelektury.utils import is_crawler
 
@@ -51,15 +51,14 @@ def book_list(request, filters=None, template_name='catalogue/book_list.html',
     for tag in books_by_author:
         if books_by_author[tag]:
             books_nav.setdefault(tag.sort_key[0], []).append(tag)
-    # WTF: dlaczego nie include?
-    return render_to_response(template_name, {
+    return render(request, template_name, {
         'rendered_nav': render_to_string(nav_template_name, {'books_nav': books_nav}),
         'rendered_book_list': render_to_string(list_template_name, {
             'books_by_author': books_by_author,
             'orphans': orphans,
             'books_by_parent': books_by_parent,
         })
-    }, context_instance=RequestContext(request))
+    })
 
 
 def daisy_list(request):
@@ -80,9 +79,9 @@ def differentiate_tags(request, tags, ambiguous_slugs):
             'url_args': '/'.join((beginning, tag.url_chunk, unparsed)).strip('/'),
             'tags': [tag]
         })
-    return render_to_response(
-        'catalogue/differentiate_tags.html', {'tags': tags, 'options': options, 'unparsed': ambiguous_slugs[1:]},
-        context_instance=RequestContext(request))
+    return render(
+        request,
+        'catalogue/differentiate_tags.html', {'tags': tags, 'options': options, 'unparsed': ambiguous_slugs[1:]})
 
 
 def object_list(request, objects, fragments=None, related_tags=None, tags=None, list_type='books', extra=None):
@@ -133,22 +132,15 @@ def object_list(request, objects, fragments=None, related_tags=None, tags=None,
     }
     if extra:
         result.update(extra)
-    return render_to_response(
+    return render(
+        request,
         'catalogue/tagged_object_list.html', result,
-        context_instance=RequestContext(request))
+    )
 
 
 def literature(request):
     books = Book.objects.filter(parent=None)
-
-    # last_published = Book.objects.exclude(cover_thumb='').filter(parent=None).order_by('-created_at')[:20]
-    # most_popular = Book.objects.exclude(cover_thumb='')\
-    #                    .order_by('-popularity__count', 'sort_key_author', 'sort_key')[:20]
     return object_list(request, books, related_tags=get_top_level_related_tags([]))
-    # extra={
-    #     'last_published': last_published,
-    #     'most_popular': most_popular,
-    # })
 
 
 def gallery(request):
@@ -179,10 +171,10 @@ def analyse_tags(request, tag_str):
             raise ResponseInstead(pdcounter_views.author_detail(request, chunks[1]))
         else:
             raise Http404
-    except Tag.MultipleObjectsReturned, e:
+    except Tag.MultipleObjectsReturned as e:
         # Ask the user to disambiguate
         raise ResponseInstead(differentiate_tags(request, e.tags, e.ambiguous_slugs))
-    except Tag.UrlDeprecationWarning, e:
+    except Tag.UrlDeprecationWarning as e:
         raise ResponseInstead(HttpResponsePermanentRedirect(
             reverse('tagged_object_list', args=['/'.join(tag.url_chunk for tag in e.tags)])))
 
@@ -266,12 +258,15 @@ def book_fragments(request, slug, theme_slug):
     fragments = Fragment.tagged.with_all([theme]).filter(
         Q(book=book) | Q(book__ancestor=book))
 
-    return render_to_response('catalogue/book_fragments.html', {
-        'book': book,
-        'theme': theme,
-        'fragments': fragments,
-        'active_menu_item': 'books',
-    }, context_instance=RequestContext(request))
+    return render(
+        request,
+        'catalogue/book_fragments.html',
+        {
+            'book': book,
+            'theme': theme,
+            'fragments': fragments,
+            'active_menu_item': 'books',
+        })
 
 
 def book_detail(request, slug):
@@ -280,12 +275,14 @@ def book_detail(request, slug):
     except Book.DoesNotExist:
         return pdcounter_views.book_stub_detail(request, slug)
 
-    return render_to_response('catalogue/book_detail.html', {
-        'book': book,
-        'tags': book.tags.exclude(category__in=('set', 'theme')),
-        'book_children': book.children.all().order_by('parent_number', 'sort_key'),
-        'active_menu_item': 'books',
-    }, context_instance=RequestContext(request))
+    return render(
+        request,
+        'catalogue/book_detail.html',
+        {
+            'book': book,
+            'book_children': book.children.all().order_by('parent_number', 'sort_key'),
+            'active_menu_item': 'books',
+        })
 
 
 # używane w publicznym interfejsie
@@ -296,23 +293,26 @@ def player(request, slug):
 
     audiobooks, projects = book.get_audiobooks()
 
-    return render_to_response('catalogue/player.html', {
-        'book': book,
-        'audiobook': '',
-        'audiobooks': audiobooks,
-        'projects': projects,
-    }, context_instance=RequestContext(request))
+    return render(
+        request,
+        'catalogue/player.html',
+        {
+            'book': book,
+            'audiobook': '',
+            'audiobooks': audiobooks,
+            'projects': projects,
+        })
 
 
 def book_text(request, slug):
     book = get_object_or_404(Book, slug=slug)
 
-    if book.preview and not is_subscribed(request.user):
+    if book.preview and not Membership.is_active_for(request.user):
         return HttpResponseRedirect(book.get_absolute_url())
 
     if not book.has_html_file():
         raise Http404
-    return render_to_response('catalogue/book_text.html', {'book': book}, context_instance=RequestContext(request))
+    return render(request, 'catalogue/book_text.html', {'book': book})
 
 
 # =========
@@ -347,7 +347,7 @@ def book_info(request, book_id, lang='pl'):
     book = get_object_or_404(Book, id=book_id)
     # set language by hand
     translation.activate(lang)
-    return render_to_response('catalogue/book_info.html', {'book': book}, context_instance=RequestContext(request))
+    return render(request, 'catalogue/book_info.html', {'book': book})
 
 
 def tag_info(request, tag_id):
@@ -355,15 +355,16 @@ def tag_info(request, tag_id):
     return HttpResponse(tag.description)
 
 
-def embargo_link(request, format_, slug):
+@never_cache
+def embargo_link(request, key, format_, slug):
     book = get_object_or_404(Book, slug=slug)
     if format_ not in Book.formats:
         raise Http404
+    if key != book.preview_key:
+        raise Http404
     media_file = book.get_media(format_)
     if not book.preview:
         return HttpResponseRedirect(media_file.url)
-    if not is_subscribed(request.user):
-        return HttpResponseRedirect(book.get_absolute_url())
     return HttpResponse(media_file, content_type=constants.EBOOK_CONTENT_TYPES[format_])
 
 
@@ -396,7 +397,7 @@ class CustomPDFFormView(AjaxableFormView):
 
     def validate_object(self, obj, request):
         book = obj
-        if book.preview and not is_subscribed(request.user):
+        if book.preview and not Membership_is_active_for(request.user):
             return HttpResponseRedirect(book.get_absolute_url())
         return super(CustomPDFFormView, self).validate_object(obj, request)
 
@@ -512,7 +513,7 @@ def collections(request):
     objects = Collection.objects.all()
 
     if len(objects) > 3:
-        best = random.sample(objects, 3)
+        best = random.sample(list(objects), 3)
     else:
         best = objects