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[wolnelektury.git] / src / catalogue / views.py
index 5273ab4..2ea5eb0 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.
 #
 # 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.conf import settings
 from django.http.response import HttpResponseForbidden
-from django.template import RequestContext
 from django.template.loader import render_to_string
 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
 from django.http import HttpResponse, HttpResponseRedirect, Http404, HttpResponsePermanentRedirect
 from django.core.urlresolvers import reverse
 from django.db.models import Q, QuerySet
@@ -19,6 +17,7 @@ from django.utils import translation
 from django.utils.translation import ugettext as _, ugettext_lazy
 
 from ajaxable.utils import AjaxableFormView
 from django.utils.translation import ugettext as _, ugettext_lazy
 
 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
 from pdcounter import views as pdcounter_views
 from picture.models import Picture, PictureArea
 from ssify import ssi_included, ssi_expect, SsiVariable as Var
@@ -51,15 +50,14 @@ 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)
     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,
         })
         '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):
 
 
 def daisy_list(request):
@@ -80,9 +78,9 @@ def differentiate_tags(request, tags, ambiguous_slugs):
             'url_args': '/'.join((beginning, tag.url_chunk, unparsed)).strip('/'),
             'tags': [tag]
         })
             '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):
 
 
 def object_list(request, objects, fragments=None, related_tags=None, tags=None, list_type='books', extra=None):
@@ -133,22 +131,15 @@ def object_list(request, objects, fragments=None, related_tags=None, tags=None,
     }
     if extra:
         result.update(extra)
     }
     if extra:
         result.update(extra)
-    return render_to_response(
+    return render(
+        request,
         'catalogue/tagged_object_list.html', result,
         'catalogue/tagged_object_list.html', result,
-        context_instance=RequestContext(request))
+    )
 
 
 def literature(request):
     books = Book.objects.filter(parent=None)
 
 
 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([]))
     return object_list(request, books, related_tags=get_top_level_related_tags([]))
-    # extra={
-    #     'last_published': last_published,
-    #     'most_popular': most_popular,
-    # })
 
 
 def gallery(request):
 
 
 def gallery(request):
@@ -179,10 +170,10 @@ def analyse_tags(request, tag_str):
             raise ResponseInstead(pdcounter_views.author_detail(request, chunks[1]))
         else:
             raise Http404
             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))
         # 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)])))
 
         raise ResponseInstead(HttpResponsePermanentRedirect(
             reverse('tagged_object_list', args=['/'.join(tag.url_chunk for tag in e.tags)])))
 
@@ -266,12 +257,15 @@ def book_fragments(request, slug, theme_slug):
     fragments = Fragment.tagged.with_all([theme]).filter(
         Q(book=book) | Q(book__ancestor=book))
 
     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):
 
 
 def book_detail(request, slug):
@@ -280,12 +274,14 @@ def book_detail(request, slug):
     except Book.DoesNotExist:
         return pdcounter_views.book_stub_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
 
 
 # używane w publicznym interfejsie
@@ -296,20 +292,26 @@ def player(request, slug):
 
     audiobooks, projects = book.get_audiobooks()
 
 
     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)
 
 
 
 def book_text(request, slug):
     book = get_object_or_404(Book, slug=slug)
 
+    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
     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})
 
 
 # =========
 
 
 # =========
@@ -344,7 +346,7 @@ def book_info(request, book_id, lang='pl'):
     book = get_object_or_404(Book, id=book_id)
     # set language by hand
     translation.activate(lang)
     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):
 
 
 def tag_info(request, tag_id):
@@ -352,6 +354,18 @@ def tag_info(request, tag_id):
     return HttpResponse(tag.description)
 
 
     return HttpResponse(tag.description)
 
 
+def embargo_link(request, format_, slug):
+    book = get_object_or_404(Book, slug=slug)
+    if format_ not in Book.formats:
+        raise Http404
+    media_file = book.get_media(format_)
+    if not book.preview:
+        return HttpResponseRedirect(media_file.url)
+    if not Membership.is_active_for(request.user):
+        return HttpResponseRedirect(book.get_absolute_url())
+    return HttpResponse(media_file, content_type=constants.EBOOK_CONTENT_TYPES[format_])
+
+
 def download_zip(request, format, slug=None):
     if format in Book.ebook_formats:
         url = Book.zip_format(format)
 def download_zip(request, format, slug=None):
     if format in Book.ebook_formats:
         url = Book.zip_format(format)
@@ -379,8 +393,15 @@ class CustomPDFFormView(AjaxableFormView):
         """Override to parse view args and give additional args to the form."""
         return (obj,), {}
 
         """Override to parse view args and give additional args to the form."""
         return (obj,), {}
 
+    def validate_object(self, obj, request):
+        book = obj
+        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)
+
     def get_object(self, request, slug, *args, **kwargs):
     def get_object(self, request, slug, *args, **kwargs):
-        return get_object_or_404(Book, slug=slug)
+        book = get_object_or_404(Book, slug=slug)
+        return book
 
     def context_description(self, request, obj):
         return obj.pretty_title()
 
     def context_description(self, request, obj):
         return obj.pretty_title()
@@ -426,17 +447,9 @@ def book_short(request, pk):
     ))(ssi_expect(pk, int)))
 def book_wide(request, pk):
     book = get_object_or_404(Book, pk=pk)
     ))(ssi_expect(pk, int)))
 def book_wide(request, pk):
     book = get_object_or_404(Book, pk=pk)
-    extra_info = book.extra_info
 
     return render(request, 'catalogue/book_wide.html', {
         'book': book,
 
     return render(request, 'catalogue/book_wide.html', {
         'book': book,
-        'parents': book.parents(),
-        'tags': split_tags(book.tags.exclude(category__in=('set', 'theme'))),
-        'show_lang': book.language_code() != settings.LANGUAGE_CODE,
-
-        'main_link': reverse('book_text', args=[book.slug]) if book.html_file else None,
-        'extra_info': extra_info,
-        'hide_about': extra_info.get('about', '').startswith('http://wiki.wolnepodreczniki.pl'),
     })
 
 
     })
 
 
@@ -498,7 +511,7 @@ def collections(request):
     objects = Collection.objects.all()
 
     if len(objects) > 3:
     objects = Collection.objects.all()
 
     if len(objects) > 3:
-        best = random.sample(objects, 3)
+        best = random.sample(list(objects), 3)
     else:
         best = objects
 
     else:
         best = objects