Django 2.0

[wolnelektury.git] / src / lesmianator / views.py

diff --git a/src/lesmianator/views.py b/src/lesmianator/views.py
index 35aa078..e179c14 100644 (file)
--- a/src/lesmianator/views.py
+++ b/src/lesmianator/views.py
@@ -1,9 +1,8 @@
-# -*- 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.
 #
-from django.shortcuts import render_to_response, get_object_or_404
-from django.template import RequestContext
+import json
+from django.shortcuts import render, get_object_or_404
 from django.views.decorators import cache
 
 from catalogue.utils import get_random_hash
@@ -15,68 +14,68 @@ def main_page(request):
     last = Poem.objects.all().order_by('-created_at')[:10]
     shelves = Tag.objects.filter(user__username='lesmianator')
 
-    return render_to_response(
+    return render(
+        request,
         'lesmianator/lesmianator.html',
-        {"last": last, "shelves": shelves},
-        context_instance=RequestContext(request))
-
+        {"last": last, "shelves": shelves})
 
 @cache.never_cache
 def new_poem(request):
-    user = request.user if request.user.is_authenticated() else None
+    user = request.user if request.user.is_authenticated else None
     text = Poem.write()
     p = Poem(slug=get_random_hash(text), text=text, created_by=user)
     p.save()
 
-    return render_to_response(
+    return render(
+        request,
         'lesmianator/poem.html',
-        {"poem": p},
-        context_instance=RequestContext(request))
+        {"poem": p})
 
 
 @cache.never_cache
 def poem_from_book(request, slug):
     book = get_object_or_404(Book, slug=slug)
-    user = request.user if request.user.is_authenticated() else None
+    user = request.user if request.user.is_authenticated else None
     text = Poem.write(Continuations.get(book))
     p = Poem(slug=get_random_hash(text), text=text, created_by=user)
-    p.created_from = [book.id]
+    p.created_from = json.dumps([book.id])
     p.save()
 
-    return render_to_response(
+    return render(
+        request,
         'lesmianator/poem.html',
-        {"poem": p, "books": [book], "book": book},
-        context_instance=RequestContext(request))
+        {"poem": p, "books": [book], "book": book})
 
 
 @cache.never_cache
 def poem_from_set(request, shelf):
-    user = request.user if request.user.is_authenticated() else None
+    user = request.user if request.user.is_authenticated else None
     tag = get_object_or_404(Tag, category='set', slug=shelf)
     text = Poem.write(Continuations.get(tag))
     p = Poem(slug=get_random_hash(text), text=text, created_by=user)
     books = Book.tagged.with_any((tag,))
-    p.created_from = [b.id for b in books]
+    p.created_from = json.dumps([b.id for b in books])
     p.save()
 
     book = books[0] if len(books) == 1 else None
 
-    return render_to_response(
+    return render(
+        request,
         'lesmianator/poem.html',
-        {"poem": p, "shelf": tag, "books": books, "book": book},
-        context_instance=RequestContext(request))
+        {"poem": p, "shelf": tag, "books": books, "book": book})
 
 
 def get_poem(request, poem):
     p = get_object_or_404(Poem, slug=poem)
     p.visit()
-    if p.created_from:
-        books = Book.objects.filter(id__in=p.created_from)
+    created_from = json.loads(p.created_from or '[]')
+    if created_from:
+        books = Book.objects.filter(id__in=created_from)
         book = books[0] if len(books) == 1 else None
     else:
         books = book = None
 
-    return render_to_response(
+    return render(
+        request,
         'lesmianator/poem.html',
-        {"poem": p, "books": books, "book": book},
-        context_instance=RequestContext(request))
+        {"poem": p, "books": books, "book": book})