src/lesmianator/views.py

   1 # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
   2 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
   3 #
   4 import json
   5 from django.shortcuts import render, get_object_or_404
   6 from django.views.decorators import cache
   7
   8 from catalogue.utils import get_random_hash
   9 from catalogue.models import Book, Tag
  10 from lesmianator.models import Poem, Continuations
  11
  12
  13 def main_page(request):
  14     last = Poem.objects.all().order_by('-created_at')[:10]
  15     shelves = Tag.objects.filter(user__username='lesmianator')
  16
  17     return render(
  18         request,
  19         'lesmianator/lesmianator.html',
  20         {"last": last, "shelves": shelves})
  21
  22 @cache.never_cache
  23 def new_poem(request):
  24     user = request.user if request.user.is_authenticated else None
  25     text = Poem.write()
  26     p = Poem(slug=get_random_hash(text), text=text, created_by=user)
  27     p.save()
  28
  29     return render(
  30         request,
  31         'lesmianator/poem.html',
  32         {"poem": p})
  33
  34
  35 @cache.never_cache
  36 def poem_from_book(request, slug):
  37     book = get_object_or_404(Book, slug=slug)
  38     user = request.user if request.user.is_authenticated else None
  39     text = Poem.write(Continuations.get(book))
  40     p = Poem(slug=get_random_hash(text), text=text, created_by=user)
  41     p.created_from = json.dumps([book.id])
  42     p.save()
  43
  44     return render(
  45         request,
  46         'lesmianator/poem.html',
  47         {"poem": p, "books": [book], "book": book})
  48
  49
  50 @cache.never_cache
  51 def poem_from_set(request, shelf):
  52     user = request.user if request.user.is_authenticated else None
  53     tag = get_object_or_404(Tag, category='set', slug=shelf)
  54     text = Poem.write(Continuations.get(tag))
  55     p = Poem(slug=get_random_hash(text), text=text, created_by=user)
  56     books = Book.tagged.with_any((tag,))
  57     p.created_from = json.dumps([b.id for b in books])
  58     p.save()
  59
  60     book = books[0] if len(books) == 1 else None
  61
  62     return render(
  63         request,
  64         'lesmianator/poem.html',
  65         {"poem": p, "shelf": tag, "books": books, "book": book})
  66
  67
  68 def get_poem(request, poem):
  69     p = get_object_or_404(Poem, slug=poem)
  70     p.visit()
  71     created_from = json.loads(p.created_from or '[]')
  72     if created_from:
  73         books = Book.objects.filter(id__in=created_from)
  74         book = books[0] if len(books) == 1 else None
  75     else:
  76         books = book = None
  77
  78     return render(
  79         request,
  80         'lesmianator/poem.html',
  81         {"poem": p, "books": books, "book": book})