def patch(self, request, id):
book = get_object_or_404(Book, id=id)
serializer = BookSerializer(book, data=request.data, partial=True)
if serializer.is_valid():
serializer.save()
return JsonResponse(data=serializer.data,
status=status.HTTP_200_OK)
return JsonResponse(data="wrong parameters",
status=status.HTTP_400_BAD_REQUEST)
def get(self, request):
title = request.GET.get('title', None)
author = request.GET.get('author', None)
language = request.GET.get('language', None)
pub_date = request.GET.get('pub_date', None)
if title is None and author is None and pub_date is None and language is None:
books = Book.objects.all()
else:
filter_query = {}
if title is not None:
filter_query['title__icontains'] = title
if author is not None:
filter_query['author__icontains'] = author
if language is not None:
filter_query['language'] = language
if pub_date is not None:
if '-' in pub_date:
from_year, to_year = pub_date.split('-')
filter_query['pub_date__lte'] = to_year
filter_query['pub_date__gte'] = from_year
else:
filter_query['pub_date'] = pub_date
books = Book.objects.filter(**filter_query)
serializer = BookSerializer(books, many=True)
return Response(serializer.data, status=status.HTTP_200_OK)
def test_filter_books_with_string_queries_pub_date_range(self):
book1 = create_a_book(title='title 1', pub_date=2019)
book2 = create_a_book(title='title 2', pub_date=2015)
create_a_book(title='title 3', pub_date=2012)
create_a_book(title='title 3', pub_date=2020)
res = self.client.get('/api/books?pub_date=2015-2019')
serializer = BookSerializer([book1, book2], many=True)
self.assertEqual(res.data, serializer.data)
def test_filter_books_with_string_queries_language_many_matching(self):
book1 = create_a_book(title='title 1', author='Jack Ko', language='en')
book2 = create_a_book(title='title 2',
author='Jack Koko',
language='en')
create_a_book(title='title 3', author='Jack Koro', language='pl')
res = self.client.get('/api/books?language=en')
serializer = BookSerializer([book1, book2], many=True)
self.assertEqual(res.data, serializer.data)
def test_filter_books_with_string_queries_author_many_matching(self):
book1 = create_a_book(title='title 1', author='Jack Ko')
book2 = create_a_book(title='title 2', author='Jack Koko')
book3 = create_a_book(title='title 3', author='Jack Koro')
create_a_book(title='title 3', author='Jammie Koro')
res = self.client.get('/api/books?author=Jack')
serializer = BookSerializer([book1, book2, book3], many=True)
self.assertEqual(res.data, serializer.data)
def test_filter_books_with_string_queries_title_many_matching(self):
book1 = create_a_book(title='Hobbit')
book2 = create_a_book(title='Hobbit 2')
book3 = create_a_book(title='This is Hobbit 3')
create_a_book(title='This is my Hobby')
res = self.client.get('/api/books?title=Hobbit')
serializer = BookSerializer([book1, book2, book3], many=True)
self.assertEqual(res.data, serializer.data)
def delete(self, request, id):
book = get_object_or_404(Book, id=id)
serializer = BookSerializer(book)
book.delete()
return Response(serializer.data, status=status.HTTP_200_OK)
def post(self, requset):
serializer = BookSerializer(data=requset.data)
if serializer.is_valid():
serializer.save()
return Response(serializer.data, status=status.HTTP_201_CREATED)
return Response(serializer.errors, status=status.HTTP_400_BAD_REQUEST)