def currentLoans(self, request, pk=None):
user = request.user.id
print(request.user)
myBorrowed = BookInstance.objects.filter(borrower=request.user.id)
print(myBorrowed)
serializer = BookInstanceSerializer(myBorrowed, many=True)
return Response(serializer.data)
def reserve(self, request, pk=None):
user = request.user.id
print(request.user)
queryset = BookInstance.objects.all()
bookInstance = get_object_or_404(queryset, pk=pk)
bookInstance.status = dict(BookInstance.LOAN_STATUS).get('r')
bookInstance.save()
serializer = BookInstanceSerializer(bookInstance)
return Response(serializer.data)
def create(self, request):
print(request.data)
bookId = request.data['book']
queryset = Book.objects.all()
book = get_object_or_404(queryset, pk=bookId)
newInstance = BookInstance.create(book)
newInstance.save()
serializer = BookInstanceSerializer(newInstance)
return Response(serializer.data)
class BookSerializer(BulkSerializerMixin, serializers.ModelSerializer):
# author = AuthorSerializer(many=True, read_only=True) # will be read not written
author = serializers.PrimaryKeyRelatedField(many=True, read_only=False, queryset=Author.objects.all())
author_names = serializers.StringRelatedField(many=True, source='author',read_only=True)
copies = BookInstanceSerializer(many=True, read_only=True)
# copies = serializers.ListField()
class Meta:
model = Book
list_serializer_class = BulkListSerializer
fields = '__all__'
def returnBook(self, request, pk=None):
user = request.user.id
print(request.user)
queryset = BookInstance.objects.all()
bookInstance = get_object_or_404(queryset, pk=pk)
# make sure this user already has the book out on loan
if bookInstance.status != 'o' or bookInstance.borrower.id != request.user.id:
content = {
'status': 'you have not borrowed this book on the system'
}
return Response(content, status=status.HTTP_400_BAD_REQUEST)
bookInstance.status = 'a'
bookInstance.borrower = None
bookInstance.save()
serializer = BookInstanceSerializer(bookInstance)
return Response(serializer.data)
def checkoutBulk(self, request):
print(request.user)
queryset = BookInstance.objects.all()
updatedBookInstances = []
for instance in request.data:
bookInstance = get_object_or_404(queryset, id=instance['id'])
# make sure book is not already on loan
# if bookInstance.status == dict(BookInstance.LOAN_STATUS).get('o'):
if bookInstance.status == 'o':
content = {'status': 'book already on loan'}
return Response(content, status=status.HTTP_400_BAD_REQUEST)
# bookInstance.status = dict(BookInstance.LOAN_STATUS).get('o')
bookInstance.status = 'o'
bookInstance.borrower = request.user
updatedBookInstances.append(bookInstance)
# if everything is ok, save all now
for book in updatedBookInstances:
book.save()
serializer = BookInstanceSerializer(updatedBookInstances, many=True)
return Response(serializer.data)