from django.views.generic import ListView, CreateView
from django.urls import reverse_lazy
from django.contrib.auth.mixins import LoginRequiredMixin
from myapp.models import Book
 
class BookFormMixin:
    def get_form_kwargs(self):
        kwargs = super().get_form_kwargs()
        kwargs['user'] = self.request.user
        return kwargs
 
class BookListView(LoginRequiredMixin, BookFormMixin, ListView):
    model = Book
    context_object_name = 'books'
    paginate_by = 20
    
    def get_queryset(self):
        return Book.objects.filter(owner=self.request.user)
 
class BookCreateView(LoginRequiredMixin, BookFormMixin, CreateView):
    model = Book
    fields = ['title', 'author', 'isbn']
    success_url = reverse_lazy('book-list')
    
    def form_valid(self, form):
        form.instance.owner = self.request.user
        return super().form_valid(form)