from django.views.generic import ListView

from .models import Expense, Trip, CATS


class ExpenseListView(ListView):
    model = Expense
    context_object_name = 'object_list'
    template_name = 'details/expenses.html'

    def get_queryset(self):
        return Expense.objects.filter(
            trip__slug=self.kwargs['slug']
        )

    def get_context_data(self, **kwargs):
        # Call the base implementation first to get a context
        context = super(ExpenseListView, self).get_context_data(**kwargs)
        context['categories'] = CATS
        return context


class TripListView(ListView):
    model = Trip
    context_object_name = 'object_list'
    template_name = 'archives/expenses.html'

    def get_queryset(self):
        return Trip.objects.all()