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from django.contrib import messages
from django.contrib.auth.mixins import LoginRequiredMixin, UserPassesTestMixin
from django.http import JsonResponse
from django.shortcuts import get_object_or_404
from django.urls import reverse
from django.views import View
from django.views.generic import FormView
from booking.forms import BookingForm
from booking.models import Booking
from dashboard.models import Resource
class BookingFormView(LoginRequiredMixin, FormView):
template_name = "booking/booking_calendar.html"
form_class = BookingForm
def dispatch(self, request, *args, **kwargs):
self.resource = get_object_or_404(Resource, id=self.kwargs['resource_id'])
return super(BookingFormView, self).dispatch(request,*args, **kwargs)
def get_context_data(self, **kwargs):
title = 'Booking: ' + self.resource.name
context = super(BookingFormView, self).get_context_data(**kwargs)
context.update({'title': title, 'resource': self.resource})
return context
def get_success_url(self):
return reverse('booking:create', kwargs=self.kwargs)
def form_valid(self, form):
booking = Booking(start=form.cleaned_data['start'], end=form.cleaned_data['end'],
purpose=form.cleaned_data['purpose'], resource=self.resource,
user=self.request.user)
try:
booking.save()
except ValueError as err:
messages.add_message(self.request, messages.ERROR, err)
return super(BookingFormView, self).form_invalid(form)
except PermissionError as err:
messages.add_message(self.request, messages.ERROR, err)
return super(BookingFormView, self).form_invalid(form)
messages.add_message(self.request, messages.SUCCESS, 'Booking saved')
return super(BookingFormView, self).form_valid(form)
class ResourceBookingsJSON(View):
def get(self, request, *args, **kwargs):
resource = get_object_or_404(Resource, id=self.kwargs['resource_id'])
bookings = resource.booking_set.get_queryset().values('id', 'start', 'end', 'purpose')
return JsonResponse({'bookings': list(bookings)})
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