la-chariotte/la_chariotte/order/views.py
2023-04-27 15:11:46 +02:00

108 lines
4.1 KiB
Python

from django.contrib.auth.mixins import LoginRequiredMixin, UserPassesTestMixin
from django.http import HttpResponseRedirect
from django.shortcuts import get_object_or_404, render
from django.urls import reverse, reverse_lazy
from django.utils import timezone
from django.views import generic
from .models import GroupedOrder, Item, Order, OrderedItem
class IndexView(LoginRequiredMixin, generic.ListView):
"""View showing all the grouped orders organized by the authenticated user"""
template_name = "order/index.html"
context_object_name = "grouped_order_list"
def get_queryset(self):
"""Only grouped orders organized by logged user"""
logged_user_grouped_orders = GroupedOrder.objects.filter(orga=self.request.user)
"""3 grouped_order status : incoming, crossed_deadline, and old"""
now = timezone.now()
today = now.date()
"""Return the 5 most recent old grouped orders"""
old_grouped_orders = logged_user_grouped_orders.filter(
# is_to_be_delivered=False
delivery_date__lt=today
).order_by("-delivery_date")[
:5
] # delivery date < today (delivered)
"""Return all grouped orders, that have crossed their ordering deadline but the delivery date is still to come"""
crossed_dealine_grouped_orders = (
logged_user_grouped_orders.filter(delivery_date__gte=today)
.filter(deadline__lt=now)
.order_by("-delivery_date")
) # delivery date >= today (not delivered) and deadline < today (we cannot order)
"""Return all incoming grouped orders"""
incoming_grouped_orders = logged_user_grouped_orders.filter(
deadline__gte=now
).order_by(
"deadline"
) # dealine >= today (we can still order)
return {
"old_grouped_orders": old_grouped_orders,
"crossed_deadline_grouped_orders": crossed_dealine_grouped_orders,
"incoming_grouped_orders": incoming_grouped_orders,
}
class GroupedOrderDetailView(generic.DetailView):
"""Detail view for a grouped order - possibility to order if it is ongoing - No permissions restriction"""
model = GroupedOrder
template_name = "order/grouped_order_detail.html"
context_object_name = "grouped_order"
class GroupedOrderOrgaView(UserPassesTestMixin, generic.DetailView):
"""Overview of a grouped order, for the organizer"""
model = GroupedOrder
template_name = "order/grouped_order_overview.html"
context_object_name = "grouped_order"
def test_func(self):
"""Accessible only if the requesting user is the grouped order organizer"""
return self.get_object().orga == self.request.user
def order(
request, grouped_order_id
): # crée une commande (order) pour cette commande groupée, avec l'item selectionné dedans
grouped_order = get_object_or_404(GroupedOrder, pk=grouped_order_id)
try:
selected_item = grouped_order.item_set.get(pk=request.POST["item"])
except (KeyError, Item.DoesNotExist):
# Redisplay the order form for this grouped order.
return render(
request,
"order/grouped_order_detail.html",
{
"grouped_order": grouped_order,
"error_message": "You didn't select an item.",
},
)
else:
order = Order.objects.create(author="Auteur teur", grouped_order=grouped_order)
OrderedItem.objects.create(nb=1, order=order, item=selected_item)
compute_ordered_nb(selected_item)
selected_item.save()
# Always return an HttpResponseRedirect after successfully dealing
# with POST data. This prevents data from being posted twice if a
# user hits the Back button.
return HttpResponseRedirect(
reverse("order:grouped_order_overview", args=(grouped_order.pk,))
)
def compute_ordered_nb(item):
"""Calcule le nombre de produits de ce type commandés (pour cette commande groupée)"""
ordered_nb = 0
for order in item.orders.all():
ordered_nb += order.nb
item.ordered_nb = ordered_nb
item.save()