la-chariotte/la_chariotte/order/views.py
2023-04-18 16:04:40 +02:00

92 lines
3.5 KiB
Python

from django.http import HttpResponseRedirect
from django.shortcuts import get_object_or_404, render
from django.urls import reverse
from django.utils import timezone
from django.views import generic
from .models import GroupedOrder, Item, Order, OrderedItem
class IndexView(generic.ListView):
"""Vue de toutes les commandes groupées existantes - plus tard, de toutes les commandes groupées de l'utilisateur connecté"""
template_name = "order/index.html"
context_object_name = "grouped_order_list"
def get_queryset(self):
"""Return the 5 most recent old grouped orders"""
old_grouped_orders = GroupedOrder.objects.filter(
delivery_date__lt=timezone.now().date()
).order_by("-delivery_date")[
:5
] # delivery date < today (delivered)
"""Return all grouped orders, for which we cannot order anymore but the delivery date is still to come"""
orders_over_grouped_orders = (
GroupedOrder.objects.filter(delivery_date__gte=timezone.now().date())
.filter(deadline__lt=timezone.now())
.order_by("-delivery_date")
) # delivery date >= today (not delivered) and deadline < today (we cannot order)
"""Return all incoming grouped orders"""
incoming_grouped_orders = GroupedOrder.objects.filter(
deadline__gte=timezone.now()
).order_by(
"deadline"
) # dealine >= today (we can still order)
return {
"old_grouped_orders": old_grouped_orders,
"orders_over_grouped_orders": orders_over_grouped_orders,
"incoming_grouped_orders": incoming_grouped_orders,
}
class GroupedOrderDetailView(generic.DetailView):
"""Vue de détail d'une commande groupée - possibilité de commander si elle est en cours"""
model = GroupedOrder
template_name = "order/grouped_order_detail.html"
context_object_name = "grouped_order"
class GroupedOrderOrgaView(generic.DetailView):
"""Vue de supervision d'une commande groupée"""
model = GroupedOrder
template_name = "order/grouped_order_orga.html"
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_orga", 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()