def view_cart(request):
if request.method == 'POST' and "submit_order" in request.POST:
user = User.objects.get(username=request.user.username)
cart = Cart.objects.get(who_id=user)
# Check that there are enough ingredients
submitted_orders = Orden.objects.filter(cart_id=cart.id)
ingredients = Ingrediente.objects.all()
# Create dictonary of all ingredients you have
ingredient_have_dict = dict()
for ingredient in ingredients:
ingredient_have_dict[ingredient.name] = ingredient.amount
# Create dictionary of all the ingredients you need
ingredient_need_dict = dict()
for order in submitted_orders:
for ing in order.item_id.ingredients.all():
if ing.name not in ingredient_need_dict.keys():
ingredient_need_dict[ing.name] = 1
else:
ingredient_need_dict[ing.name] += 1
# Compare the two dictionaries
for ingredient_needed in ingredient_need_dict.keys():
if ingredient_need_dict[ingredient_needed] > ingredient_have_dict[
ingredient_needed]:
raise Http404("There are not enough " + ingredient_needed +
" so this order cannot be processed")
# Check that they have enough money
if user.creditos != None and user.creditos > cart.order_total:
# get the current active carts/order
active_carts = Cart.objects.filter(active=True).order_by('when')
orders_ahead = len(active_carts)
# set this cart and make it active
cart.active = True
user.creditos -= cart.order_total
cart.save()
user.save()
# estimate using active carts
time_estimate = 0
for cart in active_carts:
time_estimate += cart.time_total
return render(
request, 'order_submitted.html', {
'time_estimate': time_estimate,
'user': user,
'cart': cart,
'orders_ahead': orders_ahead
})
else:
raise Http404(
"You do not have enough credits to order this. Please order in person at the Container"
)
if request.method == 'POST' and "eliminar" in request.POST:
item = str(request.POST.get('item'))
# get the current cart of this person
cart = Cart.objects.get(who_id=request.user)
order_item = ElementosDelMenu.objects.get(name=item)
order = Orden.objects.filter(cart_id=cart.id, item_id=order_item)
order.delete()
cart.save()
# to display regular page again
user = User.objects.get(username=request.user.username)
try:
cart = Cart.objects.get(who_id=user.id)
orders = list(Orden.objects.filter(cart_id=cart.id))
return render(request, 'view_cart.html', {
'user': user,
'cart': cart,
'orders': orders
})
except:
cart = Cart(who_id=user)
cart.save()
return render(request, 'view_cart.html', {
'user': user,
'cart': cart
})
else:
user = User.objects.get(username=request.user.username)
try:
cart = Cart.objects.get(who_id=user.id)
orders = list(Orden.objects.filter(cart_id=cart.id))
return render(request, 'view_cart.html', {
'user': user,
'cart': cart,
'orders': orders
})
except:
cart = Cart(who_id=user)
cart.save()
return render(request, 'view_cart.html', {
'user': user,
'cart': cart
})
