def add_to_cart(request, product_id):
# Open cart or Create cart
session_id = request.session.session_key
if not session_id:
request.session.create()
session_id = request.session.session_key
try:
cart = Cart.objects.get(session_id=session_id)
except Cart.DoesNotExist:
cart = Cart()
cart.session_id = session_id
cart.save()
# get item from DB
product = Product.objects.get(id=product_id)
# add item to cart OR increase quantity if already in cart
try:
item = Items.objects.get(product=product, cart=cart)
item.quantity += 1
item.save()
except Items.DoesNotExist:
item = Items()
item.cart = cart
item.quantity = 1
item.product = product
item.save()
# redirect to cart
return redirect('/store/cart')
def cart(request):
txt = ""
# Find cart in DB
session_id = request.session.session_key
if not session_id:
request.session.create()
session_id = request.session.session_key
try:
cart = Cart.objects.get(session_id=session_id)
except Cart.DoesNotExist:
cart = Cart()
cart.session_id = session_id
cart.save()
# Find items of the cart
items = Items.objects.filter(cart=cart)
for item in items:
txt += item.product.slug + ": " + str(item.quantity) + "<br>"
context = {
'items': items,
'categories': Category.objects.all().order_by('name'),
}
return render(request, 'store/cart.html', context)