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add operation mode in restrict_cart_to_one_article function

This commit is contained in:
Ivan Hörler 2018-02-20 21:22:25 +01:00
parent a6ca585918
commit 933cd40336
1 changed files with 24 additions and 7 deletions
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31
django/didgeridoo/webshop/views.py
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@ -64,7 +64,7 @@ def articles_in_category(request, category_id):
'category': selected_category})
def restrict_cart_to_one_article(user_name, article_id, amount):
def restrict_cart_to_one_article(user_name, article_id, amount, operation):
article = Article.objects.get(id=article_id)
try:
# lookup if cart_id is already existent:
@ -74,17 +74,25 @@ def restrict_cart_to_one_article(user_name, article_id, amount):
cart_id = ShoppingCart.objects.create(user=user_name)
cart_id.save()
if cart_id:
print('restrict_cart_to_one_article cart_id:', cart_id)
# check if the article is existent in cart already:
try:
article_amount = CartPosition.objects.get(
article=article_id)
new_amount = article_amount.amount + amount
if operation == 'add':
new_amount = article_amount.amount + amount
print('restrict_cart_to_one_article add new_amount:', new_amount,
'article_id', article_id)
if operation == 'replace':
print('restrict_cart_to_one_article replace:', amount)
new_amount = amount
# if article is in cart already update amount:
cart_position = CartPosition.objects.filter(
id=article_id).update(
amount=new_amount
)
except Exception as e:
print('restrict_cart_to_one_article except: ', e)
# if the article is not in cart yet add full item:
cart_position = CartPosition.objects.create(
article=article,
@ -129,7 +137,13 @@ def article_details(request, article_id):
if amount.is_valid():
amount = amount.cleaned_data['amount']
user_name = request.user
restrict_cart_to_one_article(user_name, article_id, amount)
operation = 'add'
restrict_cart_to_one_article(
user_name,
article_id,
amount,
operation
)
# write default value (1) to form field:
amount = AddToCartForm()
else:
@ -234,10 +248,13 @@ def cart(request):
if amount_form.is_valid():
amount = amount_form.cleaned_data['amount_form']
article_id = request.POST.get('article_id')
restrict_cart_to_one_article(user_name, article_id, amount)
article = CartPosition.objects.get(article=article_id)
articleamount = article.amount
print('amount_form articleamount:', articleamount)
operation = 'replace'
restrict_cart_to_one_article(
user_name,
article_id,
amount,
operation
)
if 'checkout' in request.POST:
print('checkout')