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fixed add update and delete function

This commit is contained in:
Ivan Hörler 2018-02-25 09:30:46 +01:00
parent 83bf8ea362
commit ff36017fa4
1 changed files with 41 additions and 38 deletions
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79
django/didgeridoo/webshop/views.py
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@ -65,50 +65,51 @@ def articles_in_category(request, category_id):
def restrict_cart_to_one_article(user_name, article_id, amount, operation):
print('operation:', operation)
# if cart_id is not existent create a cart:
cart_id, created_cart = ShoppingCart.objects.get_or_create(user=user_name)
print('restrict_cart_to_one_article cart_id:', cart_id,
'created_cart', created_cart)
# transfair Article to CartPosition:
article = Article.objects.get(id=article_id)
try:
# lookup if cart_id is already existent:
cart_id = ShoppingCart.objects.get(user=user_name)
except:
# if cart_id is not existent create a cart:
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:
cart_position, created_position = CartPosition.objects.get_or_create(
article=article,
defaults={'amount': amount,
'position_price': article.price_in_chf,
'cart': cart_id
}
)
print('restrict_cart_to_one_article cart_position:', cart_position,
'created_position', created_position)
if created_position is False:
print('restrict_cart_to_one_article cart_position False')
if operation == 'delete':
article.delete()
print('restrict_cart_to_one_article delete article_id:', article_id)
try:
article = CartPosition.objects.get(
article=article_id)
print('restrict_cart_to_one_article delete article_id:',
article_id)
cart_position.delete()
print('restrict_cart_to_one_article cart_position:',
cart_position,
'created_position',
created_position)
if (operation == 'add') or (operation == 'replace'):
print('yep in add or replace')
if operation == 'add':
new_amount = article.amount + amount
print('restrict_cart_to_one_article add new_amount:', new_amount,
'article_id', article_id)
cart_position = CartPosition.objects.filter(
article=article_id).update(
amount=new_amount
)
new_amount = cart_position.amount + amount
print('restrict_cart_to_one_article add new_amount:',
new_amount,
'article_id',
article_id)
if operation == 'replace':
new_amount = amount # ref two times check later !!
print('restrict_cart_to_one_article replace:', new_amount,
'article_id', article_id)
# if article is in cart already update amount:
cart_position = CartPosition.objects.filter(
article=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,
amount=amount,
position_price=article.price_in_chf,
cart=ShoppingCart.objects.get(user=user_name)
print('restrict_cart_to_one_article replace:',
new_amount,
'article_id',
article_id)
# if article is in cart already update amount:
cart_position = CartPosition.objects.filter(
article=article_id).update(
amount=new_amount
)
cart_position.save()
def article_details(request, article_id):
@ -259,12 +260,14 @@ def cart(request):
amount = amount_form.cleaned_data['amount_form']
article_id = request.POST.get('article_id')
operation = 'replace'
print('cart amount_form going in to function restrict_cart_to_one_article')
restrict_cart_to_one_article(
user_name,
article_id,
amount,
operation
)
print('cart amount_form coming back from function restrict_cart_to_one_article')
# here we react to a change of amount per item in the Cart:
if 'delete' in request.POST:
print('delete yes delete post')