created funciton to restrict cart to get several same items
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@ -68,20 +68,10 @@ class AddToCartForm(forms.Form):
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class CartForm(forms.Form):
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class CartForm(forms.Form):
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amount_field = forms.IntegerField(
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amount_form = forms.FloatField(
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label='pce',
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label='pce',
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help_text='Enter a Value between 1 and 99.')
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help_text='Enter a Value between 1 and 99.')
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def change_amount(self, article):
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print('CartForm.ChangeAmount')
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position = CartPosition.objects.get(article=article)
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self.amount_field = forms.IntegerField(
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label='pce',
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help_text='Enter a Value between 1 and 99.',
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initial=position.amount
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)
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return self.amount_field
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class CheckoutForm(forms.Form):
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class CheckoutForm(forms.Form):
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@ -26,6 +26,7 @@
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<td scope="col">
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<td scope="col">
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<form id="amount_form" action="" method="POST" novalidate>
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<form id="amount_form" action="" method="POST" novalidate>
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{{ amount_form.as_p }}
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{{ amount_form.as_p }}
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<input type="hidden" value="{{ cart_position.article.id }}" name="article_id">
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<input type="submit" value="change" />
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<input type="submit" value="change" />
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{% csrf_token %}
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{% csrf_token %}
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</form>
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</form>
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@ -66,6 +66,37 @@ def articles_in_category(request, category_id):
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'category': selected_category})
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'category': selected_category})
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def restrict_cart_to_one_article(user_name, article_id, amount):
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article = Article.objects.get(id=article_id)
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try:
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# lookup if cart_id is already existent:
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cart_id = ShoppingCart.objects.get(user=user_name)
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except:
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# if cart_id is not existent create a cart:
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cart_id = ShoppingCart.objects.create(user=user_name)
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cart_id.save()
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if cart_id:
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# check if the article is existent in cart already:
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try:
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article_amount = CartPosition.objects.get(
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article=article_id)
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new_amount = article_amount.amount + amount
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# if article is in cart already update amount:
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cart_position = CartPosition.objects.filter(
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id=article_id).update(
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amount=new_amount
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)
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except Exception as e:
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# if the article is not in cart yet add full item:
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cart_position = CartPosition.objects.create(
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article=article,
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amount=amount,
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position_price=article.price_in_chf,
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cart=ShoppingCart.objects.get(user=user_name)
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)
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cart_position.save()
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def article_details(request, article_id):
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def article_details(request, article_id):
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category_list = get_categories()
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category_list = get_categories()
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currencies_form = CurrenciesForm
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currencies_form = CurrenciesForm
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@ -99,35 +130,8 @@ def article_details(request, article_id):
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amount = AddToCartForm(request.POST)
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amount = AddToCartForm(request.POST)
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if amount.is_valid():
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if amount.is_valid():
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amount = amount.cleaned_data['amount']
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amount = amount.cleaned_data['amount']
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currency_id = request.session['currency']
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user_name = request.user
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article = Article.objects.get(id=article_id)
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restrict_cart_to_one_article(user_name, article_id, amount)
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try:
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# lookup if cart_id is already existent:
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cart_id = ShoppingCart.objects.get(user=request.user)
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except:
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# if cart_id is not existent create a cart:
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cart_id = ShoppingCart.objects.create(user=request.user)
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cart_id.save()
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if cart_id:
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# check if the article is existent in cart already:
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try:
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article_amount = CartPosition.objects.get(
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article=article_id)
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new_amount = article_amount.amount + amount
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# if article is in cart already update amount:
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cart_position = CartPosition.objects.filter(
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id=article_id).update(
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amount=new_amount
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)
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except Exception as e:
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# if the article is not in cart yet add full item:
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cart_position = CartPosition.objects.create(
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article=article,
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amount=amount,
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position_price=article.price_in_chf,
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cart=ShoppingCart.objects.get(user=request.user)
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)
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cart_position.save()
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# write default value (1) to form field:
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# write default value (1) to form field:
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amount = AddToCartForm()
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amount = AddToCartForm()
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else:
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else:
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@ -202,7 +206,7 @@ def cart(request):
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prices_in_cart = []
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prices_in_cart = []
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totalprice_list = []
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totalprice_list = []
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total = 0
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total = 0
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user_name = request.user
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# here we configure the users Currency:
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# here we configure the users Currency:
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if not 'currency' in request.session:
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if not 'currency' in request.session:
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request.session['currency'] = None
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request.session['currency'] = None
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@ -223,7 +227,7 @@ def cart(request):
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cart_position_list = list(articles)
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cart_position_list = list(articles)
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# scrap out the details to calculate Total of item and Summ of All:
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# scrap out the details to calculate Total of item and Summ of All:
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for idx, cart_position in enumerate(cart_position_list):
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for idx, cart_position in enumerate(cart_position_list):
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article = CartPosition.objects.get(
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article = CartPosition.objects.filter(
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cart=cart_id,
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cart=cart_id,
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article=cart_position.article.id
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article=cart_position.article.id
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)
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)
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@ -241,7 +245,7 @@ def cart(request):
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cart_position_list[idx] = cart_position
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cart_position_list[idx] = cart_position
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amount_form = CartForm(
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amount_form = CartForm(
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initial=cart_position.amount
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# initial=cart_position.amount
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)
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)
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total = sum(totalprice_list)
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total = sum(totalprice_list)
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@ -263,28 +267,19 @@ def cart(request):
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else:
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else:
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request.session['currency'] = None
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request.session['currency'] = None
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# here we react to a change of amount per item in the Cart:
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# here we react to a change of amount per item in the Cart:
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if 'amount_field' in request.POST:
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if 'amount_form' in request.POST:
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print('yes amount post')
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print('yes amount post')
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amount_form = CartForm(request.POST,
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amount_form = CartForm(request.POST)
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cart_id,
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cart_position.article.id)
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if amount_form.is_valid():
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if amount_form.is_valid():
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amount = amount_form.cleaned_data['amount']
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amount = amount_form.cleaned_data['amount_form']
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article = Article.objects.get(id=article_id)
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article_id = request.POST.get('article_id')
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try:
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restrict_cart_to_one_article(user_name, article_id, amount)
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cart_id = ShoppingCart.objects.get(user=request.user)
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article = CartPosition.objects.get(article=article_id)
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except:
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articleamount = article.amount
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cart_id = ShoppingCart.objects.create(user=request.user)
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print('articleamount', articleamount)
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cart_id.save()
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amount_form = CartForm(
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if cart_id:
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initial=articleamount
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cart_position = CartPosition.objects.create(
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article=article,
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amount=amount,
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cart=ShoppingCart.objects.get(user=request.user)
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)
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)
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cart_position.save()
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amount = CartForm.ChangeAmount()
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if 'checkout' in request.POST:
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if 'checkout' in request.POST:
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print('checkout')
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print('checkout')
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checkout_form = CheckoutForm(request.POST)
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checkout_form = CheckoutForm(request.POST)
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