343 lines
14 KiB
Python
343 lines
14 KiB
Python
from django.http import HttpResponseRedirect
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from django.shortcuts import get_object_or_404, render
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from django.contrib.auth.decorators import login_required
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from django.contrib.auth.models import User
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from django.contrib.auth.forms import UserCreationForm
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from django.db import transaction
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from webshop.models import (Article,
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Category,
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Person,
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City,
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Picture,
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CartPosition,
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ShoppingCart)
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from webshop.forms import (RegistrationForm,
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AddToCartForm,
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CartForm,
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CheckoutForm)
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from webshop.utils import (get_categories,
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get_hidden_status_id,
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process_article_prices)
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from currencies.models import ExchangeRate, ExchangeRate_name
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from currencies.forms import CurrenciesForm
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def index(request):
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category_list = get_categories()
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currencies_form = CurrenciesForm
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article_view = True
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articles = Article.objects.all().exclude(status=get_hidden_status_id())
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return_values = process_article_prices(request, articles)
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articles_list = return_values['articles_list']
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currency_name = return_values['currency_name']
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return render(request,
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'webshop/index.html',
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{'category_list': category_list,
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'articles_list': articles_list,
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'currencies_form': currencies_form,
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'article_view': article_view,
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'currency_name': currency_name})
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def articles_in_category(request, category_id):
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category_list = get_categories()
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selected_category = Category.objects.get(id=category_id)
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currencies_form = CurrenciesForm
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article_view = True
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articles = Article.objects.filter(
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category=selected_category.id).exclude(status=get_hidden_status_id())
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return_values = process_article_prices(request, articles)
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articles_list = return_values['articles_list']
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currency_name = return_values['currency_name']
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return render(request, 'webshop/category.html',
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{'articles_list': articles_list,
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'category_list': category_list,
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'currencies_form': currencies_form,
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'article_view': article_view,
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'currency_name': currency_name,
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'category': selected_category})
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def restrict_cart_to_one_article(user_name, article_id, amount, operation):
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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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print('restrict_cart_to_one_article cart_id:', 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 = CartPosition.objects.get(
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article=article_id)
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if operation == 'add':
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new_amount = article.amount + amount
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print('restrict_cart_to_one_article add new_amount:', new_amount,
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'article_id', article_id)
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if operation == 'replace':
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new_amount = amount # ref two times check later !!
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print('restrict_cart_to_one_article replace:', new_amount,
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'article_id', article_id)
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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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if operation == 'delete':
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article.delete()
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print('restrict_cart_to_one_article delete article_id:', article_id)
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except Exception as e:
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print('restrict_cart_to_one_article except: ', 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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category_list = get_categories()
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currencies_form = CurrenciesForm
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amount = AddToCartForm
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rate = ExchangeRate
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article_view = True
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currency_name = "CHF"
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if 'currency' not in request.session:
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request.session['currency'] = None
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article = get_object_or_404(Article, pk=article_id)
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picture_list = Picture.objects.filter(article=article_id)
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if request.method == 'POST':
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# hier wird das Currency dropdown bearbeitet:
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if 'currencies' in request.POST:
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currencies_form = CurrenciesForm(request.POST)
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if currencies_form.is_valid():
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cf = currencies_form.cleaned_data
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if cf['currencies']:
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selection = cf['currencies']
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request.session['currency'] = selection.id
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currency_name = ExchangeRate_name.objects.get(
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id=selection.id)
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else:
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request.session['currency'] = None
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# hier wird der Artikel in den Wahrenkorb transferiert:
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if 'amount' in request.POST:
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amount = AddToCartForm(request.POST)
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if amount.is_valid():
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amount = amount.cleaned_data['amount']
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user_name = request.user
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operation = 'add'
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restrict_cart_to_one_article(
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user_name,
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article_id,
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amount,
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operation
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)
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# write default value (1) to form field:
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amount = AddToCartForm()
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else:
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amount = AddToCartForm()
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if request.session['currency']:
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currency = request.session['currency']
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article.price_in_chf = rate.exchange(currency, article.price_in_chf)
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currency_name = ExchangeRate_name.objects.get(id=currency)
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return render(request, 'webshop/article_details.html',
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{'article': article,
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'category_list': category_list,
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'currencies_form': currencies_form,
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'article_view': article_view,
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'currency_name': currency_name,
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'picture_list': picture_list,
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'amount': amount
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})
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@login_required
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def profile(request):
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category_list = get_categories()
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person = Person.objects.get(user=request.user)
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return render(request, 'registration/profile.html',
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{'person': person,
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'category_list': category_list})
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def registration(request):
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category_list = get_categories()
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if request.method == 'POST':
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profile_form = RegistrationForm(request.POST)
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user_form = UserCreationForm(request.POST)
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if (profile_form.is_valid() and user_form.is_valid()):
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with transaction.atomic():
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pf = profile_form.cleaned_data
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uf = user_form.cleaned_data
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user = User.objects.create_user(uf['username'],
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pf['email'],
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uf['password2'])
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user.last_name = pf['last_name']
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user.first_name = pf['first_name']
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user.save()
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person = Person.objects.create(
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salutation=pf['salutation'],
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city=City.objects.get(zip_code=pf['zip_code'],
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name=pf['city']),
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street_name=pf['street_name'],
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street_number=pf['street_number'],
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user=user)
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return HttpResponseRedirect('/login/')
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else:
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profile_form = RegistrationForm
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user_form = UserCreationForm
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return render(request, 'registration/register.html',
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{'profile_form': profile_form,
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'category_list': category_list,
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'user_form': user_form})
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def cart(request):
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category_list = get_categories()
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currencies_form = CurrenciesForm
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amount_form = CartForm
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rate = ExchangeRate
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article_view = True
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currency_name = "CHF"
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message = ""
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cart_position_list = []
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amount_form_list = []
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totalprice_list = []
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total = 0
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user_name = request.user
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cart_position_list_zip = []
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# here we configure the users Currency:
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if 'currency' not in request.session:
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request.session['currency'] = None
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else:
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currency = request.session['currency']
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# Here we handle all POST Operations:
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if request.method == 'POST':
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print(request.POST)
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# here we react to a currency dropdown change:
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if 'currencies' in request.POST:
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print('currencies')
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currencies_form = CurrenciesForm(request.POST)
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if currencies_form.is_valid():
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cf = currencies_form.cleaned_data
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if cf['currencies']:
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selection = cf['currencies']
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request.session['currency'] = selection.id
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currency_name = ExchangeRate_name.objects.get(
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id=selection.id)
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else:
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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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if 'amount_form' in request.POST:
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print('amount_form yes amount post')
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amount_form = CartForm(request.POST)
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if amount_form.is_valid():
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amount = amount_form.cleaned_data['amount_form']
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article_id = request.POST.get('article_id')
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operation = 'replace'
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restrict_cart_to_one_article(
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user_name,
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article_id,
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amount,
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operation
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)
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# here we react to a change of amount per item in the Cart:
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if 'delete' in request.POST:
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print('delete yes delete post')
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delete = CartForm(request.POST)
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if delete.is_valid():
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amount = delete.cleaned_data['amount_form']
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article_id = request.POST.get('article_id')
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amount = 1
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operation = 'delete'
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restrict_cart_to_one_article(
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user_name,
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article_id,
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amount,
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operation
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)
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if 'checkout' in request.POST:
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print('checkout')
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checkout_form = CheckoutForm(request.POST)
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if checkout_form.is_valid():
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checkout_form = checkout_form.cleaned_data['checkout']
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print('views checkout checkout_form', checkout_form)
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if checkout_form is True:
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# todo add to order
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order = ''
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# here we handle the normal cart view:
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# if the cart_id is set the user has already added items to cart.
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try:
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cart_id = ShoppingCart.objects.get(user=request.user.id)
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except Exception as e:
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message = "You have no items in the Basket"
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print('try cart_id exception as: ', e)
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cart_id = False
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if cart_id:
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print('cart cart_id', cart_id)
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# get all items in the cart of this customer:
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articles = CartPosition.objects.filter(cart=cart_id)
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# make a list out of all articles:
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cart_position_list = list(articles)
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# enumerate the list of articles and loop over items:
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for idx, cart_position in enumerate(cart_position_list):
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# sub funciton of CartPosition:
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cart_position.calculate_position_price()
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# scrap out the details to calculate Total of item and Summ of All:
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if currency:
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print('calc currency')
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# get currencyname to display:
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currency_name = ExchangeRate_name.objects.get(id=currency)
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# get exchange_rate multiplyed:
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cart_position.price_in_chf = rate.exchange(
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currency,
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cart_position.article.price_in_chf
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)
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totalprice_list.append(cart_position.price_in_chf)
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print('cart cart_position.article.id', cart_position.article.id,
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'articleamount:', cart_position.amount)
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amount_form = CartForm(
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initial={'amount_form': cart_position.amount}
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)
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amount_form_list.append(amount_form)
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cart_position_list[idx] = cart_position
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cart_position_list_zip = zip(cart_position_list, amount_form_list)
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total = sum(totalprice_list)
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checkout_form = CheckoutForm()
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return render(request, 'webshop/cart.html',
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{'cart_position_list_zip': cart_position_list_zip,
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'totalprice_list': totalprice_list,
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'total': total,
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'currencies_form': currencies_form,
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'amount_form': amount_form,
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'article_view': article_view,
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'currency_name': currency_name,
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'category_list': category_list,
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'message': message,
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})
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