| ID | +POS. | +ART# | NAME | STOCK | AMOUNT | -PRICE | +PRICE p.pce. | +POSITION PRICE |
|---|---|---|---|---|---|---|---|---|
| {{ article.id }} | +{{ article.article.id }} | - + {{ article.article.name }} - | + +{{ article.article.stock }} | {{ article.amount }} | -{{ article.article.price_in_chf }} {{ currency_name }} | ++ {{ article.article.price_in_chf }} + {{ currency_name }} + | +{{ article.position_price }} | |
| + Total: {{ total }} + | +||||||||
diff --git a/django/didgeridoo/webshop/views.py b/django/didgeridoo/webshop/views.py index 5b6a776..cb4d5b3 100644 --- a/django/didgeridoo/webshop/views.py +++ b/django/didgeridoo/webshop/views.py @@ -3,17 +3,23 @@ from django.shortcuts import get_object_or_404, render from django.contrib.auth.decorators import login_required from django.contrib.auth.models import User from django.contrib.auth.forms import UserCreationForm -from django.db import transaction -from webshop.models import (Article, Category, ArticleStatus, Person, - City, Picture, CartPosition, ShoppingCart) -from webshop.forms import RegistrationForm, AddToCartForm +from webshop.models import (Article, + Category, + ArticleStatus, + Person, + City, + Picture, + CartPosition, + ShoppingCart) +from webshop.forms import (RegistrationForm, + AddToCartForm, + CartForm) from currencies.models import ExchangeRate, ExchangeRate_name from currencies.forms import CurrenciesForm +from decimal import Decimal -# Create your views here. - def get_categories(): parent_category_list = Category.objects.filter(parent_category=None) category_list = {} @@ -127,11 +133,9 @@ def article_details(request, article_id): picture_list = Picture.objects.filter(article=article_id) if request.method == 'POST': - print(request.POST) # hier wird das Currency dropdown bearbeitet: if 'currencies' in request.POST: currencies_form = CurrenciesForm(request.POST) - print("currencies_form") if currencies_form.is_valid(): cf = currencies_form.cleaned_data if cf['currencies']: @@ -145,27 +149,36 @@ def article_details(request, article_id): # hier wird der Artikel in den Wahrenkorb transferiert: if 'amount' in request.POST: amount = AddToCartForm(request.POST) - print("add_to_cart_form") if amount.is_valid(): - print("is valid") amount = amount.cleaned_data['amount'] currency_id = request.session['currency'] - print("amount:", amount, - "article_id:", article_id, - "currency_id:", currency_id) article = Article.objects.get(id=article_id) try: + # lookup if cart_id is already existent: cart_id = ShoppingCart.objects.get(user=request.user) except: + # if cart_id is not existent create a cart: cart_id = ShoppingCart.objects.create(user=request.user) cart_id.save() if cart_id: - cart_position = CartPosition.objects.create( - article=article, - amount=amount, - cart=ShoppingCart.objects.get(user=request.user) - ) - cart_position.save() + # 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 article is in cart already update amount: + cart_position = CartPosition.objects.update( + amount=new_amount + ) + except Exception as e: + # if the article is not in cart yet add full item: + cart_position = CartPosition.objects.create( + article=article, + amount=amount, + cart=ShoppingCart.objects.get(user=request.user) + ) + cart_position.save() + # write default value (1) to form field: amount = AddToCartForm() else: amount = AddToCartForm() @@ -236,41 +249,82 @@ def cart(request): message = "" cart_id = False articles_list = "" + prices_in_cart = [] + totalprice_list = [] + total = 0 if not 'currency' in request.session: request.session['currency'] = None + else: + currency = request.session['currency'] if request.method == 'POST': - currencies_form = CurrenciesForm(request.POST) - if currencies_form.is_valid(): - cf = currencies_form.cleaned_data - if cf['currencies']: - selection = cf['currencies'] - request.session['currency'] = selection.id - currency_name = ExchangeRate_name.objects.get(id=selection.id) - else: - request.session['currency'] = None - + # here we react to a currency dropdown change: + if 'currencies' in request.POST: + currencies_form = CurrenciesForm(request.POST) + if currencies_form.is_valid(): + cf = currencies_form.cleaned_data + if cf['currencies']: + selection = cf['currencies'] + request.session['currency'] = selection.id + currency_name = ExchangeRate_name.objects.get( + id=selection.id) + else: + request.session['currency'] = None + # here we react to a change of amount per item in the Cart: + if 'amount' in request.POST: + print(request.POST) + amount = CartForm.ChangeAmount(request.POST) + if amount.is_valid(): + amount = amount.cleaned_data['amount'] + article = Article.objects.get(id=article_id) + try: + cart_id = ShoppingCart.objects.get(user=request.user) + except: + cart_id = ShoppingCart.objects.create(user=request.user) + cart_id.save() + if cart_id: + cart_position = CartPosition.objects.create( + article=article, + amount=amount, + cart=ShoppingCart.objects.get(user=request.user) + ) + cart_position.save() + amount = CartForm.ChangeAmount() + else: + amount = AddToCartForm() + # if the cart_id is set the user has already added items to cart. try: cart_id = ShoppingCart.objects.get(user=request.user) except Exception as e: message = "You have no items in the Basket" - if cart_id and request.session['currency']: + + if cart_id: articles = CartPosition.objects.filter(cart=cart_id) articles_list = list(articles) - currency = request.session['currency'] + # scrap out the details to calculate Total of item and Summ of All: for idx, article in enumerate(articles_list): - article.price_in_chf = rate.exchange( - currency, article.article.price_in_chf) + print(article, idx) + article.calculate_position_price() + if currency: + article.price_in_chf = rate.exchange( + currency, article.article.price_in_chf) + # get currencyname to display: + currency_name = ExchangeRate_name.objects.get(id=currency) + # get exchange_rate multiplyed: + article.price_in_chf = rate.exchange( + currency, + article.price_in_chf) + amount = Decimal.from_float(article.amount) + totalprice_list.append(article.position_price) articles_list[idx] = article - currency_name = ExchangeRate_name.objects.get(id=currency) - article.price_in_chf = rate.exchange(currency, article.price_in_chf) - else: - articles = CartPosition.objects.filter(cart=cart_id) - articles_list = list(articles) + + total = sum(totalprice_list) return render(request, 'webshop/cart.html', {'articles_list': articles_list, + 'totalprice_list': totalprice_list, + 'total': total, 'currencies_form': currencies_form, 'article_view': article_view, 'currency_name': currency_name,