add amountform not working yet

django/didgeridoo/webshop/forms.py

@@ -69,9 +69,9 @@ class AddToCartForm(forms.Form):
 
 class CartForm(forms.Form):
     print('CartForm')
-    def ChangeAmount(self, _article_id):
+    def ChangeAmount(self, _cart_id, _article_id):
         print('CartForm.ChangeAmount')
-        article = CartPosition.objects.filter(pk=_article_id)
+        article = CartPosition.objects.get(cart=_cart_id, article=_article_id)
         amountfield = forms.IntegerField(
             label='pce',
             help_text='Enter a Value between 1 and 99.',

django/didgeridoo/webshop/models.py

@@ -104,7 +104,7 @@ class ShoppingCart(models.Model):
     user = models.ForeignKey(User, on_delete=models.CASCADE)
 
     def __str__(self):
-        return self.name
+        return str(self.id)
 
 
 class CartPosition(models.Model):

django/didgeridoo/webshop/templates/webshop/cart.html

@@ -2,7 +2,7 @@
 {% block section_title %}<h1>Cart</h1>{% endblock %}
 {% block content %}
     <h3>List of Items in your Shopping Cart:</h3>
-    {% if articles_list %}
+    {% if cart_position_list %}
       <table class="table">
         <tr class="table_header">
           <th scope="col">POS.</th>
@@ -13,16 +13,16 @@
           <th scope="col">PRICE p.pce.</th>
           <th scope="col">POSITION PRICE</th>
         </tr>
-        {% for article in articles_list %}
+        {% for cart_position in cart_position_list %}
           <tr class="table_content">
-            <td scope="col">{{ article.id }}</td>
+            <td scope="col">{{ cart_position.id }}</td>
-            <td scope="col">{{ article.article.id }}</td>
+            <td scope="col">{{ cart_position.article.id }}</td>
             <td scope="col">
-              <a href="{% url 'details' article.article.id %}">
+              <a href="{% url 'details' cart_position.article.id %}">
-                {{ article.article.name }}
+                {{ cart_position.article.name }}
               </a>
             </td>
-            <td scope="col">{{ article.article.stock }}</td>
+            <td scope="col">{{ cart_position.article.stock }}</td>
             <td scope="col">
               <form id="amountfield" action="" method="POST" novalidate>
                 {{ CartForm }}
@@ -32,10 +32,10 @@
               <!-- {{ article.amount }} -->
             </td>
             <td scope="col">
-              {{ article.article.price_in_chf }}
+              {{ cart_position.article.price_in_chf }}
               {{ currency_name }}
             </td>
-            <td scope="col">{{ article.position_price }} {{ currency_name }}</td>
+            <td scope="col">{{ cart_position.position_price }} {{ currency_name }}</td>
           </tr>
         {% endfor %}
         <tr>
@@ -44,11 +44,6 @@
           </td>
         </tr>
       </table>
-      <form id="checkout" method="post">
-        {% csrf_token %}
-        {{ checkout_form.as_p }}
-        <input type="submit" value="checkout ->" />
-      </form>
     {% else %}
       <p class="alert alert-danger">
         <strong>

django/didgeridoo/webshop/templates/webshop/checkout.html

@@ -0,0 +1,60 @@
+{% extends "webshop/base.html" %}
+{% block section_title %}<h1>Cart</h1>{% endblock %}
+{% block content %}
+    <h3>List of Items in your Shopping Cart:</h3>
+    {% if articles_list %}
+      <table class="table">
+        <tr class="table_header">
+          <th scope="col">POS.</th>
+          <th scope="col">ART#</th>
+          <th scope="col">NAME</th>
+          <th scope="col">STOCK</th>
+          <th scope="col">AMOUNT</th>
+          <th scope="col">PRICE p.pce.</th>
+          <th scope="col">POSITION PRICE</th>
+        </tr>
+        {% for article in articles_list %}
+          <tr class="table_content">
+            <td scope="col">{{ article.id }}</td>
+            <td scope="col">{{ article.article.id }}</td>
+            <td scope="col">
+              <a href="{% url 'details' article.article.id %}">
+                {{ article.article.name }}
+              </a>
+            </td>
+            <td scope="col">{{ article.article.stock }}</td>
+            <td scope="col">
+              {{ article.amount }}
+            </td>
+            <td scope="col">
+              {{ article.article.price_in_chf }}
+              {{ currency_name }}
+            </td>
+            <td scope="col">{{ article.position_price }} {{ currency_name }}</td>
+          </tr>
+        {% endfor %}
+        <tr>
+          <td scope="col" colspan="7" class="text-right">
+            Total: {{ total }} {{ currency_name }}
+          </td>
+        </tr>
+      </table>
+      <form id="checkout" method="post">
+        {% csrf_token %}
+        {{ checkout_form.as_p }}
+        <input type="submit" value="checkout ->" />
+      </form>
+    {% else %}
+      <p class="alert alert-danger">
+        <strong>
+          This cart seams to lack some Items.
+          Go get some in the store!
+        <strong>
+      </p>
+    {% endif %}
+    <p class="alert text-danger">
+      <strong>
+        {{ message }}
+      <strong>
+    </p>
+{% endblock %}

django/didgeridoo/webshop/views.py

@@ -252,40 +252,41 @@ def cart(request):
                 if checkout_form is True:
                     # add to order
                     order = ''
-        else:
-            message = 'Plese accept our General Terms and Conditions!'
-            print('else')
 
     checkout_form = CheckoutForm()
     # if the cart_id is set the user has already added items to cart.
     try:
-        cart_id = ShoppingCart.objects.get(user=request.user)
+        cart_id = ShoppingCart.objects.get(user=request.user.id)
     except Exception as e:
         message = "You have no items in the Basket"
-
+        print('try cart_id exception as: ', e)
+        cart_id = False
     if cart_id:
+        print('cart_id', cart_id)
         articles = CartPosition.objects.filter(cart=cart_id)
-        articles_list = list(articles)
+        cart_position_list = list(articles)
         # scrap out the details to calculate Total of item and Summ of All:
-        for idx, article in enumerate(articles_list):
+        for idx, cart_position in enumerate(cart_position_list):
-            article.calculate_position_price()
+            cart_position.calculate_position_price()
             if currency:
-                article.price_in_chf = rate.exchange(
+                cart_position.price_in_chf = rate.exchange(
-                    currency, article.article.price_in_chf)
+                    currency, cart_position.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(
+                cart_position.price_in_chf = rate.exchange(
-                    currency,
+                                                    currency,
-                    article.price_in_chf)
+                                                    article.price_in_chf)
-            amount = CartForm.ChangeAmount(request.POST, article.id)
+            amount = CartForm.ChangeAmount(request.POST,
-            totalprice_list.append(article.position_price)
+                                           cart_id,
-            articles_list[idx] = article
+                                           cart_position.article.id)
+            totalprice_list.append(cart_position.position_price)
+            cart_position_list[idx] = cart_position
 
     total = sum(totalprice_list)
 
     return render(request, 'webshop/cart.html',
-                  {'articles_list': articles_list,
+                  {'cart_position_list': cart_position_list,
                    'totalprice_list': totalprice_list,
                    'total': total,
                    'currencies_form': currencies_form,