Check stock when incrementing orderproduct quantity.
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@ -55,9 +55,13 @@ Shop | {{ block.super }}
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<a href="{% url 'shop:product_detail' slug=product.slug %}">
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{{ product.name }}
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</a>
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{% if product.stock_amount and product.left_in_stock <= 10 %}
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{% if product.stock_amount %}
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<div class="label label-danger">
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Only {{ product.left_in_stock }} left!
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{% if product.left_in_stock == 0 %}
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Sold out!
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{% elif product.left_in_stock <= 10 %}
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Only {{ product.left_in_stock }} left!
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{% endif %}
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</div>
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{% endif %}
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</td>
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@ -335,6 +335,20 @@ class OrderDetailView(LoginRequiredMixin, EnsureUserOwnsOrderMixin, EnsureOrderH
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order_product_id = str(order_product.pk)
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if order_product_id in request.POST:
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new_quantity = int(request.POST.get(order_product_id))
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if order_product.quantity < new_quantity:
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# We are incrementing and thus need to check stock
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incrementing_by = new_quantity - order_product.quantity
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if incrementing_by > order_product.product.left_in_stock:
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messages.error(
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request,
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"Sadly we only have {} '{}' left in stock.".format(
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order_product.product.left_in_stock,
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order_product.product.name,
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)
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)
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return super(OrderDetailView, self).get(request, *args, **kwargs)
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order_product.quantity = new_quantity
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order_product.save()
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order.customer_comment = request.POST.get('customer_comment') or ''
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