100 lines
3.4 KiB
Python
100 lines
3.4 KiB
Python
from registrasion import forms
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from registrasion import models as rego
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from registrasion.controllers.cart import CartController
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from registrasion.controllers.invoice import InvoiceController
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from registrasion.controllers.product import ProductController
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from django.contrib.auth.decorators import login_required
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from django.core.exceptions import ObjectDoesNotExist
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from django.core.exceptions import ValidationError
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from django.db import transaction
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from django.shortcuts import redirect
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from django.shortcuts import render
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@login_required
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def product_category(request, category_id):
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''' Registration selections form for a specific category of items '''
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category_id = int(category_id) # Routing is [0-9]+
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category = rego.Category.objects.get(pk=category_id)
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CategoryForm = forms.CategoryForm(category)
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products = rego.Product.objects.filter(category=category)
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products = products.order_by("order")
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if request.method == "POST":
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cat_form = CategoryForm(request.POST, request.FILES)
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if cat_form.is_valid():
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current_cart = CartController.for_user(request.user)
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try:
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with transaction.atomic():
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for product_id, quantity, field_name \
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in cat_form.product_quantities():
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product = rego.Product.objects.get(pk=product_id)
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try:
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current_cart.set_quantity(
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product, quantity, batched=True)
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except ValidationError as ve:
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cat_form.add_error(field_name, ve)
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if cat_form.errors:
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raise ValidationError("Cannot add that stuff")
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current_cart.end_batch()
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except ValidationError as ve:
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pass
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else:
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# Create initial data for each of products in category
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items = rego.ProductItem.objects.filter(product__category=category)
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quantities = []
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for product in products:
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# Only add items that are enabled.
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prod = ProductController(product)
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try:
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quantity = items.get(product=product).quantity
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except ObjectDoesNotExist:
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quantity = 0
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quantities.append((product, quantity))
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initial = CategoryForm.initial_data(quantities)
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cat_form = CategoryForm(initial=initial)
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for product in products:
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# Remove fields that do not have an enabling condition.
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prod = ProductController(product)
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if not prod.can_add_with_enabling_conditions(request.user, 0):
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cat_form.disable_product(product)
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data = {
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"category": category,
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"form": cat_form,
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}
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return render(request, "product_category.html", data)
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@login_required
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def checkout(request):
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''' Runs checkout for the current cart of items, ideally generating an
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invoice. '''
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current_cart = CartController.for_user(request.user)
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current_invoice = InvoiceController.for_cart(current_cart.cart)
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return redirect("invoice", current_invoice.invoice.id)
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@login_required
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def invoice(request, invoice_id):
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''' Displays an invoice for a given invoice id. '''
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invoice_id = int(invoice_id)
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inv = rego.Invoice.objects.get(pk=invoice_id)
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current_invoice = InvoiceController(inv)
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data = {
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"invoice": current_invoice.invoice,
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}
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return render(request, "invoice.html", data)
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