symposion_app/registrasion/views.py
2016-03-26 14:03:25 +11:00

242 lines
7.5 KiB
Python

from registrasion import forms
from registrasion import models as rego
from registrasion.controllers import discount
from registrasion.controllers.cart import CartController
from registrasion.controllers.invoice import InvoiceController
from registrasion.controllers.product import ProductController
from django.contrib.auth.decorators import login_required
from django.core.exceptions import ObjectDoesNotExist
from django.core.exceptions import ValidationError
from django.db import transaction
from django.shortcuts import redirect
from django.shortcuts import render
@login_required
def guided_registration(request, page_id=0):
''' Goes through the registration process in order,
making sure user sees all valid categories.
WORK IN PROGRESS: the finalised version of this view will allow
grouping of categories into a specific page. Currently, it just goes
through each category one by one
'''
dashboard = redirect("dashboard")
next_step = redirect("guided_registration")
attendee = rego.Attendee.get_instance(request.user)
if attendee.completed_registration:
return dashboard
# Step 1: Fill in a badge
profile = rego.BadgeAndProfile.get_instance(attendee)
if profile is None:
ret = edit_profile(request)
profile_new = rego.BadgeAndProfile.get_instance(attendee)
if profile_new is None:
# No new profile was created
return ret
else:
return next_step
# Step 2: Go through each of the categories in order
category = attendee.highest_complete_category
# Get the next category
cats = rego.Category.objects
cats = cats.filter(id__gt=category).order_by("order")
if len(cats) == 0:
# We've filled in every category
attendee.completed_registration = True
attendee.save()
return dashboard
ret = product_category(request, cats[0].id)
attendee_new = rego.Attendee.get_instance(request.user)
if attendee_new.highest_complete_category == category:
# We've not yet completed this category
return ret
else:
return next_step
@login_required
def edit_profile(request):
attendee = rego.Attendee.get_instance(request.user)
try:
profile = rego.BadgeAndProfile.objects.get(attendee=attendee)
except ObjectDoesNotExist:
profile = None
form = forms.ProfileForm(request.POST or None, instance=profile)
if request.POST and form.is_valid():
form.instance.attendee = attendee
form.save()
data = {
"form": form,
}
return render(request, "profile_form.html", data)
@login_required
def product_category(request, category_id):
''' Registration selections form for a specific category of items.
'''
PRODUCTS_FORM_PREFIX = "products"
VOUCHERS_FORM_PREFIX = "vouchers"
category_id = int(category_id) # Routing is [0-9]+
category = rego.Category.objects.get(pk=category_id)
current_cart = CartController.for_user(request.user)
attendee = rego.Attendee.get_instance(request.user)
products = rego.Product.objects.filter(category=category)
products = products.order_by("order")
products = ProductController.available_products(
request.user,
products=products,
)
ProductsForm = forms.ProductsForm(products)
if request.method == "POST":
cat_form = ProductsForm(
request.POST,
request.FILES,
prefix=PRODUCTS_FORM_PREFIX)
voucher_form = forms.VoucherForm(
request.POST,
prefix=VOUCHERS_FORM_PREFIX)
if (voucher_form.is_valid() and
voucher_form.cleaned_data["voucher"].strip()):
# Apply voucher
# leave
voucher = voucher_form.cleaned_data["voucher"]
try:
current_cart.apply_voucher(voucher)
except Exception as e:
voucher_form.add_error("voucher", e)
# Re-visit current page.
elif cat_form.is_valid():
try:
handle_valid_cat_form(cat_form, current_cart)
except ValidationError:
pass
# If category is required, the user must have at least one
# in an active+valid cart
if category.required:
carts = rego.Cart.reserved_carts()
carts = carts.filter(user=request.user)
items = rego.ProductItem.objects.filter(
product__category=category,
cart=carts,
)
if len(items) == 0:
cat_form.add_error(
None,
"You must have at least one item from this category",
)
if not cat_form.errors:
if category_id > attendee.highest_complete_category:
attendee.highest_complete_category = category_id
attendee.save()
return redirect("dashboard")
else:
# Create initial data for each of products in category
items = rego.ProductItem.objects.filter(
product__category=category,
cart=current_cart.cart,
)
quantities = []
for product in products:
# Only add items that are enabled.
try:
quantity = items.get(product=product).quantity
except ObjectDoesNotExist:
quantity = 0
quantities.append((product, quantity))
cat_form = ProductsForm(
prefix=PRODUCTS_FORM_PREFIX,
product_quantities=quantities,
)
voucher_form = forms.VoucherForm(prefix=VOUCHERS_FORM_PREFIX)
discounts = discount.available_discounts(request.user, [], products)
data = {
"category": category,
"discounts": discounts,
"form": cat_form,
"voucher_form": voucher_form,
}
return render(request, "product_category.html", data)
@transaction.atomic
def handle_valid_cat_form(cat_form, current_cart):
for product_id, quantity, field_name in cat_form.product_quantities():
product = rego.Product.objects.get(pk=product_id)
try:
current_cart.set_quantity(product, quantity, batched=True)
except ValidationError as ve:
cat_form.add_error(field_name, ve)
if cat_form.errors:
raise ValidationError("Cannot add that stuff")
current_cart.end_batch()
@login_required
def checkout(request):
''' Runs checkout for the current cart of items, ideally generating an
invoice. '''
current_cart = CartController.for_user(request.user)
current_invoice = InvoiceController.for_cart(current_cart.cart)
return redirect("invoice", current_invoice.invoice.id)
@login_required
def invoice(request, invoice_id):
''' Displays an invoice for a given invoice id. '''
invoice_id = int(invoice_id)
inv = rego.Invoice.objects.get(pk=invoice_id)
current_invoice = InvoiceController(inv)
data = {
"invoice": current_invoice.invoice,
}
return render(request, "invoice.html", data)
@login_required
def pay_invoice(request, invoice_id):
''' Marks the invoice with the given invoice id as paid.
WORK IN PROGRESS FUNCTION. Must be replaced with real payment workflow.
'''
invoice_id = int(invoice_id)
inv = rego.Invoice.objects.get(pk=invoice_id)
current_invoice = InvoiceController(inv)
if not inv.paid and current_invoice.is_valid():
current_invoice.pay("Demo invoice payment", inv.value)
return redirect("invoice", current_invoice.invoice.id)