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Location: symposion_app/registrasion/views.py - annotation
9e215d1575ed
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text/x-python
Merge branch 'master' into documentation
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680ce689f635 | import sys
from registrasion import forms
from registrasion.models import commerce
from registrasion.models import inventory
from registrasion.models import people
from registrasion.controllers import discount
from registrasion.controllers.cart import CartController
from registrasion.controllers.credit_note import CreditNoteController
from registrasion.controllers.invoice import InvoiceController
from registrasion.controllers.product import ProductController
from registrasion.exceptions import CartValidationError
from collections import namedtuple
from django.conf import settings
from django.contrib.auth.decorators import login_required
from django.contrib import messages
from django.core.exceptions import ObjectDoesNotExist
from django.core.exceptions import ValidationError
from django.http import Http404
from django.shortcuts import get_object_or_404
from django.shortcuts import redirect
from django.shortcuts import render
GuidedRegistrationSection = namedtuple(
"GuidedRegistrationSection",
(
"title",
"discounts",
"description",
"form",
)
)
GuidedRegistrationSection.__new__.__defaults__ = (
(None,) * len(GuidedRegistrationSection._fields)
)
def get_form(name):
dot = name.rindex(".")
mod_name, form_name = name[:dot], name[dot + 1:]
__import__(mod_name)
return getattr(sys.modules[mod_name], form_name)
@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
'''
SESSION_KEY = "guided_registration_categories"
ASK_FOR_PROFILE = 777 # Magic number. Meh.
next_step = redirect("guided_registration")
sections = []
attendee = people.Attendee.get_instance(request.user)
if attendee.completed_registration:
return render(
request,
"registrasion/guided_registration_complete.html",
{},
)
# Step 1: Fill in a badge and collect a voucher code
try:
profile = attendee.attendeeprofilebase
except ObjectDoesNotExist:
profile = None
# Figure out if we need to show the profile form and the voucher form
show_profile_and_voucher = False
if SESSION_KEY not in request.session:
if not profile:
show_profile_and_voucher = True
else:
if request.session[SESSION_KEY] == ASK_FOR_PROFILE:
show_profile_and_voucher = True
if show_profile_and_voucher:
# Keep asking for the profile until everything passes.
request.session[SESSION_KEY] = ASK_FOR_PROFILE
voucher_form, voucher_handled = handle_voucher(request, "voucher")
profile_form, profile_handled = handle_profile(request, "profile")
voucher_section = GuidedRegistrationSection(
title="Voucher Code",
form=voucher_form,
)
profile_section = GuidedRegistrationSection(
title="Profile and Personal Information",
form=profile_form,
)
title = "Attendee information"
current_step = 1
sections.append(voucher_section)
sections.append(profile_section)
else:
# We're selling products
starting = attendee.guided_categories_complete.count() == 0
# Get the next category
cats = inventory.Category.objects
if SESSION_KEY in request.session:
_cats = request.session[SESSION_KEY]
cats = cats.filter(id__in=_cats)
else:
cats = cats.exclude(
id__in=attendee.guided_categories_complete.all(),
)
cats = cats.order_by("order")
request.session[SESSION_KEY] = []
if starting:
# Only display the first Category
title = "Select ticket type"
current_step = 2
cats = [cats[0]]
else:
# Set title appropriately for remaining categories
current_step = 3
title = "Additional items"
all_products = inventory.Product.objects.filter(
category__in=cats,
).select_related("category")
available_products = set(ProductController.available_products(
request.user,
products=all_products,
))
if len(available_products) == 0:
# We've filled in every category
attendee.completed_registration = True
attendee.save()
return next_step
for category in cats:
products = [
i for i in available_products
if i.category == category
]
prefix = "category_" + str(category.id)
p = handle_products(request, category, products, prefix)
products_form, discounts, products_handled = p
section = GuidedRegistrationSection(
title=category.name,
description=category.description,
discounts=discounts,
form=products_form,
)
if products:
# This product category has items to show.
sections.append(section)
# Add this to the list of things to show if the form errors.
request.session[SESSION_KEY].append(category.id)
if request.method == "POST" and not products_form.errors:
# This is only saved if we pass each form with no errors,
# and if the form actually has products.
attendee.guided_categories_complete.add(category)
if sections and request.method == "POST":
for section in sections:
if section.form.errors:
break
else:
attendee.save()
if SESSION_KEY in request.session:
del request.session[SESSION_KEY]
# We've successfully processed everything
return next_step
data = {
"current_step": current_step,
"sections": sections,
"title": title,
"total_steps": 3,
}
return render(request, "registrasion/guided_registration.html", data)
@login_required
def edit_profile(request):
form, handled = handle_profile(request, "profile")
if handled and not form.errors:
messages.success(
request,
"Your attendee profile was updated.",
)
return redirect("dashboard")
data = {
"form": form,
}
return render(request, "registrasion/profile_form.html", data)
def handle_profile(request, prefix):
''' Returns a profile form instance, and a boolean which is true if the
form was handled. '''
attendee = people.Attendee.get_instance(request.user)
try:
profile = attendee.attendeeprofilebase
profile = people.AttendeeProfileBase.objects.get_subclass(
pk=profile.id,
)
except ObjectDoesNotExist:
profile = None
ProfileForm = get_form(settings.ATTENDEE_PROFILE_FORM)
# Load a pre-entered name from the speaker's profile,
# if they have one.
try:
speaker_profile = request.user.speaker_profile
speaker_name = speaker_profile.name
except ObjectDoesNotExist:
speaker_name = None
name_field = ProfileForm.Meta.model.name_field()
initial = {}
if profile is None and name_field is not None:
initial[name_field] = speaker_name
form = ProfileForm(
request.POST or None,
initial=initial,
instance=profile,
prefix=prefix
)
handled = True if request.POST else False
if request.POST and form.is_valid():
form.instance.attendee = attendee
form.save()
return form, handled
@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"
# Handle the voucher form *before* listing products.
# Products can change as vouchers are entered.
v = handle_voucher(request, VOUCHERS_FORM_PREFIX)
voucher_form, voucher_handled = v
category_id = int(category_id) # Routing is [0-9]+
category = inventory.Category.objects.get(pk=category_id)
products = ProductController.available_products(
request.user,
category=category,
)
if not products:
messages.warning(
request,
"There are no products available from category: " + category.name,
)
return redirect("dashboard")
p = handle_products(request, category, products, PRODUCTS_FORM_PREFIX)
products_form, discounts, products_handled = p
if request.POST and not voucher_handled and not products_form.errors:
# Only return to the dashboard if we didn't add a voucher code
# and if there's no errors in the products form
messages.success(
request,
"Your reservations have been updated.",
)
return redirect("dashboard")
data = {
"category": category,
"discounts": discounts,
"form": products_form,
"voucher_form": voucher_form,
}
return render(request, "registrasion/product_category.html", data)
def handle_products(request, category, products, prefix):
''' Handles a products list form in the given request. Returns the
form instance, the discounts applicable to this form, and whether the
contents were handled. '''
current_cart = CartController.for_user(request.user)
ProductsForm = forms.ProductsForm(category, products)
# Create initial data for each of products in category
items = commerce.ProductItem.objects.filter(
product__in=products,
cart=current_cart.cart,
).select_related("product")
quantities = []
seen = set()
for item in items:
quantities.append((item.product, item.quantity))
seen.add(item.product)
zeros = set(products) - seen
for product in zeros:
quantities.append((product, 0))
products_form = ProductsForm(
request.POST or None,
product_quantities=quantities,
prefix=prefix,
)
if request.method == "POST" and products_form.is_valid():
if products_form.has_changed():
set_quantities_from_products_form(products_form, current_cart)
# If category is required, the user must have at least one
# in an active+valid cart
if category.required:
carts = commerce.Cart.objects.filter(user=request.user)
items = commerce.ProductItem.objects.filter(
product__category=category,
cart=carts,
)
if len(items) == 0:
products_form.add_error(
None,
"You must have at least one item from this category",
)
handled = False if products_form.errors else True
discounts = discount.available_discounts(request.user, [], products)
return products_form, discounts, handled
def set_quantities_from_products_form(products_form, current_cart):
quantities = list(products_form.product_quantities())
pks = [i[0] for i in quantities]
products = inventory.Product.objects.filter(
id__in=pks,
).select_related("category")
product_quantities = [
(products.get(pk=i[0]), i[1]) for i in quantities
]
field_names = dict(
(i[0][0], i[1][2]) for i in zip(product_quantities, quantities)
)
try:
current_cart.set_quantities(product_quantities)
except CartValidationError as ve:
for ve_field in ve.error_list:
product, message = ve_field.message
if product in field_names:
field = field_names[product]
elif isinstance(product, inventory.Product):
continue
else:
field = None
products_form.add_error(field, message)
def handle_voucher(request, prefix):
''' Handles a voucher form in the given request. Returns the voucher
form instance, and whether the voucher code was handled. '''
voucher_form = forms.VoucherForm(request.POST or None, prefix=prefix)
current_cart = CartController.for_user(request.user)
if (voucher_form.is_valid() and
voucher_form.cleaned_data["voucher"].strip()):
voucher = voucher_form.cleaned_data["voucher"]
voucher = inventory.Voucher.normalise_code(voucher)
if len(current_cart.cart.vouchers.filter(code=voucher)) > 0:
# This voucher has already been applied to this cart.
# Do not apply code
handled = False
else:
try:
current_cart.apply_voucher(voucher)
except Exception as e:
voucher_form.add_error("voucher", e)
handled = True
else:
handled = False
return (voucher_form, handled)
@login_required
def checkout(request):
''' Runs checkout for the current cart of items, ideally generating an
invoice. '''
current_cart = CartController.for_user(request.user)
if "fix_errors" in request.GET and request.GET["fix_errors"] == "true":
current_cart.fix_simple_errors()
try:
current_invoice = InvoiceController.for_cart(current_cart.cart)
except ValidationError as ve:
return checkout_errors(request, ve)
return redirect("invoice", current_invoice.invoice.id)
def checkout_errors(request, errors):
error_list = []
for error in errors.error_list:
if isinstance(error, tuple):
error = error[1]
error_list.append(error)
data = {
"error_list": error_list,
}
return render(request, "registrasion/checkout_errors.html", data)
def invoice_access(request, access_code):
''' Redirects to the first unpaid invoice for the attendee that matches
the given access code, if any. '''
invoices = commerce.Invoice.objects.filter(
user__attendee__access_code=access_code,
status=commerce.Invoice.STATUS_UNPAID,
).order_by("issue_time")
if not invoices:
raise Http404()
invoice = invoices[0]
return redirect("invoice", invoice.id, access_code)
def invoice(request, invoice_id, access_code=None):
''' Displays an invoice for a given invoice id.
This view is not authenticated, but it will only allow access to either:
the user the invoice belongs to; staff; or a request made with the correct
access code.
'''
current_invoice = InvoiceController.for_id_or_404(invoice_id)
if not current_invoice.can_view(
user=request.user,
access_code=access_code,
):
raise Http404()
data = {
"invoice": current_invoice.invoice,
}
return render(request, "registrasion/invoice.html", data)
@login_required
def manual_payment(request, invoice_id):
''' Allows staff to make manual payments or refunds on an invoice.'''
FORM_PREFIX = "manual_payment"
if not request.user.is_staff:
raise Http404()
current_invoice = InvoiceController.for_id_or_404(invoice_id)
form = forms.ManualPaymentForm(
request.POST or None,
prefix=FORM_PREFIX,
)
if request.POST and form.is_valid():
form.instance.invoice = inv
form.save()
current_invoice.update_status()
form = forms.ManualPaymentForm(prefix=FORM_PREFIX)
data = {
"invoice": inv,
"form": form,
}
return render(request, "registrasion/manual_payment.html", data)
@login_required
def refund(request, invoice_id):
''' Allows staff to refund payments against an invoice and request a
credit note.'''
if not request.user.is_staff:
raise Http404()
current_invoice = InvoiceController.for_id_or_404(invoice_id)
try:
current_invoice.refund()
messages.success(request, "This invoice has been refunded.")
except ValidationError as ve:
messages.error(request, ve)
return redirect("invoice", invoice_id)
def credit_note(request, note_id, access_code=None):
''' Displays an credit note for a given id.
This view can only be seen by staff.
'''
if not request.user.is_staff:
raise Http404()
current_note = CreditNoteController.for_id_or_404(note_id)
apply_form = forms.ApplyCreditNoteForm(
note.invoice.user,
request.POST or None,
prefix="apply_note"
)
refund_form = forms.ManualCreditNoteRefundForm(
request.POST or None,
prefix="refund_note"
)
if request.POST and apply_form.is_valid():
inv_id = apply_form.cleaned_data["invoice"]
invoice = commerce.Invoice.objects.get(pk=inv_id)
current_note.apply_to_invoice(invoice)
messages.success(
request,
"Applied credit note %d to invoice." % note_id,
)
return redirect("invoice", invoice.id)
elif request.POST and refund_form.is_valid():
refund_form.instance.entered_by = request.user
refund_form.instance.parent = note
refund_form.save()
messages.success(
request,
"Applied manual refund to credit note."
)
return redirect("invoice", invoice.id)
data = {
"credit_note": current_note.credit_note,
"apply_form": apply_form,
"refund_form": refund_form,
}
return render(request, "registrasion/credit_note.html", data)
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