685 lines
22 KiB
Python
685 lines
22 KiB
Python
import logging
|
|
|
|
from django.conf import settings
|
|
from django.db import models
|
|
from django.db.models.aggregates import Sum
|
|
from django.contrib import messages
|
|
from django.contrib.postgres.fields import DateTimeRangeField, JSONField
|
|
from django.utils.text import slugify
|
|
from django.utils.translation import ugettext_lazy as _
|
|
from django.utils import timezone
|
|
from django.urls import reverse_lazy
|
|
from django.core.exceptions import ValidationError
|
|
from decimal import Decimal
|
|
from datetime import timedelta
|
|
from unidecode import unidecode
|
|
from django.utils.dateparse import parse_datetime
|
|
|
|
from utils.models import UUIDModel, CreatedUpdatedModel
|
|
from .managers import ProductQuerySet, OrderQuerySet
|
|
|
|
logger = logging.getLogger("bornhack.%s" % __name__)
|
|
|
|
|
|
class CustomOrder(CreatedUpdatedModel):
|
|
text = models.TextField(help_text=_("The invoice text"))
|
|
|
|
customer = models.TextField(help_text=_("The customer info for this order"))
|
|
|
|
amount = models.IntegerField(
|
|
help_text=_("Amount of this custom order (in DKK, including VAT).")
|
|
)
|
|
|
|
paid = models.BooleanField(
|
|
verbose_name=_("Paid?"),
|
|
help_text=_(
|
|
"Check when this custom order has been paid (or if it gets cancelled out by a Credit Note)"
|
|
),
|
|
default=False,
|
|
)
|
|
|
|
danish_vat = models.BooleanField(help_text="Danish VAT?", default=True)
|
|
|
|
def __str__(self):
|
|
return "custom order id #%s" % self.pk
|
|
|
|
@property
|
|
def vat(self):
|
|
if self.danish_vat:
|
|
return Decimal(round(self.amount * Decimal(0.2), 2))
|
|
else:
|
|
return 0
|
|
|
|
|
|
class Order(CreatedUpdatedModel):
|
|
class Meta:
|
|
unique_together = ("user", "open")
|
|
ordering = ["-created"]
|
|
|
|
products = models.ManyToManyField(
|
|
"shop.Product", through="shop.OrderProductRelation"
|
|
)
|
|
|
|
user = models.ForeignKey(
|
|
"auth.User",
|
|
verbose_name=_("User"),
|
|
help_text=_("The user this shop order belongs to."),
|
|
related_name="orders",
|
|
on_delete=models.PROTECT,
|
|
)
|
|
|
|
paid = models.BooleanField(
|
|
verbose_name=_("Paid?"),
|
|
help_text=_("Whether this shop order has been paid."),
|
|
default=False,
|
|
)
|
|
|
|
# We are using a NullBooleanField here to ensure that we only have one open order per user at a time.
|
|
# This "hack" is possible since postgres treats null values as different, and thus we have database level integrity.
|
|
open = models.NullBooleanField(
|
|
verbose_name=_("Open?"),
|
|
help_text=_('Whether this shop order is open or not. "None" means closed.'),
|
|
default=True,
|
|
)
|
|
|
|
CREDIT_CARD = "credit_card"
|
|
BLOCKCHAIN = "blockchain"
|
|
BANK_TRANSFER = "bank_transfer"
|
|
CASH = "cash"
|
|
|
|
PAYMENT_METHODS = [CREDIT_CARD, BLOCKCHAIN, BANK_TRANSFER, CASH]
|
|
|
|
PAYMENT_METHOD_CHOICES = [
|
|
(CREDIT_CARD, "Credit card"),
|
|
(BLOCKCHAIN, "Blockchain"),
|
|
(BANK_TRANSFER, "Bank transfer"),
|
|
(CASH, "Cash"),
|
|
]
|
|
|
|
payment_method = models.CharField(
|
|
max_length=50, choices=PAYMENT_METHOD_CHOICES, default="", blank=True
|
|
)
|
|
|
|
cancelled = models.BooleanField(default=False)
|
|
|
|
refunded = models.BooleanField(
|
|
verbose_name=_("Refunded?"),
|
|
help_text=_("Whether this order has been refunded."),
|
|
default=False,
|
|
)
|
|
|
|
customer_comment = models.TextField(
|
|
verbose_name=_("Customer comment"),
|
|
help_text=_("If you have any comments about the order please enter them here."),
|
|
default="",
|
|
blank=True,
|
|
)
|
|
|
|
invoice_address = models.TextField(
|
|
help_text=_(
|
|
"The invoice address for this order. Leave blank to use the email associated with the logged in user."
|
|
),
|
|
blank=True,
|
|
)
|
|
|
|
notes = models.TextField(
|
|
help_text="Any internal notes about this order can be entered here. They will not be printed on the invoice or shown to the customer in any way.",
|
|
default="",
|
|
blank=True,
|
|
)
|
|
|
|
pdf = models.FileField(null=True, blank=True, upload_to="proforma_invoices/")
|
|
|
|
objects = OrderQuerySet.as_manager()
|
|
|
|
def __str__(self):
|
|
return "shop order id #%s" % self.pk
|
|
|
|
def get_number_of_items(self):
|
|
return self.products.aggregate(sum=Sum("orderproductrelation__quantity"))["sum"]
|
|
|
|
@property
|
|
def vat(self):
|
|
return Decimal(self.total * Decimal(0.2))
|
|
|
|
@property
|
|
def total(self):
|
|
if self.products.all():
|
|
return Decimal(
|
|
self.products.aggregate(
|
|
sum=Sum(
|
|
models.F("orderproductrelation__product__price")
|
|
* models.F("orderproductrelation__quantity"),
|
|
output_field=models.IntegerField(),
|
|
)
|
|
)["sum"]
|
|
)
|
|
else:
|
|
return False
|
|
|
|
def get_coinify_callback_url(self, request):
|
|
""" Check settings for an alternative COINIFY_CALLBACK_HOSTNAME otherwise use the one from the request """
|
|
if (
|
|
hasattr(settings, "COINIFY_CALLBACK_HOSTNAME")
|
|
and settings.COINIFY_CALLBACK_HOSTNAME
|
|
):
|
|
host = settings.COINIFY_CALLBACK_HOSTNAME
|
|
else:
|
|
host = request.get_host()
|
|
return (
|
|
"https://"
|
|
+ host
|
|
+ str(reverse_lazy("shop:coinify_callback", kwargs={"pk": self.pk}))
|
|
)
|
|
|
|
def get_coinify_thanks_url(self, request):
|
|
return (
|
|
"https://"
|
|
+ request.get_host()
|
|
+ str(reverse_lazy("shop:coinify_thanks", kwargs={"pk": self.pk}))
|
|
)
|
|
|
|
def get_epay_accept_url(self, request):
|
|
return (
|
|
"https://"
|
|
+ request.get_host()
|
|
+ str(reverse_lazy("shop:epay_thanks", kwargs={"pk": self.pk}))
|
|
)
|
|
|
|
def get_cancel_url(self, request):
|
|
return (
|
|
"https://"
|
|
+ request.get_host()
|
|
+ str(reverse_lazy("shop:order_detail", kwargs={"pk": self.pk}))
|
|
)
|
|
|
|
def get_epay_callback_url(self, request):
|
|
return (
|
|
"https://"
|
|
+ request.get_host()
|
|
+ str(reverse_lazy("shop:epay_callback", kwargs={"pk": self.pk}))
|
|
)
|
|
|
|
@property
|
|
def description(self):
|
|
return "Order #%s" % self.pk
|
|
|
|
def get_absolute_url(self):
|
|
return str(reverse_lazy("shop:order_detail", kwargs={"pk": self.pk}))
|
|
|
|
def create_tickets(self, request=None):
|
|
tickets = []
|
|
for order_product in self.orderproductrelation_set.all():
|
|
# if this is a Ticket product?
|
|
if order_product.product.ticket_type:
|
|
query_kwargs = dict(
|
|
product=order_product.product,
|
|
ticket_type=order_product.product.ticket_type,
|
|
)
|
|
|
|
if order_product.product.ticket_type.single_ticket_per_product:
|
|
# This ticket type is one where we only create one ticket
|
|
ticket, created = self.shoptickets.get_or_create(**query_kwargs)
|
|
|
|
if created:
|
|
msg = (
|
|
"Created ticket for product %s on order %s (quantity: %s)"
|
|
% (
|
|
order_product.product,
|
|
order_product.order.pk,
|
|
order_product.quantity,
|
|
)
|
|
)
|
|
tickets.append(ticket)
|
|
else:
|
|
msg = "Ticket already created for product %s on order %s" % (
|
|
order_product.product,
|
|
order_product.order.pk,
|
|
)
|
|
|
|
if request:
|
|
messages.success(request, msg)
|
|
else:
|
|
# We should create a number of tickets equal to OrderProductRelation quantity
|
|
already_created_tickets = self.shoptickets.filter(
|
|
**query_kwargs
|
|
).count()
|
|
tickets_to_create = max(
|
|
0, order_product.quantity - already_created_tickets
|
|
)
|
|
|
|
# create the number of tickets required
|
|
if tickets_to_create > 0:
|
|
for _ in range(
|
|
0, (order_product.quantity - already_created_tickets)
|
|
):
|
|
ticket = self.shoptickets.create(**query_kwargs)
|
|
tickets.append(ticket)
|
|
|
|
msg = "Created %s tickets of type: %s" % (
|
|
order_product.quantity,
|
|
order_product.product.ticket_type.name,
|
|
)
|
|
if request:
|
|
messages.success(request, msg)
|
|
|
|
# and mark the OPR as ticket_generated=True
|
|
order_product.ticket_generated = True
|
|
order_product.save()
|
|
|
|
return tickets
|
|
|
|
def mark_as_paid(self, request=None):
|
|
self.paid = True
|
|
self.open = None
|
|
self.create_tickets(request)
|
|
self.save()
|
|
|
|
def mark_as_refunded(self, request=None):
|
|
if not self.paid:
|
|
msg = "Order %s is not paid, so cannot mark it as refunded!" % self.pk
|
|
if request:
|
|
messages.error(request, msg)
|
|
else:
|
|
print(msg)
|
|
else:
|
|
self.refunded = True
|
|
# delete any tickets related to this order
|
|
if self.shoptickets.all():
|
|
msg = "Order %s marked as refunded, deleting %s tickets..." % (
|
|
self.pk,
|
|
self.shoptickets.count(),
|
|
)
|
|
if request:
|
|
messages.success(request, msg)
|
|
else:
|
|
print(msg)
|
|
self.shoptickets.all().delete()
|
|
else:
|
|
msg = "Order %s marked as refunded, no tickets to delete" % self.pk
|
|
if request:
|
|
messages.success(request, msg)
|
|
else:
|
|
print(msg)
|
|
self.save()
|
|
|
|
def mark_as_cancelled(self, request=None):
|
|
if self.paid:
|
|
msg = "Order %s is paid, cannot cancel a paid order!" % self.pk
|
|
if request:
|
|
messages.error(request, msg)
|
|
else:
|
|
print(msg)
|
|
else:
|
|
self.cancelled = True
|
|
self.open = None
|
|
self.save()
|
|
|
|
def is_not_ticket_generated(self):
|
|
if self.orderproductrelation_set.filter(ticket_generated=True).count() == 0:
|
|
return True
|
|
else:
|
|
return False
|
|
|
|
def is_partially_ticket_generated(self):
|
|
if (
|
|
self.orderproductrelation_set.filter(ticket_generated=True).count() != 0
|
|
and self.orderproductrelation_set.filter(ticket_generated=False).count()
|
|
!= 0
|
|
):
|
|
# some products are handed out, others are not
|
|
return True
|
|
else:
|
|
return False
|
|
|
|
def is_fully_ticket_generated(self):
|
|
if self.orderproductrelation_set.filter(ticket_generated=False).count() == 0:
|
|
return True
|
|
else:
|
|
return False
|
|
|
|
@property
|
|
def ticket_generated_status(self):
|
|
if self.is_not_ticket_generated():
|
|
return "no"
|
|
elif self.is_partially_ticket_generated():
|
|
return "partially"
|
|
elif self.is_fully_ticket_generated():
|
|
return "fully"
|
|
else:
|
|
return False
|
|
|
|
@property
|
|
def coinifyapiinvoice(self):
|
|
if not self.coinify_api_invoices.exists():
|
|
return False
|
|
|
|
for tempinvoice in self.coinify_api_invoices.all():
|
|
# we already have a coinifyinvoice for this order, check if it expired
|
|
if not tempinvoice.expired:
|
|
# this invoice is not expired, we are good to go
|
|
return tempinvoice
|
|
|
|
# nope
|
|
return False
|
|
|
|
@property
|
|
def filename(self):
|
|
return "bornhack_proforma_invoice_order_%s.pdf" % self.pk
|
|
|
|
|
|
class ProductCategory(CreatedUpdatedModel, UUIDModel):
|
|
class Meta:
|
|
verbose_name = "Product category"
|
|
verbose_name_plural = "Product categories"
|
|
|
|
name = models.CharField(max_length=150)
|
|
slug = models.SlugField()
|
|
public = models.BooleanField(default=True)
|
|
|
|
def __str__(self):
|
|
return self.name
|
|
|
|
def save(self, **kwargs):
|
|
self.slug = slugify(self.name)
|
|
super(ProductCategory, self).save(**kwargs)
|
|
|
|
|
|
class Product(CreatedUpdatedModel, UUIDModel):
|
|
class Meta:
|
|
verbose_name = "Product"
|
|
verbose_name_plural = "Products"
|
|
ordering = ["available_in", "price", "name"]
|
|
|
|
category = models.ForeignKey(
|
|
"shop.ProductCategory", related_name="products", on_delete=models.PROTECT
|
|
)
|
|
|
|
name = models.CharField(max_length=150)
|
|
slug = models.SlugField(unique=True, max_length=100)
|
|
|
|
price = models.IntegerField(
|
|
help_text=_("Price of the product (in DKK, including VAT).")
|
|
)
|
|
|
|
description = models.TextField()
|
|
|
|
available_in = DateTimeRangeField(
|
|
help_text=_(
|
|
"Which period is this product available for purchase? | "
|
|
"(Format: YYYY-MM-DD HH:MM) | Only one of start/end is required"
|
|
)
|
|
)
|
|
|
|
ticket_type = models.ForeignKey(
|
|
"tickets.TicketType", on_delete=models.PROTECT, null=True, blank=True
|
|
)
|
|
|
|
stock_amount = models.IntegerField(
|
|
help_text=(
|
|
"Initial amount available in stock if there is a limited "
|
|
"supply, e.g. fridge space"
|
|
),
|
|
null=True,
|
|
blank=True,
|
|
)
|
|
|
|
objects = ProductQuerySet.as_manager()
|
|
|
|
def __str__(self):
|
|
return "{} ({} DKK)".format(self.name, self.price)
|
|
|
|
def clean(self):
|
|
if self.category.name == "Tickets" and not self.ticket_type:
|
|
raise ValidationError("Products with category Tickets need a ticket_type")
|
|
|
|
def is_available(self):
|
|
""" Is the product available or not?
|
|
|
|
Checks for the following:
|
|
|
|
- Whether now is in the self.available_in
|
|
- If a stock is defined, that there are items left
|
|
"""
|
|
predicates = [self.is_time_available]
|
|
if self.stock_amount:
|
|
predicates.append(self.is_stock_available)
|
|
return all(predicates)
|
|
|
|
@property
|
|
def is_time_available(self):
|
|
now = timezone.now()
|
|
time_available = now in self.available_in
|
|
return time_available
|
|
|
|
def is_old(self):
|
|
now = timezone.now()
|
|
if hasattr(self.available_in, "upper") and self.available_in.upper:
|
|
return self.available_in.upper < now
|
|
return False
|
|
|
|
def is_upcoming(self):
|
|
now = timezone.now()
|
|
return self.available_in.lower > now
|
|
|
|
@property
|
|
def left_in_stock(self):
|
|
if self.stock_amount:
|
|
# All orders that are not open and not cancelled count towards what has
|
|
# been "reserved" from stock.
|
|
#
|
|
# This means that an order has either been paid (by card or blockchain)
|
|
# or is marked to be paid with cash or bank transfer, meaning it is a
|
|
# "reservation" of the product in question.
|
|
sold = OrderProductRelation.objects.filter(
|
|
product=self, order__open=None, order__cancelled=False
|
|
).aggregate(Sum("quantity"))["quantity__sum"]
|
|
|
|
total_left = self.stock_amount - (sold or 0)
|
|
|
|
return total_left
|
|
return None
|
|
|
|
@property
|
|
def is_stock_available(self):
|
|
if self.stock_amount:
|
|
stock_available = self.left_in_stock > 0
|
|
return stock_available
|
|
# If there is no stock defined the product is generally available.
|
|
return True
|
|
|
|
|
|
class OrderProductRelation(CreatedUpdatedModel):
|
|
order = models.ForeignKey("shop.Order", on_delete=models.PROTECT)
|
|
product = models.ForeignKey("shop.Product", on_delete=models.PROTECT)
|
|
quantity = models.PositiveIntegerField()
|
|
ticket_generated = models.BooleanField(default=False)
|
|
|
|
@property
|
|
def total(self):
|
|
return Decimal(self.product.price * self.quantity)
|
|
|
|
def clean(self):
|
|
if self.ticket_generated and not self.order.paid:
|
|
raise ValidationError(
|
|
"Product can not be handed out when order is not paid."
|
|
)
|
|
|
|
|
|
class EpayCallback(CreatedUpdatedModel, UUIDModel):
|
|
class Meta:
|
|
verbose_name = "Epay Callback"
|
|
verbose_name_plural = "Epay Callbacks"
|
|
ordering = ["-created"]
|
|
|
|
payload = JSONField()
|
|
md5valid = models.BooleanField(default=False)
|
|
|
|
def __str__(self):
|
|
return "callback at %s (md5 valid: %s)" % (self.created, self.md5valid)
|
|
|
|
|
|
class EpayPayment(CreatedUpdatedModel, UUIDModel):
|
|
class Meta:
|
|
verbose_name = "Epay Payment"
|
|
verbose_name_plural = "Epay Payments"
|
|
|
|
order = models.OneToOneField("shop.Order", on_delete=models.PROTECT)
|
|
callback = models.ForeignKey("shop.EpayCallback", on_delete=models.PROTECT)
|
|
txnid = models.IntegerField()
|
|
|
|
|
|
class CreditNote(CreatedUpdatedModel):
|
|
class Meta:
|
|
ordering = ["-created"]
|
|
|
|
amount = models.DecimalField(max_digits=10, decimal_places=2)
|
|
|
|
text = models.TextField(help_text="Description of what this credit note covers")
|
|
|
|
pdf = models.FileField(null=True, blank=True, upload_to="creditnotes/")
|
|
|
|
user = models.ForeignKey(
|
|
"auth.User",
|
|
verbose_name=_("User"),
|
|
help_text=_("The user this credit note belongs to, if any."),
|
|
related_name="creditnotes",
|
|
on_delete=models.PROTECT,
|
|
null=True,
|
|
blank=True,
|
|
)
|
|
|
|
customer = models.TextField(
|
|
help_text="Customer info if no user is selected", blank=True, default=""
|
|
)
|
|
|
|
danish_vat = models.BooleanField(help_text="Danish VAT?", default=True)
|
|
|
|
paid = models.BooleanField(
|
|
verbose_name=_("Paid?"),
|
|
help_text=_(
|
|
"Whether the amount in this creditnote has been paid back to the customer."
|
|
),
|
|
default=False,
|
|
)
|
|
|
|
sent_to_customer = models.BooleanField(default=False)
|
|
|
|
def clean(self):
|
|
errors = []
|
|
if self.user and self.customer:
|
|
msg = "Customer info should be blank if a user is selected."
|
|
errors.append(ValidationError({"user", msg}))
|
|
errors.append(ValidationError({"customer", msg}))
|
|
if not self.user and not self.customer:
|
|
msg = "Either pick a user or fill in Customer info"
|
|
errors.append(ValidationError({"user", msg}))
|
|
errors.append(ValidationError({"customer", msg}))
|
|
if errors:
|
|
raise ValidationError(errors)
|
|
|
|
def __str__(self):
|
|
if self.user:
|
|
return "creditnoote#%s - %s DKK (customer: user %s)" % (
|
|
self.id,
|
|
self.amount,
|
|
self.user.email,
|
|
)
|
|
else:
|
|
return "creditnoote#%s - %s DKK (customer: %s)" % (
|
|
self.id,
|
|
self.amount,
|
|
self.customer,
|
|
)
|
|
|
|
@property
|
|
def vat(self):
|
|
if self.danish_vat:
|
|
return Decimal(round(self.amount * Decimal(0.2), 2))
|
|
else:
|
|
return 0
|
|
|
|
@property
|
|
def filename(self):
|
|
return "bornhack_creditnote_%s.pdf" % self.pk
|
|
|
|
|
|
class Invoice(CreatedUpdatedModel):
|
|
order = models.OneToOneField(
|
|
"shop.Order", null=True, blank=True, on_delete=models.PROTECT
|
|
)
|
|
customorder = models.OneToOneField(
|
|
"shop.CustomOrder", null=True, blank=True, on_delete=models.PROTECT
|
|
)
|
|
pdf = models.FileField(null=True, blank=True, upload_to="invoices/")
|
|
sent_to_customer = models.BooleanField(default=False)
|
|
|
|
def __str__(self):
|
|
if self.order:
|
|
return "invoice#%s - shop order %s - %s - total %s DKK (sent to %s: %s)" % (
|
|
self.id,
|
|
self.order.id,
|
|
self.order.created,
|
|
self.order.total,
|
|
self.order.user.email,
|
|
self.sent_to_customer,
|
|
)
|
|
elif self.customorder:
|
|
return (
|
|
"invoice#%s - custom order %s - %s - amount %s DKK (customer: %s)"
|
|
% (
|
|
self.id,
|
|
self.customorder.id,
|
|
self.customorder.created,
|
|
self.customorder.amount,
|
|
unidecode(self.customorder.customer),
|
|
)
|
|
)
|
|
|
|
@property
|
|
def filename(self):
|
|
return "bornhack_invoice_%s.pdf" % self.pk
|
|
|
|
def regretdate(self):
|
|
return self.created + timedelta(days=15)
|
|
|
|
|
|
class CoinifyAPIInvoice(CreatedUpdatedModel):
|
|
coinify_id = models.IntegerField(null=True)
|
|
invoicejson = JSONField()
|
|
order = models.ForeignKey(
|
|
"shop.Order", related_name="coinify_api_invoices", on_delete=models.PROTECT
|
|
)
|
|
|
|
def __str__(self):
|
|
return "coinifyinvoice for order #%s" % self.order.id
|
|
|
|
@property
|
|
def expired(self):
|
|
return parse_datetime(self.invoicejson["expire_time"]) < timezone.now()
|
|
|
|
|
|
class CoinifyAPICallback(CreatedUpdatedModel):
|
|
headers = JSONField()
|
|
payload = JSONField(blank=True)
|
|
body = models.TextField(default="")
|
|
order = models.ForeignKey(
|
|
"shop.Order", related_name="coinify_api_callbacks", on_delete=models.PROTECT
|
|
)
|
|
authenticated = models.BooleanField(default=False)
|
|
|
|
def __str__(self):
|
|
return "order #%s callback at %s" % (self.order.id, self.created)
|
|
|
|
|
|
class CoinifyAPIRequest(CreatedUpdatedModel):
|
|
order = models.ForeignKey(
|
|
"shop.Order", related_name="coinify_api_requests", on_delete=models.PROTECT
|
|
)
|
|
method = models.CharField(max_length=100)
|
|
payload = JSONField()
|
|
response = JSONField()
|
|
|
|
def __str__(self):
|
|
return "order %s api request %s" % (self.order.id, self.method)
|