mirror of
https://github.com/ae-utbm/sith.git
synced 2024-11-16 03:03:21 +00:00
117 lines
4.4 KiB
Python
117 lines
4.4 KiB
Python
from django.db import models, DataError
|
|
from django.utils.translation import ugettext_lazy as _
|
|
from django.conf import settings
|
|
|
|
from accounting.models import CurrencyField
|
|
from counter.models import Counter, Product, Customer, Selling, Refilling
|
|
from core.models import User
|
|
from subscription.models import Subscription
|
|
|
|
class Basket(models.Model):
|
|
"""
|
|
Basket is built when the user connects to an eboutic page
|
|
"""
|
|
user = models.ForeignKey(User, related_name='baskets', verbose_name=_('user'), blank=False)
|
|
date = models.DateTimeField(_('date'), auto_now=True)
|
|
|
|
def add_product(self, p, q = 1):
|
|
item = self.items.filter(product_id=p.id).first()
|
|
if item is None:
|
|
BasketItem(basket=self, product_id=p.id, product_name=p.name, type_id=p.product_type.id,
|
|
quantity=q, product_unit_price=p.selling_price).save()
|
|
else:
|
|
item.quantity += q
|
|
item.save()
|
|
|
|
def del_product(self, p, q = 1):
|
|
item = self.items.filter(product_id=p.id).first()
|
|
if item is not None:
|
|
item.quantity -= q
|
|
item.save()
|
|
if item.quantity <= 0:
|
|
item.delete()
|
|
|
|
def get_total(self):
|
|
total = 0
|
|
for i in self.items.all():
|
|
total += i.quantity * i.product_unit_price
|
|
return total
|
|
|
|
def __str__(self):
|
|
return "%s's basket (%d items)" % (self.user, self.items.all().count())
|
|
|
|
class Invoice(models.Model):
|
|
"""
|
|
Invoices are generated once the payment has been validated
|
|
"""
|
|
user = models.ForeignKey(User, related_name='invoices', verbose_name=_('user'), blank=False)
|
|
date = models.DateTimeField(_('date'), auto_now=True)
|
|
validated = models.BooleanField(_("validated"), default=False)
|
|
|
|
def __str__(self):
|
|
return "%s - %s - %s" % (self.user, self.get_total(), self.date)
|
|
|
|
def get_total(self):
|
|
total = 0
|
|
for i in self.items.all():
|
|
total += i.quantity * i.product_unit_price
|
|
return total
|
|
|
|
def validate(self, *args, **kwargs):
|
|
if self.validated:
|
|
raise DataError(_("Invoice already validated"))
|
|
from counter.models import Customer
|
|
if not Customer.objects.filter(user=self.user).exists():
|
|
number = Customer.objects.count() + 1
|
|
Customer(user=self.user, account_id=Customer.generate_account_id(number), amount=0).save()
|
|
eboutic = Counter.objects.filter(type="EBOUTIC").first()
|
|
for i in self.items.all():
|
|
if i.type_id == settings.SITH_COUNTER_PRODUCTTYPE_REFILLING:
|
|
new = Refilling(
|
|
counter=eboutic,
|
|
customer=self.user.customer,
|
|
operator=self.user,
|
|
amount=i.product_unit_price * i.quantity,
|
|
payment_method="CARD",
|
|
bank="OTHER",
|
|
date=self.date,
|
|
)
|
|
new.save()
|
|
else:
|
|
product = Product.objects.filter(id=i.product_id).first()
|
|
new = Selling(
|
|
label=i.product_name,
|
|
counter=eboutic,
|
|
club=product.club,
|
|
product=product,
|
|
seller=self.user,
|
|
customer=self.user.customer,
|
|
unit_price=i.product_unit_price,
|
|
quantity=i.quantity,
|
|
payment_method="CARD",
|
|
is_validated=True,
|
|
date=self.date,
|
|
)
|
|
new.save()
|
|
self.validated = True
|
|
self.save()
|
|
|
|
class AbstractBaseItem(models.Model):
|
|
product_id = models.IntegerField(_('product id'))
|
|
product_name = models.CharField(_('product name'), max_length=255)
|
|
type_id = models.IntegerField(_('product type id'))
|
|
product_unit_price = CurrencyField(_('unit price'))
|
|
quantity = models.IntegerField(_('quantity'))
|
|
|
|
class Meta:
|
|
abstract = True
|
|
|
|
def __str__(self):
|
|
return "Item: %s (%s) x%d" % (self.product_name, self.product_unit_price, self.quantity)
|
|
|
|
class BasketItem(AbstractBaseItem):
|
|
basket = models.ForeignKey(Basket, related_name='items', verbose_name=_('basket'))
|
|
|
|
class InvoiceItem(AbstractBaseItem):
|
|
invoice = models.ForeignKey(Invoice, related_name='items', verbose_name=_('invoice'))
|