class Product(dd.Model):
product_name = models.CharField("Product ", max_length=25,null=True , blank=True)
product_type = models.CharField("Product Type", max_length=25, null=True, blank=True)
#product_price= models.DecimalField("Price", decimal_places=2, max_digits=10)
#product_qt=models.IntegerField("Quantity")
product_qt = dd.QuantityField()#modified with Hand only
last_qt = dd.QuantityField(default='0')
rest_qt = dd.QuantityField()
#new_qt = dd.QuantityField()
new_qt = models.BooleanField(default=False)
product_price = dd.PriceField()
def __str__(self):
#not work self.product_qt = self.product_qt - Delivery.qty
return "%s ,%s EUR |*%s EUR*" % (self.product_name, self.product_price, self.product_qt * self.product_price)
class QtyVatItemBase(VatItemBase):
"""Model mixin for items of a :class:`VatTotal`, adds `unit_price` and
`qty`.
Abstract Base class for :class:`lino_cosi.lib.sales.InvoiceItem` and
:class:`lino_cosi.lib.sales.OrderItem`, i.e. the lines of invoices
*with* unit prices and quantities.
"""
class Meta:
abstract = True
unit_price = dd.PriceField(_("Unit price"), blank=True, null=True)
qty = dd.QuantityField(_("Quantity"), blank=True, null=True)
def unit_price_changed(self, ar):
self.reset_totals(ar)
def qty_changed(self, ar):
self.reset_totals(ar)
def reset_totals(self, ar):
super(QtyVatItemBase, self).reset_totals(ar)
# if not self.voucher.auto_compute_totals:
# if self.qty:
# if self.voucher.item_vat:
# self.unit_price = self.total_incl / self.qty
# else:
# self.unit_price = self.total_base / self.qty
if self.unit_price is not None and self.qty is not None:
self.set_amount(ar, myround(self.unit_price * self.qty))
class StartedEnded(Started, Ended):
class Meta:
abstract = True
def save(self, *args, **kw):
"""
Fills default value end_date
"""
if self.end_time and not self.end_date:
self.end_date = self.start_date
super(Ended, self).save(*args, **kw)
def get_duration(self):
st = self.get_datetime('start')
et = self.get_datetime('end')
if st is None or et is None:
return None
if et < st:
return None # negative duration not supported
return Duration(et - st)
@dd.virtualfield(dd.QuantityField(_("Duration")))
def duration(self, ar):
return self.get_duration()
class Item(dd.Model):
name = models.CharField(max_length=50)
qty = dd.QuantityField(default='1')
discount = dd.QuantityField()
price = dd.PriceField()
def __unicode__(self):
if self.discount is None:
return "%s x %s at %s = %s EUR" % (self.qty, self.name, self.price,
self.total())
else:
return "%s x %s at %s (-%s) = %s EUR" % (
self.qty, self.name, self.price, self.discount, self.total())
def total(self):
if self.discount is None:
return self.qty * self.price
else:
return self.qty * (1 - self.discount) * self.price
class OrderItem(SequencedVoucherItem):
class Meta:
app_label = 'orders'
abstract = dd.is_abstract_model(__name__, 'OrderItem')
verbose_name = _("Order item")
verbose_name_plural = _("Order items")
allow_cascaded_delete = 'voucher'
voucher = dd.ForeignKey('orders.Order', related_name='items')
# title = models.CharField(_("Heading"), max_length=200, blank=True)
product = dd.ForeignKey('products.Product', blank=True, null=True)
qty = dd.QuantityField(_("Quantity"), blank=True, null=True)
# unit_price = dd.PriceField(_("Unit price"), blank=True, null=True)
remark = models.CharField(_("Remark"), max_length=200, blank=True)
class Ended(CombinedDateTime):
"""Mixin for models with two fields :attr:`end_date` and
:attr:`end_time`
Models inheriting from this must also inherit from Started.
.. attribute:: end_date
.. attribute:: end_time
"""
class Meta:
abstract = True
end_date = models.DateField(blank=True,
null=True,
verbose_name=_("End Date"))
end_time = models.TimeField(blank=True,
null=True,
verbose_name=_("End Time"))
def get_duration(self):
"""Return the duration in hours."""
if not self.start_date:
return None
if not self.start_time:
return None
if not self.end_time:
return None
ed = self.end_date or self.start_date
st = datetime.datetime.combine(self.start_date, self.start_time)
et = datetime.datetime.combine(ed, self.end_time)
if et < st:
return None # negative duration not supported
# print 20151127, repr(et), repr(st)
return Duration(et - st)
@dd.virtualfield(dd.QuantityField(_("Duration")))
def duration(self, ar):
return self.get_duration()
class Delivery(dd.Model):
client1 = dd.ForeignKey(Client1)
product = dd.ForeignKey(Product)
designation = models.CharField("Designation",default='give_same_Product_Name', max_length=40, null=True,blank=True)
#price = models.DecimalField("Price", decimal_places=2, max_digits=10)
price=dd.PriceField(default=0)
discount=dd.QuantityField(null=True ,blank=True)
#date = models.DateField(auto_now=True) for update auto_now_add for create
date = models.DateField(auto_now_add=True)
hour = models.TimeField(auto_now_add=True)
qty=dd.QuantityField(default='1')
total_d=dd.PriceField(default=0)
def __str__(self):
if self.discount is None:
self.total_d=self.total()
self.reduce()
return "%s x %s = %s EUR" % (self.qty, self.price, self.total_d)
else:
self.total_d=self.total()
self.reduce()
return "%s x %s (-%s) = %s EUR" % (self.qty, self.price, self.discount, self.total_d)
def total(self):
if self.discount is None:
return self.qty * self.price
else:
return self.qty * (1 - self.discount) * self.price
def reduce(self):
for self.p in Product.objects.all():
#if self.p.product_name =='apple' :
#self.p.product_qt = 999
#self.p.save()
# collect the product_name
# if self.p.product_name == self.product.product_name:
# self.designation = self.product.product_name
# self.save()
if self.p.product_price == self.product.product_price:
self.price = self.product.product_price
self.save()
if self.p.product_name == self.designation:
self.p.last_qt= self.qty
self.p.save()
self.p.rest_qt=self.p.product_qt - self.qty
self.p.save()
self.p.new_qt=True
self.p.save()
if self.p.product_name == self.product.product_name:
self.designation = self.product.product_name + '+'
self.save()
if self.p.product_name == self.product.product_name:
self.p.product_qt = self.product.rest_qt
self.p.save()
