def consume(self, quantity):
"""Consumes a certain quantity of material. The maximum quantity
allowed to be consumed is given by the following formula:
- max_consumed(quantity) = needed - consumed - lost - quantity
:param quantity: the quantity to be consumed.
"""
assert quantity > 0
available = self.allocated - self.consumed - self.lost
if quantity > available:
raise ValueError(_(u'Can not consume this quantity.'))
required = self.consumed + self.lost + quantity
if required > self.allocated:
self.allocate(required - self.allocated)
self.consumed += quantity
store = self.store
ProductHistory.add_consumed_item(store, self.order.branch, self)
def consume(self, quantity):
"""Consumes a certain quantity of material. The maximum quantity
allowed to be consumed is given by the following formula:
- max_consumed(quantity) = needed - consumed - lost - quantity
:param quantity: the quantity to be consumed.
"""
assert quantity > 0
available = self.allocated - self.consumed - self.lost
if quantity > available:
raise ValueError(_(u'Can not consume this quantity.'))
required = self.consumed + self.lost + quantity
if required > self.allocated: # pragma nocover
self.allocate(required - self.allocated)
self.consumed += quantity
store = self.store
ProductHistory.add_consumed_item(store, self.order.branch, self)
