def reallocate(
event: events.Deallocated, uow: unit_of_work.AbstractUnitOfWork
):
with uow:
product = uow.products.get(sku=event.sku)
product.events.append(commands.Allocate(**asdict(event)))
uow.commit()
def change_batch_quantity(
cmd: commands.ChangeBatchQuantity, uow: unit_of_work.AbstractUnitOfWork
):
with uow:
product = uow.products.get_by_batchref(batchref=cmd.ref)
product.change_batch_quantity(ref=cmd.ref, qty=cmd.qty)
uow.commit()
def change_batch_quantity(
event: commands.ChangeBatchQuantity, uow: unit_of_work.AbstractUnitOfWork
):
with uow:
product = uow.products.get_by_batchid(batchid=event.ref)
product.change_batch_quantity(ref=event.ref, qty=event.qty)
uow.commit()
def allocate(cmd: commands.Allocate, uow: unit_of_work.AbstractUnitOfWork):
line = OrderLine(cmd.orderid, cmd.sku, cmd.qty)
with uow:
product = uow.products.get(sku=line.sku)
if product is None:
raise exceptions.InvalidSku(f'Invalid sku {line.sku}')
product.allocate(line)
uow.commit()
def add_batch(cmd: commands.CreateBatch, uow: unit_of_work.AbstractUnitOfWork):
with uow:
product = uow.products.get(sku=cmd.sku)
if product is None:
product = model.Product(cmd.sku, batches=[])
uow.products.add(product)
product.batches.append(model.Batch(cmd.ref, cmd.sku, cmd.qty, cmd.eta))
uow.commit()