45 lines
1.4 KiB
Python
45 lines
1.4 KiB
Python
from uuid import uuid4
|
|
|
|
from citext import CIText
|
|
from sqlalchemy import Column
|
|
from sqlalchemy.dialects.postgresql import UUID
|
|
from sqlalchemy.orm import backref, relationship
|
|
from teal.db import CASCADE_OWN
|
|
|
|
from ereuse_devicehub.db import db
|
|
from ereuse_devicehub.resources.models import Thing
|
|
from ereuse_devicehub.resources.user.models import User
|
|
|
|
|
|
class Transfer(Thing):
|
|
"""
|
|
The transfer is a transfer of possession of devices between
|
|
a user and a code (not system user)
|
|
"""
|
|
|
|
id = Column(UUID(as_uuid=True), primary_key=True, default=uuid4)
|
|
code = Column(CIText(), default='', nullable=False)
|
|
date = Column(db.TIMESTAMP(timezone=True))
|
|
description = Column(CIText(), default='', nullable=True)
|
|
lot_id = db.Column(
|
|
UUID(as_uuid=True),
|
|
db.ForeignKey('lot.id', use_alter=True, name='lot_trade'),
|
|
nullable=True,
|
|
)
|
|
lot = relationship(
|
|
'Lot',
|
|
backref=backref('transfer', lazy=True, uselist=False, cascade=CASCADE_OWN),
|
|
primaryjoin='Transfer.lot_id == Lot.id',
|
|
)
|
|
user_from_id = db.Column(UUID(as_uuid=True), db.ForeignKey(User.id), nullable=True)
|
|
user_from = db.relationship(User, primaryjoin=user_from_id == User.id)
|
|
user_to_id = db.Column(UUID(as_uuid=True), db.ForeignKey(User.id), nullable=True)
|
|
user_to = db.relationship(User, primaryjoin=user_to_id == User.id)
|
|
|
|
@property
|
|
def closed(self):
|
|
if self.date:
|
|
return True
|
|
|
|
return False
|