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devicehub-teal
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Explicitly inherit ids from EventWithOneDevice's subclasses

This commit is contained in:
Xavier Bustamante Talavera 2018-09-06 19:43:59 +02:00
parent b76c9033e8
commit d54609543e
1 changed files with 18 additions and 4 deletions
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22
ereuse_devicehub/resources/event/models.py
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@ -12,6 +12,10 @@ from sqlalchemy.ext.orderinglist import ordering_list
from sqlalchemy.orm import backref, relationship, validates from sqlalchemy.orm import backref, relationship, validates
from sqlalchemy.orm.events import AttributeEvents as Events from sqlalchemy.orm.events import AttributeEvents as Events
from sqlalchemy.util import OrderedSet from sqlalchemy.util import OrderedSet
from teal.db import ArrayOfEnum, CASCADE, CASCADE_OWN, INHERIT_COND, IP, POLYMORPHIC_ID, \
POLYMORPHIC_ON, StrictVersionType, URL, check_range
from teal.enums import Country, Currency, Subdivision
from teal.marshmallow import ValidationError
from ereuse_devicehub.db import db from ereuse_devicehub.db import db
from ereuse_devicehub.resources.agent.models import Agent from ereuse_devicehub.resources.agent.models import Agent
@ -23,10 +27,6 @@ from ereuse_devicehub.resources.enums import AppearanceRange, BOX_RATE_3, BOX_RA
from ereuse_devicehub.resources.image.models import Image from ereuse_devicehub.resources.image.models import Image
from ereuse_devicehub.resources.models import STR_BIG_SIZE, STR_SIZE, STR_SM_SIZE, Thing from ereuse_devicehub.resources.models import STR_BIG_SIZE, STR_SIZE, STR_SM_SIZE, Thing
from ereuse_devicehub.resources.user.models import User from ereuse_devicehub.resources.user.models import User
from teal.db import ArrayOfEnum, CASCADE, CASCADE_OWN, INHERIT_COND, IP, POLYMORPHIC_ID, \
POLYMORPHIC_ON, StrictVersionType, URL, check_range
from teal.enums import Country, Currency, Subdivision
from teal.marshmallow import ValidationError
""" """
A quantity of money with a currency. A quantity of money with a currency.
@ -217,6 +217,20 @@ class EventWithOneDevice(JoinedTableMixin, Event):
def __repr__(self) -> str: def __repr__(self) -> str:
return '<{0.t} {0.id!r} device={0.device!r}>'.format(self) return '<{0.t} {0.id!r} device={0.device!r}>'.format(self)
@declared_attr
def __mapper_args__(cls):
"""
Defines inheritance.
From `the guide <http://docs.sqlalchemy.org/en/latest/orm/
extensions/declarative/api.html
#sqlalchemy.ext.declarative.declared_attr>`_
"""
args = {POLYMORPHIC_ID: cls.t}
if cls.t == 'EventWithOneDevice':
args[POLYMORPHIC_ON] = cls.type
return args
class EventWithMultipleDevices(Event): class EventWithMultipleDevices(Event):
devices = relationship(Device, devices = relationship(Device,