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devicehub-teal/ereuse_devicehub/resources/models.py

38 lines
1.1 KiB
Python

from datetime import datetime, timezone
from ereuse_devicehub.db import db
STR_SIZE = 64
STR_BIG_SIZE = 128
STR_SM_SIZE = 32
STR_XSM_SIZE = 16
class Thing(db.Model):
"""The base class of all Devicehub resources.
This is a loose copy of
`schema.org's Thing class <https://schema.org/Thing>`_
using only needed fields.
"""
__abstract__ = True
updated = db.Column(db.TIMESTAMP(timezone=True),
nullable=False,
index=True,
server_default=db.text('CURRENT_TIMESTAMP'))
updated.comment = """
The last time Devicehub recorded a change for this thing.
"""
created = db.Column(db.TIMESTAMP(timezone=True),
nullable=False,
index=True,
server_default=db.text('CURRENT_TIMESTAMP'))
created.comment = """
When Devicehub created this.
"""
def __init__(self, **kwargs) -> None:
super().__init__(**kwargs)
if not self.created:
self.created = datetime.now(timezone.utc)