from datetime import datetime

from ereuse_devicehub.db import db

STR_SIZE = 64
STR_BIG_SIZE = 128
STR_SM_SIZE = 32


class Thing(db.Model):
    __abstract__ = True
    updated = db.Column(db.DateTime, onupdate=datetime.utcnow)
    created = db.Column(db.DateTime, default=datetime.utcnow)