# pylint: disable=import-error
from sqlalchemy import Column, String, ForeignKey, Index
from sqlalchemy.orm import relationship
from timelink.kleio.utilities import quote_long_text
from timelink.mhk.models.entity import Entity
[docs]
class Attribute(Entity):
__table_args__ = {"extend_existing": True}
__tablename__ = "attributes"
id = Column(String, ForeignKey("entities.id"), primary_key=True)
entity = Column(String, ForeignKey("entities.id"), index=True)
the_type = Column(String, index=True)
the_value = Column(String, index=True)
the_date = Column(String, index=True)
obs = Column(String)
the_entity = relationship(
"Entity",
foreign_keys=[entity],
back_populates="attributes",
)
__mapper_args__ = {
"polymorphic_identity": "attribute",
"inherit_condition": id == Entity.id,
}
__table_args__ = (Index("attributes_type_value", "the_type", "the_value"),)
def __repr__(self):
sr = super().__repr__()
return (
f"Attribute(id={sr}, "
f'entity="{self.entity}", '
f'the_type="{self.the_type}", '
f'the_value="{self.the_value}", '
f'the_date="{self.the_date}"", '
f"obs={self.obs}"
f")"
)
def __str__(self):
r = f"{self.groupname}${quote_long_text(self.the_type)}/{quote_long_text(self.the_value)}/"
r += f"{self.the_date}"
if self.obs is not None and len(self.obs.strip()) > 0:
r = f"{r}/obs={quote_long_text(self.obs)}"
return r
Entity.attributes = relationship(
"Attribute", foreign_keys=[Attribute.entity], back_populates="the_entity"
)