23 lines
1.0 KiB
Python
23 lines
1.0 KiB
Python
from sqlalchemy.orm import Mapped, mapped_column, relationship, declarative_base
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from sqlalchemy import ForeignKey, Table, Column, String, UniqueConstraint
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from .common import Base
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def make_link_table(base: declarative_base, left: str, right: str, table_name="") -> Table:
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link_table = Table(
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table_name or f"{left}__{right}",
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base.metadata,
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Column(f"{left}_id", ForeignKey(f"{left}.id", ondelete='CASCADE', onupdate='CASCADE'), primary_key=True),
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Column(f"{right}_id", ForeignKey(f"{right}.id", ondelete='CASCADE', onupdate='CASCADE'), primary_key=True),
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)
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return link_table
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user__department = make_link_table(Base, 'user', 'department')
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user__manage_department = make_link_table(Base, 'user', 'department',"user__manage_department")
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user__post = make_link_table(Base, 'user', 'post')
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user__auth_rule = make_link_table(Base, 'user', 'auth_rule')
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department__auth_rule = make_link_table(Base, 'department', 'auth_rule')
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post__auth_rule = make_link_table(Base, 'post', 'auth_rule')
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