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61 lines
1.5 KiB
Python
61 lines
1.5 KiB
Python
"""Richie database ORM base."""
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from __future__ import annotations
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from datetime import datetime
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from sqlalchemy import BigInteger, DateTime, MetaData, SmallInteger, func
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from sqlalchemy.ext.declarative import AbstractConcreteBase
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from sqlalchemy.orm import DeclarativeBase, Mapped, mapped_column
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from python.orm.common import NAMING_CONVENTION
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class RichieBase(DeclarativeBase):
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"""Base class for richie database ORM models."""
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schema_name = "main"
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metadata = MetaData(
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schema=schema_name,
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naming_convention=NAMING_CONVENTION,
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)
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class _TableMixin:
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"""Shared timestamp columns for all table bases."""
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created: Mapped[datetime] = mapped_column(
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DateTime(timezone=True),
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server_default=func.now(),
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)
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updated: Mapped[datetime] = mapped_column(
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DateTime(timezone=True),
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server_default=func.now(),
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onupdate=func.now(),
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)
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class TableBaseSmall(_TableMixin, AbstractConcreteBase, RichieBase):
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"""Table with SmallInteger primary key."""
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__abstract__ = True
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id: Mapped[int] = mapped_column(SmallInteger, primary_key=True)
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class TableBase(_TableMixin, AbstractConcreteBase, RichieBase):
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"""Table with Integer primary key."""
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__abstract__ = True
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id: Mapped[int] = mapped_column(primary_key=True)
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class TableBaseBig(_TableMixin, AbstractConcreteBase, RichieBase):
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"""Table with BigInteger primary key."""
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__abstract__ = True
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id: Mapped[int] = mapped_column(BigInteger, primary_key=True)
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