31 lines
911 B
Python
31 lines
911 B
Python
from __future__ import annotations
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from datetime import datetime
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from uuid import uuid4
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from sqlalchemy import DateTime, MetaData, func
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from sqlalchemy.orm import DeclarativeBase, Mapped, mapped_column
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convention = {
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"ix": "ix_%(column_0_label)s",
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"uq": "uq_%(table_name)s_%(column_0_name)s",
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"ck": "ck_%(table_name)s_%(constraint_name)s",
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"fk": "fk_%(table_name)s_%(column_0_name)s_%(referred_table_name)s",
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"pk": "pk_%(table_name)s",
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}
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class Base(DeclarativeBase):
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metadata = MetaData(naming_convention=convention)
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class UUIDMixin:
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id: Mapped[str] = mapped_column(primary_key=True, default=lambda: str(uuid4()))
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class TimestampMixin:
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created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), server_default=func.now())
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updated_at: Mapped[datetime] = mapped_column(
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DateTime(timezone=True), server_default=func.now(), onupdate=func.now()
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)
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