58 lines
2.7 KiB
Python
58 lines
2.7 KiB
Python
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"""Entity history table for undo/restore functionality.
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Revision ID: 0025_entity_history
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Revises: 0024_heartbeat_config
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Create Date: 2026-07-23
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"""
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from __future__ import annotations
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from typing import Sequence, Union
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from alembic import op
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import sqlalchemy as sa
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from sqlalchemy.dialects import postgresql
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revision: str = "0025_entity_history"
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down_revision: Union[str, None] = "0024_heartbeat_config"
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branch_labels: Union[str, Sequence[str], None] = None
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depends_on: Union[str, Sequence[str], None] = None
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def upgrade() -> None:
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op.create_table(
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"entity_history",
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sa.Column("id", postgresql.UUID(as_uuid=True), primary_key=True),
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sa.Column("tenant_id", postgresql.UUID(as_uuid=True), sa.ForeignKey("tenants.id", ondelete="CASCADE"), nullable=False),
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sa.Column("user_id", postgresql.UUID(as_uuid=True), sa.ForeignKey("users.id", ondelete="SET NULL"), nullable=True),
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sa.Column("entity_type", sa.String(50), nullable=False),
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sa.Column("entity_id", postgresql.UUID(as_uuid=True), nullable=False),
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sa.Column("action", sa.String(20), nullable=False),
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sa.Column("snapshot_before", postgresql.JSONB, nullable=True),
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sa.Column("snapshot_after", postgresql.JSONB, nullable=True),
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sa.Column("changes", postgresql.JSONB, nullable=True),
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sa.Column("created_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.func.now()),
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sa.Column("updated_at", sa.DateTime(timezone=True), nullable=False, server_default=sa.func.now()),
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sa.Column("deleted_at", sa.DateTime(timezone=True), nullable=True),
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)
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op.create_index("ix_entity_history_tenant_id", "entity_history", ["tenant_id"])
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op.create_index("ix_entity_history_entity_type", "entity_history", ["entity_type"])
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op.create_index("ix_entity_history_entity_id", "entity_history", ["entity_id"])
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op.create_index("ix_entity_history_user_id", "entity_history", ["user_id"])
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op.create_index("ix_entity_history_created_at", "entity_history", ["created_at"])
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op.create_index(
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"ix_entity_history_tenant_entity",
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"entity_history",
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["tenant_id", "entity_type", "entity_id", "created_at"],
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)
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def downgrade() -> None:
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op.drop_index("ix_entity_history_tenant_entity", table_name="entity_history")
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op.drop_index("ix_entity_history_created_at", table_name="entity_history")
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op.drop_index("ix_entity_history_user_id", table_name="entity_history")
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op.drop_index("ix_entity_history_entity_id", table_name="entity_history")
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op.drop_index("ix_entity_history_entity_type", table_name="entity_history")
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op.drop_index("ix_entity_history_tenant_id", table_name="entity_history")
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op.drop_table("entity_history")
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