139 lines
5.3 KiB
Python
139 lines
5.3 KiB
Python
"""add server-issued expense application preview decisions
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Revision ID: 20260714_0004
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Revises: 20260714_0003
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Create Date: 2026-07-14 15:30:00
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"""
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from collections.abc import Sequence
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import sqlalchemy as sa
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from alembic import op
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revision: str = "20260714_0004"
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down_revision: str | None = "20260714_0003"
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branch_labels: str | Sequence[str] | None = None
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depends_on: str | Sequence[str] | None = None
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def upgrade() -> None:
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op.create_table(
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"ai_application_preview_decisions",
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sa.Column("id", sa.String(length=36), nullable=False),
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sa.Column("tenant_id", sa.String(length=64), nullable=False),
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sa.Column("actor_id", sa.String(length=120), nullable=False),
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sa.Column("auth_session_id", sa.String(length=120), nullable=False),
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sa.Column("conversation_id", sa.String(length=120), nullable=False),
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sa.Column("decision_type", sa.String(length=80), nullable=False),
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sa.Column("decision_source", sa.String(length=20), nullable=False),
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sa.Column("field_keys_json", sa.JSON(), nullable=False),
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sa.Column("field_fingerprints_json", sa.JSON(), nullable=False),
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sa.Column("snapshot_fingerprint", sa.String(length=80), nullable=False),
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sa.Column("fingerprint_key_version", sa.String(length=40), nullable=False),
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sa.Column("source_version_json", sa.JSON(), nullable=False),
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sa.Column("status", sa.String(length=20), nullable=False),
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sa.Column("issue_request_id", sa.String(length=120), nullable=False),
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sa.Column("consumed_action", sa.String(length=30), nullable=True),
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sa.Column("consumed_request_id", sa.String(length=120), nullable=True),
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sa.Column("consumed_claim_id", sa.String(length=36), nullable=True),
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sa.Column("consumed_business_event_id", sa.String(length=36), nullable=True),
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sa.Column("consumed_final_fingerprint", sa.String(length=80), nullable=True),
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sa.Column("expires_at", sa.DateTime(timezone=True), nullable=False),
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sa.Column("consumed_at", sa.DateTime(timezone=True), nullable=True),
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sa.Column(
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"created_at",
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sa.DateTime(timezone=True),
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server_default=sa.func.now(),
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nullable=False,
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),
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sa.CheckConstraint(
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"status IN ('issued', 'consumed', 'expired', 'revoked')",
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name="ck_ai_application_preview_decisions_status",
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),
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sa.CheckConstraint(
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"decision_source IN ('heuristic', 'rule', 'hybrid', 'server_draft')",
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name="ck_ai_application_preview_decisions_source",
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),
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sa.CheckConstraint(
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"consumed_action IS NULL OR consumed_action IN ('save_draft', 'submit')",
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name="ck_ai_application_preview_decisions_consumed_action",
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),
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sa.CheckConstraint(
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"status != 'consumed' OR ("
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"consumed_action IS NOT NULL AND consumed_request_id IS NOT NULL AND "
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"consumed_claim_id IS NOT NULL AND consumed_business_event_id IS NOT NULL AND "
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"consumed_final_fingerprint IS NOT NULL AND consumed_at IS NOT NULL)",
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name="ck_ai_application_preview_decisions_consumed_fields",
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),
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sa.CheckConstraint(
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"expires_at > created_at",
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name="ck_ai_application_preview_decisions_expiry",
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),
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sa.PrimaryKeyConstraint("id"),
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sa.UniqueConstraint(
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"tenant_id",
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"id",
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name="uq_ai_application_preview_decisions_tenant_id",
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),
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sa.UniqueConstraint(
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"tenant_id",
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"actor_id",
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"auth_session_id",
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"issue_request_id",
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name="uq_ai_application_preview_decisions_issue_request",
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),
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)
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op.create_index(
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"ix_ai_application_preview_decisions_actor_status_expiry",
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"ai_application_preview_decisions",
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["tenant_id", "actor_id", "status", "expires_at"],
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)
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op.create_index(
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"ix_ai_application_preview_decisions_conversation",
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"ai_application_preview_decisions",
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["tenant_id", "conversation_id", "created_at"],
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)
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op.add_column(
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"ai_decisions",
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sa.Column("preview_decision_id", sa.String(length=36), nullable=True),
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)
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op.create_foreign_key(
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"fk_ai_decisions_tenant_preview_decision",
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"ai_decisions",
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"ai_application_preview_decisions",
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["tenant_id", "preview_decision_id"],
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["tenant_id", "id"],
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ondelete="RESTRICT",
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)
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op.create_unique_constraint(
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"uq_ai_decisions_tenant_preview_decision",
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"ai_decisions",
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["tenant_id", "preview_decision_id"],
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)
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def downgrade() -> None:
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op.drop_constraint(
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"uq_ai_decisions_tenant_preview_decision",
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"ai_decisions",
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type_="unique",
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)
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op.drop_constraint(
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"fk_ai_decisions_tenant_preview_decision",
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"ai_decisions",
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type_="foreignkey",
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)
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op.drop_column("ai_decisions", "preview_decision_id")
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op.drop_index(
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"ix_ai_application_preview_decisions_conversation",
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table_name="ai_application_preview_decisions",
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)
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op.drop_index(
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"ix_ai_application_preview_decisions_actor_status_expiry",
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table_name="ai_application_preview_decisions",
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)
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op.drop_table("ai_application_preview_decisions")
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