A R R R Associates
57 lines
2.4 KiB
Python
57 lines
2.4 KiB
Python
"""services phase 4A renewal before expiry due dates
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Revision ID: 20260505_renewal_before_expiry_due_dates
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Revises: 20260504_due_date_engine_foundation
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Create Date: 2026-05-05
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"""
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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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revision: str = "20260505_renewal_before_expiry_due_dates"
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down_revision: Union[str, None] = "20260504_due_date_engine_foundation"
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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 _insp():
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return sa.inspect(op.get_bind())
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def _has_table(table_name: str) -> bool:
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return table_name in _insp().get_table_names()
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def _has_column(table_name: str, column_name: str) -> bool:
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if not _has_table(table_name):
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return False
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return any(c["name"] == column_name for c in _insp().get_columns(table_name))
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def _has_index(table_name: str, index_name: str) -> bool:
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if not _has_table(table_name):
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return False
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return any(ix.get("name") == index_name for ix in _insp().get_indexes(table_name))
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def upgrade() -> None:
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if _has_table("service_due_date_rules") and not _has_column("service_due_date_rules", "renewal_days_before_expiry"):
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op.add_column("service_due_date_rules", sa.Column("renewal_days_before_expiry", sa.Integer(), nullable=True))
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if _has_table("client_service_subscriptions") and not _has_column("client_service_subscriptions", "expiry_date"):
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op.add_column("client_service_subscriptions", sa.Column("expiry_date", sa.Date(), nullable=True))
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if _has_table("client_service_subscriptions") and not _has_index("client_service_subscriptions", "ix_client_service_subscriptions_expiry_date"):
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op.create_index("ix_client_service_subscriptions_expiry_date", "client_service_subscriptions", ["expiry_date"])
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def downgrade() -> None:
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if _has_table("client_service_subscriptions") and _has_index("client_service_subscriptions", "ix_client_service_subscriptions_expiry_date"):
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op.drop_index("ix_client_service_subscriptions_expiry_date", table_name="client_service_subscriptions")
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if _has_table("client_service_subscriptions") and _has_column("client_service_subscriptions", "expiry_date"):
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op.drop_column("client_service_subscriptions", "expiry_date")
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if _has_table("service_due_date_rules") and _has_column("service_due_date_rules", "renewal_days_before_expiry"):
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op.drop_column("service_due_date_rules", "renewal_days_before_expiry")
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