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bin/finance/alembic/versions/e7f1a9c3b214_szenario_zeitraum.py
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2.4 KiB
Python

"""szenario zeitraum, neuer betrag, szenario-eigene wiederkehrende zahlungen
Revision ID: e7f1a9c3b214
Revises: d5e8b3c7a410
Create Date: 2026-09-30
"""
from typing import Sequence, Union
from alembic import op
import sqlalchemy as sa
revision: str = 'e7f1a9c3b214'
down_revision: Union[str, Sequence[str], None] = 'd5e8b3c7a410'
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None
FK_PLANNED_CATEGORY = 'fk_scenario_planned_items_category_id'
def upgrade() -> None:
# Bestandsdaten: percent/absolute/remove haben end_date NULL (API hat es
# bisher genullt) und gelten damit unverändert unbegrenzt.
op.add_column('scenario_modifiers', sa.Column('start_date', sa.Date(), nullable=True))
op.add_column('scenario_planned_items',
sa.Column('category_id', sa.Integer(), nullable=True))
op.create_foreign_key(FK_PLANNED_CATEGORY, 'scenario_planned_items',
'categories', ['category_id'], ['id'])
op.create_table(
'scenario_recurring_items',
sa.Column('id', sa.Integer(), primary_key=True),
sa.Column('scenario_id', sa.Integer(), sa.ForeignKey('scenarios.id'), nullable=False),
sa.Column('name', sa.String(length=200), nullable=False),
sa.Column('amount', sa.Numeric(precision=12, scale=2), nullable=False),
sa.Column('rhythm', sa.String(length=20), nullable=False),
sa.Column('due_day', sa.Integer(), nullable=False),
sa.Column('start_date', sa.Date(), nullable=True),
sa.Column('end_date', sa.Date(), nullable=True),
sa.Column('category_id', sa.Integer(), sa.ForeignKey('categories.id'), nullable=True),
)
op.create_index('ix_scenario_recurring_items_scenario_id',
'scenario_recurring_items', ['scenario_id'])
def downgrade() -> None:
# Alte Semantik: "set" gab es nicht, end_date nur bei "ende".
op.execute("DELETE FROM scenario_modifiers WHERE kind = 'set'")
op.execute("UPDATE scenario_modifiers SET end_date = NULL WHERE kind <> 'ende'")
op.drop_index('ix_scenario_recurring_items_scenario_id', 'scenario_recurring_items')
op.drop_table('scenario_recurring_items')
op.drop_constraint(FK_PLANNED_CATEGORY, 'scenario_planned_items', type_='foreignkey')
op.drop_column('scenario_planned_items', 'category_id')
op.drop_column('scenario_modifiers', 'start_date')