55 lines
2.5 KiB
Python
55 lines
2.5 KiB
Python
"""Add swap_requests table for two-sided swap confirmation
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Revision ID: 006_add_swap_requests
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Revises: 005_assignment_event
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Create Date: 2024-12-15
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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 identifiers, used by Alembic.
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revision: str = '006_add_swap_requests'
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down_revision: Union[str, None] = '005_add_assignment_event_type'
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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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# Create swap_requests table if it doesn't exist
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conn = op.get_bind()
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inspector = sa.inspect(conn)
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tables = inspector.get_table_names()
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if 'swap_requests' not in tables:
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op.create_table(
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'swap_requests',
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sa.Column('id', sa.Integer(), nullable=False),
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sa.Column('event_id', sa.Integer(), nullable=False),
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sa.Column('from_participant_id', sa.Integer(), nullable=False),
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sa.Column('to_participant_id', sa.Integer(), nullable=False),
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sa.Column('from_assignment_id', sa.Integer(), nullable=False),
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sa.Column('to_assignment_id', sa.Integer(), nullable=False),
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sa.Column('status', sa.String(20), nullable=False, server_default='pending'),
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sa.Column('created_at', sa.DateTime(), nullable=False, server_default=sa.func.now()),
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sa.Column('responded_at', sa.DateTime(), nullable=True),
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sa.PrimaryKeyConstraint('id'),
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sa.ForeignKeyConstraint(['event_id'], ['events.id'], ondelete='CASCADE'),
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sa.ForeignKeyConstraint(['from_participant_id'], ['participants.id'], ondelete='CASCADE'),
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sa.ForeignKeyConstraint(['to_participant_id'], ['participants.id'], ondelete='CASCADE'),
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sa.ForeignKeyConstraint(['from_assignment_id'], ['assignments.id'], ondelete='CASCADE'),
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sa.ForeignKeyConstraint(['to_assignment_id'], ['assignments.id'], ondelete='CASCADE'),
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)
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op.create_index('ix_swap_requests_event_id', 'swap_requests', ['event_id'])
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op.create_index('ix_swap_requests_from_participant_id', 'swap_requests', ['from_participant_id'])
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op.create_index('ix_swap_requests_to_participant_id', 'swap_requests', ['to_participant_id'])
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def downgrade() -> None:
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op.drop_index('ix_swap_requests_to_participant_id', table_name='swap_requests')
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op.drop_index('ix_swap_requests_from_participant_id', table_name='swap_requests')
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op.drop_index('ix_swap_requests_event_id', table_name='swap_requests')
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op.drop_table('swap_requests')
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