41 lines
1.3 KiB
Python
41 lines
1.3 KiB
Python
"""Add challenge proposals support
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Revision ID: 011_add_challenge_proposals
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Revises: 010_add_telegram_profile
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Create Date: 2024-12-18
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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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from sqlalchemy import inspect
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# revision identifiers, used by Alembic.
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revision: str = '011_add_challenge_proposals'
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down_revision: Union[str, None] = '010_add_telegram_profile'
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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 column_exists(table_name: str, column_name: str) -> bool:
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bind = op.get_bind()
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inspector = inspect(bind)
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columns = [col['name'] for col in inspector.get_columns(table_name)]
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return column_name in columns
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def upgrade() -> None:
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if not column_exists('challenges', 'proposed_by_id'):
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op.add_column('challenges', sa.Column('proposed_by_id', sa.Integer(), sa.ForeignKey('users.id'), nullable=True))
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if not column_exists('challenges', 'status'):
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op.add_column('challenges', sa.Column('status', sa.String(20), server_default='approved', nullable=False))
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def downgrade() -> None:
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if column_exists('challenges', 'status'):
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op.drop_column('challenges', 'status')
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if column_exists('challenges', 'proposed_by_id'):
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op.drop_column('challenges', 'proposed_by_id')
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