qzl
c55be6d3fd
Persist a per-email balance snapshot before account deletion and restore it on same-email re-registration, preventing both unintended balance reset and repeated signup bonus grants.
51 lines
1.4 KiB
Python
51 lines
1.4 KiB
Python
"""store register bonus balance snapshot and remove first_user_id fk
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Revision ID: 20260413_0004
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Revises: 20260411_0005
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Create Date: 2026-04-13 00:10:00
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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 = "20260413_0004"
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down_revision: Union[str, Sequence[str], None] = "20260411_0005"
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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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op.execute(
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"ALTER TABLE register_bonus_claims DROP CONSTRAINT IF EXISTS register_bonus_claims_first_user_id_fkey"
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)
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op.drop_column("register_bonus_claims", "first_user_id")
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op.add_column(
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"register_bonus_claims",
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sa.Column("first_user_id_snapshot", sa.UUID(), nullable=True),
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)
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op.add_column(
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"register_bonus_claims",
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sa.Column("balance_snapshot", sa.BigInteger(), nullable=True),
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)
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def downgrade() -> None:
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op.drop_column("register_bonus_claims", "balance_snapshot")
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op.drop_column("register_bonus_claims", "first_user_id_snapshot")
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op.add_column(
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"register_bonus_claims",
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sa.Column("first_user_id", sa.UUID(), nullable=True),
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)
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op.create_foreign_key(
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"register_bonus_claims_first_user_id_fkey",
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"register_bonus_claims",
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"users",
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["first_user_id"],
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["id"],
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source_schema="public",
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referent_schema="auth",
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ondelete="SET NULL",
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)
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