feat(access): демо-QR — многоразовое приглашение для показа
CI / ruff · mypy · pytest (pull_request) Successful in 1h3m54s
CI / ruff · mypy · pytest (pull_request) Successful in 1h3m54s
- invites.max_uses/uses: обычное приглашение — 1 вход, демо-QR — до DEMO_INVITE_MAX_USES (50), живёт DEMO_INVITE_TTL_HOURS (3 ч); захват атомарный, UPDATE … WHERE uses < max_uses - users.guest: вошедшие по демо-QR; «🧹 Отключить гостей демо» отзывает всех и гасит демо-QR - «👥 Участники»: кнопка «🎤 Демо-QR», гости в списке — 🎟 - миграция 0003 (ADD COLUMN без batch — SQLite не пересоздаёт users); проверена на Postgres - SPEC A-3a, ADR-017, DEMO.md, .env.example Refs #55 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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"""multi-use demo invite (#55): invites.max_uses/uses, users.guest
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Revision ID: 0003
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Revises: 0002
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Create Date: 2026-10-22 12:00:00
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"""
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from collections.abc import Sequence
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import sqlalchemy as sa
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from alembic import op
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revision: str = "0003"
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down_revision: str | None = "0002"
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branch_labels: str | Sequence[str] | None = None
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depends_on: str | Sequence[str] | None = None
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def upgrade() -> None:
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# Plain ADD COLUMN, not batch: on SQLite a batch rebuilds `users`, which invites reference, and the FKs fail
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op.add_column("invites", sa.Column("max_uses", sa.Integer(), server_default="1", nullable=False))
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op.add_column("invites", sa.Column("uses", sa.Integer(), server_default="0", nullable=False))
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op.add_column("users", sa.Column("guest", sa.Boolean(), server_default=sa.false(), nullable=False))
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# Invites redeemed before this migration are spent
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op.execute("UPDATE invites SET uses = 1 WHERE used_by IS NOT NULL")
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def downgrade() -> None:
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with op.batch_alter_table("users", schema=None) as batch_op:
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batch_op.drop_column("guest")
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with op.batch_alter_table("invites", schema=None) as batch_op:
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batch_op.drop_column("uses")
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batch_op.drop_column("max_uses")
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