Fringg
8375d7ecc5
- Multi-channel subscription enforcement via middleware, events, and cabinet API - 3-layer cache architecture: Redis -> PostgreSQL -> rate-limited Telegram API - ChatMemberUpdated event-driven tracking with automatic VPN access control - Admin management via bot FSM handler and REST API with full CRUD - Channel ID normalization: @username resolved to numeric ID at creation time - Fail-closed error handling: API errors deny access (security-first) - Background reconciliation with keyset pagination (100 per batch) - Per-user rate limiting on subscription check button (5s cooldown) - Redis connection pooling via cache singleton (no per-request connections) - Database: channel_id index, multi-row upsert optimization - Localization: en, ru, zh, fa, ua translations for all new strings - Frontend blocking UI with channel list and subscription status - Admin channel management page with toggle, delete, and create
29 lines
650 B
Python
29 lines
650 B
Python
"""add channel_id index for user_channel_subscriptions
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Revision ID: 0009
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Revises: 0008
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Create Date: 2026-02-24
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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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revision: str = '0009'
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down_revision: Union[str, None] = '0008'
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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.create_index(
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'ix_user_channel_sub_channel_id',
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'user_channel_subscriptions',
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['channel_id'],
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if_not_exists=True,
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)
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def downgrade() -> None:
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op.drop_index('ix_user_channel_sub_channel_id', table_name='user_channel_subscriptions')
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