@atproto/ozone/dist/db/migrations/20251008T120000000Z-add-strike-system.js

Backend service for moderating the Bluesky network.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.up = up;
exports.down = down;
const kysely_1 = require("kysely");
async function up(db) {
    await db.schema
        .alterTable('moderation_event')
        .addColumn('severityLevel', 'varchar')
        .execute();
    await db.schema
        .alterTable('moderation_event')
        .addColumn('strikeCount', 'integer')
        .execute();
    await db.schema
        .alterTable('moderation_event')
        .addColumn('strikeExpiresAt', 'varchar')
        .execute();
    await db.schema
        .createTable('account_strike')
        .addColumn('did', 'text', (col) => col.primaryKey())
        .addColumn('firstStrikeAt', 'varchar')
        .addColumn('lastStrikeAt', 'varchar')
        .addColumn('activeStrikeCount', 'integer', (col) => col.notNull().defaultTo(0))
        .addColumn('totalStrikeCount', 'integer', (col) => col.notNull().defaultTo(0))
        .execute();
    await db.schema
        .createTable('job_cursor')
        .addColumn('job', 'text', (col) => col.primaryKey())
        .addColumn('cursor', 'text')
        .addColumn('updatedAt', 'text', (col) => col.defaultTo((0, kysely_1.sql) `now()`).notNull())
        .execute();
    // This supports fast look up for background job that aggregates strike data per subjectDid
    await db.schema
        .createIndex('moderation_event_subject_did_strike_count_idx')
        .on('moderation_event')
        .columns(['subjectDid', 'strikeCount'])
        .execute();
    // This supports fast lookup in the background job that needs to find strikes that have expired
    await (0, kysely_1.sql) `
    CREATE INDEX moderation_event_strike_expires_at_strike_count_idx
    ON moderation_event ("strikeExpiresAt", "strikeCount")
    WHERE "strikeExpiresAt" IS NOT NULL AND "strikeCount" IS NOT NULL
  `.execute(db);
    // for sorting and filtering by active strike count
    await db.schema
        .createIndex('account_strike_active_count_idx')
        .on('account_strike')
        .column('activeStrikeCount')
        .execute();
}
async function down(db) {
    await db.schema
        .dropIndex('moderation_event_subject_did_strike_count_idx')
        .execute();
    await db.schema
        .dropIndex('moderation_event_strike_expires_at_strike_count_idx')
        .execute();
    await db.schema.dropIndex('account_strike_active_count_idx').execute();
    await db.schema.dropTable('account_strike').execute();
    await db.schema.dropTable('job_cursor').execute();
    await db.schema
        .alterTable('moderation_event')
        .dropColumn('severityLevel')
        .execute();
    await db.schema
        .alterTable('moderation_event')
        .dropColumn('strikeCount')
        .execute();
    await db.schema
        .alterTable('moderation_event')
        .dropColumn('strikeExpiresAt')
        .execute();
}
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