resolve-local-event-broker/es/publisher-server/lifecycle/drop-database.js

The reSolve framework's event broker for applications on a local machine.

import { ResourceNotExistError } from './lifecycle-errors';
import { BATCHES_TABLE_NAME, NOTIFICATIONS_TABLE_NAME, SUBSCRIBERS_TABLE_NAME } from '../constants';

async function dropDatabase({
  database: {
    runRawQuery,
    escapeId
  }
}) {
  const notificationsTableNameAsId = escapeId(NOTIFICATIONS_TABLE_NAME);
  const subscribersTableNameAsId = escapeId(SUBSCRIBERS_TABLE_NAME);
  const batchesTableNameAsId = escapeId(BATCHES_TABLE_NAME);
  const notificationsSubscriptionIdIndexNameAsId = escapeId(`${NOTIFICATIONS_TABLE_NAME}-subscriptionId`);
  const notificationsBatchIdIndexNameAsId = escapeId(`${NOTIFICATIONS_TABLE_NAME}-batchId`);
  const subscribersEventSubscriberIndexNameAsId = escapeId(`${SUBSCRIBERS_TABLE_NAME}-eventSubscriber`);
  const batchesBatchIdIndexNameAsId = escapeId(`${BATCHES_TABLE_NAME}-batchId`);

  try {
    await runRawQuery(`
      DROP TABLE IF EXISTS ${notificationsTableNameAsId};
      
      DROP TABLE IF EXISTS ${subscribersTableNameAsId};
      
      DROP TABLE IF EXISTS ${batchesTableNameAsId};
      
      DROP INDEX IF EXISTS ${notificationsSubscriptionIdIndexNameAsId};

      DROP INDEX IF EXISTS ${notificationsBatchIdIndexNameAsId};

      DROP INDEX IF EXISTS ${subscribersEventSubscriberIndexNameAsId};
      
      DROP INDEX IF EXISTS ${batchesBatchIdIndexNameAsId};
      
      COMMIT;
      BEGIN IMMEDIATE;
    `);
  } catch (error) {
    if (error != null && /^SQLITE_ERROR: no such table.*?$/.test(error.message)) {
      throw new ResourceNotExistError(`Double-free event-bus database failed`);
    } else {
      throw error;
    }
  }
}

export default dropDatabase;
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