resolve-local-event-broker/es/publisher-server/broker/status.js

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

import { SUBSCRIBERS_TABLE_NAME } from '../constants';

const status = async (pool, payload) => {
  const {
    database: {
      runQuery,
      escapeId,
      escapeStr
    },
    parseSubscription
  } = pool;
  const {
    eventSubscriber
  } = payload;
  const subscribersTableNameAsId = escapeId(SUBSCRIBERS_TABLE_NAME);
  const result = await runQuery(`
    SELECT * FROM ${subscribersTableNameAsId}
    WHERE "eventSubscriber" = ${escapeStr(eventSubscriber)}
  `);

  if (result == null || result.length !== 1) {
    throw new Error('Invalid subscriber');
  }

  return parseSubscription(result[0]);
};

export default status;
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