@jambonz/realtimedb-helpers/lib/list-calls.js

utility functions for querying jambonz redis database

const {makePatternForCallScan, CALL_SET, noopLogger} = require('./utils');
const debug = require('debug')('jambonz:realtimedb-helpers');

async function listCallInfo(client, logger, opts) {
  logger = logger || noopLogger;
  let accountSid, direction, from, to, callStatus;
  if (typeof opts === 'string') {
    // old logic
    accountSid = opts;
  } else {
    accountSid = opts.accountSid;
    direction = opts.direction;
    from = opts.from;
    to = opts.to;
    callStatus = opts.callStatus;
  }
  try {
    const pattern = makePatternForCallScan(accountSid);
    const calls = [];

    debug(`listCallInfo: scanning with match ${pattern}`);
    async function scan(cursor) {
      try {
        const res = await client.zscan(CALL_SET, cursor, 'MATCH', pattern);
        for (let i = 0; i < res[1].length; i += 2) {
          const key = res[1][i];
          const call = await client.hgetall(key);
          if (call) {
            if (direction && direction !== call.direction) {
              continue;
            }
            if (from && from !== call.from) {
              continue;
            }
            if (to && to !== call.to) {
              continue;
            }
            if (callStatus && callStatus !== call.callStatus) {
              continue;
            }
            calls.push(call);
          } else {
            await client.zrem(CALL_SET, key);
          }
        }
        return res[0];  // return updated cursor
      } catch (err) {
        logger.error(err, 'Error scanning sorted call set');
        return '0';
      }
    }

    let cursor = '0';
    do {
      cursor = await scan(cursor);
    } while ('0' !== cursor);

    debug(`listCallInfo retrieved ${calls.length} calls`);
    logger.debug(`listCallInfo retrieved ${calls.length} calls`);
    return calls;
  } catch (err) {
    debug(err, `listCallInfo: Error retrieving calls for account sid ${accountSid}`);
    logger.error(err, `listCallInfo: Error retrieving calls for account sid ${accountSid}`);
  }
}

module.exports = listCallInfo;