@natlibfi/sru-client/dist/cli.js

SRU Javascript client library

"use strict";

var _fs = _interopRequireDefault(require("fs"));
var _yargs = _interopRequireDefault(require("yargs"));
var _melindaBackendCommons = require("@natlibfi/melinda-backend-commons");
var _index = _interopRequireDefault(require("./index"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
run();

/* eslint-disable max-statements, no-console */
function run() {
  // const logger = createLogger();

  process.on('SIGINT', _melindaBackendCommons.handleInterrupt).on('unhandledRejection', _melindaBackendCommons.handleInterrupt).on('uncaughtException', _melindaBackendCommons.handleInterrupt);
  const args = (0, _yargs.default)(process.argv.slice(2)).scriptName('sru-cli').wrap(_yargs.default.terminalWidth()).epilog('Copyright (C) 2025 University Of Helsinki (The National Library Of Finland)').usage('Environment variable info in example.env').usage('Installed globally: $0 <query> [options]').usage('Not installed: npx $0 <query> [options]').usage('Build from source: node dist/index.js <query> [options]').showHelpOnFail(true).example([['$ node dist/cli.js rec.id=001234567'], ['$ node dist/cli.js dc.title="malli" -s true'], ['$ node dist/cli.js <query>']]).version().env('SRU').positional('query', {
    type: 'string',
    describe: 'sru query'
  }).options({
    s: {
      alias: 'showOutputRecord',
      type: 'boolean',
      default: false,
      describe: ''
    },
    o: {
      alias: 'overwriteFiles',
      type: 'boolean',
      default: true,
      describe: ''
    },
    a: {
      alias: 'retrieveAll',
      type: 'boolean',
      default: false,
      describe: 'Retrieve all record for query'
    },
    r: {
      alias: 'recordSchema',
      type: 'marcxml',
      default: false,
      describe: 'Sru endpoint record schema'
    },
    m: {
      alias: 'metadataFormat',
      type: 'string',
      default: 'string',
      describe: 'Record output schema (string (xml), object, marcJson)'
    },
    w: {
      alias: 'writeFiles',
      type: 'boolean',
      default: false,
      describe: 'Record output as files'
    }
  }).check(args => {
    const [query] = args._;
    if (query === undefined) {
      throw new Error('No query given');
    }
    return true;
  }).parseSync();

  // console.log(JSON.stringify(args));
  const [query] = args._;
  const {
    url,
    showOutputRecord,
    writeFiles,
    retrieveAll,
    recordSchema,
    metadataFormat,
    overwriteFiles
  } = args;
  const sruClient = (0, _index.default)({
    url,
    recordSchema,
    retrieveAll,
    metadataFormat
  });

  // eslint-disable-next-line functional/no-let
  let recordCounter = 0;
  // eslint-disable-next-line functional/no-let
  let recordTotal = 0;
  sruClient.searchRetrieve(query).on('total', onTotal).on('record', onRecord).on('end', onEnd).on('error', onError);
  function onTotal(total) {
    recordTotal = total;
    console.log('********************');
    console.log(`Query has total of ${total} records`);
    console.log('********************');
  }
  function onRecord(record) {
    // eslint-disable-line
    // Comment: console.log(record);
    recordCounter++; //eslint-disable-line
    console.log(`Record ${recordCounter}/${recordTotal}`);
    if (showOutputRecord) {
      // eslint-disable-line
      console.log('Output:'); // eslint-disable-line
      console.log(record); // eslint-disable-line
    }
    const folder = './results';
    if (writeFiles) {
      console.log(`Writing to file: ${folder}/${recordCounter}`); // eslint-disable-line
      prepareFolder(folder, recordCounter);
      _fs.default.writeFileSync(`${folder}/${recordCounter}`, JSON.stringify(record.toObject()));
      return;
    }
    function prepareFolder(folder, fileName) {
      if (_fs.default.existsSync(folder)) {
        if (overwriteFiles) {
          return;
        }
        if (_fs.default.existsSync(`${folder}/${fileName}`)) {
          throw new Error(`${folder}/${fileName} allready exist`);
        }
        return;
      }
      _fs.default.mkdirSync(folder);
      return;
    }
  }
  function onEnd(nextRecordOffset) {
    console.log('********** THE END **********');
    console.log(`NextRecordOffset: ${nextRecordOffset}`);
    console.log('********************');
  }
  function onError(err) {
    console.log(`Error: ${err}`);
  }
}
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