lux-framework/src/packages/cli/commands/dbdrop.js

Build scalable, Node.js-powered REST APIs with almost no code.

// @flow
import { EOL } from 'os';

import { CWD, NODE_ENV, DATABASE_URL } from '../../../constants';
import { CONNECTION_STRING_MESSAGE } from '../constants';
import DatabaseConfigMissingError from '../errors/database-config-missing';
import { rmrf } from '../../fs';
import { connect } from '../../database';
import { createLoader } from '../../loader';

/**
 * @private
 */
export function dbdrop() {
  const load = createLoader(CWD);
  const config = Reflect.get(load('config').database, NODE_ENV);

  if (!config) {
    throw new DatabaseConfigMissingError(NODE_ENV);
  }

  if (config.driver === 'sqlite3') {
    return rmrf(`${CWD}/db/${config.database}_${NODE_ENV}.sqlite`);
  }

  if (DATABASE_URL || config.url) {
    process.stderr.write(CONNECTION_STRING_MESSAGE);
    process.stderr.write(EOL);
    return Promise.resolve();
  }

  const { schema } = connect(CWD, config);
  const query = `DROP DATABASE IF EXISTS ${config.database}`;

  return schema.raw(query).once('query', () => {
    process.stdout.write(query);
    process.stdout.write(EOL);
  });
}