text: 'use strict';
  
  const stationGroups = require('../models/station-groups');
  const stations = require('../models/stations');
  
  module.exports = {
    up: function (sequelize) {
      return sequelize.createTable('stationGroups', stationGroups.definition)
      .then(() => sequelize.createTable('stations', stations.definition));
    },
  
    down: function (sequelize) {
      return sequelize.dropTable('stations')
      .then(() => sequelize.dropTable('stationGroups'));
    }
  };
  