Adding parameters to query

app.adapters.stop.js

import Ember from 'ember';
import ApplicationAdapter from 'london-waits/pods/application/adapter';
import config from 'london-waits/config/environment';

function readStopId(id) {
  return id.split(':')[0];
}

export default ApplicationAdapter.extend({
  pathForType(type) {
    Ember.assert(`Expected type='stop'. Got ${type}`, type === 'stop');
    return 'StopPoint';
  },

  findRecord(store, type, id) {
    id = readStopId(id);
    return this._super(store, type, id);
  },

  query: function(store, type, query) {
    Ember.$.extend(query, {
      stopTypes: 'NaptanPublicBusCoachTram,NaptanRailEntrance,NaptanMetroStation',
      modes: 'bus,overground,dlr,tube',
      useStopPointHierarchy: false,
      includeChildren: false,
      returnLines: true,
      radius: config.APP.vicinityRadius,
    });

    const url = this.buildURL(type.modelName, null, null, 'query', query);

    if (this.sortQueryParams) {
      query = this.sortQueryParams(query);
    }

    return this.ajax(url, 'GET', { data: query });
  },
});