fossasia/loklak_webclient

'use strict';

var servicesModule = require('./_index.js');

/**
 * @ngInject
 */
function JsonFieldAccessorService() {

    var service = {};
    // support "deep" field accessing : field is location.lat => result = json[location][lat]
    service.accessField = function(json, field) {
        if (!json) {
            return '';
        }
        var dotPos = field.indexOf(".");
        if (dotPos === -1) {
            if (json[field]) {
                return json[field];
            } else {
                return '';
            }
        }
        var firstPart = field.substr(0, dotPos);
        var secondPart = field.substr(dotPos+1);
        return service.accessField(json[firstPart], secondPart);
    };

    return service;
}

servicesModule.service('JsonFieldAccessorService', JsonFieldAccessorService);