www/convertUtils.js

/*
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
*/

var utils = require('cordova/utils');

module.exports = {
    /**
    * Converts primitives into Complex Object
    * Currently only used for Date fields
    */
    toCordovaFormat: function (contact) {
        var value = contact.birthday;
        if (value !== null) {
            try {
              contact.birthday = new Date(parseFloat(value));
              
              //we might get 'Invalid Date' which does not throw an error
              //and is an instance of Date.
              if (isNaN(contact.birthday.getTime())) {
                contact.birthday = null;
              }

            } catch (exception){
              console.log("Cordova Contact toCordovaFormat error: exception creating date.");
            }
        }
        return contact;
    },

    /**
    * Converts Complex objects into primitives
    * Only conversion at present is for Dates.
    **/
    toNativeFormat: function (contact) {
        var value = contact.birthday;
        if (value !== null) {
            // try to make it a Date object if it is not already
            if (!utils.isDate(value)){
                try {
                    value = new Date(value);
                } catch(exception){
                    value = null;
                }
            }
            if (utils.isDate(value)){
                value = value.valueOf(); // convert to milliseconds
            }
            contact.birthday = value;
        }
        return contact;
    }
};