<?php

/**

* Copyright 2014 Openstack Foundation

* Licensed 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.

**/

class DateTimeUtils {

public static function getCurrentDate(){

$current_date = date("Y-m-d");

if(isset($_COOKIE["user_date"])){

$current_date= $_COOKIE["user_date"];

$current_date = Convert::raw2sql($current_date);

}

return $current_date;

}

public static function getMonthShortName($input_date){

if(is_null($input_date)) return 'TBD';

$date = date_create_from_format('Y-m-d', $input_date);

$monthNumber = date_format($date,"m");

$time = mktime(0, 0, 0, $monthNumber);

$name = strftime("%b", $time);

return $name;

}

public static function getDay($input_date){

if(is_null($input_date)) return 'TBD';

$date = date_create_from_format('Y-m-d', $input_date);

return date_format($date,"d");

}

public static function getYear($input_date){

if(is_null($input_date)) return 'TBD';

$date = date_create_from_format('Y-m-d', $input_date);

return date_format($date,"Y");

}

public static function getDayDiff($input_date_l,$input_date_r){

if(is_null($input_date_l)) return 'TBD';

if(is_null($input_date_r)) return 'TBD';

$date_1 = date_create_from_format('Y-m-d', $input_date_l);

$date_2 = date_create_from_format('Y-m-d', $input_date_r);

$interval = date_diff($date_1, $date_2);

return $interval->format('%a')+1;

}

}