<?php

/**
 * OrangeHRM is a comprehensive Human Resource Management (HRM) System that captures
 * all the essential functionalities required for any enterprise.
 * Copyright (C) 2006 OrangeHRM Inc., http://www.orangehrm.com
 *
 * OrangeHRM is free software; you can redistribute it and/or modify it under the terms of
 * the GNU General Public License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * OrangeHRM is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with this program;
 * if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA  02110-1301, USA
 */

class ohrmListSummaryHelper {
    private static $collection = array();
    private static $count = array();
    
    public static function collectValue($value, $function) {

        if (!isset(self::$collection[$function])) {
            self::$collection[$function] = 0;
            self::$count[$function] = 0;
        }
        
        self::$collection[$function] += $value;
        self::$count[$function]++;

    }
    
    public static function getAggregateValue($function, $decimals) {
        $aggregateValue = null;
        
        switch($function) {
            case 'SUM':    
                break;
            default:
                // TODO: Warn. Unsupported function
                break;
        }
        
        return number_format($aggregateValue, $decimals);
    }
}