Elep

<?php

/*
 * Your installation or use of this SugarCRM file is subject to the applicable
 * terms available at
 * http://support.sugarcrm.com/Resources/Master_Subscription_Agreements/.
 * If you do not agree to all of the applicable terms or do not have the
 * authority to bind the entity as an authorized representative, then do not
 * install or use this SugarCRM file.
 *
 * Copyright (C) SugarCRM Inc. All rights reserved.
 */

/**
 * ResourceManager.php
 * This class is responsible for resource management of SQL queries, file usage, etc.
 */
class ResourceManager
{
    private static $instance;
    // @codingStandardsIgnoreLine PSR2.Classes.PropertyDeclaration.Underscore
    private $_observers = [];

/**
     * The constructor; declared as private
     */
    private function __construct()
    {
    }

/**
     * getInstance
     * Singleton method to return static instance of ResourceManager
     * @return The static singleton ResourceManager instance
     */
    public static function getInstance()
    {
        if (!isset(self::$instance)) {
            self::$instance = new ResourceManager();
        } // if
        return self::$instance;
    }

/**
     * setup
     * Handles determining the appropriate setup based on client type.
     * It will create a SoapResourceObserver instance if the $module parameter is set to
     * 'Soap'; otherwise, it will try to create a WebResourceObserver instance.
     * @param $module The module value used to create the corresponding observer
     * @return boolean value indicating whether or not an observer was successfully setup
     */
    public function setup($module)
    {
        //Check if config.php exists
        if (!file_exists('config.php') || empty($module)) {
            return false;
        }

if ($module == 'Soap') {
            $observer = new SoapResourceObserver('Soap');
        } else {
            $observer = new WebResourceObserver($module);
        }

//Load config
        if (!empty($observer->module)) {
            $limit = 0;

if (isset($GLOBALS['sugar_config']['resource_management'])) {
                $res = $GLOBALS['sugar_config']['resource_management'];
                if (!empty($res['special_query_modules']) &&
                    safeInArray($observer->module, $res['special_query_modules']) &&
                    !empty($res['special_query_limit']) &&
                    is_int($res['special_query_limit']) &&
                    $res['special_query_limit'] > 0) {
                    $limit = $res['special_query_limit'];
                } elseif (!empty($res['default_limit']) && is_int($res['default_limit']) && $res['default_limit'] > 0) {
                    $limit = $res['default_limit'];
                }
            } //if

if ($limit) {
                $db = DBManagerFactory::getInstance();
                $db->setQueryLimit($limit);
                $observer->setLimit($limit);
                $this->_observers[] = $observer;
            }
            return true;
        }

return false;
    }

/**
     * notifyObservers
     * This method notifies the registered observers with the provided message.
     * @param $msg Message from language file to notify observers with
     */
    public function notifyObservers($msg)
    {

if (empty($this->_observers)) {
            return;
        }

//Notify observers limit has been reached
        if (empty($GLOBALS['app_strings'])) {
            $GLOBALS['app_strings'] = return_application_language($GLOBALS['current_language']);
        }
        $limitMsg = $GLOBALS['app_strings'][$msg];
        foreach ($this->_observers as $observer) {
            $limit = $observer->limit;
            $module = $observer->module;
            eval("\$limitMsg = \"$limitMsg\";");
            $GLOBALS['log']->fatal($limitMsg);
            $observer->notify($limitMsg);
        }
    }

/*
     * getObservers
     * Returns the observer instances that have been setup for the ResourceManager instance
     * @return Array of ResourceObserver(s)
     */
    public function getObservers()
    {
        return $this->_observers;
    }
}