class.arStorage.php

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<?php
require_once(dirname(__FILE__) . '/../class.ActiveRecord.php');

abstract class arStorage extends ActiveRecord {

        protected $external_model_for_storage;


        public static function getInstance(&$model) {
                arFieldCache::storeFromStorage(get_called_class(), $model);
                $storage = self::getCalledClass();
                $method = self::_toCamelCase('get_' . $storage->getArFieldList()->getPrimaryFieldName());
                $storage->setExternalModelForStorage($model);
                $storage->{$storage->getArFieldList()->getPrimaryFieldName()} = $model->{$method}();
                if ($storage->{$storage->getArFieldList()->getPrimaryFieldName()}) {
                        $storage->read();
                }
                $storage->mapFromActiveRecord();

                return $storage;
        }


        public function create() {
                $this->mapToActiveRecord();
                parent::create();
        }


        public function update() {
                $this->mapToActiveRecord();
                parent::update();
        }


        public function read() {
                parent::read();
                $this->mapFromActiveRecord();
        }


        protected function mapToActiveRecord() {
                foreach (array_keys($this->getArFieldList()->getArrayForConnector()) as $key) {
                        $this->{$key} = $this->getValueForStorage($key);
                }
        }


        protected function mapFromActiveRecord() {
                foreach (array_keys($this->getArFieldList()->getArrayForConnector()) as $key) {
                        $this->setValueToModel($key, $this->{$key});
                }
        }


        public function getValueForStorage($key) {
                $method = self::_toCamelCase('get_' . $key);

                return $this->getExternalModelForStorage()->{$method}();
        }


        public function setValueToModel($key, $value) {
                $method = self::_toCamelCase('set_' . $key);

                return $this->getExternalModelForStorage()->{$method}($value);
        }




        //
        // Setter & Getter
        //

        public function setExternalModelForStorage($model) {
                $this->external_model_for_storage = $model;
        }


        public function getExternalModelForStorage() {
                return $this->external_model_for_storage;
        }
}

?>