141 lines
3.8 KiB
PHP
141 lines
3.8 KiB
PHP
<?php
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/**
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* NRE
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*
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* @author coderkun <olli@coderkun.de>
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* @copyright 2013 coderkun (http://www.coderkun.de)
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* @license http://www.gnu.org/licenses/gpl.html
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* @link http://www.coderkun.de/projects/nre
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*/
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namespace nre\core;
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/**
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* Abstract class for implementing a Model.
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*
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* @author coderkun <olli@coderkun.de>
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*/
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abstract class Model
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{
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/**
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* Load the class of a Model.
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*
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* @throws \nre\exceptions\ModelNotFoundException
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* @throws \nre\exceptions\ModelNotValidException
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* @param string $modelName Name of the Model to load
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*/
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public static function load($modelName)
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{
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// Determine full classname
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$className = self::getClassName($modelName);
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try {
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// Load class
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ClassLoader::load($className);
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// Validate class
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ClassLoader::check($className, get_class());
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}
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catch(\nre\exceptions\ClassNotValidException $e) {
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throw new \nre\exceptions\ModelNotValidException($e->getClassName());
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}
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catch(\nre\exceptions\ClassNotFoundException $e) {
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throw new \nre\exceptions\ModelNotFoundException($e->getClassName());
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}
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}
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/**
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* Instantiate a Model (Factory Pattern).
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*
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* @param string $modelName Name of the Model to instantiate
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*/
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public static function factory($modelName)
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{
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// Determine full classname
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$className = self::getClassName($modelName);
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// Construct and return Model
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return new $className();
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}
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/**
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* Determine the classname for the given Model name.
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*
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* @param string $modelName Model name to get classname of
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* @return string Classname fore the Model name
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*/
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private static function getClassName($modelName)
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{
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$className = ClassLoader::concatClassNames($modelName, ClassLoader::stripNamespace(get_class()));
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return \nre\configs\AppConfig::$app['namespace']."models\\$className";
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}
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/**
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* Construct a new Model.
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*
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* TODO Catch exception
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*
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* @throws \nre\exceptions\DatamodelException
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* @throws \nre\exceptions\DriverNotFoundException
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* @throws \nre\exceptions\DriverNotValidException
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* @throws \nre\exceptions\ModelNotValidException
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* @throws \nre\exceptions\ModelNotFoundException
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*/
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protected function __construct()
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{
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// Load Models
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$this->loadModels();
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}
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/**
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* Load the Models of this Model.
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*
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* @throws \nre\exceptions\DatamodelException
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* @throws \nre\exceptions\DriverNotFoundException
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* @throws \nre\exceptions\DriverNotValidException
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* @throws \nre\exceptions\ModelNotValidException
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* @throws \nre\exceptions\ModelNotFoundException
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*/
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private function loadModels()
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{
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// Determine Models
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$models = array();
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if(property_exists($this, 'models')) {
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$models = $this->models;
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}
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if(!is_array($models)) {
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$models = array($models);
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}
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// Load Models
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foreach($models as $model)
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{
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// Load class
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Model::load($model);
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// Construct Model
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$modelName = ucfirst(strtolower($model));
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$this->$modelName = Model::factory($model);
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}
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}
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}
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?>
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