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/*
* This file is part of the ICanBoogie package.
*
* (c) Olivier Laviale <olivier.laviale@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace ICanBoogie\Module;
use ICanBoogie\ActiveRecord;
use ICanBoogie\ActiveRecord\ConnectionCollection;
use ICanBoogie\Module;
/**
* Model collection.
*
* Extends the ActiveRecord model collection with the models defined by the modules.
*/
class ModelCollection extends ActiveRecord\ModelCollection
{
/**
* @var ModuleCollection
*/
private $modules;
/**
* @param ConnectionCollection $connections Connections manager.
* @param ModuleCollection $modules ModuleCollection manager.
* @param array $definitions Model definitions.
*/
public function __construct(ConnectionCollection $connections, ModuleCollection $modules, array $definitions = [])
{
parent::__construct($connections, $definitions);
$this->modules = $modules;
}
/**
* Checks if a model exists by first checking if the module it belongs to is enabled and that
* it actually defines the model.
*
* @param string $id
*
* @return bool
*/
public function offsetExists($id)
{
list($module_id, $model_id) = explode('/', $id) + [ 1 => 'primary' ];
if (!isset($this->modules[$module_id]))
{
return parent::offsetExists($id);
}
$descriptor = $this->modules->descriptors[$module_id];
return isset($descriptor[Descriptor::MODELS][$model_id]);
}
/**
* Gets the specified model of the specified module.
*
* The pattern used to request a model is `<module_id>[/<model_id>]` where `<module_id>` is
* the identifier of the module and `<model_id>` is the identifier of the module's model. The
* `<model_id>` part is optional and defaults to `primary`.
*
* @param string $id Identifier of the model.
*
* @return ActiveRecord\Model
*/
public function offsetGet($id)
{
if (isset($this->instances[$id]))
{
return $this->instances[$id];
}
list($module_id, $model_id) = explode('/', $id) + [ 1 => 'primary' ];
if (!isset($this->modules[$module_id]))
{
return parent::offsetGet($id);
}
return $this->instances[$id] = $this->modules[$module_id]->model($model_id);
}
}