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<?php
namespace Courseware;
use User;
/**
* Courseware's containers.
*
* @author Marcus Eibrink-Lunzenauer <lunzenauer@elan-ev.de>
* @author Till Glöggler <gloeggler@elan-ev.de>
* @author Ron Lucke <lucke@elan-ev.de>
* @license GPL2 or any later version
*
* @since Stud.IP 5.0
*
* @property int $id database column
* @property int $structural_element_id database column
* @property string $owner_id database column
* @property string $editor_id database column
* @property string $edit_blocker_id database column
* @property int $position database column
* @property int $site database column
* @property string $container_type database column
* @property int $visible database column
* @property string $payload database column
* @property int $mkdate database column
* @property int $chdate database column
* @property \Courseware\ContainerTypes\ContainerType $type computed column read/write
* @property \SimpleORMapCollection $blocks has_many Courseware\Block
* @property \User $owner belongs_to User
* @property \User $editor belongs_to User
* @property \User $edit_blocker belongs_to User
* @property \Courseware\StructuralElement $structural_element belongs_to Courseware\StructuralElement
*/
class Container extends \SimpleORMap
{
protected static function configure($config = [])
{
$config['db_table'] = 'cw_containers';
$config['serialized_fields']['payload'] = 'JSONArrayObject';
$config['has_many']['blocks'] = [
'class_name' => Block::class,
'assoc_foreign_key' => 'container_id',
'on_delete' => 'delete',
'on_store' => 'store',
'order_by' => 'ORDER BY position',
];
$config['belongs_to']['owner'] = [
'class_name' => User::class,
'foreign_key' => 'owner_id',
];
$config['belongs_to']['editor'] = [
'class_name' => User::class,
'foreign_key' => 'editor_id',
];
$config['belongs_to']['edit_blocker'] = [
'class_name' => User::class,
'foreign_key' => 'edit_blocker_id',
];
$config['belongs_to']['structural_element'] = [
'class_name' => StructuralElement::class,
'foreign_key' => 'structural_element_id',
];
$config['additional_fields']['type'] = [
'get' => function ($container) {
return ContainerTypes\ContainerType::factory($container);
},
'set' => false,
];
parent::configure($config);
}
/**
* Returns the structural element this container belongs to.
*
* @return StructuralElement the structural element
*/
public function getStructuralElement(): StructuralElement
{
return $this->structural_element;
}
/**
* Returns the number of blocks contained in this.
*
* @return int the number of blocks contained in this
*/
public function countBlocks(): int
{
return Block::countBySql('container_id = ?', [$this->id]);
}
/**
* Copies this block into another structural element such that the given user is the owner of the copy.
*
* @param User $user the owner and editor of the new copy of this block
* @param StructuralElement $element the structural element this block will be copied into
*
* @return Container the copy of this Container
*/
public function copy(User $user, StructuralElement $element): Container
{
$container = self::build([
'structural_element_id' => $element->id,
'owner_id' => $user->id,
'editor_id' => $user->id,
'edit_blocker_id' => null,
'position' => $element->countContainers(),
'container_type' => $this->type->getType(),
'payload' => $this['payload'],
]);
$container->store();
$blockMap = self::copyBlocks($user, $container, $this);
$container['payload'] = $container->type->copyPayload($blockMap);
$container->store();
return $container;
}
private function copyBlocks(User $user, Container $newContainer, Container $remoteContainer): array
{
$blockMap = [];
$blocks = Block::findBySQL('container_id = ?', [$remoteContainer->id]);
foreach ($blocks as $block) {
$newBlock = $block->copy($user, $newContainer);
$blockMap[$block->id] = $newBlock->id;
}
return $blockMap;
}
}
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