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<?php
namespace JsonApi\Routes\Courseware;
use JsonApi\Errors\AuthorizationFailedException;
use JsonApi\JsonApiController;
use JsonApi\Routes\ValidationTrait;
use JsonApi\Schemas\Courseware\StructuralElement as StructuralElementSchema;
use Psr\Http\Message\ResponseInterface as Response;
use Psr\Http\Message\ServerRequestInterface as Request;
use Studip\Activity\Activity;
/**
* Create a block in a container.
*/
class StructuralElementsCreate extends JsonApiController
{
use ValidationTrait;
/**
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
*/
public function __invoke(Request $request, Response $response, $args)
{
$json = $this->validate($request);
$parent = $this->getParentFromJson($json);
if (!Authority::canCreateStructuralElement($user = $this->getUser($request), $parent)) {
throw new AuthorizationFailedException();
}
$struct = $this->createStructuralElement($user, $json, $parent);
return $this->getCreatedResponse($struct);
}
/**
* @SuppressWarnings(PHPMD.UnusedFormalParameters)
*/
protected function validateResourceDocument($json, $data)
{
if (!self::arrayHas($json, 'data')) {
return 'Missing `data` member at document´s top level.';
}
if (StructuralElementSchema::TYPE !== self::arrayGet($json, 'data.type')) {
return 'Wrong `type` member of document´s `data`.';
}
if (self::arrayHas($json, 'data.id')) {
return 'New document must not have an `id`.';
}
if (!self::arrayHas($json, 'data.attributes.title')) {
return 'Missing `title` attribute.';
}
if (!self::arrayHas($json, 'data.relationships.parent')) {
return 'Missing `parent` relationship.';
}
if (!$this->getParentFromJson($json)) {
return 'Invalid `parent` relationship.';
}
}
private function getParentFromJson($json)
{
if (!$this->validateResourceObject($json, 'data.relationships.parent', StructuralElementSchema::TYPE)) {
return null;
}
$parentId = self::arrayGet($json, 'data.relationships.parent.data.id');
return \Courseware\StructuralElement::find($parentId);
}
private function createStructuralElement(\User $user, array $json, \Courseware\StructuralElement $parent)
{
$struct = \Courseware\StructuralElement::build([
'parent_id' => $parent->id,
'range_id' => $parent->range_id,
'range_type' => $parent->range_type,
'owner_id' => $user->id,
'editor_id' => $user->id,
'edit_blocker_id' => '',
'title' => self::arrayGet($json, 'data.attributes.title', ''),
'purpose' => self::arrayGet($json, 'data.attributes.purpose', $parent->purpose),
'payload' => self::arrayGet($json, 'data.attributes.payload', ''),
'read_approval' => $parent->read_approval,
'write_approval' => $parent->write_approval,
'position' => $parent->countChildren()
]);
$struct->store();
$template = \Courseware\Template::find(self::arrayGet($json, 'data.templateId'));
if ($template) {
$structure = json_decode($template->structure, true);
foreach($structure['containers'] as $container) {
$new_container = \Courseware\Container::build([
'structural_element_id' => $struct->id,
'owner_id' => $user->id,
'editor_id' => $user->id,
'edit_blocker_id' => '',
'position' => $struct->countContainers(),
'container_type' => $container['attributes']['container-type'],
'payload' => json_encode($container['attributes']['payload']),
]);
$new_container->store();
$blockMap = [];
foreach($container['blocks'] as $block) {
$new_block = \Courseware\Block::build([
'container_id' => $new_container->id,
'owner_id' => $user->id,
'editor_id' => $user->id,
'position' => $new_container->countBlocks(),
'block_type' => $block['attributes']['block-type'],
'payload' => json_encode($block['attributes']['payload']),
'visible' => 1,
]);
$new_block->store();
$blockMap[$block['id']] = $new_block->id;
}
$new_container['payload'] = $new_container->type->copyPayload($blockMap);
$new_container->store();
}
}
return $struct;
}
}
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