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<?php
namespace JsonApi\Routes\Courseware;
use Courseware\StructuralElement;
use JsonApi\Errors\AuthorizationFailedException;
use JsonApi\Errors\RecordNotFoundException;
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;
/**
* Update one Block.
*/
class StructuralElementsUpdate extends JsonApiController
{
use EditBlockAwareTrait;
use ValidationTrait;
/**
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
*/
public function __invoke(Request $request, Response $response, $args)
{
if (!($resource = StructuralElement::find($args['id']))) {
throw new RecordNotFoundException();
}
$json = $this->validate($request, $resource);
if (!Authority::canUpdateStructuralElement($user = $this->getUser($request), $resource)) {
throw new AuthorizationFailedException();
}
$resource = $this->updateStructuralElement($user, $resource, $json);
return $this->getContentResponse($resource);
}
/**
* @SuppressWarnings(PHPMD.UnusedFormalParameters)
*/
protected function validateResourceDocument($json, $resource)
{
if (!self::arrayHas($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 'Document must have an `id`.';
}
if (self::arrayHas($json, 'data.relationships.parent')) {
// Sonderfall: Wurzel hat kein parent und kann auch nicht verändert werden
if ($resource->isRootNode()) {
if (null !== self::arrayGet($json, 'data.relationships.parent.data')) {
return 'Cannot modify `parent` of a root node.';
}
// Regelfall: Es gibt die Relation, aber `parent` ist ungültig.
} else {
$parent = $this->getParentFromJson($json);
if (!$parent) {
return 'Invalid `parent` relationship.';
}
// keine Schleifen
if (
in_array(
$resource->id,
array_merge(
[$parent->id],
array_map(function ($ancestor) {
return $ancestor->id;
}, $parent->findAncestors())
)
)
) {
return 'Invalid `parent` relationship resulting in a cycle.';
}
}
}
}
private function getParentFromJson($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 updateStructuralElement(\User $user, StructuralElement $resource, array $json): StructuralElement
{
return $this->updateLockedResource($user, $resource, function ($user, $resource) use ($json) {
$attributes = [
'copy-approval',
'external-relations',
'payload',
'position',
'public',
'purpose',
'read-approval',
'release-date',
'title',
'withdraw-date',
'write-approval',
];
foreach ($attributes as $jsonKey) {
$sormKey = strtr($jsonKey, '-', '_');
if ($val = self::arrayGet($json, 'data.attributes.'.$jsonKey, '')) {
$resource->$sormKey = $val;
}
}
if (isset($json['data']['attributes']['release-date'])) {
$resource->release_date = $json['data']['attributes']['release-date'];
}
if (isset($json['data']['attributes']['withdraw-date'])) {
$resource->withdraw_date = $json['data']['attributes']['withdraw-date'];
}
// update parent
if (self::arrayHas($json, 'data.relationships.parent')) {
$parent = $this->getParentFromJson($json);
$resource->parent_id = $parent->id;
}
$resource->editor_id = $user->id;
$resource->store();
return $resource;
});
}
}
|
