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<?php
namespace JsonApi\Routes\Forum;
use Forum\Topic;
use JsonApi\Errors\RecordNotFoundException;
use Psr\Http\Message\ServerRequestInterface as Request;
use Psr\Http\Message\ResponseInterface as Response;
use JsonApi\Errors\AuthorizationFailedException;
use JsonApi\JsonApiController;
class TopicDiscussions extends JsonApiController
{
protected $allowedPagingParameters = ['offset', 'limit'];
protected $allowedIncludePaths = [
\JsonApi\Schemas\Forum\Category::REL_TOPICS,
\JsonApi\Schemas\Forum\Discussion::REL_CATEGORY,
\JsonApi\Schemas\Forum\Discussion::REL_USER,
\JsonApi\Schemas\Forum\Discussion::REL_DISCUSSION_TYPE,
\JsonApi\Schemas\Forum\Discussion::REL_MEMBERS,
\JsonApi\Schemas\Forum\Discussion::REL_TAGS
];
public function __invoke(Request $request, Response $response, $args)
{
$topic = Topic::find($args['topic_id']);
if (!$topic) {
throw new RecordNotFoundException();
}
$range = get_object_by_range_id($topic->range_id);
if (!$range) {
throw new RecordNotFoundException();
}
$user = $this->getUser($request);
if (!Authority::canShowForum($user, $range)) {
throw new AuthorizationFailedException();
}
$discussions = $topic->discussions;
return $this->getPaginatedContentResponse(
array_slice($discussions, ...$this->getOffsetAndLimit()),
count($discussions)
);
}
}
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