rvr-nextgen/src/Controller/UserSearchController.php

<?php namespace RVR\Controller;

use RVR\Repository\UserRepository;
use SokoWeb\Interfaces\Authorization\ISecured;
use SokoWeb\Interfaces\Request\IRequest;
use SokoWeb\Interfaces\Response\IContent;
use SokoWeb\Response\JsonContent;

class UserSearchController implements ISecured
{
    private IRequest $request;

    private UserRepository $userRepository;

    public function __construct(IRequest $request)
    {
        $this->request = $request;
        $this->userRepository = new UserRepository();
    }

    public function authorize(): bool
    {
        return $this->request->user() !== null;
    }

    public function searchUser(): IContent
    {
        $users = iterator_to_array($this->userRepository->searchByName($this->request->query('q')));
        usort($users, function($a, $b) {
            return strnatcmp($a->getDisplayName(), $b->getDisplayName());
        });

        $results = [];
        foreach ($users as $user) {
            $results[] = ['value' => $user->getId(), 'label' => $user->getFullDisplayName()];
        }

        return new JsonContent([
            'results' => $results
        ]);
    }
}