Author: XE Developers (developers@xpressengine.com)
Inheritance: extends Xpressengine\Database\Eloquent\DynamicModel, implements Xpressengine\User\UserInterface
 /**
  * 멘션 suggestion 리스트
  *
  * @param Request $request
  * @return mixed
  */
 public function mention(Request $request)
 {
     $suggestions = [];
     $string = $request->get('string');
     $users = User::where('displayName', 'like', $string . '%')->where('id', '<>', Auth::user()->getId())->get();
     foreach ($users as $user) {
         $suggestions[] = ['id' => $user->getId(), 'displayName' => $user->getDisplayName(), 'profileImage' => $user->profileImage];
     }
     return XePresenter::makeApi($suggestions);
 }
 private function setProfileImageResolverOfUser()
 {
     $default = $this->app['config']['xe.user.profileImage.default'];
     $storage = $this->app['xe.storage'];
     $media = $this->app['xe.media'];
     User::setProfileImageResolver(function ($imageId) use($default, $storage, $media) {
         try {
             if ($imageId !== null) {
                 /** @var Storage $storage */
                 $file = File::find($imageId);
                 if ($file !== null) {
                     /** @var MediaManager $media */
                     $mediaFile = $media->make($file);
                     return asset($mediaFile->url());
                 }
             }
         } catch (\Exception $e) {
         }
         return asset($default);
     });
 }
 /**
  * move to copy
  *
  * @return \Illuminate\Http\RedirectResponse|Redirect
  */
 public function copy(Request $request)
 {
     $documentIds = $request->get('id');
     $documentIds = is_array($documentIds) ? $documentIds : [$documentIds];
     $instanceId = $request->get('instanceId');
     $config = $this->configHandler->get($instanceId);
     if ($config === null) {
         throw new NotFoundConfigHttpException(['instanceId' => $instanceId]);
     }
     $items = Board::find($documentIds);
     foreach ($items as $item) {
         $this->handler->setModelConfig($item, $this->configHandler->get($item->instanceId));
         $user = new Guest();
         if ($item->userId != '') {
             $user = User::find($item->userId);
         }
         $this->handler->copy($item, $user, $config);
     }
     Session::flash('alert', ['type' => 'success', 'message' => xe_trans('xe::processed')]);
     return $this->presenter->makeApi([]);
 }