1

MYMODULE.module:

function MYMODULE_preprocess_node(&$variables) {

    if ($variables['node']->bundle() == 'content_type') {

        $currentUserUID = \Drupal::currentUser()->id();
        $recipients = $variables['node']->get('field_user_reference')->getValue();
        $userList = array();

        foreach ($recipients as $recipient) {

            if ($recipient['target_id'] != $currentUserUID) {
                $userList[] = \Drupal\user\Entity\User::load($recipient['target_id']);
            }

        }

        if ($variables['node']->getOwnerId() != $currentUserUID) {
            $userList[] = \Drupal\user\Entity\User::load($variables['node']->getOwnerId());
        }

        $variables['userList'] = $userList;

    }

}

FILENAME.twig.html:

{{ userList | render }}

I've also tried working with:

$recipients = $variables['node']->get('field_user_reference')->view('compact');

and tried to filter the UID in the if statement inside the foreach.


My goal is to gather all users referenced from field_user_reference, and add the owner of the node, while filtering out the currentUser() into a single array. I then need to render that array in a twig template file as a user display mode. In this instance, compact.

I am not sure if my impasse lies in twig rendering, or better preprocessing.

How do you render a preprocessed user object in a twig template file?


Notes:

$recipients = $variables['node']->get('field_user_reference')->view('compact');

does render out the referenced users in the compact view mode, however I cannot seem to filter out the current user with something like $recipient->uid[0]->target_id != $currentUserUID.

2

Before you can render a list of entities you have to build a render array:

$variables['userList'] = \Drupal::entityTypeManager()
  ->getViewBuilder('user')
  ->viewMultiple($userList, 'compact');

Now Twig is able to render the entities:

{{ userList }}    

You don't need |render, because Twig renders arrays automatically.

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