Disable field edition by role (Drupal 8)

Disable field edition by role (Drupal 8).md

Disable field edition by role (Drupal 8)

A simple code to disable edition of content types fields.

lock_fields.module.php

<?php
/**
 * @file
 * Primary module hooks for the XXX Content Type module.
 */

use Drupal\Core\Form\FormStateInterface;

/**
 * Implements hook_form_BASE_FORM_ID_alter().
 */
function your_content_type_form_node_form_alter(&$form, FormStateInterface $form_state, $form_id) {
  $form_object = $form_state->getFormObject();
  // Check the bundle to apply the hook.
  if ($form_object->getEntity()->bundle() != 'your_bundle') {
    return;
  }
  // If the user has the XXX role(s), disable some fields on the CT.
  $desired_roles = ['role1', 'role2', etc...];
  if (\Drupal::currentUser()->isAuthenticated()) {
    // Get the roles from the authenticated user.
    $roles = \Drupal::currentUser()->getRoles(TRUE);
    if (in_array($desired_roles, $roles) && count($roles) == 1) {
      // Disable the fields.
      $form['field_name']['widget']['#attributes']['disabled'] = 'disabled';
    }
  }
}