Issue #3500158 - Allow users to bypass

Related to #3500158

src/Form/FapiValidationForm.php

+<?php
+
+namespace Drupal\fapi_validation\Form;
+
+use Drupal\Core\Form\ConfigFormBase;
+use Drupal\Core\Form\FormStateInterface;
+
+/**
+ * Form handler for adding fapi validation settings.
+ */
+class FapiValidationForm extends ConfigFormBase {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function getFormId() {
+    return 'fapi_validation_form';
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function getEditableConfigNames() {
+    return [
+      'fapi_validation.settings',
+    ];
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildForm(array $form, FormStateInterface $form_state) {
+    $config = $this->configFactory->getEditable('fapi_validation.settings');
+
+    $form['bypass'] = [
+      '#type' => 'checkbox',
+      '#title' => $this->t('Bypass validations'),
+      '#description' => $this->t('Allows a user to bypass Form API validations by having the required permission.'),
+      '#default_value' => $config->get('bypass') ?? FALSE,
+    ];
+
+    return parent::buildForm($form, $form_state);
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  public function submitForm(array &$form, FormStateInterface $form_state) {
+    $this->configFactory->getEditable('fapi_validation.settings')
+      ->set('bypass', (bool) $form_state->getValue('bypass'))
+      ->save();
+
+    parent::submitForm($form, $form_state);
+  }
+
+}