acquia_vwo-1.0.x-dev/src/Form/VisibilityForm.php

<?php

namespace Drupal\acquia_vwo\Form;

use Drupal\acquia_vwo\Service\Condition\ConditionResolver;
use Drupal\Core\Config\ConfigFactoryInterface;
use Drupal\Core\Config\TypedConfigManagerInterface;
use Drupal\Core\Form\ConfigFormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Form\SubformState;
use Symfony\Component\DependencyInjection\ContainerInterface;

// cspell:ignore user_opt nocontrol optout optin
/**
 * Defines Visibility settings form.
 */
class VisibilityForm extends ConfigFormBase {

  /**
   * The condition plugin manager.
   *
   * @var \Drupal\acquia_vwo\Service\Condition\ConditionResolver
   */
  protected ConditionResolver $conditionResolver;

  /**
   * Constructs a ContainerForm object.
   *
   * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
   *   The config factory.
   * @param \Drupal\Core\Config\TypedConfigManagerInterface $typed_config
   *   The typed configuration manager.
   * @param \Drupal\acquia_vwo\Service\Condition\ConditionResolver $condition_resolver
   *   The Condition Resolver for building the insertion conditions.
   */
  public function __construct(
    ConfigFactoryInterface $config_factory,
    TypedConfigManagerInterface $typed_config,
    ConditionResolver $condition_resolver,
  ) {
    parent::__construct($config_factory, $typed_config);
    $this->conditionResolver = $condition_resolver;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static(
      $container->get('config.factory'),
      $container->get('config.typed'),
      $container->get('acquia_vwo.service.condition.condition_resolver'),
    );
  }

  /**
   * {@inheritdoc}
   */
  public function getFormId() {
    return 'acquia_vwo_settings_visibility';
  }

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    $form = parent::buildForm($form, $form_state);

    $form['enabled'] = [
      '#type' => 'radios',
      '#title' => $this->t('VWO script'),
      '#description' => $this->t('The VWO scripts are added to every page by default. You can customize the scripts visibility.'),
      '#options' => [
        'off' => $this->t('Attach the scripts to every page'),
        'on' => $this->t('Customize scripts visibility'),
      ],
      '#required' => TRUE,
      '#config_target' => 'acquia_vwo.settings:visibility.enabled',
    ];

    $form['custom'] = [
      '#type' => 'fieldset',
      '#title' => $this->t('User specific visibility settings'),
      '#states' => [
        'visible' => [
          ':input[name=enabled]' => ['value' => 'on'],
        ],
      ],
    ];

    $form['custom']['user'] = [
      '#type' => 'radios',
      '#title' => $this->t('Allow individual users to opt in/out to being included in the tests.'),
      '#options' => [
        'nocontrol' => $this->t('Users cannot control whether or not the VWO integration is enabled.'),
        'optout' => $this->t('Enabled default, but let individual users turn it off.'),
        'optin' => $this->t('Disabled by default but let individual users turn it on.'),
      ],
      '#description' => $this->t('Users can view this setting when they edit their account details.'),
      '#config_target' => 'acquia_vwo.settings:visibility.user_control',
    ];

    $form['conditions'] = $this->conditionsForm([], $form_state);

    return $form;
  }

  /**
   * Builds the form elements for the insertion conditions.
   *
   * @param array $form
   *   An associative array containing the structure of the form.
   * @param \Drupal\Core\Form\FormStateInterface $form_state
   *   The current state of the form.
   *
   * @return array
   *   The augmented form array with the insertion condition elements.
   */
  protected function conditionsForm(array $form, FormStateInterface $form_state): array {
    $form['#tree'] = TRUE;
    $form['condition_tabs'] = [
      '#type' => 'vertical_tabs',
      '#title' => $this->t('Conditions'),
      '#description' => $this->t('If more than one condition is set, they are treated as boolean (AND).'),
      '#description_display' => 'before',
      '#parents' => ['condition_tabs'],
      '#states' => [
        'visible' => [
          ':input[name=enabled]' => ['value' => 'on'],
        ],
      ],
    ];

    // Populate conditions.
    $config = $this->config('acquia_vwo.settings');
    $conditions_config = $config->get('visibility.conditions') ?? [];
    $conditions = $this->conditionResolver->getConfigConditions($conditions_config);
    foreach ($conditions as $condition_id => $condition) {
      $form_state->set(['conditions', $condition_id], $condition);
      $condition_form = $condition->buildConfigurationForm([], $form_state);
      $condition_form['#type'] = 'details';
      $condition_form['#title'] = $condition->getPluginDefinition()['label'];
      $condition_form['#group'] = 'condition_tabs';
      $form[$condition_id] = $condition_form;
    }

    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function validateForm(array &$form, FormStateInterface $form_state) {
    $this->validateConditionsForm($form, $form_state);
  }

  /**
   * Form validation handler for the insertion conditions.
   *
   * @param array $form
   *   An associative array containing the structure of the form.
   * @param \Drupal\Core\Form\FormStateInterface $form_state
   *   The current state of the form.
   */
  protected function validateConditionsForm(array $form, FormStateInterface $form_state) {
    // Validate visibility condition settings.
    foreach ($form_state->getValue('conditions') as $condition_id => $values) {
      // All condition plugins use 'negate' as a Boolean in their schema.
      // However, certain form elements may return it as 0/1. Cast here to
      // ensure the data is in the expected type.
      if (array_key_exists('negate', $values)) {
        $form_state->setValue([
          'conditions',
          $condition_id,
          'negate',
        ], (bool) $values['negate']);
      }
      /** @var \Drupal\Core\Condition\ConditionInterface $condition */
      $condition = $form_state->get(['conditions', $condition_id]);
      $condition->validateConfigurationForm($form['conditions'][$condition_id], SubformState::createForSubform($form['conditions'][$condition_id], $form, $form_state));
    }
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    parent::submitForm($form, $form_state);

    $this->submitConditionsForm($form, $form_state);
  }

  /**
   * Form submission handler for the insertion conditions.
   *
   * @param array $form
   *   An associative array containing the structure of the form.
   * @param \Drupal\Core\Form\FormStateInterface $form_state
   *   The current state of the form.
   */
  protected function submitConditionsForm(array $form, FormStateInterface $form_state) {
    $conditions = [];
    foreach ($form_state->getValue('conditions') as $condition_id => $values) {
      /** @var \Drupal\Core\Condition\ConditionInterface $condition */
      $condition = $form_state->get(['conditions', $condition_id]);
      $condition->submitConfigurationForm($form['conditions'][$condition_id], SubformState::createForSubform($form['conditions'][$condition_id], $form, $form_state));
      $configuration = $condition->getConfiguration();

      // Due to strict type checking, cast negation to a boolean.
      $configuration['negate'] = (bool) (array_key_exists('negate', $configuration) ? $configuration['negate'] : FALSE);

      // Update the insertion conditions config.
      $conditions[$condition_id] = $configuration;
    }
    $config = $this->config('acquia_vwo.settings');
    $config->set('visibility.conditions', $conditions)->save();
  }

  /**
   * {@inheritdoc}
   */
  protected function getEditableConfigNames() {
    return [
      'acquia_vwo.settings',
    ];
  }

}