SaveEntityVariableAction.php in Business Rules 8

Namespace

Drupal\business_rules\Plugin\BusinessRulesAction

File

src/Plugin/BusinessRulesAction/SaveEntityVariableAction.php

<?php

namespace Drupal\business_rules\Plugin\BusinessRulesAction;

use Drupal\business_rules\ActionInterface;
use Drupal\business_rules\Entity\Action;
use Drupal\business_rules\Entity\Variable;
use Drupal\business_rules\Events\BusinessRulesEvent;
use Drupal\business_rules\ItemInterface;
use Drupal\business_rules\Plugin\BusinessRulesActionPlugin;
use Drupal\business_rules\VariableObject;
use Drupal\Core\Entity\Entity;
use Drupal\Core\Entity\EntityInterface;
use Drupal\Core\Form\FormStateInterface;

/**
 * Class SaveEntityVariableAction.
 *
 * @package Drupal\business_rules\Plugin\BusinessRulesAction
 *
 * @BusinessRulesAction(
 *   id = "save_entity_variable",
 *   label = @Translation("Save entity variable"),
 *   group = @Translation("Variable"),
 *   description = @Translation("Save a entity stored in a variable."),
 *   isContextDependent = FALSE,
 *   hasTargetEntity = TRUE,
 *   hasTargetBundle = TRUE,
 *   hasTargetField = FALSE,
 * )
 */
class SaveEntityVariableAction extends BusinessRulesActionPlugin {

  /**
   * Delete all expirable key value pairs.
   */
  public function __destruct() {
    $key_value = $this->util
      ->getKeyValueExpirable('save_entity_variable');
    $key_value
      ->deleteAll();
  }

  /**
   * {@inheritdoc}
   */
  public function getSettingsForm(array &$form, FormStateInterface $form_state, ItemInterface $item) {
    $settings = [];
    if (!$item
      ->isNew()) {
      $settings['variable'] = [
        '#type' => 'select',
        '#title' => t('Entity variable'),
        '#required' => TRUE,
        '#description' => t('Entity variable to be saved. Remember to create actions to fill the entity variable fields and execute them before save the entity.'),
        '#options' => $this
          ->getAvailableEmptyVariables($item),
        '#default_value' => empty($item
          ->getSettings('variable')) ? '' : $item
          ->getSettings('variable'),
      ];
    }
    return $settings;
  }

  /**
   * Get the available empty variables for the context.
   *
   * @param \Drupal\business_rules\Entity\Action $item
   *   The action.
   *
   * @return array
   *   Array of available variables.
   */
  protected function getAvailableEmptyVariables(Action $item) {
    $variables = Variable::loadMultiple();
    $output = [];

    /** @var \Drupal\business_rules\Entity\Variable $variable */
    foreach ($variables as $variable) {
      if ($item
        ->getTargetEntityType() == $variable
        ->getTargetEntityType() && $item
        ->getTargetBundle() == $variable
        ->getTargetBundle() && $variable
        ->getType() == 'entity_empty_variable') {
        $output[$variable
          ->id()] = $variable
          ->label() . ' [' . $variable
          ->id() . ']';
      }
    }
    return $output;
  }

  /**
   * {@inheritdoc}
   */
  public function buildForm(array &$form, FormStateInterface $form_state) {
    unset($form['variables']);
  }

  /**
   * {@inheritdoc}
   */
  public function execute(ActionInterface $action, BusinessRulesEvent $event) {

    /** @var \Drupal\business_rules\VariablesSet $variables */

    /** @var \Drupal\Core\Entity\Entity $entity */
    $variables = $event
      ->getArgument('variables');
    $key_value = $this->util
      ->getKeyValueExpirable('save_entity_variable');
    if ($variables
      ->count()) {
      $variable = $variables
        ->getVariable($action
        ->getSettings('variable'));
      $entity = $variable ? $variable
        ->getValue() : FALSE;
      if ($entity instanceof EntityInterface) {

        // Prevent infinite calls regarding the dispatched entity events such as
        // save / presave, etc.
        $uuid = $entity->uuid->value;
        $saved_uuid = $key_value
          ->get($uuid);
        if ($entity->uuid
          ->getValue() !== $saved_uuid) {
          $key_value
            ->set($uuid, $uuid);
          $entity
            ->save();
          $result = [
            '#type' => 'markup',
            '#markup' => t('Entity: %entity on variable: %variable saved.', [
              '%entity' => $entity
                ->getEntityTypeId(),
              '%variable' => $action
                ->getSettings('variable'),
            ]),
          ];
          return $result;
        }
      }
    }
  }

  /**
   * {@inheritdoc}
   */
  public function getVariables(ItemInterface $item) {
    $variableSet = parent::getVariables($item);
    $variable = new VariableObject($item
      ->getSettings('variable'));
    $variableSet
      ->append($variable);
    return $variableSet;
  }

}

Classes

Name	Description
SaveEntityVariableAction	Class SaveEntityVariableAction.