social_lms_integrator-1.0.0-beta4/modules/social_lms_integrator_application/src/WorkflowHelper.php

<?php

namespace Drupal\social_lms_integrator_application;

use Drupal\Component\Plugin\PluginInspectionInterface;
use Drupal\Core\Entity\FieldableEntityInterface;
use Drupal\Core\Field\FieldDefinitionInterface;
use Drupal\Core\Session\AccountInterface;
use Drupal\Core\Session\AccountProxyInterface;
use Drupal\state_machine\Plugin\Workflow\WorkflowInterface;
use Drupal\state_machine\Plugin\Workflow\WorkflowTransition;

/**
 * Contains helper methods to retrieve workflow related data from entities.
 */
class WorkflowHelper {

  /**
   * The current user proxy.
   *
   * @var \Drupal\Core\Session\AccountProxyInterface
   */
  protected $currentUser;

  /**
   * Constructs a WorkflowHelper.
   *
   * @param \Drupal\Core\Session\AccountProxyInterface $currentUser
   *   The service that contains the current user.
   */
  public function __construct(AccountProxyInterface $currentUser) {
    $this->currentUser = $currentUser;
  }


  /**
   * {@inheritdoc}
   */
  public function isWorkflowStateEnrollment($state_id, WorkflowInterface $workflow) {
    // We rely on being able to inspect the plugin definition. Throw an error if
    // this is not the case.
    if (!$workflow instanceof PluginInspectionInterface) {
      $label = $workflow->getLabel();
      throw new \InvalidArgumentException("The '$label' workflow is not plugin based.");
    } 

    // Retrieve the raw plugin definition, as all additional plugin settings
    // are stored there.
    $raw_workflow_definition = $workflow->getPluginDefinition();
    return !empty($raw_workflow_definition['states'][$state_id]['enrollment']);
  }  

    /**
   * {@inheritdoc}
   */
  public function isWorkflowStateEmail($state_id, WorkflowInterface $workflow) {
    // We rely on being able to inspect the plugin definition. Throw an error if
    // this is not the case.
    if (!$workflow instanceof PluginInspectionInterface) {
      $label = $workflow->getLabel();
      throw new \InvalidArgumentException("The '$label' workflow is not plugin based.");
    } 

    // Retrieve the raw plugin definition, as all additional plugin settings
    // are stored there.
    $raw_workflow_definition = $workflow->getPluginDefinition();
    return !empty($raw_workflow_definition['states'][$state_id]['email']);
  }  

}