maestro-3.0.1-rc2/src/Plugin/views/field/MaestroEngineAdminOperations.php

<?php

namespace Drupal\maestro\Plugin\views\field;

use Drupal\Core\Form\FormStateInterface;
use Drupal\maestro\Engine\MaestroEngine;
use Drupal\views\Plugin\views\field\FieldPluginBase;
use Drupal\views\ResultRow;
use Drupal\Core\Url;

/**
 * Field handler to create Administrative Operations for a queue entry in views.
 *
 * @ingroup views_field_handlers
 *
 * @ViewsField("maestro_admin_operations")
 */
class MaestroEngineAdminOperations extends FieldPluginBase {

  /**
   * {@inheritdoc}
   */
  public function query() {
    // No Query to be done.
  }

  /**
   * Define the available options.
   *
   * @return array
   *   Returns an array of options.
   */
  protected function defineOptions() {
    $options = parent::defineOptions();

    return $options;
  }

  /**
   * Provide the options form.
   */
  public function buildOptionsForm(&$form, FormStateInterface $form_state) {

    parent::buildOptionsForm($form, $form_state);
  }

  /**
   * {@inheritdoc}
   */
  public function render(ResultRow $values) {
    $item = $values->_entity;
    $rows = [];
    $links = [];

    /*
     * Tracing mechanism needs the process ID
     */
    $processID = 0;
    if ($item->getEntityTypeId() == 'maestro_production_assignments') {
      $queueRecord = MaestroEngine::getQueueEntryById($item->queue_id->getString());
      $processID = $queueRecord->process_id->getString();
    }
    elseif ($item->getEntityTypeId() == 'maestro_queue') {
      $processID = $item->process_id->getString();
    }
    elseif ($item->getEntityTypeId() == 'maestro_process') {
      $processID = $item->process_id->getString();
    }

    $links['trace'] = [
      'title' => t('Trace'),
      'url' => Url::fromRoute('maestro.trace', ['processID' => $processID]),
    ];

    /*
     * Reassignment mechanism: only works for queue and production assignment types
     */
    $assignees = [];
    if ($item->getEntityTypeId() == 'maestro_production_assignments') {
      $assignees = MaestroEngine::getAssignedNamesOfQueueItem($item->queue_id->getString(), TRUE);
    }
    elseif ($item->getEntityTypeId() == 'maestro_queue') {
      $assignees = MaestroEngine::getAssignedNamesOfQueueItem($item->id->getString(), TRUE);
    }

    /*
     * The assignees holds a keyed array telling us who is assigned and how.
     * We use this information to determine what to pass to the handlers for the operations
     * First, the reassign. for each of the assignees, provide a link to reassign
     */
    foreach ($assignees as $name => $assignment) {
      $links[$name] = [
        'title' => t('Reassign') . ' ' . $name,
        'url' => Url::fromRoute('maestro.reassign_task', ['assignmentID' => $assignment['id']]),
      ];
    }

    $rows[] = [
      'data' => [
        '#type' => 'operations',
        '#links' => $links,
      ],
    ];

    return $rows;

  }

}