devel-4.x-dev/devel_generate/devel_generate.module

<?php

/**
 * @file
 * Devel sub-module to for generating content, menus, taxonomy terms etc.
 *
 * See src/Plugin for specific details of each type that can be generated.
 */

use Drupal\Core\Entity\EntityInterface;
use Drupal\Core\Field\FieldDefinitionInterface;
use Drupal\Core\StringTranslation\TranslatableMarkup;
use Drupal\comment\Plugin\Field\FieldType\CommentItemInterface;
use Drupal\Component\Utility\Random;
use Drupal\devel_generate\DevelGenerateBase;
use Drupal\node\NodeInterface;

/**
 * Implements hook_menu_links_discovered_alter().
 */
function devel_generate_menu_links_discovered_alter(&$links) {
  $devel_generate_plugins = \Drupal::service('plugin.manager.develgenerate')->getDefinitions();
  foreach ($devel_generate_plugins as $id => $plugin) {
    $label = $plugin['label'];
    $links["devel_generate.$id"] = [
      'title' => new TranslatableMarkup("Generate @label", ['@label' => $label]),
      'parent' => 'devel_generate.admin_config_generate',
      'description' => $plugin['description'],
      'route_name' => "devel_generate.$id",
      'provider' => 'devel_generate',
    ];
  }

  // Store the basic link info for repeated use. Each of the three actual links
  // require subtle variations on this.
  $basics = [
    'title' => new TranslatableMarkup('Generate'),
    'description' => new TranslatableMarkup('Generate realistic items (content, users, menus, etc) to assist your site development and testing.'),
    'route_name' => 'devel_generate.admin_config_generate',
    'provider' => 'devel_generate',
  ];

  // Define a separate group on admin/config page, so that 'Generate' has its
  // own block with all the generate links.
  $links['devel_generate.admin_config_generate'] = [
    'parent' => 'system.admin_config',
    // The main development group has weight -10 in system.links.menu.yml so use
    // -9 here as this block should be near but just after it on the page.
    'weight' => -9,
  ] + $basics;

  // Add a link in the main development group, to allow direct access to the
  // the Generate page and to make the back breadcrumb more useful.
  $links['devel_generate.generate'] = [
    'title' => new TranslatableMarkup('Devel generate'),
    'parent' => 'system.admin_config_development',
  ] + $basics;

  // Define a top-level link (with no parent) in the 'devel' menu. This also
  // means that it will be available in the devel admin toolbar.
  $links['devel_generate.generate2'] = ['menu_name' => 'devel'] + $basics;

}

/**
 * Implements hook_entity_insert().
 */
function devel_generate_entity_insert(EntityInterface $entity) {
  // Adding url alias is now moved into develGenerateContentAddNode().
  // @todo Can more of this processing moved there too?
  if ($entity->getEntityTypeId() != 'node' || !isset($entity->devel_generate)) {
    return;
  }
  /** @var \Drupal\node\NodeInterface $entity */
  $results = $entity->devel_generate;

  if (!empty($results['max_comments'])) {
    foreach ($entity->getFieldDefinitions() as $field_name => $field_definition) {
      if ($field_definition->getType() == 'comment' && $entity->get($field_name)->status == CommentItemInterface::OPEN) {
        // Add comments for each comment field on entity.
        devel_generate_add_comments($entity, $field_definition, $results['users'], $results['max_comments'], $results['title_length']);
      }
    }
  }

  // Add node statistics.
  if (!empty($results['add_statistics']) && \Drupal::moduleHandler()->moduleExists('statistics')) {
    devel_generate_add_statistics($entity);
  }
}

/**
 * Create comments and add them to a node.
 *
 * @param \Drupal\node\NodeInterface $node
 *   Node to add comments to.
 * @param \Drupal\Core\Field\FieldDefinitionInterface $field_definition
 *   The field storage definition.
 * @param array $users
 *   Array of users to assign comment authors.
 * @param int $max_comments
 *   Max number of comments to generate per node.
 * @param int $title_length
 *   Max length of the title of the comments.
 */
function devel_generate_add_comments(NodeInterface $node, FieldDefinitionInterface $field_definition, array $users, $max_comments, $title_length = 8) {
  $parents = [];
  $field_name = $field_definition->getName();
  $num_comments = mt_rand(0, $max_comments);
  for ($i = 1; $i <= $num_comments; $i++) {
    switch ($i % 3) {
      case 0:
        // No parent.
      case 1:
        // Top level parent.
        $parents = \Drupal::entityQuery('comment')
          ->condition('pid', 0)
          ->condition('entity_id', $node->id())
          ->condition('entity_type', 'node')
          ->condition('field_name', $field_name)
          ->range(0, 1)
          ->accessCheck(FALSE)
          ->execute();
        break;

      case 2:
        // Non top level parent.
        $parents = \Drupal::entityQuery('comment')
          ->condition('pid', 0, '>')
          ->condition('entity_id', $node->id())
          ->condition('entity_type', 'node')
          ->condition('field_name', $field_name)
          ->range(0, 1)
          ->accessCheck(FALSE)
          ->execute();
        break;
    }
    $random = new Random();
    $stub = [
      'entity_type' => $node->getEntityTypeId(),
      'entity_id' => $node->id(),
      'field_name' => $field_name,
      'name' => 'devel generate',
      'mail' => 'devel_generate@example.com',
      'timestamp' => mt_rand($node->getCreatedTime(), \Drupal::time()->getRequestTime()),
      'subject' => substr($random->sentences(mt_rand(1, $title_length), TRUE), 0, 63),
      'uid' => $users[array_rand($users)],
      'langcode' => $node->language()->getId(),
    ];
    if ($parents) {
      $stub['pid'] = current($parents);
    }
    $comment = \Drupal::entityTypeManager()->getStorage('comment')->create($stub);

    // Populate all core fields on behalf of field.module.
    DevelGenerateBase::populateFields($comment);
    $comment->save();
  }
}

/**
 * Generate statistics information for a node.
 *
 * @param \Drupal\node\NodeInterface $node
 *   A node object.
 */
function devel_generate_add_statistics(NodeInterface $node) {
  $statistic = [
    'nid' => $node->id(),
    'totalcount' => mt_rand(0, 500),
    'timestamp' => \Drupal::time()->getRequestTime() - mt_rand(0, $node->getCreatedTime()),
  ];
  $statistic['daycount'] = mt_rand(0, $statistic['totalcount']);
  $database = \Drupal::database();
  $database->insert('node_counter')->fields($statistic)->execute();
}