comment.install in Zircon Profile 8

Install, update and uninstall functions for the Comment module.

File

core/modules/comment/comment.install

<?php

/**
 * @file
 * Install, update and uninstall functions for the Comment module.
 */
use Drupal\Core\Entity\EntityTypeInterface;
use Drupal\field\Entity\FieldStorageConfig;

/**
 * Implements hook_uninstall().
 */
function comment_uninstall() {

  // Remove the comment fields.
  $fields = entity_load_multiple_by_properties('field_storage_config', array(
    'type' => 'comment',
  ));
  foreach ($fields as $field) {
    $field
      ->delete();
  }

  // Remove state setting.
  \Drupal::state()
    ->delete('comment.node_comment_statistics_scale');
}

/**
 * Implements hook_install().
 */
function comment_install() {

  // By default, maintain entity statistics for comments.
  // @see \Drupal\comment\CommentStatisticsInterface
  \Drupal::state()
    ->set('comment.maintain_entity_statistics', TRUE);
}

/**
 * Implements hook_schema().
 */
function comment_schema() {
  $schema['comment_entity_statistics'] = array(
    'description' => 'Maintains statistics of entity and comments posts to show "new" and "updated" flags.',
    'fields' => array(
      'entity_id' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
        'description' => 'The entity_id of the entity for which the statistics are compiled.',
      ),
      'entity_type' => array(
        'type' => 'varchar_ascii',
        'not null' => TRUE,
        'default' => 'node',
        'length' => EntityTypeInterface::ID_MAX_LENGTH,
        'description' => 'The entity_type of the entity to which this comment is a reply.',
      ),
      'field_name' => array(
        'type' => 'varchar_ascii',
        'not null' => TRUE,
        'default' => '',
        'length' => FieldStorageConfig::NAME_MAX_LENGTH,
        'description' => 'The field_name of the field that was used to add this comment.',
      ),
      'cid' => array(
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
        'description' => 'The {comment}.cid of the last comment.',
      ),
      'last_comment_timestamp' => array(
        'type' => 'int',
        'not null' => TRUE,
        'default' => 0,
        'description' => 'The Unix timestamp of the last comment that was posted within this node, from {comment}.changed.',
      ),
      'last_comment_name' => array(
        'type' => 'varchar',
        'length' => 60,
        'not null' => FALSE,
        'description' => 'The name of the latest author to post a comment on this node, from {comment}.name.',
      ),
      'last_comment_uid' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
        'description' => 'The user ID of the latest author to post a comment on this node, from {comment}.uid.',
      ),
      'comment_count' => array(
        'type' => 'int',
        'unsigned' => TRUE,
        'not null' => TRUE,
        'default' => 0,
        'description' => 'The total number of comments on this entity.',
      ),
    ),
    'primary key' => array(
      'entity_id',
      'entity_type',
      'field_name',
    ),
    'indexes' => array(
      'last_comment_timestamp' => array(
        'last_comment_timestamp',
      ),
      'comment_count' => array(
        'comment_count',
      ),
      'last_comment_uid' => array(
        'last_comment_uid',
      ),
    ),
    'foreign keys' => array(
      'last_comment_author' => array(
        'table' => 'users',
        'columns' => array(
          'last_comment_uid' => 'uid',
        ),
      ),
    ),
  );
  return $schema;
}

/**
 * @addtogroup updates-8.0.0-rc
 * @{
 */

/**
 * Clear caches to fix Comment entity list builder and operations Views field.
 */
function comment_update_8001() {

  // Empty update to cause a cache flush to rebuild comment entity handler
  // information, so that comment operation links work.
}

/**
 * @} End of "addtogroup updates-8.0.0-rc".
 */

Functions

Name	Description
comment_install	Implements hook_install().
comment_schema	Implements hook_schema().
comment_uninstall	Implements hook_uninstall().
comment_update_8001	Clear caches to fix Comment entity list builder and operations Views field.