comment.install

<?php


/**
 * @file
 * Install, update and uninstall functions for the Comment module.
 */

use Drupal\Core\Database\SchemaDefinition\Column;
use Drupal\Core\Database\SchemaDefinition\ColumnSize;
use Drupal\Core\Database\SchemaDefinition\ForeignKey;
use Drupal\Core\Database\SchemaDefinition\Index;
use Drupal\Core\Database\SchemaDefinition\IntValue;
use Drupal\Core\Database\SchemaDefinition\PrimaryKey;
use Drupal\Core\Database\SchemaDefinition\Schema;
use Drupal\Core\Database\SchemaDefinition\SchemaDefinitionType;
use Drupal\Core\Database\SchemaDefinition\StringValue;
use Drupal\Core\Database\SchemaDefinition\Table;
use Drupal\Core\Entity\EntityTypeInterface;
use Drupal\field\Entity\FieldStorageConfig;

/**
 * Implements hook_uninstall().
 */
function comment_uninstall() : void {
  // Remove the comment fields.
  $storage = \Drupal::entityTypeManager()->getStorage('field_storage_config');
  $fields = $storage->loadByProperties([
    'type' => 'comment',
  ]);
  $storage->delete($fields);
  // Remove state setting.
  \Drupal::state()->delete('comment.node_comment_statistics_scale');
}

/**
 * Implements hook_install().
 */
function comment_install() : void {
  // 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 {
  $tables[] = new Table(name: 'comment_entity_statistics', description: 'Maintains statistics of entity and comments posts to show "new" and "updated" flags.', columns: [
    Column::int(name: 'entity_id', description: 'The entity_id of the entity for which the statistics are compiled.', unsigned: TRUE, notNull: TRUE, default: new IntValue(0)),
    Column::varcharAscii(name: 'entity_type', description: 'The entity_type of the entity to which this comment is a reply.', length: EntityTypeInterface::ID_MAX_LENGTH, notNull: TRUE, default: new StringValue('node')),
    Column::varcharAscii(name: 'field_name', description: 'The field_name of the field that was used to add this comment.', length: FieldStorageConfig::NAME_MAX_LENGTH, notNull: TRUE, default: new StringValue('')),
    Column::int(name: 'cid', description: 'The {comment}.cid of the last comment.', notNull: TRUE, default: new IntValue(0)),
    Column::int(name: 'last_comment_timestamp', description: 'The Unix timestamp of the last comment that was posted within this node, from {comment}.changed.', size: ColumnSize::Big, notNull: TRUE, default: new IntValue(0)),
    Column::varchar(name: 'last_comment_name', description: 'The name of the latest author to post a comment on this node, from {comment}.name.', length: 60, notNull: FALSE),
    Column::int(name: 'last_comment_uid', description: 'The user ID of the latest author to post a comment on this node, from {comment}.uid.', unsigned: TRUE, notNull: TRUE, default: new IntValue(0)),
    Column::int(name: 'comment_count', description: 'The total number of comments on this entity.', unsigned: TRUE, notNull: TRUE, default: new IntValue(0)),
  ], primaryKey: new PrimaryKey([
    'entity_id',
    'entity_type',
    'field_name',
  ]), indexes: [
    new Index(name: 'last_comment_timestamp', columns: [
      'last_comment_timestamp',
    ]),
    new Index(name: 'comment_count', columns: [
      'comment_count',
    ]),
    new Index(name: 'last_comment_uid', columns: [
      'last_comment_uid',
    ]),
  ], foreignKeys: [
    new ForeignKey(name: 'last_comment_author', foreignTable: 'users', columns: [
      'last_comment_uid',
    ], foreignColumns: [
      'uid',
    ]),
  ]);
  return new Schema(type: SchemaDefinitionType::Module, name: 'comment', tables: $tables);
}

/**
 * Implements hook_update_last_removed().
 */
function comment_update_last_removed() : int {
  return 10100;
}