<?php

/**
 * @file
 * Install/update hook implementations.
 */

/**
 * Implements hook_schema().
 */
function islandora_schema() {
  $schema = [];
  $schema['islandora_version_count'] = [
    'description' => 'Keeps track of the number of changes to an entity',
    'fields' => [
      'id' => [
        'description' => 'Autoincrementing id for record',
        'type' => 'serial',
        'unsigned' => TRUE,
        'not null' => TRUE,
      ],
      'uuid' => [
        'description' => 'UUID for an entity',
        'type' => 'varchar',
        'length' => 128,
        'not null' => TRUE,
        'unique' => TRUE,
      ],
      'count' => [
        'description' => 'Number of times an entity has been updated.',
        'type' => 'int',
        'unsigned' => TRUE,
        'default' => 0,
      ],
    ],
    'primary key' => ['id'],
    'unique keys' => [
      'uuid' => ['uuid'],
    ],
  ];
  return $schema;
}

/**
 * Delete the 'delete_media' action we used to provide, if it exists.
 *
 * Use the core 'media_delete_action' instead.
 */
function islandora_update_8001(&$sandbox) {
  $action = \Drupal::service('entity_type.manager')->getStorage('action')->load('delete_media');
  if ($action) {
    $action->delete();
  }
}