<?php

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

use Drupal\crop\Entity\Crop;

/**
 * Delete orphaned crop entities.
 */
function crop_update_8001(&$sandbox) {
  // Unsure we have current element set to 0.
  if (!isset($sandbox['current'])) {
    $sandbox['current'] = 0;
    $sandbox['total'] = \Drupal::entityQuery('crop')
      ->count()
      ->execute();
  }

  $items_per_batch = 100;
  $crops = \Drupal::entityQuery('crop')
    ->sort('cid', 'ASC')
    ->range($sandbox['current'], $items_per_batch)
    ->execute();

  if (empty($crops)) {
    $sandbox['#finished'] = 1;
  }
  else {
    foreach ($crops as $cid) {
      /** @var \Drupal\crop\Entity\Crop $crop */
      $crop = Crop::load($cid);
      $files = \Drupal::entityQuery('file')
        ->condition('uri', $crop->get('uri')->value)
        ->count();

      // Checks if the file exist, if not exist delete this orphan crop.
      if (empty($files->execute())) {
        // Lets tell the site admin what we are doing.
        \Drupal::logger('crop_api')
          ->notice(
            'The orphaned crop @cid referring to image with URI @uri has been deleted.',
            ['@cid' => $cid, 'uri' => $crop->uri->value]
          );
        $crop->delete();
      }
      $sandbox['current']++;
    }
    $sandbox['#finished'] = $sandbox['current'] / $sandbox['total'];
  }
}

/**
 * Let Drupal know that there is a new config available.
 */
function crop_update_8002() {
  \Drupal::service('config.installer')
    ->installDefaultConfig('module', 'crop');
}