file_checker-8.x-1.0-alpha2/file_checker.install

<?php

/**
 * @file
 * File Checker hooks for install and uninstall.
 */

/**
 * Implements hook_install().
 */
function file_checker_install() {
  // Create field storage for the 'missing' base field.
  $entity_manager = \Drupal::entityManager();
  $definition = $entity_manager->getFieldStorageDefinitions('file')['missing'];
  $entity_manager->onFieldStorageDefinitionCreate($definition);

  // Start with 1 file per second as the checking speed on a new installation.
  \Drupal::state()->set('file_checker.speed', 1);
}

/**
 * Implements hook_uninstall().
 */
function file_checker_uninstall() {
  \Drupal::state()->delete('file_checker.background_last_checked_file');
  \Drupal::state()->delete('file_checker.background_files_checked_count');
  \Drupal::state()->delete('file_checker.background_files_missing_count');
  \Drupal::state()->delete('file_checker.background_requested');
  \Drupal::state()->delete('file_checker.background_run_start');
  \Drupal::state()->delete('file_checker.last_run_start');
  \Drupal::state()->delete('file_checker.last_run_end');
  \Drupal::state()->delete('file_checker.speed');
}

/**
 * Report missing files on status page.
 */
function file_checker_requirements($phase) {
  if ($phase == 'runtime') {
    $requirements['file_checker']['title'] = t('Missing files');
    $requirements['file_checker']['value'] = \Drupal::service('file_checker.bulk_file_checking')->missingStatus();
    $requirements['file_checker']['description'] = \Drupal::service('file_checker.bulk_file_checking')->lastStatus();
    $requirements['file_checker']['severity'] = REQUIREMENT_OK;
    if (\Drupal::service('file_checker.bulk_file_checking')->missingCount() > 0) {
      $requirements['file_checker']['severity'] = REQUIREMENT_ERROR;
    }
    return $requirements;
  }
}