dgi_fixity/dgi_fixity.install

<?php

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

/**
 * Implements hook_requirements().
 */
function dgi_fixity_requirements($phase) {
  $requirements = [];
  if ($phase == 'runtime') {
    /** @var \Drupal\dgi_fixity\FixityCheckServiceInterface $fixity */
    $fixity = \Drupal::service('dgi_fixity.fixity_check');
    $stats = $fixity->stats();
    $elements = [];
    foreach ($fixity->summary($stats) as $summary) {
      $elements[] = [
        '#markup' => $summary,
        '#suffix' => '<br/>',
      ];
    }
    $failed = $stats['failed'] > 0;
    $out_to_date = $stats['periodic']['expired'] > 0;
    $requirements['dgi_fixity'] = [
      'title' => \t('Fixity'),
      'value' => $failed ? \t('Error') : ($out_to_date ? \t('Out of date') : \t('Up to date')),
      'description' => \Drupal::service('renderer')->render($elements),
      'severity' => $failed ? REQUIREMENT_ERROR : ($out_to_date ? REQUIREMENT_WARNING : REQUIREMENT_OK),
    ];
  }
  return $requirements;
}