fullcalendar_library.install

<?php

/**
 * @file
 * Install for Fullcalendar Library module
 */

/**
 * Implements hook_requirements().
 */
function fullcalendar_library_requirements($phase) {
  if ($phase != 'runtime') {
    return [];
  }

  $return = [];

  if (!file_exists(DRUPAL_ROOT . '/libraries/fullcalendar/fullcalendar.min.js')) {
    $return['fullcalendar'] = [
      'title' => t('Fullcalendar'),
      'value' => t('FullCalendar Library loaded via CDN'),
      'description' => t('A CDN is being used to load the Fullcalendar library. To use a local copy, <a target="_blank" href="@url">download</a> the library and extract it into the /libraries/fullcalendar folder in your Drupal installation directory.', ['@url' => 'https://fullcalendar.io/download/']),
      'severity' => REQUIREMENT_INFO,
    ];
  }

  if (!file_exists(DRUPAL_ROOT . '/libraries/fullcalendar-scheduler/scheduler.min.js')) {
    $return['fullcalendar_scheduler'] = [
      'title' => t('Fullcalendar Scheduler'),
      'value' => t('FullCalendar Scheduler Library loaded via CDN'),
      'description' => t('A CDN is being used to load the Fullcalendar Scheduler library. To use a local copy, <a target="_blank" href="@url">download</a> the library and extract it into the /libraries/fullcalendar folder in your Drupal installation directory.', ['@url' => 'https://fullcalendar.io/scheduler/']),
      'severity' => REQUIREMENT_INFO,
    ];
  }

  if (!empty($return)) {
    return $return;
  }
  else {
    return [
      'fullcalendar' => [
        'title' => t('Fullcalendar'),
        'value' => t('The FullCalendar, FullCalendar Scheduler and the Moment Library are installed'),
        'severity' => REQUIREMENT_OK,
      ],
    ];
  }
}