DurationService.php in Duration Field 8

Namespace

Drupal\duration_field\Service

File

src/Service/DurationService.php

<?php

namespace Drupal\duration_field\Service;

use Drupal\Core\StringTranslation\StringTranslationTrait;
use Drupal\duration_field\Exception\InvalidDurationException;

/**
 * Provides services for the Duration Field module.
 */
class DurationService implements DurationServiceInterface {
  use StringTranslationTrait;
  const DURATION_FIELD_PATTERN = '/^P(\\d+Y)?(\\d+M)?(\\d+D)?(T)?(\\d+H)?(\\d+M)?(\\d+S)?$/';

  /**
   * {@inheritdoc}
   */
  public static function checkDurationInvalid($duration) {
    if (!empty($duration) && !preg_match(self::DURATION_FIELD_PATTERN, $duration)) {
      throw new InvalidDurationException($duration . ' is not a valid duration');
    }
    return FALSE;
  }

  /**
   * {@inheritdoc}
   */
  public static function convertValue(array $input) {
    $duration = '';
    $date_mappings = [
      'year' => 'Y',
      'month' => 'M',
      'day' => 'D',
    ];
    foreach ($date_mappings as $key => $duration_key) {
      if (isset($input[$key]) && $input[$key]) {
        $duration .= $input[$key] . $duration_key;
      }
    }
    $time_mappings = [
      'hour' => 'H',
      'minute' => 'M',
      'second' => 'S',
    ];
    $found = FALSE;
    foreach ($time_mappings as $key => $duration_key) {
      if (isset($input[$key]) && $input[$key]) {
        if (!$found) {
          $found = TRUE;
          $duration .= 'T';
        }
        $duration .= $input[$key] . $duration_key;
      }
    }
    return strlen($duration) ? 'P' . $duration : '';
  }

}

Classes

Name	Description
DurationService	Provides services for the Duration Field module.