PersianDateFormatter.php in Persian Date for Drupal 8 8.4

Namespace

Drupal\persian_date\Service\Formatter

File

src/Service/Formatter/PersianDateFormatter.php

<?php

namespace Drupal\persian_date\Service\Formatter;

use Drupal\Core\Datetime\DateFormatter;
use Drupal\persian_date\Converter\PersianDateConverter;
use Drupal\persian_date\Converter\PersianDateFactory;
use Drupal\persian_date\PersianLanguageDiscovery;
class PersianDateFormatter extends DateFormatter {
  public function format($timestamp, $type = 'medium', $format = '', $timezone = NULL, $langcode = NULL) {

    // return default formatter if website is not persian
    // or caller needs machine-readable data
    if (!PersianLanguageDiscovery::isPersian() || $this
      ->isForMetaTag()) {
      return parent::format($timestamp, $type, $format, $timezone, $langcode);
    }
    if (!isset($timezone)) {
      $timezone = drupal_get_user_timezone();
    }

    // Store DateTimeZone objects in an array rather than repeatedly
    // constructing identical objects over the life of a request.
    if (!isset($this->timezones[$timezone])) {
      $this->timezones[$timezone] = timezone_open($timezone);
    }
    if (empty($langcode)) {
      $langcode = $this->languageManager
        ->getCurrentLanguage()
        ->getId();
    }
    $date = PersianDateFactory::buildFromTimestamp($timestamp, $this->timezones[$timezone]);

    // If we have a non-custom date format use the provided date format pattern.
    if ($type !== 'custom') {
      if ($date_format = $this
        ->dateFormat($type, $langcode)) {
        $format = $date_format
          ->getPattern();
      }
    }

    // called by query builder
    if ($type === 'custom' & $format === DATETIME_DATETIME_STORAGE_FORMAT) {

      // convert shamsi to georgian
      $date = parent::format($timestamp, $type, $format, $timezone, $langcode);
      $year = explode('-', $date)[0];

      // if date is shamsi
      if (!is_georgian_year($year)) {
        $other = PersianDateConverter::normalizeDate(new \DateTime($date));
        $date = parent::format($other
          ->getTimestamp(), $type, $format, $timezone, $langcode);
      }
      return $date;
    }

    // Fall back to the 'medium' date format type if the format string is
    // empty, either from not finding a requested date format or being given an
    // empty custom format string.
    if (empty($format)) {
      $format = $this
        ->dateFormat('fallback', $langcode)
        ->getPattern();
    }
    return $date
      ->format($format);
  }
  private function isForMetaTag() {
    foreach (debug_backtrace() as $trace) {
      if (!isset($trace['file'])) {
        continue;
      }
      $isMetatagModuleCalling = strpos($trace['file'], '/metatag/') !== FALSE;
      $isRdfModuleCalling = strpos($trace['file'], '/rdf/') !== FALSE;
      if ($isMetatagModuleCalling || $isRdfModuleCalling) {
        return TRUE;
      }
    }
    return FALSE;
  }

}

Classes

Name	Description
PersianDateFormatter