function FormatDate::transform

Overrides ProcessPluginBase::transform

File

core/modules/migrate/src/Plugin/migrate/process/FormatDate.php, line 96

Class

FormatDate

Converts date/datetime from one format to another.

Namespace

Code

public function transform($value, MigrateExecutableInterface $migrate_executable, Row $row, $destination_property) {
    if (empty($value) && $value !== '0' && $value !== 0) {
        return '';
    }
    // Validate the configuration.
    if (empty($this->configuration['from_format'])) {
        throw new MigrateException('Format date plugin is missing from_format configuration.');
    }
    if (empty($this->configuration['to_format'])) {
        throw new MigrateException('Format date plugin is missing to_format configuration.');
    }
    $fromFormat = $this->configuration['from_format'];
    $toFormat = $this->configuration['to_format'];
    $system_timezone = date_default_timezone_get();
    $default_timezone = !empty($system_timezone) ? $system_timezone : 'UTC';
    $from_timezone = $this->configuration['from_timezone'] ?? $default_timezone;
    $to_timezone = $this->configuration['to_timezone'] ?? $default_timezone;
    $settings = $this->configuration['settings'] ?? [];
    // Older versions of Drupal where omitting certain granularity values (also
    // known as "collected date attributes") resulted in invalid timestamps
    // getting stored.
    if ($fromFormat === 'Y-m-d\\TH:i:s') {
        $value = str_replace([
            '-00-00T',
            '-00T',
        ], [
            '-01-01T',
            '-01T',
        ], $value);
    }
    // Attempts to transform the supplied date using the defined input format.
    // DateTimePlus::createFromFormat can throw exceptions, so we need to
    // explicitly check for problems.
    try {
        $transformed = DateTimePlus::createFromFormat($fromFormat, $value, $from_timezone, $settings)->format($toFormat, [
            'timezone' => $to_timezone,
        ]);
    } catch (\InvalidArgumentException $e) {
        throw new MigrateException(sprintf("Format date plugin could not transform '%s' using the format '%s'. Error: %s", $value, $fromFormat, $e->getMessage()), $e->getCode(), $e);
    } catch (\UnexpectedValueException $e) {
        throw new MigrateException(sprintf("Format date plugin could not transform '%s' using the format '%s'. Error: %s", $value, $fromFormat, $e->getMessage()), $e->getCode(), $e);
    }
    return $transformed;
}