class.ilMailValueObjectJsonService.php

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<?php
 
declare(strict_types=1);
 
use ILIAS\Mail\Attachments\MailAttachments;
 
class ilMailValueObjectJsonService
{
    public function convertToJson(array $mail_value_objects): string
    {
        $records = [];
        foreach ($mail_value_objects as $mail_value_object) {
            $mail_data = [];
            $mail_data['from'] = $mail_value_object->getFrom();
            $mail_data['recipients'] = $mail_value_object->getRecipients();
            $mail_data['recipients_cc'] = $mail_value_object->getRecipientsCC();
            $mail_data['recipients_bcc'] = $mail_value_object->getRecipientsBCC();
            $mail_data['attachments'] = $mail_value_object->getAttachments()->toBackgroundTask();
            $mail_data['body'] = $mail_value_object->getBody();
            $mail_data['subject'] = $mail_value_object->getSubject();
            $mail_data['is_using_placholders'] = $mail_value_object->isUsingPlaceholders();
            $mail_data['should_save_in_sent_box'] = $mail_value_object->shouldSaveInSentBox();
 
            $records[] = $mail_data;
        }
 
        return json_encode($records, JSON_THROW_ON_ERROR);
    }
 
    public function convertFromJson(string $json): array
    {
        $result = [];
        $array = json_decode($json, true, 512, JSON_THROW_ON_ERROR);
 
        foreach ($array as $object_values) {
            $result[] = new ilMailValueObject(
                $object_values['from'],
                $object_values['recipients'],
                $object_values['recipients_cc'],
                $object_values['recipients_bcc'],
                ilStr::strLen($object_values['subject']) > 255 ? ilStr::substr($object_values['subject'], 0, 255) : $object_values['subject'],
                $object_values['body'],
                $this->attachmentsFromJson($object_values['attachments'] ?? null),
                $object_values['is_using_placholders'],
                $object_values['should_save_in_sent_box']
            );
        }
 
        return $result;
    }
 
    private function attachmentsFromJson(mixed $attachments): MailAttachments
    {
        if (is_string($attachments)) {
            return MailAttachments::fromBackgroundTask($attachments);
        }
 
        if (is_array($attachments)) {
            return MailAttachments::fromLegacyFilenames($attachments);
        }
 
        return MailAttachments::empty();
    }
}