/**
* @param \MailSo\Mime\Part $oIncPart
*
* @return \MailSo\Mime\Part
*/
private function createNewMessageMixedBody($oIncPart)
{
$oResultPart = null;
$aAttachments = $this->oAttachmentCollection->UnlinkedAttachments();
if (0 < count($aAttachments)) {
$oResultPart = Part::NewInstance();
$oResultPart->Headers->AddByName(\MailSo\Mime\Enumerations\Header::CONTENT_TYPE, \MailSo\Mime\Enumerations\MimeType::MULTIPART_MIXED . '; ' . ParameterCollection::NewInstance()->Add(Parameter::NewInstance(\MailSo\Mime\Enumerations\Parameter::BOUNDARY, $this->generateNewBoundary()))->ToString());
$oResultPart->SubParts->Add($oIncPart);
foreach ($aAttachments as $oAttachment) {
$oResultPart->SubParts->Add($this->createNewMessageAttachmentBody($oAttachment));
}
} else {
$oResultPart = $oIncPart;
}
return $oResultPart;
}
