/**
* Set plain text for $this->message, replacing if necessary
*
* @return null|string
*/
protected function setMessagePlainText()
{
if ($this->tokenizationEnabled && $this->plainTextSet) {
// No need to find and replace since tokenization happens at the transport level
return;
}
if ($this->plainTextSet) {
$children = (array) $this->message->getChildren();
/** @var \Swift_Mime_MimeEntity $child */
foreach ($children as $child) {
$childType = $child->getContentType();
if ($childType == 'text/plain' && $child instanceof \Swift_MimePart) {
$child->setBody($this->plainText);
break;
}
}
} else {
$this->message->addPart($this->plainText, 'text/plain');
$this->plainTextSet = true;
}
}
