nextcloud / server

		$initiatorUser = $this->userManager->get($initiator);

		$ownerDisplayName = ($ownerUser instanceof IUser) ? $ownerUser->getDisplayName() : $owner;

		$initiatorDisplayName = ($initiatorUser instanceof IUser) ? $initiatorUser->getDisplayName() : $initiator;

		if ($owner === $initiator) {

			$subject = (string)$this->l->t('%s shared »%s« with you', array($ownerDisplayName, $filename));

		} else {

			$subject = (string)$this->l->t('%s shared »%s« with you on behalf of %s', array($ownerDisplayName, $filename, $initiatorDisplayName));

		}

		$message = $this->mailer->createMessage();

		$emailTemplate->addHeader();

		$emailTemplate->addHeading($this->l->t('%s shared »%s« with you', [$ownerDisplayName, $filename]), false);

		if ($owner === $initiator) {

			$text = $this->l->t('%s shared »%s« with you.', [$ownerDisplayName, $filename]);

		} else {

			$text= $this->l->t('%s shared »%s« with you on behalf of %s.', [$ownerDisplayName, $filename, $initiator]);

		}

		$emailTemplate->addBodyText(

			$text . ' ' . $this->l->t('Click the button below to open it.'),

			$text