From 3af8abb0983b201c2b2fb412b44592a9a512582d Mon Sep 17 00:00:00 2001
From: Joas Schilling <coding@schilljs.com>
Date: Tue, 6 Jun 2017 14:17:04 +0200
Subject: [PATCH] Allow to overwrite the email template again

Signed-off-by: Joas Schilling <coding@schilljs.com>
---
 config/config.sample.php    |  7 +++++++
 lib/private/Mail/Mailer.php | 10 ++++++++++
 2 files changed, 17 insertions(+)

diff --git a/config/config.sample.php b/config/config.sample.php
index 27499825c6..9cff1a4b87 100644
--- a/config/config.sample.php
+++ b/config/config.sample.php
@@ -966,6 +966,13 @@ $CONFIG = array(
  */
 'systemtags.managerFactory' => '\OC\SystemTag\ManagerFactory',
 
+/**
+ * Replaces the default mail template layout. This can be utilized if the
+ * options to modify the mail texts with the theming app is not enough.
+ * The class must extend  ``\OC\Mail\EMailTemplate``
+ */
+'mail_template_class' => '\OC\Mail\EMailTemplate',
+
 /**
  * Maintenance
  *
diff --git a/lib/private/Mail/Mailer.php b/lib/private/Mail/Mailer.php
index 80988d8570..b24f72316b 100644
--- a/lib/private/Mail/Mailer.php
+++ b/lib/private/Mail/Mailer.php
@@ -90,6 +90,16 @@ class Mailer implements IMailer {
 	}
 
 	public function createEMailTemplate() {
+		$class = $this->config->getSystemValue('mail_template_class', '');
+
+		if ($class !== '' && class_exists($class) && is_a($class, EMailTemplate::class, true)) {
+			return new $class(
+				$this->defaults,
+				$this->urlGenerator,
+				$this->l10n
+			);
+		}
+
 		return new EMailTemplate(
 			$this->defaults,
 			$this->urlGenerator,