Sending raw markdown emails

If raw == (string) content, then it is a markdown email (html/text are ignored -- markdown sets them)
If raw == (bool) true, then it is true raw (html/text must be supplied)

modules/system/ServiceProvider.php

@@ -322,9 +322,9 @@ class ServiceProvider extends ModuleServiceProvider
         /*
          * Override standard Mailer content with template
          */
-        Event::listen('mailer.beforeAddContent', function ($mailer, $message, $view, $data) {
-            MailManager::instance()->addContentToMailer($message, $view, $data);
-            return false;
+        Event::listen('mailer.beforeAddContent', function ($mailer, $message, $view, $data, $raw) {
+            $method = $raw === null ? 'addContentToMailer' : 'addRawContentToMailer';
+            return !MailManager::instance()->$method($message, $raw ?: $view, $data);
         });
     }
 

modules/system/classes/MailManager.php

@@ -56,9 +56,25 @@ class MailManager
      */
     protected $isTwigStarted = false;
 
+    /**
+     * Same as `addContentToMailer` except with raw content.
+     * @return bool
+     */
+    public function addRawContentToMailer($message, $content, $data)
+    {
+        $template = new MailTemplate;
+
+        $template->fillFromContent($content);
+
+        $this->addContentToMailerInternal($message, $template, $data);
+
+        return true;
+    }
+
     /**
      * This function hijacks the `addContent` method of the `October\Rain\Mail\Mailer` 
      * class, using the `mailer.beforeAddContent` event.
+     * @return bool
      */
     public function addContentToMailer($message, $code, $data)
     {
@@ -69,6 +85,21 @@ class MailManager
             $this->templateCache[$code] = $template = MailTemplate::findOrMakeTemplate($code);
         }
 
+        if (!$template) {
+            return false;
+        }
+
+        $this->addContentToMailerInternal($message, $template, $data);
+
+        return true;
+    }
+
+    /**
+     * Internal method used to share logic between `addRawContentToMailer` and `addContentToMailer`
+     * @return void
+     */
+    protected function addContentToMailerInternal($message, $template, $data)
+    {
         /*
          * Start twig transaction
          */

modules/system/models/MailTemplate.php

@@ -105,14 +105,22 @@ class MailTemplate extends Model
     public function afterFetch()
     {
         if (!$this->is_custom) {
-            $this->fillFromView();
+            $this->fillFromView($this->code);
         }
     }
 
-    public function fillFromView()
+    public function fillFromContent($content)
     {
-        $sections = self::getTemplateSections($this->code);
+        $this->fillFromSections(MailParser::parse($content));
+    }
 
+    public function fillFromView($path)
+    {
+        $this->fillFromSections(self::getTemplateSections($path));
+    }
+
+    protected function fillFromSections($sections)
+    {
         $this->content_html = $sections['html'];
         $this->content_text = $sections['text'];
         $this->subject = array_get($sections, 'settings.subject', 'No subject');
@@ -128,10 +136,12 @@ class MailTemplate extends Model
 
     public static function findOrMakeTemplate($code)
     {
-        if (!$template = self::whereCode($code)->first()) {
+        $template = self::whereCode($code)->first();
+
+        if (!$template && View::exists($code)) {
             $template = new self;
             $template->code = $code;
-            $template->fillFromView();
+            $template->fillFromView($code);
         }
 
         return $template;

modules/system/views/mail/partial-subcopy.htm

@@ -1,5 +1,6 @@
 name = "Subcopy"
 ==
+-----
 {{ body|trim }}
 ==
 <table class="subcopy" width="100%" cellpadding="0" cellspacing="0">