From 983fd75ec9ce254423f8a2b10c4c0467d78d6869 Mon Sep 17 00:00:00 2001
From: Stephen Paul Weber <singpolyma@singpolyma.net>
Date: Fri, 23 Oct 2015 17:56:02 +0000
Subject: [PATCH] Include rel-syndication link for tweets

As per: <http://microformats.org/wiki/rel-syndication>
This allows some services to find a post in Twitter.
---
 plugins/TwitterBridge/TwitterBridgePlugin.php | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/plugins/TwitterBridge/TwitterBridgePlugin.php b/plugins/TwitterBridge/TwitterBridgePlugin.php
index dd3007e309..72c28d4fa4 100644
--- a/plugins/TwitterBridge/TwitterBridgePlugin.php
+++ b/plugins/TwitterBridge/TwitterBridgePlugin.php
@@ -527,6 +527,23 @@ class TwitterBridgePlugin extends Plugin
 
     public function onEndShowHeadElements(Action $action)
     {
+        if($action instanceof ShowNoticeAction) { // Showing a notice
+            $notice = Notice::getKV('id', $action->arg('notice'));
+
+            try {
+                $flink = Foreign_link::getByUserID($notice->profile_id, TWITTER_SERVICE);
+                $fuser = Foreign_user::getForeignUser($flink->foreign_id, TWITTER_SERVICE);
+            } catch (NoResultException $e) {
+                return true;
+            }
+
+            $statusId = twitter_status_id($notice);
+            if($notice instanceof Notice && $notice->isLocal() && $statusId) {
+                $tweetUrl = 'https://twitter.com/' . $fuser->nickname . '/status/' . $statusId;
+                $action->element('link', array('rel' => 'syndication', 'href' => $tweetUrl));
+            }
+        }
+
         if (!($action instanceof AttachmentAction)) {
             return true;
         }