From 86a968002d1efc4a8629d3080a9cf38eb5baabe8 Mon Sep 17 00:00:00 2001
From: Michael Vogel <icarus@dabo.de>
Date: Tue, 3 Feb 2015 00:29:21 +0100
Subject: [PATCH] Look for links to diaspora posts and try to fetch them if
 they aren't on the system.

---
 include/diaspora.php | 30 +++++++++++++++++++++++++++++-
 1 file changed, 29 insertions(+), 1 deletion(-)

diff --git a/include/diaspora.php b/include/diaspora.php
index 67d36e70f2..88a8e5e55b 100755
--- a/include/diaspora.php
+++ b/include/diaspora.php
@@ -895,15 +895,38 @@ function diaspora_post($importer,$xml,$msg) {
 
 	$datarray['visible'] = ((strlen($body)) ? 1 : 0);
 
+	DiasporaFetchGuid($datarray);
 	$message_id = item_store($datarray);
 
 	return;
 
 }
 
+function DiasporaFetchGuid($item) {
+	preg_replace_callback("&\[url=/posts/([^\[\]]*)\](.*)\[\/url\]&Usi",
+		function ($match) use ($item){
+			return(DiasporaFetchGuidSub($match, $item));
+		},$item["body"]);
+}
+
+function DiasporaFetchGuidSub($match, $item) {
+	$a = get_app();
+
+	$author = parse_url($item["author-link"]);
+	$authorserver = $author["scheme"]."://".$author["host"];
+
+	$owner = parse_url($item["owner-link"]);
+	$ownerserver = $owner["scheme"]."://".$owner["host"];
+
+	if (!diaspora_store_by_guid($match[1], $authorserver))
+		diaspora_store_by_guid($match[1], $ownerserver);
+}
+
 function diaspora_store_by_guid($guid, $server) {
 	require_once("include/Contact.php");
 
+	logger("fetching item ".$guid." from ".$server, LOGGER_DEBUG);
+
 	$item = diaspora_fetch_message($guid, $server);
 
 	if (!$item)
@@ -923,7 +946,7 @@ function diaspora_store_by_guid($guid, $server) {
 		dbesc($guid)
 	);
 	if(count($r))
-                return true;
+                return $r[0]["id"];
 
 	$person = find_diaspora_person_by_handle($author);
 
@@ -950,6 +973,7 @@ function diaspora_store_by_guid($guid, $server) {
 	$datarray['app']  = $app;
 	$datarray['visible'] = ((strlen($body)) ? 1 : 0);
 
+	DiasporaFetchGuid($datarray);
 	$message_id = item_store($datarray);
 
 	// To-Do:
@@ -1235,11 +1259,13 @@ function diaspora_reshare($importer,$xml,$msg) {
 		$datarray2['owner-avatar'] = $datarray2['author-avatar'];
 		$datarray2['body'] = $body;
 
+		DiasporaFetchGuid($datarray2);
 		$message_id = item_store($datarray2);
 
 		logger("Store original item ".$orig_guid." under message id ".$message_id);
 	}
 
+	DiasporaFetchGuid($datarray);
 	$message_id = item_store($datarray);
 
 	return;
@@ -1332,6 +1358,7 @@ function diaspora_asphoto($importer,$xml,$msg) {
 
 	$datarray['app']  = 'Diaspora/Cubbi.es';
 
+	DiasporaFetchGuid($datarray);
 	$message_id = item_store($datarray);
 
 	//if($message_id) {
@@ -1512,6 +1539,7 @@ function diaspora_comment($importer,$xml,$msg) {
 	if(($parent_item['origin']) && (! $parent_author_signature))
 		$datarray['app']  = 'Diaspora';
 
+	DiasporaFetchGuid($datarray);
 	$message_id = item_store($datarray);
 
 	//if($message_id) {
-- 
2.39.5