OStatus: Basic support for groups, new function to detect reshared items

diff --git a/include/ostatus.php b/include/ostatus.php
index 58fd1f2b71e6f93b5e8db2cce421bbc2441faa95..73b10bd1d90d04c484691c1e5b057a2fe98495d7 100644 (file)
--- a/include/ostatus.php
+++ b/include/ostatus.php
@@ -1079,6 +1079,35 @@ function ostatus_store_conversation($itemid, $conversation_url) {
        }
 }
 
+function get_reshared_guid($item) {
+        $body = trim($item["body"]);
+
+        // Skip if it isn't a pure repeated messages
+        // Does it start with a share?
+        if (strpos($body, "[share") > 0)
+                return("");
+
+        // Does it end with a share?
+        if (strlen($body) > (strrpos($body, "[/share]") + 8))
+                return("");
+
+        $attributes = preg_replace("/\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","$1",$body);
+        // Skip if there is no shared message in there
+        if ($body == $attributes)
+                return(false);
+
+        $guid = "";
+        preg_match("/guid='(.*?)'/ism", $attributes, $matches);
+        if ($matches[1] != "")
+                $guid = $matches[1];
+
+        preg_match('/guid="(.*?)"/ism', $attributes, $matches);
+        if ($matches[1] != "")
+                $guid = $matches[1];
+
+       return $guid;
+}
+
 function xml_add_element($doc, $parent, $element, $value = "", $attributes = array()) {
        $element = $doc->createElement($element, xmlify($value));
 
@@ -1474,10 +1503,19 @@ function ostatus_entry($doc, $item, $owner, $toplevel = false, $repeat = false)
                        if ($t[0] == "@")
                                $mentioned[$t[1]] = $t[1];
 
-       foreach ($mentioned AS $mention)
-               xml_add_element($doc, $entry, "link", "", array("rel" => "mentioned",
-                                                                       "ostatus:object-type" => ACTIVITY_OBJ_PERSON,
-                                                                       "href" => $mention));
+       foreach ($mentioned AS $mention) {
+               $r = q("SELECT `forum`, `prv` FROM `contact` WHERE `uid` = %d AND `nurl` = '%s'",
+                       intval($owner["uid"]),
+                       dbesc(normalise_link($mention)));
+               if ($r[0]["forum"] OR $r[0]["prv"])
+                       xml_add_element($doc, $entry, "link", "", array("rel" => "mentioned",
+                                                                               "ostatus:object-type" => ACTIVITY_OBJ_GROUP,
+                                                                               "href" => $mention));
+               else
+                       xml_add_element($doc, $entry, "link", "", array("rel" => "mentioned",
+                                                                               "ostatus:object-type" => ACTIVITY_OBJ_PERSON,
+                                                                               "href" => $mention));
+       }
 
        if (!$item["private"])
                xml_add_element($doc, $entry, "link", "", array("rel" => "mentioned",