Merge remote-tracking branch 'friendica/master'

[friendica.git] / include / conversation.php

diff --git a/include/conversation.php b/include/conversation.php
index f4dd01ddeb3363ac502b4a2989b8e47038c0f678..26430d645caf0bf62907d845a4d62e59cf95d607 100644 (file)
--- a/include/conversation.php
+++ b/include/conversation.php
@@ -892,3 +892,63 @@ function status_editor($a,$x, $notes_cid = 0) {
 
        return $o;
 }
+
+
+function conv_sort($arr,$order) {
+
+       if((!(is_array($arr) && count($arr))))
+               return array();
+
+       $parents = array();
+
+       foreach($arr as $x)
+               if($x['id'] == $x['parent'])
+                               $parents[] = $x;
+
+       if(stristr($order,'created'))
+               usort($parents,'sort_thr_created');
+       elseif(stristr($order,'commented'))
+               usort($parents,'sort_thr_commented');
+
+       foreach($parents as $x) 
+               $x['children'] = array();
+
+       foreach($arr as $x) {
+               if($x['id'] != $x['parent']) {
+                       $p = find_thread_parent_index($parents,$x);
+                       $parents[$p]['children'][] = $x;
+               }
+       }
+       foreach($parents as $x)
+               if(count($x['children']))
+                       usort($x['children'],'sort_thr_created_rev');
+
+       $ret = array();
+       foreach($parents as $x) {
+               $ret[] = $x;
+               if(count($x['children']))
+                       foreach($x['children'] as $y)
+                               $ret[] = $y;
+       }
+
+       return $ret;
+}
+
+
+function sort_thr_created($a,$b) {
+       return strcmp($b['created'],$a['created']);
+}
+
+function sort_thr_created_rev($a,$b) {
+       return strcmp($a['created'],$b['created']);
+}
+
+function sort_thr_commented($a,$b) {
+       return strcmp($b['commented'],$a['commented']);
+}
+
+function find_thread_parent_index($arr,$x) {
+       foreach($arr as $k => $v)
+               if($v['id'] == $x['parent'])
+                       return $k;
+}