fix for bug #512056, update filters when renaming/deleting folders

functions/imap_mailbox.php

@@ -184,6 +184,7 @@ function sqimap_mailbox_delete ($imap_stream, $mailbox)
     $read_ary = sqimap_run_command($imap_stream, "DELETE \"$mailbox\"",
                                  TRUE, $response, $message);
     sqimap_unsubscribe ($imap_stream, $mailbox);
+	filter_check($mailbox, 'delete');
 }
 
 /***********************************************************************
@@ -200,15 +201,47 @@ function sqimap_mailbox_is_subscribed($imap_stream, $folder) {
     return false;
 }
 
+/* fix filters when renaming/deleting folders */
+
+function filter_check ($old_folder, $action, $new_folder = 'INBOX') {
+    global $plugins, $data_dir, $username;
+    $filters = array();
+    $count = count($plugins);
+    for ($i=0;$i<$count;$i++) {
+        if ($plugins[$i] == 'filters') {
+            require_once("../plugins/filters/filters.php");
+            $filters = load_filters();
+            break;
+        }
+    }
+    if (empty($filters)) {
+        return;
+    }
+    $filter_count = count($filters);
+    $p=0;
+    for ($i=0;$i<$filter_count;$i++) {
+        if ($old_folder == $filters[$i]['folder']) {
+            if ($action == 'rename') {
+                $filters[$i]['folder'] = $new_folder;
+                setPref($data_dir, $username, "filter".$i, $filters[$i]['where'].",".$filters[$i]['what'].",".$new_folder);
+            }
+            elseif ($action == 'delete') {
+                remove_filter($p);
+                $p = $p-1;
+            }
+        }
+    $p++;
+    }
+}
+
+
 /*
     Renames a mailbox
 */
 function sqimap_mailbox_rename( $imap_stream, $old_name, $new_name ) {
 
     if ( $old_name <> $new_name ) {
-
         global $delimiter, $imap_server_type;
-
         if ( substr( $old_name, -1 ) == $delimiter  ) {
             $old_name = substr( $old_name, 0, strlen( $old_name ) - 1 );
             $new_name = substr( $new_name, 0, strlen( $new_name ) - 1 );
@@ -222,6 +255,7 @@ function sqimap_mailbox_rename( $imap_stream, $old_name, $new_name ) {
                                  TRUE, $response, $message);
         sqimap_unsubscribe($imap_stream, $old_name.$postfix);
         sqimap_subscribe($imap_stream, $new_name.$postfix);
+        filter_check($old_name, 'rename', $new_name);
         $l = strlen( $old_name ) + 1;
         $p = 'unformatted';
         foreach ( $boxesall as $box ) {
@@ -234,6 +268,7 @@ function sqimap_mailbox_rename( $imap_stream, $old_name, $new_name ) {
                 }
                 sqimap_unsubscribe($imap_stream, $box[$p]);
                 sqimap_subscribe($imap_stream, $new_sub);
+                filter_check($box[$p], 'rename', $new_sub);
             }
         }
     }