From 3aba794f70e9ddf5223d1c9c6f6f51856cdec13b Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Thu, 30 Apr 2015 13:44:45 -0400
Subject: [PATCH] Fix bug where messages count was not updated after message move/delete with skip_deleted=false (#1490372)

---
 CHANGELOG                                    |    1 +
 program/lib/Roundcube/rcube_imap_generic.php |   39 ++++++++++++++++++++++++++-------------
 2 files changed, 27 insertions(+), 13 deletions(-)

diff --git a/CHANGELOG b/CHANGELOG
index 67833f5..71ec2d3 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -8,6 +8,7 @@
 - Fix missing or not up-to-date CATEGORIES entry in vCard export (#1490277)
 - Fix duplicate entry on timezones list in rcube_config::timezone_name_from_abbr() (#1490293)
 - Fix handling of %-encoded entities in mailto: URLs (#1490346)
+- Fix bug where messages count was not updated after message move/delete with skip_deleted=false (#1490372)
 
 RELEASE 1.0.5
 -------------
diff --git a/program/lib/Roundcube/rcube_imap_generic.php b/program/lib/Roundcube/rcube_imap_generic.php
index efdf087..67a1522 100644
--- a/program/lib/Roundcube/rcube_imap_generic.php
+++ b/program/lib/Roundcube/rcube_imap_generic.php
@@ -1146,7 +1146,7 @@
         }
 
         // Clear internal status cache
-        unset($this->data['STATUS:'.$mailbox]);
+        $this->clear_status_cache($mailbox);
 
         if (!empty($messages) && $messages != '*' && $this->hasCapability('UIDPLUS')) {
             $messages = self::compressMessageSet($messages);
@@ -1425,13 +1425,9 @@
      *
      * @return int Number of messages, False on error
      */
-    function countMessages($mailbox, $refresh = false)
+    function countMessages($mailbox)
     {
-        if ($refresh) {
-            $this->selected = null;
-        }
-
-        if ($this->selected === $mailbox) {
+        if ($this->selected === $mailbox && isset($this->data['EXISTS'])) {
             return $this->data['EXISTS'];
         }
 
@@ -1459,14 +1455,20 @@
      */
     function countRecent($mailbox)
     {
-        if (!strlen($mailbox)) {
-            $mailbox = 'INBOX';
+        if ($this->selected === $mailbox && isset($this->data['RECENT'])) {
+            return $this->data['RECENT'];
         }
 
-        $this->select($mailbox);
+        // Check internal cache
+        $cache = $this->data['STATUS:'.$mailbox];
+        if (!empty($cache) && isset($cache['RECENT'])) {
+            return (int) $cache['RECENT'];
+        }
 
-        if ($this->selected === $mailbox) {
-            return $this->data['RECENT'];
+        // Try STATUS (should be faster than SELECT)
+        $counts = $this->status($mailbox, array('RECENT'));
+        if (is_array($counts)) {
+            return (int) $counts['RECENT'];
         }
 
         return false;
@@ -2085,7 +2087,7 @@
 
             // Clear internal status cache
             unset($this->data['STATUS:'.$to]);
-            unset($this->data['STATUS:'.$from]);
+            $this->clear_status_cache($from);
 
             $result = $this->execute('UID MOVE', array(
                 $this->compressMessageSet($messages), $this->escape($to)),
@@ -3720,6 +3722,17 @@
     }
 
     /**
+     * Clear internal status cache
+     */
+    protected function clear_status_cache($mailbox)
+    {
+        unset($this->data['STATUS:' . $mailbox]);
+        unset($this->data['EXISTS']);
+        unset($this->data['RECENT']);
+        unset($this->data['UNSEEN']);
+    }
+
+    /**
      * Converts flags array into string for inclusion in IMAP command
      *
      * @param array $flags Flags (see self::flags)

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