From ef09b2751bc7242ea92102c89ff9e59c50bb69c3 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Tue, 10 Mar 2015 05:36:53 -0400
Subject: [PATCH] Fix rows count when messages search fails (#1490266)

---
 program/steps/mail/search.inc |   98 +++++++++++++++++++++++++++++++------------------
 1 files changed, 62 insertions(+), 36 deletions(-)

diff --git a/program/steps/mail/search.inc b/program/steps/mail/search.inc
index 51dab7d..02281e6 100644
--- a/program/steps/mail/search.inc
+++ b/program/steps/mail/search.inc
@@ -38,9 +38,11 @@
 $filter  = rcube_utils::get_input_value('_filter', rcube_utils::INPUT_GET);
 $headers = rcube_utils::get_input_value('_headers', rcube_utils::INPUT_GET);
 $scope   = rcube_utils::get_input_value('_scope', rcube_utils::INPUT_GET);
+$continue = rcube_utils::get_input_value('_continue', rcube_utils::INPUT_GET);
 $subject = array();
 
-$search_request = md5($mbox.$filter.$str);
+$filter         = trim($filter);
+$search_request = md5($mbox.$scope.$filter.$str);
 
 // add list filter string
 $search_str = $filter && $filter != 'ALL' ? $filter : '';
@@ -86,8 +88,9 @@
         }
 
         // save search modifiers for the current folder to user prefs
+        $mkey               = $scope == 'all' ? '*' : $mbox;
         $search_mods        = rcmail_search_mods();
-        $search_mods[$mbox] = array_fill_keys(array_keys($subject), 1);
+        $search_mods[$mkey] = array_fill_keys(array_keys($subject), 1);
 
         $RCMAIL->user->save_prefs(array('search_mods' => $search_mods));
     }
@@ -109,24 +112,28 @@
 $search_str  = trim($search_str);
 $sort_column = rcmail_sort_column();
 
-// search all, current or subfolders folders
-if ($scope == 'all') {
-    $mboxes = $RCMAIL->storage->list_folders_subscribed('', '*', 'mail');
-}
-else if ($scope == 'sub') {
-    $mboxes = $RCMAIL->storage->list_folders_subscribed($mbox, '*', 'mail');
-    if ($mbox != 'INBOX' && $mboxes[0] == 'INBOX')
-        array_shift($mboxes);
+// set message set for already stored (but incomplete) search request
+if (!empty($continue) && isset($_SESSION['search']) && $_SESSION['search_request'] == $continue) {
+    $RCMAIL->storage->set_search_set($_SESSION['search']);
+    $search_str = $_SESSION['search'][0];
 }
 
 // execute IMAP search
 if ($search_str) {
-    $RCMAIL->storage->search($mboxes, $search_str, $imap_charset, $sort_column);
-}
+    // search all, current or subfolders folders
+    if ($scope == 'all') {
+        $mboxes = $RCMAIL->storage->list_folders_subscribed('', '*', 'mail', null, true);
+        natcasesort($mboxes);  // we want natural alphabetic sorting of folders in the result set
+    }
+    else if ($scope == 'sub') {
+        $mboxes = $RCMAIL->storage->list_folders_subscribed($mbox, '*', 'mail');
+        if ($mbox != 'INBOX' && $mboxes[0] == 'INBOX') {
+            array_shift($mboxes);
+        }
+    }
 
-// Get the headers
-$result_h = $RCMAIL->storage->list_messages($mbox, 1, $sort_column, rcmail_sort_order());
-$count    = $RCMAIL->storage->count($mbox, $RCMAIL->storage->get_threading() ? 'THREADS' : 'ALL');
+    $result = $RCMAIL->storage->search($mboxes, $search_str, $imap_charset, $sort_column);
+}
 
 // save search results in session
 if (!is_array($_SESSION['search'])) {
@@ -138,51 +145,70 @@
     $_SESSION['last_text_search'] = $str;
 }
 $_SESSION['search_request'] = $search_request;
-$_SESSION['search_scope'] = $scope;
+$_SESSION['search_scope']   = $scope;
 
-// Add 'folder' column to list
-if ($_SESSION['search'][1]->multi) {
-    $a_show_cols = $_SESSION['list_attrib']['columns'] ? $_SESSION['list_attrib']['columns'] : (array)$CONFIG['list_cols'];
-    if (!in_array('folder', $a_show_cols))
-        $a_show_cols[] = 'folder';
 
-    // make message UIDs unique by appending the folder name
-    foreach ($result_h as $i => $header) {
-        $header->uid .= '-'.$header->folder;
-        $header->flags['skip_mbox_check'] = true;
-        if ($header->parent_uid)
-            $header->parent_uid .= '-'.$header->folder;
-    }
-
-    $OUTPUT->command('select_folder', '');
+// Get the headers
+if (!$result->incomplete) {
+    $result_h = $RCMAIL->storage->list_messages($mbox, 1, $sort_column, rcmail_sort_order());
 }
 
 // Make sure we got the headers
 if (!empty($result_h)) {
-    rcmail_js_message_list($result_h, false, $a_show_cols);
+    $count = $RCMAIL->storage->count($mbox, $RCMAIL->storage->get_threading() ? 'THREADS' : 'ALL');
+
+    rcmail_js_message_list($result_h, false);
+
     if ($search_str) {
         $OUTPUT->show_message('searchsuccessful', 'confirmation', array('nr' => $RCMAIL->storage->count(NULL, 'ALL')));
     }
 
     // remember last HIGHESTMODSEQ value (if supported)
     // we need it for flag updates in check-recent
-    $data = $RCMAIL->storage->folder_data($mbox_name);
-    if (!empty($data['HIGHESTMODSEQ'])) {
-        $_SESSION['list_mod_seq'] = $data['HIGHESTMODSEQ'];
+    if ($mbox !== null) {
+        $data = $RCMAIL->storage->folder_data($mbox);
+        if (!empty($data['HIGHESTMODSEQ'])) {
+            $_SESSION['list_mod_seq'] = $data['HIGHESTMODSEQ'];
+        }
     }
 }
 // handle IMAP errors (e.g. #1486905)
-else  if ($err_code = $RCMAIL->storage->get_error_code()) {
+else if ($err_code = $RCMAIL->storage->get_error_code()) {
+    $count = 0;
     $RCMAIL->display_server_error();
 }
+// advice the client to re-send the (cross-folder) search request
+else if ($result->incomplete) {
+    $count = 0;  // keep UI locked
+    $OUTPUT->command('continue_search', $search_request);
+}
 else {
+    $count = 0;
     $OUTPUT->show_message('searchnomatch', 'notice');
+    $OUTPUT->set_env('multifolder_listing', (bool)$result->multi);
+    if ($result->multi && $scope == 'all') {
+        $OUTPUT->command('select_folder', '');
+    }
 }
 
 // update message count display
 $OUTPUT->set_env('search_request', $search_str ? $search_request : '');
+$OUTPUT->set_env('search_filter', $_SESSION['search_filter']);
+$OUTPUT->set_env('threading', $RCMAIL->storage->get_threading());
 $OUTPUT->set_env('messagecount', $count);
 $OUTPUT->set_env('pagecount', ceil($count/$RCMAIL->storage->get_pagesize()));
-$OUTPUT->set_env('exists', $RCMAIL->storage->count($mbox_name, 'EXISTS'));
+$OUTPUT->set_env('exists', $mbox === null ? 0 : $RCMAIL->storage->count($mbox, 'EXISTS'));
 $OUTPUT->command('set_rowcount', rcmail_get_messagecount_text($count, 1), $mbox);
+
+rcmail_list_pagetitle();
+
+// update unseen messages count
+if (empty($search_str)) {
+    rcmail_send_unread_count($mbox, false, empty($result_h) ? 0 : null);
+}
+
+if (!$result->incomplete) {
+    $OUTPUT->command('set_quota', $RCMAIL->quota_content(null, $result->multi ? 'INBOX' : $mbox));
+}
+
 $OUTPUT->send();

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