Even better message on over quota error in move to trash operation (#1484164)

program/include/bc.php

@@ -205,9 +205,9 @@ function rcmail_quota_content($attrib = null)
     return rcmail::get_instance()->quota_content($attrib);
 }
 
-function rcmail_display_server_error($fallback=null, $fallback_args=null)
+function rcmail_display_server_error($fallback=null, $fallback_args=null, $suffix='')
 {
-    rcmail::get_instance()->display_server_error($fallback, $fallback_args);
+    rcmail::get_instance()->display_server_error($fallback, $fallback_args, $suffix);
 }
 
 function rcmail_filetype2classname($mimetype, $filename)

program/include/rcmail.php

@@ -1798,39 +1798,50 @@ class rcmail extends rcube
      *
      * @param string $fallback       Fallback message label
      * @param array  $fallback_args  Fallback message label arguments
+     * @param string $suffix         Message label suffix
      */
-    public function display_server_error($fallback = null, $fallback_args = null)
+    public function display_server_error($fallback = null, $fallback_args = null, $suffix = '')
     {
         $err_code = $this->storage->get_error_code();
         $res_code = $this->storage->get_response_code();
+        $args     = array();
 
         if ($res_code == rcube_storage::NOPERM) {
-            $this->output->show_message('errornoperm', 'error');
+            $error = 'errornoperm';
         }
         else if ($res_code == rcube_storage::READONLY) {
-            $this->output->show_message('errorreadonly', 'error');
+            $error = 'errorreadonly';
         }
         else if ($res_code == rcube_storage::OVERQUOTA) {
-            $this->output->show_message('errorroverquota', 'error');
+            $error = 'errorroverquota';
         }
         else if ($err_code && ($err_str = $this->storage->get_error_str())) {
             // try to detect access rights problem and display appropriate message
             if (stripos($err_str, 'Permission denied') !== false) {
-                $this->output->show_message('errornoperm', 'error');
+                $error = 'errornoperm';
             }
             // try to detect full mailbox problem and display appropriate message
             else if (stripos($err_str, 'Quota exceeded') !== false) {
-                $this->output->show_message('erroroverquota', 'error');
+                $error = 'erroroverquota';
             }
             else {
-                $this->output->show_message('servererrormsg', 'error', array('msg' => $err_str));
+                $error = 'servererrormsg';
+                $args  = array('msg' => $err_str);
             }
         }
         else if ($err_code < 0) {
-            $this->output->show_message('storageerror', 'error');
+            $error = 'storageerror';
         }
         else if ($fallback) {
-            $this->output->show_message($fallback, 'error', $fallback_args);
+            $error = $fallback;
+            $args  = $fallback_args;
+        }
+
+        if ($error) {
+            if ($suffix && $this->text_exists($error . $suffix)) {
+                $error .= $suffix;
+            }
+            $this->output->show_message($error, 'error', $args);
         }
     }
 

program/localization/en_US/messages.inc

@@ -28,7 +28,8 @@ $messages['dberror'] = 'Database Error!';
 $messages['requesttimedout'] = 'Request timed out';
 $messages['errorreadonly'] = 'Unable to perform operation. Folder is read-only.';
 $messages['errornoperm'] = 'Unable to perform operation. Permission denied.';
-$messages['erroroverquota'] = 'Unable to perform operation. No available disk space.';
+$messages['erroroverquota'] = 'Unable to perform operation. No free disk space.';
+$messages['erroroverquotadelete'] = 'No free disk space. Use SHIFT+DEL to delete a message.';
 $messages['invalidrequest'] = 'Invalid request! No data was saved.';
 $messages['invalidhost'] = 'Invalid server name.';
 $messages['nomessagesfound'] = 'No messages found in this mailbox.';

program/steps/mail/move_del.inc

@@ -29,10 +29,11 @@ $old_count = $RCMAIL->storage->count(NULL, $threading ? 'THREADS' : 'ALL');
 $old_pages = ceil($old_count / $RCMAIL->storage->get_pagesize());
 
 // move messages
-if ($RCMAIL->action=='moveto' && !empty($_POST['_uid']) && strlen($_POST['_target_mbox'])) {
-    $count = sizeof(explode(',', ($uids = get_input_value('_uid', RCUBE_INPUT_POST))));
+if ($RCMAIL->action == 'moveto' && !empty($_POST['_uid']) && strlen($_POST['_target_mbox'])) {
+    $count  = sizeof(explode(',', ($uids = get_input_value('_uid', RCUBE_INPUT_POST))));
     $target = get_input_value('_target_mbox', RCUBE_INPUT_POST, true);
-    $mbox = get_input_value('_mbox', RCUBE_INPUT_POST, true);
+    $mbox   = get_input_value('_mbox', RCUBE_INPUT_POST, true);
+    $trash  = $RCMAIL->config->get('trash_mbox');
 
     $moved = $RCMAIL->storage->move_message($uids, $target, $mbox);
 
@@ -40,7 +41,7 @@ if ($RCMAIL->action=='moveto' && !empty($_POST['_uid']) && strlen($_POST['_targe
         // send error message
         if ($_POST['_from'] != 'show')
             $OUTPUT->command('list_mailbox');
-        rcmail_display_server_error('errormoving');
+        rcmail_display_server_error('errormoving', null, $target == $trash ? 'delete' : '');
         $OUTPUT->send();
         exit;
     }