From cf20bc1c293d50886c306a7a5fd2e83191313611 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Philip=20H=C3=A4usler?= <msquare@notrademark.de>
Date: Wed, 26 Mar 2014 18:51:34 +0100
Subject: [PATCH] test for existing shifts

---
 includes/pages/user_shifts.php | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/includes/pages/user_shifts.php b/includes/pages/user_shifts.php
index a80a6622..1e94b99f 100644
--- a/includes/pages/user_shifts.php
+++ b/includes/pages/user_shifts.php
@@ -296,6 +296,12 @@ function view_user_shifts() {
   
   $ical_shifts = array();
   $days = sql_select_single_col("SELECT DISTINCT DATE(FROM_UNIXTIME(`start`)) AS `id`, DATE(FROM_UNIXTIME(`start`)) AS `name` FROM `Shifts` ORDER BY `start`");
+  
+  if (count($days) == 0) {
+    error(_("The administration has not configured any shifts yet."));
+    redirect('?');
+  }
+  
   $rooms = sql_select("SELECT `RID` AS `id`, `Name` AS `name` FROM `Room` WHERE `show`='Y' ORDER BY `Name`");
   
   if (count($rooms) == 0) {