From 8901180d8598ecb90b33f872b80d1b9c6832ade5 Mon Sep 17 00:00:00 2001
From: Leander <leander.schmedemann@gmail.com>
Date: Mon, 27 Mar 2017 15:58:06 +0200
Subject: [PATCH] T1703271557

---
 Config.txt   | 3 ++-
 Database.php | 4 ++--
 start.php    | 6 ++++--
 3 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/Config.txt b/Config.txt
index d319ec4..6f058b0 100644
--- a/Config.txt
+++ b/Config.txt
@@ -10,4 +10,5 @@
 11102 - User name already exists
 
 = start.php =
-12101 - More questions wanted then existing
\ No newline at end of file
+12101 - 0 questions wanted, no game without a question!
+12102 - More questions wanted then existing
\ No newline at end of file
diff --git a/Database.php b/Database.php
index 5dd804c..ba051fd 100644
--- a/Database.php
+++ b/Database.php
@@ -51,12 +51,12 @@ class Database
             case 11102:
                 return 'User name already exists. Please pick a different name.';
             case 12101:
+                return 'A game without a question is not possible. Please select new game length.';
+            case 12102:
                 return 'We only have '.$values[0].' questions. Please select new game length.';
             default:
                 return 'An unknown error occurred.';
         }
     }
-
 }
-
 ?>
\ No newline at end of file
diff --git a/start.php b/start.php
index c7f250c..e0279fb 100644
--- a/start.php
+++ b/start.php
@@ -14,9 +14,11 @@
     $length = ($_GET['length'] && gettype(+$_GET['length']) == 'integer') ? +$_GET['length'] : 10;
     $database = new Database();
     $questions_count = $database->query('SELECT COUNT(*) FROM "Questions"')['data'][0]['count'];
-
-    if($length > $questions_count) {
+    if($length = 0) {
         $error = 12101;
+    }
+    if($length > $questions_count) {
+        $error = 12102;
         $values = array($questions_count);
     }
     $response = Database::create_response($data, $error, $values);