From b8b04199d427296105fc530b4328c9a73322d504 Mon Sep 17 00:00:00 2001
From: Skylar Ittner <admin@netsyms.com>
Date: Sat, 23 Jun 2018 14:55:40 -0600
Subject: [PATCH] Show useful error message when attempting to finish a
 transaction with no items

---
 action.php     | 5 +++++
 lang/en_us.php | 1 +
 2 files changed, 6 insertions(+)

diff --git a/action.php b/action.php
index 9aca2b9..6c0a4e6 100644
--- a/action.php
+++ b/action.php
@@ -38,6 +38,11 @@ switch ($VARS['action']) {
         $database->action(function ($database) {
             global $VARS, $binstack, $error, $oktx;
 
+            if (empty($VARS['items'])) {
+                $error = lang("no items", false);
+                return false;
+            }
+
             $items = $VARS['items'];
             $payments = $VARS['payments'];
             $customer = $VARS['customer'];
diff --git a/lang/en_us.php b/lang/en_us.php
index ba9ab86..c24a807 100644
--- a/lang/en_us.php
+++ b/lang/en_us.php
@@ -137,4 +137,5 @@ define("STRINGS", [
     "card x added" => "Gift card #{arg} added.",
     "card x saved" => "Gift card #{arg} updated.",
     "open drawer" => "Open Drawer",
+    "no items" => "No items in transaction.",
 ]);