From 5162e3fc19df2cb909dae85bebf44aba08738b23 Mon Sep 17 00:00:00 2001
From: CodeSteak <codesteak@shellf.art>
Date: Wed, 24 Jun 2020 02:05:25 +0200
Subject: [PATCH] Fix in stock calculation. closes #118

---
 .../ecommerce/controller/shop/ShopArticleController.java    | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/prototype/src/main/java/org/hso/ecommerce/controller/shop/ShopArticleController.java b/prototype/src/main/java/org/hso/ecommerce/controller/shop/ShopArticleController.java
index b1df109..9345e83 100644
--- a/prototype/src/main/java/org/hso/ecommerce/controller/shop/ShopArticleController.java
+++ b/prototype/src/main/java/org/hso/ecommerce/controller/shop/ShopArticleController.java
@@ -52,7 +52,11 @@ public class ShopArticleController {
         }
         model.addAttribute("article", article);
 
-        if (warehouseBookingPositionSlotEntryRepository.getByArticle(id).get(0).newSumSlot > 0) {   //check if in Stock
+        if (warehouseBookingPositionSlotEntryRepository
+                .getByArticle(id)
+                .stream()
+                .mapToInt(e -> e.newSumSlot)
+                .sum() > 0) {   //check if in Stock
             model.addAttribute("inStock", true);
         } else {
             model.addAttribute("inStock", false);