From 6f15feb5d33dcba24e0c1d380d5adc3bc936c2e0 Mon Sep 17 00:00:00 2001
From: Daniel Zikol <3020574@stud.hs-mannheim.de>
Date: Sun, 14 Dec 2025 14:55:02 +0100
Subject: [PATCH] =?UTF-8?q?#Feat=20-=20Suche=20=C3=BCber=20ID,=20Name=20im?=
 =?UTF-8?q?plementiert=20sowie=20Lagerbestand=20senken.?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../main/java/shop/backend/OnlineShop.java    | 32 +++++++++++++++++--
 1 file changed, 30 insertions(+), 2 deletions(-)

diff --git a/Shop/src/de/th_mannheim/informatik/main/java/shop/backend/OnlineShop.java b/Shop/src/de/th_mannheim/informatik/main/java/shop/backend/OnlineShop.java
index 052b638..f1effb5 100644
--- a/Shop/src/de/th_mannheim/informatik/main/java/shop/backend/OnlineShop.java
+++ b/Shop/src/de/th_mannheim/informatik/main/java/shop/backend/OnlineShop.java
@@ -34,8 +34,8 @@ public class OnlineShop {
             double net = Double.valueOf(partsOfList[3]);
             double mwst = Double.valueOf(partsOfList[4]);
             int stock = Integer.valueOf(partsOfList[5]);
-            Product product = new Product(id,name,weight,net,mwst,stock);
-            lager.add(product);
+            Product prd = new Product(id,name,weight,net,mwst,stock);
+            lager.add(prd);
         }
     }
 
@@ -47,6 +47,34 @@ public class OnlineShop {
         return produkt;
     }
 
+    public Product getProdId(int prodID){
+        for(int i = 0; i < lager.size();  ){
+            Product prod = lager.get(i);
+            if(prod.getProdID() == prodID){
+                return prod;
+            }
+        }
+        return null; //<------ Nichts gefunden. Referenz null
+    }
+    public ArrayList<Product> seachByName(String searchText){
+        ArrayList<Product> result = new ArrayList<>();
+        for(Product prod : lager){
+            if(prod.getName().equalsIgnoreCase(searchText)){
+                result.add(prod);
+            }
+        }
+        return result;
+    }
+    public boolean reduceStock(Product prod, int quantity){
+        if(prod.getStock() >= quantity){
+            prod.setStock(prod.getStock() - quantity);
+            return true;
+        }
+        return false;
+    }
+
+
+
     public static ArrayList<String> readFile(String path) throws FileNotFoundException {
         ArrayList<String> lines = new ArrayList<>();
         Scanner sc = new Scanner(new File(path));