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implementierung clear des warenkorbs und bestellung des Kunden

Cart.java

@@ -3,7 +3,7 @@ import Shop.Products;
 import java.util.ArrayList;
 
 public class Cart {
-    private ArrayList<Products> cartContents;
+    private static ArrayList<Products> cartContents;
 
     public Cart() {
         cartContents = new ArrayList<Products>();
@@ -11,10 +11,10 @@ public class Cart {
 
 
     //Adding stuff to Cart (adding stuff to cart means removing from stock)
-    public boolean AddCart(Products prod){
+    public static boolean AddCart(Products prod, int amount){
         if (prod.getStock() > 0)  {                     // checking if product is in stock
             cartContents.add(prod);                     // adding to cart
-            prod.setStock(prod.getStock() - 1);         // removing from stock
+            prod.setStock(prod.getStock() - amount);         // removing from stock
             return true;
         }
         return false;
@@ -31,10 +31,10 @@ public class Cart {
     }
 
     //removing stuff from cart (means adding back to stock)
-    public boolean RemoveCart(Products prod){
+    public boolean RemoveCart(Products prod, int amount){
         if ( NumberOfArticels(prod) > 0)  {                     // checking if product is in stock
             if(cartContents.remove(prod)){                     // removing from cart
-            prod.setStock(prod.getStock() + 1);         // adding back to stock
+            prod.setStock(prod.getStock() + amount);         // adding back to stock
             return true;
             }
         }
@@ -140,4 +140,5 @@ public class Cart {
         return amount;
     }
 
+
 }

OnlineShop.java

@@ -1,16 +1,17 @@
 package Shop;
 
-import Shop.Cart;
+
-import Shop.Products;
 import java.io.File;
 import java.io.FileNotFoundException;
 import java.util.ArrayList;
 import java.util.Scanner;
 
+import static Shop.Shop.cart;
+
 public class OnlineShop {
     ArrayList<Products> warehouse;
 
-        public OnlineShop throws FileNotFoundException { //readFile-Methode
+        public Object OnlineShop() throws FileNotFoundException { //readFile-Methode
             warehouse = new ArrayList<>();
 
             //Einlesen
@@ -20,63 +21,121 @@ public class OnlineShop {
             while (scan.hasNextLine()) { //Solange da noch Zeilen im Dokument sind...
                 String Line = scan.nextLine().trim();
 
-                if (Line.length() == 5) {
+                while (scan.hasNextLine()) {
-                    String[] Parts = Line.split(",");
+                    String line = scan.nextLine().trim();
+                    String[] Parts = line.split(",");
 
-                    int productID = Integer.parseInt(Parts[0]);
+                    // ANNAHME: Die CSV-Zeile hat 6 Spalten (ID, Name, Gewicht, NetWorth, Tax, Stock)
-                    String Name = Parts[1];
+                    if (Parts.length == 6) {
-                    double weight = Double.parseDouble(Parts[2]);
+                        try {
-                    double netWorth = Double.parseDouble(Parts[3]);
+                            int productID = Integer.parseInt(Parts[0].trim()); // ID ist jetzt da
-                    double tax = Double.parseDouble(Parts[4]);
+                            String Name = Parts[1].trim();
-                    int stock = Integer.parseInt(Parts[5]);
+                            double weight = Double.parseDouble(Parts[2].trim());
-
+                            double netWorth = Double.parseDouble(Parts[3].trim());
-                    Products prod = new Products(Name, weight, netWorth, tax, stock, productID);
+                            double tax = Double.parseDouble(Parts[4].trim()); // z.B. 7.0 oder 19.0
-                    warehouse.add(prod);
+                            int stock = Integer.parseInt(Parts[5].trim());
-                }}
 
+                            Products prod = new Products(Name, weight, netWorth, tax, stock, productID);
+                            warehouse.add(prod);
+                        } catch (NumberFormatException e) {
+                            System.err.println("Fehler beim Parsen numerischer Daten in Zeile: " + Line);
+                        }
+                    }
+                }
                 scan.close();
             }
-            public String[] ProductList() {
+
-                String[] productList = new String [warehouse.size()];
+            class OrderCustomer {
-                for (int i = 0; i < warehouse.size(); i++) {
+                private String CustomerName;
-                    productList[i] = warehouse.get(i).toString();
+                private String Adress;
+                private Cart cart;
+                private double wholeAmount;
+
+                public OrderCustomer(String Name, String Adress, Cart cart, double wholeAmount) {
+                    this.CustomerName = Name;
+                    this.Adress = Adress;
+                    this.cart = cart;
+                    this.wholeAmount = wholeAmount;
+                }
+
+                public String getName() {
+                    return CustomerName;
+                }
+
+                public String getAdresse() {
+                    return Adress;
+                }
+
+                public Cart getCart() {
+                    return cart;
+                }
+
+                public double wholeAmount() {
+                    return wholeAmount;
+                }
             }
+        return 0;
 
-        return productList;
+
+    Products getProductById(int ProductID) {
+        int i = 0;
+        while (i < warehouse.size()) {
+            if (warehouse.get(i).getProductID() == id) {
+                return warehouse.get(i);
+            }
+            i++;
         }
+        return null;
+    }
 
-
+    public void showProducts() {
-
+        int i = 0;
-    public class Order {
+        while (i < warehouse.size()) {
-        private String Name;
+            Products p = warehouse.get(i);
-        private String Adress;
+            System.out.println(p.getProductID() + " | " +  p.getName() + " | " +
-        private Cart cart;
+                            String.format("%.2f €", p.getGrossPrice()) + " | Bestand: " + p.getStock());
-        private double wholeAmount;
+            i++;
-
-        public Order(String Name, String Adress, Cart cart, double wholeAmount) {
-            this.Name = Name;
-            this.Adress = Adress;
-            this.cart = cart;
-            this.wholeAmount = wholeAmount;
-        }
-
-        public String getName() {
-            return Name;
-        }
-
-        public String getAdresse() {
-            return Adress;
-        }
-
-        public Cart getCart() {
-            return cart;
-        }
-
-        public double wholeAmount() {
-            return wholeAmount;
         }
     }
 
+    OrderCustomer createOrder(String customerName, String Adress, Cart cart) {
+        double net = Cart.getnetWorth();
+        double tax = Cart.getTaxDelivery();
+        double gross = Cart.getGrossTotal();
+
+        Order order = new Order(name, Address, cart, net, tax, gross);
+        cart.clear();
+        return order;
+    }
 
 
+    public static class Order {
+        private String customerName;
+        private String address;
+        private Cart cart;
+        private double net;
+        private double tax;
+        private double gross;
+
+        public Order(String customerName, String address, Cart cart,
+                     double net, double tax, double gross) {
+            this.customerName = customerName;
+            this.address = address;
+            this.cart = cart.copy();
+            this.net = net;
+            this.tax = tax;
+            this.gross = gross;
+        }
+
+        public void printConfirmation() {
+            System.out.println("===== BESTELLBESTÄTIGUNG =====");
+            System.out.println("Name: " + customerName);
+            System.out.println("Adresse: " + address);
+            cart.printCart();
+            System.out.println("Netto: " + net + " €");
+            System.out.println("MwSt: " + tax + " €");
+            System.out.println("Brutto: " + gross + " €");
+        }
+    }
+}
 }

Products.java

@@ -19,7 +19,7 @@ import java.util.*;
             this.stock = stock;
             this.productID = productID;
         }
-        public int getProductID() {
+        public String getProductID() {
             return productID;
         }
         public void setProductID(int productID) {
@@ -57,7 +57,7 @@ import java.util.*;
             this.tax = newTax;
         }
 
-        public int getStock() {
+        public static int getStock() {
            return this.stock;
         }
         //neuer Bestand setzen
@@ -65,11 +65,16 @@ import java.util.*;
             this.stock = newStock;
         }
 
-        // Brutto Preis
         public double getGrossPrice() {
-            return this.netWorth * (1 + this.tax / 100);
+            return this.netWorth * (1 + this.tax);
         }
 
+        public double getTaxAmount() {
+            return this.getGrossPrice() - this.netWorth;
+        }
+
+
+
 
         public String toString() {
             return

Shop.java

@@ -11,7 +11,7 @@ import java.io.FileNotFoundException;
 public class Shop {
 
     private static OnlineShop shop;
-    private static Cart cart = new Cart();
+    static Cart cart = new Cart();
     private static Scanner sc = new Scanner(System.in);
 
     public static void main(String[] args) throws FileNotFoundException {
@@ -40,7 +40,7 @@ public class Shop {
         } else if (eingabe.equals("produktsuche") || eingabe.equals("suche")) {
             Search();
         } else if (eingabe.equals("warenkorb")) {
-            cart;
+            Cart();
         } else if (eingabe.equals("beenden")) {
             System.out.println("￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣");
             System.out.println("            Auf Wiedersehen!			      ");
@@ -143,4 +143,5 @@ public class Shop {
             }
         }
     }
+}