Added persistant shopping cart

app/src/main/java/com/example/mampfmobil/ui/MampfMobil.java

@@ -283,7 +283,7 @@ public class MampfMobil {
 
 
 
-        // bestellungsteil besteht aus  Customer-ID, ShopItem-ID
+        //Customer-ID, ShopItem-ID
         String csvFavoriten = "";
         for(Customer c:MampfMobil.customers){
             for(ShopItem sI: c.favoriten){
@@ -291,7 +291,18 @@ public class MampfMobil {
             }
         }
         String fileName7 = "favoriten.csv";
-        CSVFileHelper.saveCSVFile(context, fileName7, csvBestellungen);
+        CSVFileHelper.saveCSVFile(context, fileName7, csvFavoriten);
+
+
+        //Customer-ID, Item-ID, quantity
+        String csvShoppingCart = "";
+        for(Customer c:MampfMobil.customers){
+            for(BestellungsTeil bT: c.shoppingCart){
+                csvShoppingCart = csvShoppingCart + c.id + ","+ bT.item.id + "," + bT.quantity +"\n";
+            }
+        }
+        String fileName8 = "shoppingCart.csv";
+        CSVFileHelper.saveCSVFile(context, fileName8, csvShoppingCart);
 
     }
 
@@ -479,15 +490,17 @@ public class MampfMobil {
             String[] lines = csvData7.split("\n");
             for (String line : lines) {
                 String[] data = line.split(",");
-
+                Log.d("myTag", "ADDED 1 fav");
                 if (data.length >= 2) {
                     int cusId = Integer.parseInt(data[0]);
-                    int shopItemId = Integer.parseInt(data[0]);
-
+                    int shopItemId = Integer.parseInt(data[1]);
+                    Log.d("myTag", "ADDED 2 fav");
                     for (Customer c : MampfMobil.customers) {
                         if (c.id == cusId) {
+                            Log.d("myTag", "ADDED 3 fav");
                             for (Supplier s : MampfMobil.suppliers) {
                                 for (ShopItem sI : s.shopItems) {
+                                    Log.d("myTag", sI.id + "" + shopItemId);
                                     if (sI.id == shopItemId) {
                                         c.addToFavourits(sI);
                                     }
@@ -498,5 +511,34 @@ public class MampfMobil {
                 }
             }
         }
+
+
+
+
+        String fileName8 = "shoppingCart.csv";
+        String csvData8 = CSVFileHelper.loadCSVFile(context, fileName8);
+        if (csvData8 != null) {
+
+            String[] lines = csvData8.split("\n");
+            for (String line : lines) {
+                String[] data = line.split(",");
+                if (data.length >= 3) {
+                    int cusId = Integer.parseInt(data[0]);
+                    int itemId = Integer.parseInt(data[1]);
+                    int amount = Integer.parseInt(data[2]);
+                    for (Customer c : MampfMobil.customers) {
+                        if (c.id == cusId) {
+                            for (Supplier s : MampfMobil.suppliers) {
+                                for (ShopItem sI : s.shopItems) {
+                                    if (sI.item.id == itemId) {
+                                        c.addToShoppingCart(new BestellungsTeil(sI.item,amount));
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        }
     }
 }