feat: add online editor, work in progress

app/src/main/java/com/stock/pignon/CartManager.java

@@ -8,10 +8,14 @@ public class CartManager {
     // Unified and global list for whole application
     private static final List<CartItem> items = new ArrayList<>();
 
-    // Private constructor: utility class, it should not be instantiated
+    /**
+     * Private constructor: utility class, it should not be instantiated
+     */
     private CartManager() {}
 
-    //  Returns the direct reference to the list to save memory on older devices
+    /**
+     * Returns the direct reference to the list to save memory on older devices
+     */
     public static List<CartItem> getItems() {
         return items;
     }
@@ -25,7 +29,9 @@ public class CartManager {
         return null;
     }
 
-    // Logic for adding, updating or removing items based on quantity, prevents duplicate entries
+    /**
+     * Logic for adding, updating or removing items based on quantity, prevents duplicate entries
+     */
     public static void addOrUpdateItem(String name, int minPrice, int maxPrice, int quantity, String imageFile) {
         CartItem current = getItemByName(name);
 
@@ -40,20 +46,27 @@ public class CartManager {
         }
     }
 
-    // Range-based pricing
-
+    /**
+     * Range-based pricing
+     */
     public static int getGlobalTotalMin() {
         int total = 0;
         for (CartItem item : items) total += item.getTotalMin();
         return total;
     }
 
+    /**
+     * Range-based pricing
+     */
     public static int getGlobalTotalMax() {
         int total = 0;
         for (CartItem item : items) total += item.getTotalMax();
         return total;
     }
 
+    /**
+     * Remove item from cart
+     */
     public static void clear() {
         items.clear();
     }