From a4623b8313575975fc1b5cb11089ae7630f78ed1 Mon Sep 17 00:00:00 2001
From: Nuttapat Naothaworn <patnao@hotmail.com>
Date: Sun, 31 Mar 2024 11:04:08 +0700
Subject: [PATCH] add Story4

---
 .../kampus/kbazaar/cart/CartRepository.java   |  8 +++
 .../com/kampus/kbazaar/cart/CartService.java  | 50 +++++++++++++++++++
 .../kbazaar/cartItem/CartItemRepository.java  | 13 +++++
 .../kbazaar/cartItem/CartItemService.java     | 22 ++++++++
 4 files changed, 93 insertions(+)
 create mode 100644 kbazaar/src/main/java/com/kampus/kbazaar/cart/CartRepository.java
 create mode 100644 kbazaar/src/main/java/com/kampus/kbazaar/cart/CartService.java
 create mode 100644 kbazaar/src/main/java/com/kampus/kbazaar/cartItem/CartItemRepository.java
 create mode 100644 kbazaar/src/main/java/com/kampus/kbazaar/cartItem/CartItemService.java

diff --git a/kbazaar/src/main/java/com/kampus/kbazaar/cart/CartRepository.java b/kbazaar/src/main/java/com/kampus/kbazaar/cart/CartRepository.java
new file mode 100644
index 0000000..4843cda
--- /dev/null
+++ b/kbazaar/src/main/java/com/kampus/kbazaar/cart/CartRepository.java
@@ -0,0 +1,8 @@
+package com.kampus.kbazaar.cart;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface CartRepository extends JpaRepository<Cart, Long> {
+}
diff --git a/kbazaar/src/main/java/com/kampus/kbazaar/cart/CartService.java b/kbazaar/src/main/java/com/kampus/kbazaar/cart/CartService.java
new file mode 100644
index 0000000..dfe0567
--- /dev/null
+++ b/kbazaar/src/main/java/com/kampus/kbazaar/cart/CartService.java
@@ -0,0 +1,50 @@
+package com.kampus.kbazaar.cart;
+
+import com.kampus.kbazaar.cartItem.CartItem;
+import com.kampus.kbazaar.cartItem.CartItemService;
+import com.kampus.kbazaar.exceptions.NotFoundException;
+import org.springframework.stereotype.Service;
+
+import java.math.BigDecimal;
+import java.util.ArrayList;
+import java.util.List;
+
+@Service
+public class CartService {
+    private CartRepository cartRepository;
+    private CartItemService cartItemService;
+
+    public CartService(CartRepository cartRepository, CartItemService cartItemService) {
+        this.cartRepository = cartRepository;
+        this.cartItemService = cartItemService;
+    }
+
+    public List<CartResponse> getAll(){
+        List<Cart> carts = cartRepository.findAll();
+        if(carts.isEmpty()){
+            throw new NotFoundException("Cart not found");
+        }
+
+//        CartResponse cartResponse = new CartResponse();
+        List<CartResponse> cartResponseList = new ArrayList<CartResponse>();
+        for (Cart cart: carts){
+            List<CartItem> cartItems = cartItemService.findByUsername(cart.getUsername());
+            //Calculate for each username
+//            BigDecimal discount = 0;
+//            for (CartItem cartItem: cartItems){
+//
+//            }
+            CartResponse cartResponse = new CartResponse(
+                    cart.getUsername(),
+                    cartItems,
+                    cart.getDiscount(),
+                    cart.getTotalDiscount(),
+                    cart.getSubtotal(),
+                    cart.getGrandTotal()
+            );
+            cartResponseList.add(cartResponse);
+        }
+
+        return cartResponseList;
+    }
+}
diff --git a/kbazaar/src/main/java/com/kampus/kbazaar/cartItem/CartItemRepository.java b/kbazaar/src/main/java/com/kampus/kbazaar/cartItem/CartItemRepository.java
new file mode 100644
index 0000000..59be1e9
--- /dev/null
+++ b/kbazaar/src/main/java/com/kampus/kbazaar/cartItem/CartItemRepository.java
@@ -0,0 +1,13 @@
+package com.kampus.kbazaar.cartItem;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+import java.util.List;
+import java.util.Optional;
+
+@Repository
+public interface CartItemRepository extends JpaRepository<CartItem, Long> {
+
+    List<CartItem> findAllByUsername(String username);
+}
diff --git a/kbazaar/src/main/java/com/kampus/kbazaar/cartItem/CartItemService.java b/kbazaar/src/main/java/com/kampus/kbazaar/cartItem/CartItemService.java
new file mode 100644
index 0000000..b9dc2c0
--- /dev/null
+++ b/kbazaar/src/main/java/com/kampus/kbazaar/cartItem/CartItemService.java
@@ -0,0 +1,22 @@
+package com.kampus.kbazaar.cartItem;
+
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+public class CartItemService {
+    private CartItemRepository cartItemRepository;
+
+    public CartItemService(CartItemRepository cartItemRepository) {
+        this.cartItemRepository = cartItemRepository;
+    }
+
+    public List<CartItem> getAll(){
+        return cartItemRepository.findAll();
+    }
+
+    public List<CartItem> findByUsername(String username) {
+        return cartItemRepository.findAllByUsername(username);
+    }
+}