From cee3570ef0e70fc1e612d5ab6f55ed13708d39f6 Mon Sep 17 00:00:00 2001
From: oscar <oscarzhou0727@icloud.com>
Date: Sat, 18 Mar 2023 22:35:46 +1300
Subject: [PATCH] add cart item component and use cart context

---
 src/components/Cart/Cart.js             | 34 +++++++++++--
 src/components/Cart/CartItem.js         | 23 +++++++++
 src/components/Cart/CartItem.module.css | 65 +++++++++++++++++++++++++
 3 files changed, 118 insertions(+), 4 deletions(-)
 create mode 100644 src/components/Cart/CartItem.js
 create mode 100644 src/components/Cart/CartItem.module.css

diff --git a/src/components/Cart/Cart.js b/src/components/Cart/Cart.js
index c449a4d..d73bc85 100644
--- a/src/components/Cart/Cart.js
+++ b/src/components/Cart/Cart.js
@@ -1,11 +1,37 @@
+import { useContext } from "react";
 import classes from "./Cart.module.css";
 import Modal from "../UI/Modal";
+import CartContext from "../../store/cart-context";
+import CartItem from "./CartItem";
 
 const Cart = (props) => {
+  const cartCtx = useContext(CartContext);
+
+  const totalAmount = `$${cartCtx.totalAmount.toFixed(2)}`;
+
+  const hasItems = cartCtx.items.length > 0;
+
+  const cartItemAddHandler = (item) => {
+    cartCtx.addItem(item);
+  };
+
+  const cartItemRemoveHandler = (id) => {
+    cartCtx.removeItem(id);
+  };
+
   const cartItems = (
     <ul className={classes["cart-items"]}>
-      {[{ id: "c1", name: "sushi", amount: 2, price: 12.99 }].map((item) => (
-        <li>{item.name}</li>
+      {cartCtx.items.map((item) => (
+        <CartItem
+          key={item.id}
+          name={item.name}
+          amount={item.amount}
+          price={item.price}
+          onRemove={cartItemRemoveHandler.bind(null, item.id)}
+          onAdd={cartItemAddHandler.bind(null, item)}
+        >
+          {item.name}
+        </CartItem>
       ))}
     </ul>
   );
@@ -15,13 +41,13 @@ const Cart = (props) => {
       {cartItems}
       <div className={classes.total}>
         <span>Total Amount</span>
-        <span>35.63</span>
+        <span>{totalAmount}</span>
       </div>
       <div className={classes.actions}>
         <button className={classes["button--alt"]} onClick={props.onHideCart}>
           Close
         </button>
-        <button className={classes.button}>Order</button>
+        {hasItems && <button className={classes.button}>Order</button>}
       </div>
     </Modal>
   );
diff --git a/src/components/Cart/CartItem.js b/src/components/Cart/CartItem.js
new file mode 100644
index 0000000..0c534fc
--- /dev/null
+++ b/src/components/Cart/CartItem.js
@@ -0,0 +1,23 @@
+import classes from './CartItem.module.css';
+
+const CartItem = (props) => {
+  const price = `$${props.price.toFixed(2)}`;
+
+  return (
+    <li className={classes['cart-item']}>
+      <div>
+        <h2>{props.name}</h2>
+        <div className={classes.summary}>
+          <span className={classes.price}>{price}</span>
+          <span className={classes.amount}>x {props.amount}</span>
+        </div>
+      </div>
+      <div className={classes.actions}>
+        <button onClick={props.onRemove}>−</button>
+        <button onClick={props.onAdd}>+</button>
+      </div>
+    </li>
+  );
+};
+
+export default CartItem;
\ No newline at end of file
diff --git a/src/components/Cart/CartItem.module.css b/src/components/Cart/CartItem.module.css
new file mode 100644
index 0000000..f93a02a
--- /dev/null
+++ b/src/components/Cart/CartItem.module.css
@@ -0,0 +1,65 @@
+.cart-item {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  border-bottom: 2px solid #8a2b06;
+  padding: 1rem 0;
+  margin: 1rem 0;
+}
+
+.cart-item h2 {
+  margin: 0 0 0.5rem 0;
+  color: #363636;
+}
+
+.summary {
+  width: 10rem;
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+}
+
+.price {
+  font-weight: bold;
+  color: #8a2b06;
+}
+
+.amount {
+  font-weight: bold;
+  border: 1px solid #ccc;
+  padding: 0.25rem 0.75rem;
+  border-radius: 6px;
+  color: #363636;
+}
+
+.actions {
+  display: flex;
+  flex-direction: column;
+}
+
+@media (min-width: 768px) {
+  .actions {
+    flex-direction: row;
+  }
+}
+
+.cart-item button {
+  font: inherit;
+  font-weight: bold;
+  font-size: 1.25rem;
+  color: #8a2b06;
+  border: 1px solid #8a2b06;
+  width: 3rem;
+  text-align: center;
+  border-radius: 6px;
+  background-color: transparent;
+  cursor: pointer;
+  margin-left: 1rem;
+  margin: 0.25rem;
+}
+
+.cart-item button:hover,
+.cart-item button:active {
+  background-color: #8a2b06;
+  color: white;
+}
\ No newline at end of file