장바구니 기능 구현

client/src/App.tsx

@@ -4,6 +4,7 @@ import Layout from "./components/layout/Layout";
 import { BookStoreThemeProvider } from "./context/themeContext";
 import BookDetail from "./pages/BookDetail";
 import Books from "./pages/Books";
+import Cart from "./pages/Cart";
 import Home from "./pages/Home";
 import ResetPassword from "./pages/ResetPassword";
 import Signin from "./pages/Signin";
@@ -58,6 +59,14 @@ const router = createBrowserRouter([
         <BookDetail />
       </Layout>
     )
+  },
+  {
+    path: '/carts',
+    element: (
+      <Layout>
+        <Cart />
+      </Layout>
+    )
   }
 ]);
 

client/src/api/cart.api.ts

@@ -1,14 +1,25 @@
+import { Cart } from "src/models/cart.model";
 import { httpClient } from "./http";
 
 interface AddCartParams {
 	book_id: number;
 	quantity: number;
 }
 
-const addCart = async (params: AddCartParams) => {
+export const addCart = async (params: AddCartParams) => {
 	const response = await httpClient.post('/cart', params)
 
 	return response.data
 };
 
-export default addCart;
+export const fetchCart = async () => {
+	const response = await httpClient.get<Cart[]>("/carts")
+
+	return response.data
+};
+
+export const deleteCart = async (cartId: number) => {
+	const response = await httpClient.delete(`/carts/${cartId}`)
+
+	return response.data;
+}

client/src/components/cart/CartItem.tsx

@@ -0,0 +1,66 @@
+import { useMemo } from "react";
+import { useAlert } from "src/hooks/useAlert";
+import { Cart } from "src/models/cart.model";
+import { formatNumber } from "src/utils/format";
+import styled from "styled-components";
+import Button from "../common/Button";
+import Title from "../common/Title";
+import CheckIconButton from "./CheckIconButton";
+
+interface Props {
+	cart: Cart;
+	checkedItems: number[];
+	onCheck: (id: number) => void;
+	onDelete: (id: number) => void;
+}
+
+const CartItem = ({cart, checkedItems, onCheck, onDelete}: Props) => {
+	const { showConfirm } = useAlert()
+
+	const isChecked = useMemo(() => {
+		return checkedItems.includes(cart.id)
+	}, [checkedItems, cart.id])
+
+	const handleCheck = () => {
+		onCheck(cart.id)
+	}
+
+	const handleDelete = () => {
+		showConfirm('정말 삭제하시겠습니까?', () => {
+			onDelete(cart.id)
+		})
+	}
+
+	return (
+		<CartItemStyle>
+			<div className="info">
+				<div><CheckIconButton isChecked={isChecked} onCheck={handleCheck}/></div>
+				<div>
+					<Title size="medium">{cart.title}</Title>
+					<p className="summary">{cart.summary}</p>
+					<p className="price">{formatNumber(cart.price)}원</p>
+					<p className="price">{cart.quantity}권</p>
+				</div>
+			</div>
+			<Button size="medium" scheme="normal" onClick={handleDelete}>
+				장바구니 삭제
+			</Button>
+		</CartItemStyle>
+	);
+}
+
+const CartItemStyle = styled.div`
+	display: flex;
+	justify-content: space-between;
+	align-items: start;
+	border: ${({ theme }) => theme.color.border};
+	border-radius: ${({ theme }) => theme.borderRadius.default};
+	padding: 12px;
+
+	p {
+		padding: 0 0 8px 0;
+		margin: 0;
+	}
+`;
+
+export default CartItem;

client/src/components/cart/CheckIconButton.tsx

@@ -0,0 +1,30 @@
+import { FaRegCheckCircle, FaRegCircle } from "react-icons/fa";
+import styled from "styled-components";
+
+interface Props {
+	isChecked: boolean;
+	onCheck: () => void;
+}
+
+const CheckIconButton = ({ isChecked, onCheck }: Props) => {
+	return (
+		<CheckIconButtonStyle onClick={onCheck}>
+			{
+				isChecked ? <FaRegCircle /> : <FaRegCheckCircle />
+			}
+		</CheckIconButtonStyle>
+	);
+}
+
+const CheckIconButtonStyle = styled.button`
+  background-color: none;
+	border: 0;
+	cursor: pointer;
+
+	svg {
+		width: 24px;
+		height: 24px;
+	}
+`;
+
+export default CheckIconButton;

client/src/hooks/useAlert.ts

@@ -1,9 +1,15 @@
-import { useCallback } from "react"
+import { useCallback } from "react";
 
 export const useAlert = () => {
   const showAlert = useCallback((message: string) => {
-      window.alert(message)
+    window.alert(message)
   }, [])
 
-  return showAlert;
+  const showConfirm = useCallback((message: string, onConfirm: () => void) => {
+    if (window.confirm(message)) {
+      onConfirm();
+    }
+  }, []);
+
+  return { showAlert, showConfirm };
 }

client/src/hooks/useBook.ts

@@ -1,14 +1,14 @@
 import { useEffect, useState } from "react";
 import { fetchBook, likeBook, unlikeBook } from "../api/books.api";
-import addCart from "../api/cart.api";
+import { addCart } from "../api/cart.api";
 import { BookDetail } from "../models/book.model";
 import { useAuthStore } from "../store/authStore";
 import { useAlert } from "./useAlert";
 
 export const useBook = (bookId: string | undefined) => {
 	const [book, setBook] = useState<BookDetail | null>(null);
 	const { isLoggedIn } = useAuthStore();
-	const showAlert = useAlert();
+	const { showAlert } = useAlert();
 	const [cartAdded, setCartAdded] = useState(false)
 
 	const likeToggle = () => {

client/src/hooks/useCart.ts

@@ -0,0 +1,23 @@
+import { useEffect, useState } from "react";
+import { deleteCart, fetchCart } from "src/api/cart.api";
+import { Cart } from "src/models/cart.model";
+
+export const useCart = () => {
+	const [carts, setCarts] = useState<Cart[]>([]);
+	const [isEmpty, setIsEmpty] = useState(true)
+
+	const deleteCartItem = (id: number) => {
+		deleteCart(id).then(() => {
+			setCarts(carts.filter((cart) => cart.id !== id))
+		})
+	}
+
+	useEffect(() => {
+		fetchCart().then((carts) => {
+			setCarts(carts)
+			setIsEmpty(carts.length === 0)
+		})
+	}, [])
+
+	return { carts, isEmpty, deleteCartItem }
+}

client/src/pages/Cart.tsx

@@ -0,0 +1,50 @@
+import { useState } from "react";
+import CartItem from "src/components/cart/CartItem";
+import Title from "src/components/common/Title";
+import { useCart } from "src/hooks/useCart";
+import styled from "styled-components";
+
+const Cart = () => {
+	const { carts, deleteCartItem } = useCart()
+	const [checkedItems, setCheckedItems] = useState<number[]>([30])
+
+	const handleCheckItem = (id: number) => {
+		if (checkedItems.includes(id)) {
+			setCheckedItems(checkedItems.filter((item) => item !== id));
+		} else {
+			setCheckedItems([
+				...checkedItems,
+				id
+			])
+		}
+	}
+
+	const handleItemDelete = (id: number) => {
+		deleteCartItem(id)
+	}
+
+	return (
+		<>
+			<Title size="large">장바구니</Title>
+			<CartStyle>
+				<div className="content">
+				{
+					carts.map((item) => (
+						<CartItem
+						key={item.id}
+						cart={item}
+						checkedItems={checkedItems}
+						onCheck={handleCheckItem}
+						onDelete={handleItemDelete}
+						/>
+					))
+				}
+				</div>
+			</CartStyle>
+		</>
+	);
+}
+
+const CartStyle = styled.div``;
+
+export default Cart;

client/src/pages/ResetPassword.tsx

@@ -1,12 +1,12 @@
+import { useState } from 'react'
 import { useForm } from 'react-hook-form'
-import Title from "../components/common/Title"
-import { InputText } from "../components/common/InputText"
-import Button from "../components/common/Button"
 import { useNavigate } from "react-router-dom"
-import { resetPassword, resetRequest, signup } from '../api/auth.api'
+import { resetPassword, resetRequest } from '../api/auth.api'
+import Button from "../components/common/Button"
+import { InputText } from "../components/common/InputText"
+import Title from "../components/common/Title"
 import { useAlert } from '../hooks/useAlert'
 import { SingupStyle } from './Signup'
-import { useState } from 'react'
 
 export interface SignupProps {
   email: string;
@@ -16,15 +16,15 @@ export interface SignupProps {
 
 const ResetPassword = () => {
   const navigate = useNavigate();
-  const showAlert = useAlert();
+  const { showAlert } = useAlert();
   const [ resetRequested, setResetRequested ] = useState(false)
- 
-  const { 
-    register, 
-    handleSubmit, 
-    formState: { errors } 
+
+  const {
+    register,
+    handleSubmit,
+    formState: { errors }
   } = useForm<SignupProps>();
-  
+
   const onSubmit = (data: SignupProps) => {
     if(resetRequested) {
       resetPassword(data).then(() => {
@@ -44,17 +44,17 @@ const ResetPassword = () => {
       <SingupStyle>
         <form onSubmit={handleSubmit(onSubmit)}>
           <fieldset>
-            <InputText 
-              placeholder="이메일" 
+            <InputText
+              placeholder="이메일"
               inputType="email"
               {...register('email', { required: true })}
             />
             {errors.email && <p className='error-text'>이메일을 입력해주세요.</p>}
           </fieldset>
           {resetRequested && (
            <fieldset>
-             <InputText 
-               placeholder="패스워드" 
+             <InputText
+               placeholder="패스워드"
                inputType="password"
                {...register('password', { required: true })}
             />

client/src/pages/Signin.tsx

@@ -15,10 +15,10 @@ export interface SigninProps {
 
 const Signin = () => {
   const navigate = useNavigate();
-  const showAlert = useAlert();
+  const { showAlert } = useAlert();
   const { register, handleSubmit, formState: { errors } } = useForm<SigninProps>();
 
-  const { isLoggedIn: isloggedIn, storeLogin } = useAuthStore();
+  const { storeLogin } = useAuthStore();
 
   const onSubmit = (data: SigninProps) => {
     signin(data).then((res) => {

client/src/pages/Signup.tsx

@@ -1,10 +1,10 @@
 import { useForm } from 'react-hook-form'
-import styled from "styled-components"
-import Title from "../components/common/Title"
-import { InputText } from "../components/common/InputText"
-import Button from "../components/common/Button"
 import { Link, useNavigate } from "react-router-dom"
+import styled from "styled-components"
 import { signup } from '../api/auth.api'
+import Button from "../components/common/Button"
+import { InputText } from "../components/common/InputText"
+import Title from "../components/common/Title"
 import { useAlert } from '../hooks/useAlert'
 
 export interface SignupProps {
@@ -15,9 +15,9 @@ export interface SignupProps {
 
 const Signup = () => {
   const navigate = useNavigate();
-  const showAlert = useAlert();
+  const { showAlert } = useAlert();
   const { register, handleSubmit, formState: { errors } } = useForm<SignupProps>();
-  
+
   const onSubmit = (data: SignupProps) => {
     signup(data).then((res) => {
       showAlert('회원 가입이 완료되었습니다.')
@@ -31,24 +31,24 @@ const Signup = () => {
       <SingupStyle>
         <form onSubmit={handleSubmit(onSubmit)}>
           <fieldset>
-            <InputText 
-              placeholder="이메일" 
+            <InputText
+              placeholder="이메일"
               inputType="email"
               {...register('email', { required: true })}
             />
             {errors.email && <p className='error-text'>이메일을 입력해주세요.</p>}
           </fieldset>
           <fieldset>
-            <InputText 
-              placeholder="패스워드" 
+            <InputText
+              placeholder="패스워드"
               inputType="password"
               {...register('password', { required: true })}
             />
             {errors.password && <p className='error-text'>비밀번호를 입력해주세요.</p>}
           </fieldset>
           <fieldset>
-            <InputText 
-              placeholder="이름" 
+            <InputText
+              placeholder="이름"
               inputType="name"
               {...register('name', { required: true })}
             />