カートページの実装

frontend/app/components/books/BookCard.tsx

@@ -15,13 +15,23 @@ const BookCard = ({ book }: BookCardProps) => {
 	return (
 		<Card shadow="sm" radius="md" pb="xs" withBorder>
 			<Card.Section withBorder inheritPadding>
-				<BookCardHeader id={book.id} stock={book.stock} />
+				<BookCardHeader
+					id={book.id}
+					stock={book.stock}
+					thumbnail={book.thumbnail}
+				/>
 			</Card.Section>
 			<Card.Section withBorder inheritPadding py="xs">
 				<BookCardThumbnail id={book.id} thumbnail={book.thumbnail} />
 			</Card.Section>
 
-			{!!user && <BookCardFooter id={book.id} stock={book.stock} />}
+			{!!user && (
+				<BookCardFooter
+					id={book.id}
+					stock={book.stock}
+					thumbnail={book.thumbnail}
+				/>
+			)}
 		</Card>
 	);
 };

frontend/app/components/books/BookCardCartButton.tsx

@@ -2,16 +2,22 @@ import { Button } from '@mantine/core';
 import { useAtom } from 'jotai';
 import { BiSolidCartAdd } from 'react-icons/bi';
 import { cartAtom } from '~/stores/cartAtom';
+import { addBooksToCart } from '~/utils/cart';
 
 interface BookCardCartButtonProps {
 	id: number;
 	stock: number;
+	thumbnail?: string;
 }
 
-const BookCardCartButton = ({ id, stock }: BookCardCartButtonProps) => {
+const BookCardCartButton = ({
+	id,
+	stock,
+	thumbnail,
+}: BookCardCartButtonProps) => {
 	const [cart, setCart] = useAtom(cartAtom);
 	const addCart = () => {
-		setCart([...cart, { id, stock }]);
+		setCart(addBooksToCart(cart, [{ id, stock, thumbnail }]));
 	};
 	return (
 		<Button

frontend/app/components/books/BookCardFooter.tsx

@@ -4,12 +4,13 @@ import BookCardCartButton from './BookCardCartButton';
 interface BookCardFooterProps {
 	id: number;
 	stock: number;
+	thumbnail?: string;
 }
 
-const BookCardFooter = ({ id, stock }: BookCardFooterProps) => {
+const BookCardFooter = ({ id, stock, thumbnail }: BookCardFooterProps) => {
 	return (
 		<Center pt={10}>
-			<BookCardCartButton id={id} stock={stock} />
+			<BookCardCartButton id={id} stock={stock} thumbnail={thumbnail} />
 		</Center>
 	);
 };

frontend/app/components/books/BookCardHeader.tsx

@@ -1,29 +1,29 @@
 import { Checkbox, Group } from '@mantine/core';
 import { useAtom } from 'jotai';
-import { selectedBooksAtom } from '~/stores/bookAtom';
-import type { CartProps } from '~/stores/cartAtom';
+import { SelectedBookProps, selectedBooksAtom } from '~/stores/bookAtom';
 import { userAtom } from '~/stores/userAtom';
 import BookCardHeaderBadge from './BookCardHeaderBadge';
 
 interface BookCardHeaderProps {
 	id: number;
 	stock: number;
+	thumbnail?: string;
 }
 
-const BookCardHeader = ({ id, stock }: BookCardHeaderProps) => {
+const BookCardHeader = ({ id, stock, thumbnail }: BookCardHeaderProps) => {
 	const [selectedBook, setSelectedBook] = useAtom(selectedBooksAtom);
 	const [user] = useAtom(userAtom);
 	//  選択されている本のIDと表示する本のIDを比較する関数
-	const selectedCheck = (element: CartProps) => element.id === id;
+	const isSelected = (element: SelectedBookProps) => element.id === id;
 
-	const selectedBookAdd = () => {
+	const switchBookSelect = () => {
 		// チェックボックスの状態が変化した時に
-		if (selectedBook.some(selectedCheck)) {
+		if (selectedBook.some(isSelected)) {
 			// すでに選択されていた場合は選択を外す
 			setSelectedBook(selectedBook.filter((element) => element.id !== id));
 		} else {
 			// 選択されていなかった場合は選択する
-			setSelectedBook([...selectedBook, { id, stock }]);
+			setSelectedBook([...selectedBook, { id, stock, thumbnail }]);
 		}
 	};
 
@@ -32,8 +32,8 @@ const BookCardHeader = ({ id, stock }: BookCardHeaderProps) => {
 			{!!user && (
 				<Checkbox
 					value={id}
-					checked={selectedBook.some(selectedCheck)}
-					onChange={selectedBookAdd}
+					checked={selectedBook.some(isSelected)}
+					onChange={switchBookSelect}
 				/>
 			)}
 			<BookCardHeaderBadge stock={stock} />

frontend/app/components/books/BookCardThumbnail.tsx

@@ -1,5 +1,5 @@
 import { AspectRatio, Image, Overlay, rem } from '@mantine/core';
-import { useNavigate } from '@remix-run/react';
+import { useLocation, useNavigate } from '@remix-run/react';
 import NoImage from '~/img/noImage.png';
 
 interface BookCardThumbnailProps {
@@ -9,12 +9,19 @@ interface BookCardThumbnailProps {
 
 const BookCardThumbnail = ({ id, thumbnail }: BookCardThumbnailProps) => {
 	const navigate = useNavigate();
+	const location = useLocation();
+	const toNavigate = location.pathname.includes('global')
+		? location.pathname + `/books/${id}`
+		: `/home/books/${id}`;
 	return (
 		<AspectRatio
 			ratio={10 / 14}
-			style={{ flex: `0 0 ${rem(400)}`, cursor: id ? 'pointer' : undefined }}
+			style={{
+				flex: `0 0 ${rem(400)}`,
+				cursor: id ? 'pointer' : undefined,
+			}}
 			component="div"
-			onClick={() => id && navigate(`books/${id}`)}
+			onClick={() => id && navigate(toNavigate)}
 		>
 			<Image src={thumbnail ? thumbnail : NoImage} alt="Book cover" />
 			{!id && <Overlay color="gray" backgroundOpacity={0.5} />}

frontend/app/components/books/BookCards.tsx

@@ -27,6 +27,7 @@ const BookCards = ({ books }: BookCardsProps) => {
 						'1400px': 6,
 						'1700px': 7,
 					}}
+					// 画面幅が300pxを超えた場合、カードの間をxlにする
 					spacing={{ base: 10, '300px': 'xl' }}
 				>
 					{books.map((book) => (

frontend/app/components/books/BookSelectedDialog.tsx

@@ -3,6 +3,7 @@ import { useSubmit } from '@remix-run/react';
 import { useAtom } from 'jotai';
 import { selectedBooksAtom } from '~/stores/bookAtom';
 import { cartAtom } from '~/stores/cartAtom';
+import { addBooksToCart } from '~/utils/cart';
 import { successNotification } from '~/utils/notification';
 
 const BookSelectedDialog = () => {
@@ -29,7 +30,7 @@ const BookSelectedDialog = () => {
 					fz="xs"
 					color="yellow"
 					onClick={() => {
-						setCart([...cart, ...selectedBook]);
+						setCart(addBooksToCart(cart, selectedBook));
 						setSelectedBook([]);
 
 						successNotification('カートに追加しました');

frontend/app/components/cart/CartCard.tsx

@@ -0,0 +1,28 @@
+import { Card } from '@mantine/core';
+import { CartProps } from '~/stores/cartAtom';
+import BookCardThumbnail from '../books/BookCardThumbnail';
+import CartCardHeader from './CartCardHeader';
+
+interface CartCardProps {
+	book: CartProps;
+}
+
+const CartCard = ({ book }: CartCardProps) => {
+	return (
+		<Card shadow="sm" radius="md" pb="xs" withBorder>
+			<Card.Section withBorder inheritPadding>
+				<CartCardHeader
+					id={book.id}
+					stock={book.stock}
+					volume={book.volume}
+					thumbnail={book.thumbnail}
+				/>
+			</Card.Section>
+			<Card.Section withBorder inheritPadding py="xs">
+				<BookCardThumbnail id={book.id} thumbnail={book.thumbnail} />
+			</Card.Section>
+		</Card>
+	);
+};
+
+export default CartCard;

frontend/app/components/cart/CartCardHeader.tsx

@@ -0,0 +1,77 @@
+import { Checkbox, Group } from '@mantine/core';
+import { useAtom } from 'jotai';
+import { cartAtom, CartProps, selectedCartBooksAtom } from '~/stores/cartAtom';
+import CartCardNumberInput from './CartCardNumberInput';
+
+interface CartCardHeaderProps {
+	id: number;
+	stock: number;
+	volume: number;
+	thumbnail?: string;
+}
+
+const CartCardHeader = ({
+	id,
+	stock,
+	volume,
+	thumbnail,
+}: CartCardHeaderProps) => {
+	const [cart, setCart] = useAtom(cartAtom);
+	const [selectedCartBook, setSelectedCartBook] = useAtom(
+		selectedCartBooksAtom,
+	);
+
+	// 該当する本のvolumeを変更する
+	const handleChangeVolume = (id: number, value: number) => {
+		setCart(
+			cart.map((element) => {
+				if (element.id === id) {
+					return {
+						id: element.id,
+						stock: element.stock,
+						thumbnail: element.thumbnail,
+						volume: value,
+					};
+				}
+				return element;
+			}),
+		);
+	};
+
+	//  選択されている本のIDと表示する本のIDを比較する関数
+	const isSelected = (element: CartProps) => element.id === id;
+
+	const switchBookSelect = () => {
+		// チェックボックスの状態が変化した時に
+		if (selectedCartBook.some(isSelected)) {
+			// すでに選択されていた場合は選択を外す
+			setSelectedCartBook(
+				selectedCartBook.filter((element) => element.id !== id),
+			);
+		} else {
+			// 選択されていなかった場合は選択する
+			setSelectedCartBook([
+				...selectedCartBook,
+				{ id, stock, thumbnail, volume: 1 },
+			]);
+		}
+	};
+
+	return (
+		<Group justify="space-between" py={10}>
+			<Checkbox
+				value={id}
+				checked={selectedCartBook.some(isSelected)}
+				onChange={switchBookSelect}
+			/>
+			<CartCardNumberInput
+				id={id}
+				stock={stock}
+				volume={volume}
+				handleChangeVolume={handleChangeVolume}
+			/>
+		</Group>
+	);
+};
+
+export default CartCardHeader;

frontend/app/components/cart/CartCardNumberInput.tsx

@@ -0,0 +1,40 @@
+import { Group, Select, Text } from '@mantine/core';
+import { range } from '@mantine/hooks';
+
+interface CartCardHeaderBadgeProps {
+	id: number;
+	stock: number;
+	volume: number;
+	handleChangeVolume: (id: number, value: number) => void;
+}
+
+const CartCardNumberInput = ({
+	id,
+	stock,
+	volume,
+	handleChangeVolume,
+}: CartCardHeaderBadgeProps) => {
+	const stockList = range(0, stock);
+	const dataList = stock >= volume ? stockList : [...stockList, volume];
+	const strList = dataList.map((data) => data.toString());
+
+	const handleOnChange = (volume: string | null) => {
+		if (!volume) return;
+		const numVolume = Number(volume);
+		handleChangeVolume(id, numVolume);
+	};
+	return (
+		<Group justify="flex-end" w="70%">
+			<Text>冊数</Text>
+			<Select
+				w="50%"
+				data={strList}
+				value={String(volume)}
+				error={volume > stock}
+				onChange={(value) => handleOnChange(value)}
+			/>
+		</Group>
+	);
+};
+
+export default CartCardNumberInput;

frontend/app/components/cart/CartCards.tsx

@@ -0,0 +1,32 @@
+import { ScrollArea, SimpleGrid } from '@mantine/core';
+import { useAtom } from 'jotai';
+import { cartAtom } from '~/stores/cartAtom';
+import CartCard from './CartCard';
+
+const CartCards = () => {
+	const [cart] = useAtom(cartAtom);
+
+	return (
+		<ScrollArea h="70dh">
+			<SimpleGrid
+				type="container"
+				cols={{
+					base: 2,
+					'500px': 3,
+					'800px': 4,
+					'1100px': 5,
+					'1400px': 6,
+					'1700px': 7,
+				}}
+				// 画面幅が300pxを超えた場合、カードの間をxlにする
+				spacing={{ base: 10, '300px': 'xl' }}
+			>
+				{cart.map((book, index) => (
+					<CartCard key={index} book={book} />
+				))}
+			</SimpleGrid>
+		</ScrollArea>
+	);
+};
+
+export default CartCards;

frontend/app/components/cart/CartListComponent.tsx

@@ -0,0 +1,34 @@
+import { Stack } from '@mantine/core';
+import CartTitle from './CartTitle';
+import CartCards from './CartCards';
+import CartSelectedDialog from './CartSelectedDialog';
+import { useAtom } from 'jotai';
+import { cartAtom } from '~/stores/cartAtom';
+import NoCartComponent from './NoCartComponent';
+
+interface CartListComponentProps {
+	handleBorrowButtonClick: () => void;
+}
+
+const CartListComponent = ({
+	handleBorrowButtonClick,
+}: CartListComponentProps) => {
+	const [cart] = useAtom(cartAtom);
+	return (
+		<Stack bg="var(--mantine-color-body)" align="stretch" justify="flex-start">
+			<CartTitle />
+			{cart.length == 0 ? (
+				<NoCartComponent />
+			) : (
+				<>
+					<CartCards />
+					<CartSelectedDialog
+						handleBorrowButtonClick={handleBorrowButtonClick}
+					/>
+				</>
+			)}
+		</Stack>
+	);
+};
+
+export default CartListComponent;