2025-05-22 20:42:10 +08:00

355 lines
13 KiB
TypeScript

"use client"
import type React from "react"
import { AdminNav } from "@/components/admin-nav"
import { ThemeToggle } from "@/components/theme-toggle"
import { Button } from "@/components/ui/button"
import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card"
import { Input } from "@/components/ui/input"
import {
Pagination,
PaginationContent,
PaginationItem,
PaginationLink,
PaginationNext,
PaginationPrevious,
} from "@/components/ui/pagination"
import { Table, TableBody, TableCell, TableHead, TableHeader, TableRow } from "@/components/ui/table"
import { useToast } from "@/components/ui/use-toast"
import { useAuth } from "@/context/auth-context"
import { BookOpen, Edit, Eye, Plus, Search, Trash2 } from "lucide-react"
import Link from "next/link"
import { useRouter } from "next/navigation"
import { useEffect, useState } from "react"
import { fetchWithAuth } from "@/lib/api"
interface Book {
bookId: number
title: string
isbn: string
price: number
stock: number
publishDate: string
publisherName: string
description: string
coverImage: string
author: string[]
}
interface BooksResponse {
pageNum: number
pageSize: number
total: number
data: Book[]
}
export default function AdminBooksPage() {
const { user } = useAuth()
const router = useRouter()
const { toast } = useToast()
const [books, setBooks] = useState<BooksResponse | null>(null)
const [loading, setLoading] = useState(true)
const [currentPage, setCurrentPage] = useState(1)
const [searchTerm, setSearchTerm] = useState("")
useEffect(() => {
// 检查用户是否登录且是管理员
if (!user) {
toast({
title: "请先登录",
description: "您需要登录后才能访问管理页面",
variant: "destructive",
})
router.push("/login")
return
}
if (!user.isAdmin) {
toast({
title: "权限不足",
description: "您没有管理员权限",
variant: "destructive",
})
router.push("/")
return
}
const fetchBooks = async () => {
setLoading(true)
try {
let url = `book/all?pageNum=${currentPage}&pageSize=10`
if (searchTerm) {
url = `book/search/title?title=${encodeURIComponent(searchTerm)}&pageNum=${currentPage}&pageSize=10`
}
const response = await fetchWithAuth(url)
const result = await response.json()
if (result.code === 0) {
setBooks(result.data)
} else {
toast({
variant: "destructive",
title: "获取图书失败",
description: result.msg || "无法获取图书信息",
})
}
} catch (error) {
toast({
variant: "destructive",
title: "获取图书失败",
description: "服务器连接错误,请稍后再试",
})
} finally {
setLoading(false)
}
}
fetchBooks()
}, [user, router, toast, currentPage, searchTerm])
const handlePageChange = (page: number) => {
setCurrentPage(page)
}
const handleSearch = (e: React.FormEvent) => {
e.preventDefault()
setCurrentPage(1)
}
const handleDeleteBook = async (bookId: number) => {
if (confirm("确定要删除这本图书吗?此操作不可撤销。")) {
try {
const response = await fetchWithAuth(`book/admin/delete/${bookId}`, {
method: "DELETE",
})
const result = await response.json()
if (result.code === 0) {
toast({
title: "删除成功",
description: "图书已成功删除",
})
// 刷新图书列表
if (books && books.data.length === 1 && currentPage > 1) {
setCurrentPage(currentPage - 1)
} else {
// 保持在当前页,但刷新数据
const updatedBooks = { ...books } as BooksResponse
updatedBooks.data = updatedBooks.data.filter((book) => book.bookId !== bookId)
updatedBooks.total -= 1
setBooks(updatedBooks)
}
} else {
toast({
variant: "destructive",
title: "删除失败",
description: result.msg || "无法删除图书",
})
}
} catch (error) {
toast({
variant: "destructive",
title: "删除失败",
description: "服务器连接错误,请稍后再试",
})
}
}
}
if (!user || !user.isAdmin) {
return null
}
return (
<div className="flex min-h-screen flex-col">
<header className="sticky top-0 z-50 w-full border-b bg-background/95 backdrop-blur supports-[backdrop-filter]:bg-background/60">
<div className="container flex h-16 items-center justify-between">
<div className="flex items-center gap-2 font-semibold">
<BookOpen className="h-6 w-6" />
<span> - </span>
</div>
<div className="flex items-center gap-4">
<ThemeToggle />
<Button variant="ghost" onClick={() => router.push("/")}>
</Button>
</div>
</div>
</header>
<div className="flex flex-1">
<AdminNav />
<main className="flex-1 p-6">
<div className="space-y-6">
<div className="flex justify-between items-center">
<h1 className="text-3xl font-bold"></h1>
<Link href="/admin/books/add">
<Button>
<Plus className="mr-2 h-4 w-4" />
</Button>
</Link>
</div>
<Card>
<CardHeader>
<CardTitle></CardTitle>
</CardHeader>
<CardContent>
<form onSubmit={handleSearch} className="flex w-full max-w-sm items-center space-x-2 mb-6">
<Input
type="search"
placeholder="搜索图书标题..."
value={searchTerm}
onChange={(e) => setSearchTerm(e.target.value)}
/>
<Button type="submit">
<Search className="h-4 w-4" />
</Button>
</form>
{loading ? (
<div className="flex justify-center items-center h-[400px]">
<div className="animate-pulse text-xl">...</div>
</div>
) : !books || books.data.length === 0 ? (
<div className="flex flex-col items-center justify-center py-12">
<BookOpen className="h-12 w-12 text-muted-foreground mb-4" />
<h2 className="text-xl font-semibold"></h2>
<p className="text-muted-foreground mt-2">
{searchTerm ? "尝试使用不同的搜索词" : "添加一些图书开始管理"}
</p>
{!searchTerm && (
<Link href="/admin/books/add">
<Button className="mt-4">
<Plus className="mr-2 h-4 w-4" />
</Button>
</Link>
)}
</div>
) : (
<>
<div className="rounded-md border">
<Table>
<TableHeader>
<TableRow>
<TableHead>ID</TableHead>
<TableHead></TableHead>
<TableHead>ISBN</TableHead>
<TableHead></TableHead>
<TableHead></TableHead>
<TableHead></TableHead>
<TableHead></TableHead>
</TableRow>
</TableHeader>
<TableBody>
{books.data.map((book) => (
<TableRow key={book.bookId}>
<TableCell>{book.bookId}</TableCell>
<TableCell className="font-medium">{book.title}</TableCell>
<TableCell>{book.isbn}</TableCell>
<TableCell>¥{book.price.toFixed(2)}</TableCell>
<TableCell>{book.stock}</TableCell>
<TableCell>{book.publisherName}</TableCell>
<TableCell>
<div className="flex space-x-2">
<Link href={`/books/${book.bookId}`}>
<Button variant="outline" size="icon" title="查看详情">
<Eye className="h-4 w-4" />
</Button>
</Link>
<Link href={`/admin/books/edit/${book.bookId}`}>
<Button variant="outline" size="icon" title="编辑图书">
<Edit className="h-4 w-4" />
</Button>
</Link>
<Button
variant="outline"
size="icon"
className="text-destructive"
title="删除图书"
onClick={() => handleDeleteBook(book.bookId)}
>
<Trash2 className="h-4 w-4" />
</Button>
</div>
</TableCell>
</TableRow>
))}
</TableBody>
</Table>
</div>
{books.total > books.pageSize && (
<Pagination className="mt-6">
<PaginationContent>
<PaginationItem>
<PaginationPrevious
href="#"
onClick={(e) => {
e.preventDefault()
if (currentPage > 1) handlePageChange(currentPage - 1)
}}
className={currentPage === 1 ? "pointer-events-none opacity-50" : ""}
/>
</PaginationItem>
{Array.from({ length: Math.min(5, Math.ceil(books.total / books.pageSize)) }).map(
(_, index) => {
let pageNumber = currentPage - 2 + index
if (pageNumber < 1) pageNumber = index + 1
if (pageNumber > Math.ceil(books.total / books.pageSize))
pageNumber = Math.ceil(books.total / books.pageSize) - (4 - index)
return (
<PaginationItem key={index}>
<PaginationLink
href="#"
onClick={(e) => {
e.preventDefault()
handlePageChange(pageNumber)
}}
isActive={currentPage === pageNumber}
>
{pageNumber}
</PaginationLink>
</PaginationItem>
)
},
)}
<PaginationItem>
<PaginationNext
href="#"
onClick={(e) => {
e.preventDefault()
if (currentPage < Math.ceil(books.total / books.pageSize)) {
handlePageChange(currentPage + 1)
}
}}
className={
currentPage >= Math.ceil(books.total / books.pageSize)
? "pointer-events-none opacity-50"
: ""
}
/>
</PaginationItem>
</PaginationContent>
</Pagination>
)}
</>
)}
</CardContent>
</Card>
</div>
</main>
</div>
</div>
)
}