import { NextRequest, NextResponse } from 'next/server';
import { prisma } from '@/lib/db';
import { ORDER_STATUS } from '@/lib/constants';
import { getEnv } from '@/lib/config';
import { buildAlipayPaymentUrl } from '@/lib/alipay/provider';
import { deriveOrderState, getOrderDisplayState, type OrderStatusLike } from '@/lib/order/status';
import { buildOrderResultUrl } from '@/lib/order/status-access';
export const dynamic = 'force-dynamic';
const MOBILE_UA_PATTERN = /AlipayClient|Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini|Mobile/i;
const ALIPAY_APP_UA_PATTERN = /AlipayClient/i;
type ShortLinkOrderStatus = OrderStatusLike & { id: string };
function getUserAgent(request: NextRequest): string {
return request.headers.get('user-agent') || '';
}
function isMobileRequest(request: NextRequest): boolean {
return MOBILE_UA_PATTERN.test(getUserAgent(request));
}
function isAlipayAppRequest(request: NextRequest): boolean {
return ALIPAY_APP_UA_PATTERN.test(getUserAgent(request));
}
function escapeHtml(value: string): string {
return value
.replace(/&/g, '&')
.replace(//g, '>')
.replace(/"/g, '"')
.replace(/'/g, ''');
}
function buildAppUrl(pathname = '/'): string {
return new URL(pathname, getEnv().NEXT_PUBLIC_APP_URL).toString();
}
function buildResultUrl(orderId: string): string {
return buildOrderResultUrl(getEnv().NEXT_PUBLIC_APP_URL, orderId);
}
function serializeScriptString(value: string): string {
return JSON.stringify(value).replace(/
${escapeHtml(title)}
${headExtra}
${body}
`;
}
function renderErrorPage(title: string, message: string, orderId?: string, status = 400): NextResponse {
const html = renderHtml(
title,
`
!
${escapeHtml(title)}
${escapeHtml(message)}
${orderId ? `订单号：${escapeHtml(orderId)}
` : ''}
返回支付首页
`,
);
return new NextResponse(html, {
status,
headers: {
'Content-Type': 'text/html; charset=utf-8',
'Cache-Control': 'no-store, no-cache, must-revalidate',
},
});
}
function renderStatusPage(order: ShortLinkOrderStatus): NextResponse {
const display = getStatusDisplay(order);
const html = renderHtml(
display.label,
`
${escapeHtml(display.icon)}
${escapeHtml(display.label)}
${escapeHtml(display.message)}
订单号：${escapeHtml(order.id)}
查看订单结果
`,
);
return new NextResponse(html, {
headers: {
'Content-Type': 'text/html; charset=utf-8',
'Cache-Control': 'no-store, no-cache, must-revalidate',
},
});
}
function renderRedirectPage(orderId: string, payUrl: string): NextResponse {
const html = renderHtml(
'正在跳转支付宝',
`
支
正在拉起支付宝
请稍候，系统正在自动跳转到支付宝完成支付。
订单号：${escapeHtml(orderId)}
如未自动拉起支付宝，请返回原充值页后重新发起支付。
已支付？查看订单结果
`,
``,
);
return new NextResponse(html, {
headers: {
'Content-Type': 'text/html; charset=utf-8',
'Cache-Control': 'no-store, no-cache, must-revalidate',
},
});
}
export async function GET(request: NextRequest, { params }: { params: Promise<{ orderId: string }> }) {
const { orderId } = await params;
const order = await prisma.order.findUnique({
where: { id: orderId },
select: {
id: true,
amount: true,
payAmount: true,
paymentType: true,
status: true,
expiresAt: true,
paidAt: true,
completedAt: true,
},
});
if (!order) {
return renderErrorPage('订单不存在', '未找到对应订单，请确认二维码是否正确', orderId, 404);
}
if (order.paymentType !== 'alipay_direct') {
return renderErrorPage('支付方式不匹配', '该订单不是支付宝直连订单，无法通过当前链接支付', orderId, 400);
}
if (order.status !== ORDER_STATUS.PENDING) {
return renderStatusPage(order);
}
if (order.expiresAt.getTime() <= Date.now()) {
return renderStatusPage({
id: order.id,
status: ORDER_STATUS.EXPIRED,
paidAt: order.paidAt,
completedAt: order.completedAt,
});
}
const payAmount = Number(order.payAmount ?? order.amount);
if (!Number.isFinite(payAmount) || payAmount <= 0) {
return renderErrorPage('订单金额异常', '订单金额无效，请返回原页面重新发起支付', order.id, 500);
}
const env = getEnv();
const payUrl = buildAlipayPaymentUrl({
orderId: order.id,
amount: payAmount,
subject: `${env.PRODUCT_NAME} ${payAmount.toFixed(2)} CNY`,
notifyUrl: env.ALIPAY_NOTIFY_URL,
returnUrl: isAlipayAppRequest(request) ? null : buildResultUrl(order.id),
isMobile: isMobileRequest(request),
});
return renderRedirectPage(order.id, payUrl);
}