41 lines
1.9 KiB
JavaScript
41 lines
1.9 KiB
JavaScript
// Pure adapter: keeps merchant credentials and signing on the server.
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export function toSdkPayInfo(payment) {
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const data = payment?.douyin;
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if (!data) throw new Error('后端未返回抖音支付参数');
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if (data.type && data.type !== 'app') throw new Error('当前仅支持抖音 App 支付');
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let nested = data.orderInfo || {};
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if (typeof nested === 'string') {
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try { nested = JSON.parse(nested); }
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catch (_) { throw new Error('抖音支付 orderInfo 格式错误'); }
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}
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const field = (camel, lower) => nested[lower] ?? nested[camel] ?? data[camel] ?? data[lower];
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const info = {
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appid: field('appId', 'appid'),
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partnerid: field('mchId', 'partnerid'),
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prepayid: field('prepayId', 'prepayid'),
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package: field('packageValue', 'package'),
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noncestr: field('nonceStr', 'noncestr'),
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timestamp: field('timeStamp', 'timestamp'),
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sign: field('sign', 'sign')
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};
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if (typeof info.timestamp === 'number' && Number.isSafeInteger(info.timestamp)) info.timestamp = String(info.timestamp);
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for (const [key, value] of Object.entries(info)) {
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if (typeof value !== 'string' || !value.trim()) {
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throw new Error(`缺少支付参数 ${key}，请先部署后端 SDK 签名补丁`);
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}
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}
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if (info.package !== 'Sign=DYPay') throw new Error('抖音支付 package 不正确');
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return info;
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}
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// request is the App's existing authenticated request wrapper, returning ApiResult.data.
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export async function queryUntilSettled(request, orderNum, { attempts = 5, pause = 1500 } = {}) {
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for (let i = 0; i < attempts; i++) {
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const result = await request({ url: '/payment/queryResult', method: 'GET', data: { orderNum } });
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if (result?.state === 2) return { state: 'paid' };
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if (result?.state === 3) return { state: 'failed' };
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if (i + 1 < attempts) await new Promise(resolve => setTimeout(resolve, pause));
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}
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return { state: 'pending' };
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}
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