133 lines
4.6 KiB
TypeScript
133 lines
4.6 KiB
TypeScript
/**
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* 支付对外的相关接口
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*
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*/
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import { EventTarget, game, Game } from "cc";
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import { PaymentApi } from "./PaymentApi";
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import { PaymentOpenerFactory, type OpenStrategy } from "./PaymentOpener";
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import PaymentPoller from "./PaymentPoller";
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import proto from 'db://assets/Scripts/proto/proto.pb.js';
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import { DataManager, DataId } from "db://assets/Scripts/chat18x/data/DataManager";
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import { OrderData } from "db://assets/Scripts/chat18x/data/OrderData";
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export const PaymentEvents = {
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Started: "pay-started", // { orderId }
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UrlOpened: "pay-url-opened",
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PollTick: "pay-poll-tick", // { orderId, status }
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Finished: "pay-finished",
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};
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export class PaymentService {
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private static _I: PaymentService | null = null;
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static get I() { return this._I ?? (this._I = new PaymentService()); }
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private constructor() {}
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private bus = new EventTarget();
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on(event: string, cb: (...args: any[]) => void, target?: any) {
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this.bus.on(event, cb, target);
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}
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off(event: string, cb: (...args: any[]) => void, target?: any) {
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this.bus.off(event, cb, target);
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}
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/** 发起支付：创建订单→打开URL→回到App后开始轮询 */
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async startPayment(req: proto.cs.ICSCreateOrderReq, open: OpenStrategy = "system"): Promise<proto.cs.ICSQueryOrderRes | null> {
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// 下单
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const create = await PaymentApi.I.createOrder(req);
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console.log("创建订单的响应数据：", create);
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if (create.code !== proto.cs.EnmRetCode.SUCCESS || !create.data) {
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return { status: -1, retCode: -1 };
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}
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const { orderId, payUrl } = create.data;
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this.bus.emit(PaymentEvents.Started, { orderId });
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// 保存订单数据
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const orderData = DataManager.I.getDataById<OrderData>(DataId.Order);
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orderData.saveOrderData(create.data);
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// 打开支付页
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await PaymentOpenerFactory.create(open).open(payUrl);
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this.bus.emit(PaymentEvents.UrlOpened, { orderId });
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// 等待回到前台（系统浏览器策略下）
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// - 如果是 inapp/minigame，可在 WebView/回跳时立即开始轮询；
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// - 这里给一个通用的“等待前台”方法（可用 Cocos 的 onShow/onHide 自行接入）
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await this.waitAppResumeIfNeeded(open);
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// 轮询
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const poller = new PaymentPoller();
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const data = await poller.poll(orderId, {
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maxDurationMs: 2 * 60 * 1000,
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startIntervalMs: 2000,
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maxIntervalMs: 10000,
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jitter: true,
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}, (d) => this.bus.emit(PaymentEvents.PollTick, { orderId, status: d.status }));
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// 刷新订单数据
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orderData.applyQueryOrder(orderId, data);
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// 返回结果
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this.bus.emit(PaymentEvents.Finished, data);
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return data;
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}
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/** App 回到前台后恢复未完成订单的轮询（在 onShow 时调用） */
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async resumePending(): Promise<void> {
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// 所有需要继续轮询查询的订单 id
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const orderData = DataManager.I.getDataById<OrderData>(DataId.Order);
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const idList = orderData.getAllShouldPollId();
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for (const o of idList) {
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// 轮询最新且未过期的订单
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const r = await this.startPollingOnly(o);
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if (r && r.status !== 1) {
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orderData.applyQueryOrder(o, r);
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this.bus.emit(PaymentEvents.Finished, r);
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}
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// r === null（轮询超时）时保留在仓库，等待下一次 resume 再查
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}
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}
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/** 仅轮询（用于 resumePending 或手动刷新） */
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private async startPollingOnly(orderId: string) {
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const poller = new PaymentPoller();
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return poller.poll(orderId, {
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maxDurationMs: 2 * 60 * 1000,
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startIntervalMs: 2000,
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maxIntervalMs: 8000,
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jitter: true,
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});
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}
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/** 等待“回到前台”的占位实现：实际请在 App 生命周期里调用 resumePending() */
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private waitAppResumeIfNeeded(open: OpenStrategy): Promise<void> {
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if (open !== "system") {
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// 内嵌 WebView / 小游戏平台通常可以在回调里直接开始轮询
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return Promise.resolve();
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}
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return new Promise<void>((resolve) => {
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let finished = false;
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const finish = () => {
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if (finished) return;
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finished = true;
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// 安全移除监听
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game.off(Game.EVENT_SHOW, onShow, this);
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resolve();
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};
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const onShow = () => {
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// 应用回到前台
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finish();
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};
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// 监听一次“回到前台”
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game.on(Game.EVENT_SHOW, onShow, this);
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// 兜底：某些环境（桌面浏览器）可能不会触发隐藏/显示事件，避免一直卡住
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const FALLBACK_MS = 15000; // 按需调整
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setTimeout(finish, FALLBACK_MS);
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});
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}
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}
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export default PaymentService;
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