420 lines
13 KiB
TypeScript
420 lines
13 KiB
TypeScript
// pages/video/video.ts
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import UrlParamsHandler from "../../../utils/store";
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import { htmlToWxNodes } from "../../../utils/html-to-wx-nodes";
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import { request } from "../../../utils/request";
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import { AES_IV, AES_KEY, appId } from "../../../env";
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import { receiveRedPacket } from "../../../utils/util";
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import { aesEncrypt } from "../../../utils/crypto";
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const isMobileEnvironment = (): boolean => {
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const platform = wx.getSystemInfoSync().platform?.toLowerCase() || '';
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return platform !== 'windows' && platform !== 'mac';
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};
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Page({
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// 页面私有变量，避免触发无效渲染
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_wasPlayingBeforeInterrupt: false,
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_pauseVideoHandler: null as any,
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_resumeVideoHandler: null as any,
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_appHideHandler: null as any,
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_appShowHandler: null as any,
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_networkStatusChangeHandler: null as any,
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_videoContext: null as any,
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data: {
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dataList: {} as any,
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nodes: [] as any[],
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eveId: null,
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store: {},
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fileid: "",
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active: 0,
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canSubmit: false,
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safeBottom: 24,
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resumeTime: 0,
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playing: false,
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currentTime: 0,
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sendDurationTimer: 0,
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isAppHidden: false,
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},
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async onLoad(options: any) {
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const app = getApp<IAppOption>();
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wx.hideShareMenu({ menus: ["shareAppMessage"] });
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new UrlParamsHandler(options);
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app.globalData.store = options;
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// 适配底部安全区
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let safeBottom = 24;
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try {
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//@ts-ignore
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const { windowHeight, safeArea } = wx.getWindowInfo ? wx.getWindowInfo() : wx.getSystemInfoSync();
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safeBottom = safeArea ? Math.abs(windowHeight - safeArea.bottom) + 10 : 24;
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} catch (e) { }
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this.setData({ safeBottom, store: options });
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this.initSystemListeners();
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if (!isMobileEnvironment()) {
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return this.handleEnterError("当前环境不支持观看，请使用手机观看。", "环境不支持");
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}
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if (!(await app.login("video"))) return;
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//@ts-ignore 开启防截屏
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if (wx.setVisualEffectOnCapture) wx.setVisualEffectOnCapture({ visualEffect: 'hidden' });
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},
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onShow() {
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this.search();
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},
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onHide() {
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//@ts-ignore
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if (wx.setVisualEffectOnCapture) wx.setVisualEffectOnCapture({ visualEffect: 'none' });
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this.flushProgress();
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},
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onUnload() {
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//@ts-ignore
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if (wx.setVisualEffectOnCapture) wx.setVisualEffectOnCapture({ visualEffect: 'none' });
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this.flushProgress();
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try { this.pauseVideoBeforeNavigate(); } catch (err) { }
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// 卸载事件与定时器
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if (this._pauseVideoHandler) wx.offAudioInterruptionBegin(this._pauseVideoHandler);
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if (this._resumeVideoHandler) wx.offAudioInterruptionEnd(this._resumeVideoHandler);
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if (this._appHideHandler) wx.offAppHide(this._appHideHandler);
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if (this._appShowHandler) wx.offAppShow(this._appShowHandler);
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if (this._networkStatusChangeHandler) wx.offNetworkStatusChange(this._networkStatusChangeHandler);
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this.clearSendProgressTimer();
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},
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onChange(event: any) {
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this.setData({ active: event.detail.index });
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},
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initSystemListeners() {
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this._networkStatusChangeHandler = (res: any) => {
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if (!res.isConnected) {
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wx.showToast({ title: '网络连接断开', icon: 'none' });
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this.pauseVideoBeforeNavigate();
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} else if (res.networkType !== 'wifi') {
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wx.showToast({ title: '当前为非Wi-Fi环境，请注意流量消耗', icon: 'none' });
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}
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};
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wx.onNetworkStatusChange(this._networkStatusChangeHandler);
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this._pauseVideoHandler = () => {
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this.flushProgress();
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this._wasPlayingBeforeInterrupt = this.data.playing;
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this.pauseVideoBeforeNavigate();
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};
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this._resumeVideoHandler = () => {
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if (this._wasPlayingBeforeInterrupt && !this.data.isAppHidden) {
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this.resumeVideoAfterInterrupt();
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}
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this._wasPlayingBeforeInterrupt = false;
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};
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this._appHideHandler = () => {
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this.flushProgress();
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this.setData({ isAppHidden: true });
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this.pauseVideoBeforeNavigate();
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};
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this._appShowHandler = () => {
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this.setData({ isAppHidden: false });
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};
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wx.onAudioInterruptionBegin(this._pauseVideoHandler);
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wx.onAudioInterruptionEnd(this._resumeVideoHandler);
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wx.onAppHide(this._appHideHandler);
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wx.onAppShow(this._appShowHandler);
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},
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getVideoContext() {
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if (!this._videoContext) {
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this._videoContext = wx.createVideoContext("myPlayerId", this);
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}
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return this._videoContext;
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},
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pauseVideoBeforeNavigate() {
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this.getVideoContext().pause();
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},
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resumeVideoAfterInterrupt() {
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this.getVideoContext().play();
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},
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// 统一进度落盘（极简版，直接信任内存里的 currentTime）
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flushProgress() {
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const t = this.data.currentTime;
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if (t > 0) {
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wx.setStorageSync("interruptedTime", t);
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wx.setStorageSync("currentTime", t);
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}
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},
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getResumeTime(): number {
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if (wx.getStorageSync("ended")) return 0;
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const interrupted = Number(wx.getStorageSync("interruptedTime") || 0);
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const current = Number(wx.getStorageSync("currentTime") || 0);
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return Math.max(interrupted, current);
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},
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onPlayerPlay() {
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this.setData({ playing: true });
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// 异步拉取到 fileid 后，初次播放如果存在历史记录，则跳转
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if (this.data.resumeTime > 0) {
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this.getVideoContext().seek(this.data.resumeTime);
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this.setData({ resumeTime: 0 }); // 跳转完立即清空，防止二次跳转
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}
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this.startSendProgress();
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},
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onPlayerPause() {
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this.setData({ playing: false });
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this.clearSendProgressTimer();
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this.flushProgress();
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},
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onPlayerEnded() {
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this.setData({ playing: false, resumeTime: 0, currentTime: 0 });
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wx.setStorageSync("ended", true);
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this.clearSendProgressTimer();
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wx.removeStorageSync("interruptedTime");
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wx.removeStorageSync("currentTime");
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},
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onPlayerError(e: any) {
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const detail = e?.detail || e || {};
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wx.showModal({
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title: "播放出错",
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content: String(detail.errMsg || detail.message || JSON.stringify(detail) + '，请联系客服'),
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showCancel: false,
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});
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},
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onPlayerTimeUpdate(e: any) {
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let time = e.detail?.currentTime ?? e.detail?.detail?.currentTime;
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if (typeof time === 'number' && time > 0) {
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const currentTime = Math.floor(time);
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if (currentTime === this.data.currentTime) return; // 避免重复操作
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this.data.currentTime = currentTime;
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// 逢 5 秒落盘一次
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if (currentTime % 5 === 0) this.flushProgress();
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}
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},
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startSendProgress() {
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this.clearSendProgressTimer();
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this.sendProgress(); // 启动时先发一次
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const timer = setInterval(() => this.sendProgress(), 15000) as unknown as number;
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this.setData({ sendDurationTimer: timer });
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},
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clearSendProgressTimer() {
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if (this.data.sendDurationTimer) {
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clearInterval(this.data.sendDurationTimer);
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this.setData({ sendDurationTimer: 0 });
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}
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},
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async sendProgress() {
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if (!this.data.playing) return;
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try {
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const code = wx.getStorageSync("code");
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const openId = wx.getStorageSync("openId");
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const duration = this.data.currentTime + 1; // 时长兜底补偿
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const params = code
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? { openId, code, duration }
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: { openId, state: wx.getStorageSync("state"), seeId: wx.getStorageSync("seeId"), duration };
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await request({
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options: {
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url: code ? `/app/video-watch/inspect` : `/app/watch/inspect`,
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data: aesEncrypt(JSON.stringify(params), AES_KEY, AES_IV),
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},
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isLoading: false,
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});
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} catch (err) {
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console.error("上报观看进度失败:", err);
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}
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},
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async search() {
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const app = getApp<IAppOption>();
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if (!(await app.checkLoginState())) return;
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const code = wx.getStorageSync("code");
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const params = { openId: wx.getStorageSync("openId"), ...app.globalData.store };
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const data = await request({
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options: {
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url: code ? `/app/video-watch/details` : `/app/watch/details`,
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method: code ? "GET" : "POST",
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data: params
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},
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});
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const targetData = code ? data.watch : data.data;
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if (!targetData?.extend?.fileid) {
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const stateParam = code ? -1 : 5;
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return wx.reLaunch({
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url: `/pages/live/registration/registration?content=${targetData?.content || ''}&state=${stateParam}`,
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});
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}
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this.setData({
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dataList: targetData,
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eveId: targetData.eveId,
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nodes: htmlToWxNodes(targetData.content),
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fileid: targetData.extend.fileid,
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resumeTime: this.getResumeTime(), // 获取到真实视频时，一次性读取恢复点
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});
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this.selectComponent("#tabs")?.resize();
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},
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onAnswerChange() {
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const quizComponent = this.selectComponent("#quizComponent");
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if (quizComponent) {
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this.setData({ canSubmit: quizComponent.isAllAnswered() });
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}
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},
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handleSubmit() {
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if (!wx.getStorageSync("ended")) {
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return wx.showModal({ title: "提示", content: "请先观看完整视频，再参与答题", showCancel: false, confirmColor: "#FF0000" });
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}
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if (this.data.dataList?.userAnsNum >= this.data.dataList?.answerMax) {
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return wx.showToast({ title: "答题次数已用完", icon: "none", duration: 3000 });
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}
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const quizComponent = this.selectComponent("#quizComponent");
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if (!quizComponent) return wx.showToast({ title: "组件加载失败", icon: "none" });
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if (!quizComponent.isAllAnswered()) {
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const { answered, total } = quizComponent.getProgress();
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return wx.showModal({
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title: "答题未完成",
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content: `您已完成 ${answered}/${total} 题，请完成所有题目后再提交。`,
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showCancel: false,
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});
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}
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const answers = quizComponent.getAllAnswers();
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if (!answers?.length) return wx.showToast({ title: "请先完成答题", icon: "none" });
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wx.showModal({
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title: "确认提交",
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content: `您已完成 ${answers.length} 道题目，确定要提交答案吗？`,
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success: (res) => { if (res.confirm) this.submitAnswers(answers); },
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});
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},
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async submitAnswers(answers: any[]) {
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const code = wx.getStorageSync("code");
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const params = {
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answers,
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openId: wx.getStorageSync("openId"),
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eveId: this.data.eveId,
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...this.data.store,
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};
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wx.showLoading({ title: "提交中..." });
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const url = code ? "/app/video-watch/interactive" : "/app/watch/interactive";
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const res = await request({ options: { url, data: params } });
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wx.hideLoading();
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if (res.code !== 200) {
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return wx.showToast({ title: res.msg || "提交失败", icon: "none", duration: 2000 });
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}
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const { pass, redPackage } = res.data || {};
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if (pass) {
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wx.showModal({
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content: "🎉 回答正确，领取红包！",
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showCancel: false,
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confirmText: "立即领取",
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confirmColor: "#FF0000",
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success: async (res) => {
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if (!res.confirm) return;
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if (redPackage?.packageInfo) {
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this.transferRedPacket(redPackage);
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} else if (redPackage?.redId) {
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await this.handleReceive(redPackage.redId);
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}
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},
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});
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} else {
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wx.showToast({ title: "回答错误，与红包擦肩而过", icon: "none", duration: 3000 });
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}
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},
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async transferRedPacket(redPackage: any) {
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wx.showLoading({ title: "领取中", mask: true });
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if (!wx.canIUse?.("requestMerchantTransfer")) {
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wx.hideLoading();
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return wx.showModal({ content: "你的微信版本过低，请更新至最新版本。", showCancel: false });
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}
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try {
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await new Promise<void>((resolve, reject) => {
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//@ts-ignore
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wx.requestMerchantTransfer({
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mchId: redPackage.mchId,
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appId,
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package: redPackage.packageInfo,
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success: () => resolve(),
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fail: (err: any) => reject(new Error(err?.errMsg || "领取失败")),
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});
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});
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wx.hideLoading();
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wx.showToast({ title: "领取成功", icon: "success" });
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} catch (err: any) {
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wx.hideLoading();
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wx.showToast({ title: err?.message || "领取失败", icon: "none" });
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}
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},
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async handleReceive(id: any) {
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try {
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wx.showLoading({ title: "领取中" });
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await receiveRedPacket(
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{ appId, code: wx.getStorageSync("code"), openId: wx.getStorageSync("openId"), redId: id },
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'/app/general/receive-red',
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appId
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);
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wx.hideLoading();
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} catch (err) {
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wx.hideLoading();
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}
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},
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handleEnterError(message: string, title = "无法进入") {
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wx.showModal({ title, content: message, showCancel: false });
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},
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handleBack() {
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wx.switchTab({ url: "/pages/tab-bar/course/course" });
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},
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handleCustomReport() {
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this.pauseVideoBeforeNavigate();
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wx.navigateTo({ url: `/pages/live/report/report` });
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},
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handleViewHitory() {
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this.pauseVideoBeforeNavigate();
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wx.navigateTo({ url: `/pages/live/red-history/red-history` });
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}
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}); |