reader/pages/reading/index.js

import {
    getreadInfo
} from '~/api/video'
import {
    publishWorks,
    uploadPk
} from '~/api/works'
import {
    createStoreBindings
} from 'mobx-miniprogram-bindings'
import {
    store
} from '~/store/index'
const aiengine = require('~/utils/ChivoxAiEngine')
const sha1 = require('~/utils/sha1');
// 文章行高
let rowH = 0
let videoContext = null
// 滚动变色定时器
let stl = null
// 倒计时
let setTimeoutObj = null
// 录音
let innerAudioContext = null
let resultAudioContext = null
/*创建基础引擎*/
let wsEngine = aiengine.createWsEngine({});
/*微信录音*/
let recorderManager = wx.getRecorderManager();
Page({
    data: {
        videoInfo: {},
        currentRow: null,
        state: false,
        countDown: {
            state: false,
            num: 3,
        },
        contentH: 0,
        scrollTop: 0,
        //如果readingReset为true就是重读
        readingReset: false,
        //readingType为public是普通阅读,为pk是pk逻辑，readMatch为朗读赛
        readingType: 'public',
        percent: 0,
        uploadState: false,
        article: []
    },
    onLoad(options) {
        let videoId = options.videoId
        this.getreadInfo(videoId, options.reset)
        console.log(options, 'options');
        this.setData({
            readingReset: options.reset || false,
            readingType: options.readingType || 'public'
        })
        // 手工绑定 
        this.storeBindings = createStoreBindings(this, {
            store,
            fields: {
                userInfo: 'userInfo',
                readDetail: 'readDetail',
                pkData: 'pkData'
            },
            actions: {
                setReadDetail: 'setReadDetail'
            }
        })

        // 录音授权
        wx.getSetting({
            success(res) {
                if (!res.authSetting['scope.record']) {
                    wx.authorize({
                        scope: 'scope.record',
                        success() {
                            // 用户已经同意小程序使用录音功能，后续调用接口不会弹窗询问
                            wx.getRecorderManager()
                        }
                    })
                }
            }
        })
        /*监听评测结果：必须在基础引擎创建后，调用任何评测接口前设置监听，否则有可能收不到相关事件。*/
        wsEngine.onResult((res) => {
            this.getRecordScore(res)
        });
        wsEngine.onErrorResult((res) => {
            console.log("===收到错误结果=============", res)
        });
    },
    // 获取阅读内容
    async getreadInfo(videoId, reset = false) {
        let videoInfo = await getreadInfo(videoId)
        wx.setNavigationBarTitle({
            title: videoInfo.userRead.title
        })
        let data = JSON.parse(videoInfo.userReadExtend.lessonText)
        data = data.map((item, index) => {
            item.time = Number(item.time)
            item.readTime = data[index + 1] ? data[index + 1].time - item.time : ''
            return item
        })

        this.setData({
            article: data,
            videoInfo
        })
        if (!reset) {
            this.getHeight()
        }
        if (!this.data.videoInfo.userReadExtend || this.data.videoInfo.userReadExtend.resourcesType == 0) {
            this.videoContext = wx.createVideoContext('myVideo')
        } else {
            this.innerAudioContext = wx.createInnerAudioContext();
            this.innerAudioContext.src = videoInfo.userRead.audioPath
            this.innerAudioContext.onEnded(res => {
                this.finishRecord()
            })
            this.innerAudioContext.onStop((res) => {
                this.finishRecord()
            });
        }

    },
    // 开始录制
    setCountDown() {
        let child = this.selectComponent('#readingTips').data
        // 判断是否有权限朗读 不是vip并且没有朗读机会
        const isVip = child.vipTime ? true : false
        if (!isVip && child.userInfo.experienceAmount == 0) {
            return this.selectComponent('#readingTips').showModal();
        }
        if (this.data.state) {
            this.finishRecord()
            return
        }
        if (this.data.readingReset) {
            this.clearReset()
            this.getHeight()
        }
        this.setData({
            'countDown.state': true
        })
        this.stl = setInterval(() => {
            if (this.data.countDown.num == 0) {
                clearInterval(this.stl)
                this.setData({
                    state: true,
                    countDown: {
                        state: false,
                        num: 3
                    }
                })
                this.soundRecording()
                this.playMediaState()
                this.startRecording()
            } else {
                this.setData({
                    'countDown.num': --this.data.countDown.num
                })
            }
        }, 1000)
    },
    // 录音
    soundRecording() {
        /*调用微信开始录音接口，并启动语音评测*/
        let timeStamp = new Date().getTime()
        let sig = sha1(`16075689600000da${timeStamp}caa8e60da6042731c230fe431ac9c7fd`)
        let app = {
            applicationId: '16075689600000da',
            sig, //签名字符串 
            alg: 'sha1',
            timestamp: timeStamp + '',
            userId: wx.getStorageSync('uid')
        }
        let lessonText = JSON.parse(this.data.videoInfo.userReadExtend.lessonText).map((item) => {
            return item.text
        }).join('\n')
        wsEngine.start({
            request: {
                coreType: "cn.pred.raw",
                refText: lessonText,
                rank: 100,
                attachAudioUrl: 1,
                result: {
                    details: {
                        gop_adjust: 1
                    }
                }
            },
            app,
            audio: {
                audioType: "mp3",
                channel: 1,
                sampleBytes: 2,
                sampleRate: 16000
            },
            success: (res) => {
                /*引擎启动成功，可以启动录音机开始录音，并将音频片传给引擎*/
                const options = {
                    sampleRate: 44100, //采样率
                    numberOfChannels: 1, //录音通道数
                    encodeBitRate: 192000, //编码码率
                    format: 'mp3', //音频格式，有效值aac/mp3
                    frameSize: 50 //指定帧大小，单位 KB
                };
                //开始录音,在开始录音回调中feed音频片
                recorderManager.start(options);
            },
            fail: (res) => {
                console.log("fail=============  " + res);
            },
        });
        //监听录音开始事件
        recorderManager.onStart(() => {});
        //监听录音结束事件
        recorderManager.onStop((res) => {
            console.log('录音结束', res);
            this.setData({
                tempFilePath: res.tempFilePath,
            });
            //录音机结束后，驰声引擎执行结束操作，等待评测返回结果
            wsEngine.stop({
                success: () => {
                    console.log('====== wsEngine stop success ======');
                },
                fail: (res) => {
                    console.log('录音结束报错', res);
                },
            });
        });
        //监听已录制完指定帧大小的文件事件。如果设置了 frameSize，则会回调此事件。
        recorderManager.onFrameRecorded((res) => {
            const {
                frameBuffer
            } = res
            //TODO 调用feed接口传递音频片给驰声评测引擎
            wsEngine.feed({
                data: frameBuffer, // frameBuffer为微信录音机回调的音频数据
                success: () => {
                    console.log('feed success.监听已录制完指定帧大小的文件事件')
                },
                fail: (res) => {
                    console.log('监听已录制完指定帧大小报错', res)
                },
            });
        });
    },
    // 结束录制
    finishRecord() {
        recorderManager.stop();
        this.stopMediaState()
        clearTimeout(this.setTimeoutObj)
        clearInterval(this.stl)
        this.setData({
            state: false,
            currentRow: null,
            scrollTop: 0
        })
    },
    // 获取测评结果
    getRecordScore(res) {
        console.log('获取评测结果');
        const result = res.result;
        const integrity = Math.floor(result.integrity); //完成度
        const tone = Math.floor(result.tone); // 语调声调
        const accuracy = Math.floor(result.overall); // 准确度 发音分
        const fluency = Math.floor(result.fluency.overall); //流利度
        let myOverall = Math.floor(integrity * 0.3 + accuracy * 0.5 + fluency * 0.1 + tone * 0.1);
        let detail = {
            integrity,
            tone,
            accuracy,
            fluency,
            myOverall,
            tempFilePath: this.data.tempFilePath,
            title: this.data.videoInfo.userRead.title,
            id: this.data.videoInfo.userRead.exampleId,
            coverImg: this.data.videoInfo.userRead.coverImg,
            originVideo: this.data.videoInfo.userRead.originVideo
        }
        this.setReadDetail(detail)
        if (this.data.readingType == 'public' || this.data.readingType == 'readMatch') {
            wx.redirectTo({
                url: `/pages/score/index?readingType=${this.data.readingType}`
            })
        } else {
            this.uploadAudio(detail)
        }
    },
    // 挑战录音上传
    uploadAudio(detail) {
        this.setData({
            uploadState: true
        })
        const uploadTask = wx.uploadFile({
            url: 'https://reader-api.ai160.com//file/upload',
            filePath: this.data.tempFilePath,
            name: '朗读录音',
            header: {
                uid: wx.getStorageSync('uid')
            },
            success: async (res) => {
                const formateRes = JSON.parse(res.data);
                let audioPath = formateRes.data;
                let uploadRes = await publishWorks({
                    exampleId: this.data.pkData.exampleId,
                    audioPath
                })
                console.log('uploadRes', uploadRes);
                /*  let winnerUId = this.data.pkData > detail.myOverall ? this.data.pkData.exampleId : this.data.pkData < detail.myOverall ? detail.id : '' */
                let data = {
                    challengerUserReadId: uploadRes.id,
                    userReadId: this.data.pkData.id,
                }
                await uploadPk(data)
                wx.redirectTo({
                    url: '/pages/pkResult/index'
                })
            },
            complete: () => {
                this.setData({
                    uploadState: false
                })
            }
        });
        uploadTask.onProgressUpdate((res) => {
            this.setData({
                percent: res.progress
            })
        })
    },
    // 测试的
    pkResult() {
        wx.redirectTo({
            url: `/pages/score/index?readingType=${this.data.readingType}`
        })
        /* wx.redirectTo({
          url: `/pages/pkResult/index`,
        }) */
    },
    // 字体换行
    startRecording() {
        if (this.data.currentRow == null) {
            this.setData({
                currentRow: 0
            })
        }
        let row = this.data.article[this.data.currentRow]
        if (!row.readTime) {
            return
        }
        this.setTimeoutObj = setTimeout(() => {
                this.setData({
                    currentRow: ++this.data.currentRow
                })
                this.setData({
                    scrollTop: this.rowH * this.data.currentRow
                })
                this.startRecording()
            },
            row.readTime);
    },
    // 视频播放结束
    videoEnd() {
        this.finishRecord()
    },
    videoPlay() {
        if (this.data.readingReset) {
            this.resultAudioContext = wx.createInnerAudioContext();
            this.resultAudioContext.src = this.data.readDetail.tempFilePath; // 这里可以是录音的临时路径
            this.resultAudioContext.play();
        }
    },
    // 清除试听状态
    clearReset() {
        if (this.resultAudioContext) {
            this.resultAudioContext.stop()
        }
        this.setData({
            readingReset: false
        })
    },
    // 控制视频或音频的播放状态
    playMediaState() {
        if (!this.data.videoInfo.userReadExtend || this.data.videoInfo.userReadExtend.resourcesType == 0) {
            this.videoContext.play()
        } else {
            this.innerAudioContext.play();
        }
    },
    // 控制视频或音频的暂停状态
    stopMediaState() {
        if (!this.data.videoInfo.userReadExtend || this.data.videoInfo.userReadExtend.resourcesType == 0) {
            this.videoContext.stop()
            this.videoContext.seek(0)
        } else {
            this.innerAudioContext.stop()
        }
    },
    // 获取设备高度与行高度
    getHeight() {
        var query = wx.createSelectorQuery();
        query.select('.content').boundingClientRect((rect) => {
            this.setData({
                contentH: rect.height
            })
        }).exec()
        query.select('.row').boundingClientRect((rect) => {
            this.rowH = rect.height
        }).exec()
    },
    /**
     * 生命周期函数--监听页面卸载
     */
    onUnload() {
        wsEngine.reset()
        recorderManager.stop();
        if (this.innerAudioContext) {
            this.innerAudioContext.stop()
        }
        clearTimeout(this.setTimeoutObj)
        clearInterval(this.stl)
    },
})