roadofcloud-playback-sdk/build/controllers/RecordController.js

CloudHubPlaybackSdk

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const global_1 = __importDefault(require("../global"));
const utils_1 = __importDefault(require("../helper/utils"));
const Logger_1 = __importDefault(require("../Logger"));
class RecordController {
    /**
     * 通过 url root path 进行初始化，Record 会分析并合理化 record.json 文件
     * @param filename
     */
    constructor(filename = 'record.json') {
        this.filename = filename;
        this.actions = [];
    }
    get fileUrl() {
        return global_1.default.config.recordRootUrl + '/' + this.filename;
    }
    init() {
        return new Promise((resolve, reject) => {
            fetch(this.fileUrl).then(response => {
                if (!response.ok || response.status !== 200) {
                    reject('record.json not found');
                }
                // 解析 json 文件
                response.json().then(data => {
                    // 进行时间排序
                    data.sort((prev, next) => {
                        return prev['ts'] - next['ts'];
                    });
                    // 整理好的数据进行赋值
                    this.actions = this.setStartToFirst(data);
                    // 返回结果
                    resolve(true);
                }).catch(error => {
                    reject('record.json not json');
                });
            }).catch(error => {
                reject(error);
            });
        });
    }
    //部分 record中 start 的时间戳并不是最早的 需要兼容
    setStartToFirst(data) {
        if (data[0].method === 'start')
            return data;
        const startIndex = data.findIndex((item) => item.method === 'start');
        const item = utils_1.default.deepCopy(data[startIndex]);
        // 修正时间，让 start 在第一
        item['ts'] = data[0].ts - 10;
        data.splice(startIndex, 1);
        data.unshift(item);
        return data;
    }
    //获取开始的时间戳
    getStartTime() {
        if (this.actions.length <= 0) {
            Logger_1.default.error('please run init first');
        }
        const startAction = this.actions.find((item) => item.method === 'start');
        if (startAction) {
            return this.getTs(startAction);
        }
    }
    //获取结束的时间戳
    getEndTime() {
        if (this.actions.length <= 0) {
            Logger_1.default.error('please run init first');
        }
        const endAction = this.actions.find((item) => item.method === 'close');
        if (endAction) {
            return this.getTs(endAction);
        }
    }
    //获取某次轮询的所有 action
    getActions(startIndex, timestamp) {
        let actions = [], index = startIndex, startTime = this.getTs(this.actions[index]);
        for (let i = startIndex; i < this.actions.length; i++) {
            const ts = this.getTs(this.actions[i]);
            if (startTime < ts && ts < timestamp) {
                actions.push(this.actions[i]);
                index = i;
            }
            else if (startTime !== ts) {
                break;
            }
        }
        return {
            index,
            actions
        };
    }
    //获取 action 的时间戳
    getTs(action) {
        return action.ts;
    }
}
exports.default = RecordController;