subject-two/entry/src/main/ets/common/utils/GetDistance.ts

import FileUtil from './File'
import {getCurrentTime} from './tools'

const LOGTAG = 'GetDistance'
export default class GetDistance {

  //后续文件路径待替换
  private fileUtil: FileUtil
  public folderPath: string
  public timeStr: string
  public totalDistance: number
  public date: string

  constructor(context) {
    const fileUtil = new FileUtil(context)
    this.fileUtil = fileUtil
  }

  // 设置文件夹
  public initFolder= async () => {
    const {fileUtil} = this
    const time = await getCurrentTime()
    const folderPath = await fileUtil.initFolder(`/车辆行驶距离统计`);
    console.info('surenjun folderPath=>' ,folderPath);
    const date = time.split(' ')[0].split('-').join('_')
    const timeStr = time.split(' ')[1]
    this.timeStr = timeStr
    this.folderPath = folderPath;
    this.totalDistance = 0;
    this.date = date;
    await fileUtil.editFile(
      `${folderPath}/${date}.txt`,`程序启动时间：${timeStr} 累计行驶距离:${this.totalDistance}m`
    );
    return folderPath
  }

  // 过程文件数据
  public setTimeData = async (str:number) => {
    const {fileUtil,folderPath,timeStr,date,totalDistance} = this;
    const content = await fileUtil.readFile(`${folderPath}/${date}.txt`) || '';
    console.info('surenjun',str)
    const contentArr = content.split('\n').filter(item => item)
    console.info('surenjun contentArr',JSON.stringify(contentArr))
    this.totalDistance += str * 1
    contentArr[contentArr.length - 1] = `程序启动时间：${timeStr} 累计行驶距离:${(this.totalDistance).toFixed(2)}m`+ '\n'
    console.info('surenjun',contentArr.join('\n'))
    await fileUtil.addFile(
      `${folderPath}/${date}.txt`,contentArr.join('\n')
    );
  }
}