codimd/lib/realtimeSaveRevisionJob.js

'use strict'

const models = require('./models')
const logger = require('./logger')

/**
 * clean when user not in any rooms or user not in connected list
 */
class SaveRevisionJob {
  constructor (realtime) {
    this.realtime = realtime
    this.saverSleep = false
  }

  start () {
    if (this.timer) return
    this.timer = setInterval(this.saveRevision.bind(this), 5 * 60 * 1000)
  }

  stop () {
    if (!this.timer) return
    clearInterval(this.timer)
    this.timer = undefined
  }

  saveRevision () {
    if (this.getSaverSleep()) return
    models.Revision.saveAllNotesRevision((err, notes) => {
      if (err) return logger.error('revision saver failed: ' + err)
      if (notes && notes.length <= 0) {
        this.setSaverSleep(true)
      }
    })
  }

  getSaverSleep () {
    return this.saverSleep
  }

  setSaverSleep (val) {
    this.saverSleep = val
  }
}

exports.SaveRevisionJob = SaveRevisionJob