function getCache(key, hour = 4) {
  let k = 'chche:' + key
  let ct = Date.parse(new Date()) / 1000;
  let ca = my.getStorageSync({ 'key': k }).data
  if (ca) {
    if ((ct - ca.time) < (hour * 60 * 60)) {
      return ca.value
    }
    return false
  }
  return false
}

function setCache(key, data = {}, hour = 4) {
  let k = 'chche:' + key
  let ct = Date.parse(new Date()) / 1000;
  my.setStorageSync({ 'key': k, 'data': { 'time': ct, 'value': data } })
}

const CacheKeys = {
  '': ""
}

module.exports = {
  getCache: getCache,
  setCache: setCache,
  CacheKeys: CacheKeys
}