A function that takes the context, extracts and returns the parameters.

parseRtmParams+snippet.go

func parseRtmParams(c *gin.Context) (uidStr string, expireTimestamp uint32, err error) {
  // get param values
  uidStr = c.Param("uid")
  expireTime := c.DefaultQuery("expiry", "3600")

  expireTime64, parseErr := strconv.ParseUint(expireTime, 10, 64)
  if parseErr != nil {
    // if string conversion fails return an error
    err = fmt.Errorf("failed to parse expireTime: %s, causing error: %s", expireTime, parseErr)
  }

  // set timestamps
  expireTimeInSeconds := uint32(expireTime64)
  currentTimestamp := uint32(time.Now().UTC().Unix())
  expireTimestamp = currentTimestamp + expireTimeInSeconds

  // check if string conversion fails
  return uidStr, expireTimestamp, err
}