A function that takes the context, extracts the parameters, uses them to generate a token, and uses that token in building the JSON response.

getRtmToken+snippet.go

func getRtmToken(c *gin.Context) {
  log.Printf("rtm token\n")
  // get param values
  uidStr, expireTimestamp, err := parseRtmParams(c)

  if err != nil {
    c.Error(err)
    c.AbortWithStatusJSON(400, gin.H{
      "message": "Error Generating RTC token: " + err.Error(),
      "status":  400,
    })
    return
  }

  rtmToken, tokenErr := rtmtokenbuilder.BuildToken(appID, appCertificate, uidStr, rtmtokenbuilder.RoleRtmUser, expireTimestamp)

  if tokenErr != nil {
    log.Println(err) // token failed to generate
    c.Error(err)
    errMsg := "Error Generating RTM token: " + tokenErr.Error()
    c.AbortWithStatusJSON(400, gin.H{
      "error":  errMsg,
      "status": 400,
    })
  } else {
    log.Println("RTM Token generated")
    c.JSON(200, gin.H{
      "rtmToken": rtmToken,
    })
  }
}