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

getRtcToken+snippet.go

func getRtcToken(c *gin.Context) {
  log.Printf("rtc token\n")
  // get param values
  channelName, tokentype, uidStr, role, expireTimestamp, err := parseRtcParams(c)

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

  rtcToken, tokenErr := generateRtcToken(channelName, uidStr, tokentype, role, expireTimestamp)

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