fix: return error nil get response restrict user

request.go

@@ -3,6 +3,7 @@ package goinsta
 import (
 	"bytes"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"io/ioutil"
 	"math/rand"
@@ -115,7 +116,10 @@ func (insta *Instagram) sendRequest(o *reqOptions) (body []byte, err error) {
 	body, err = ioutil.ReadAll(resp.Body)
 	if err == nil {
 		err = isError(resp.StatusCode, body)
+	} else if resp.StatusCode == http.StatusBadRequest {
+		err = isError(resp.StatusCode, body)
 	}
+
 	return body, err
 }
 
@@ -136,6 +140,8 @@ func isError(code int, body []byte) (err error) {
 		if ierr.Message == "challenge_required" {
 			return ierr.ChallengeError
 
+		} else if ierr.Message == "feedback_required" {
+			return errors.New("fail: " + ierr.FeedbackMessage)
 		}
 
 		if err == nil && ierr.Message != "" {

types.go

@@ -52,9 +52,10 @@ func (e ErrorN) Error() string {
 // Error400 is error returned by HTTP 400 status code.
 type Error400 struct {
 	ChallengeError
-	Action     string `json:"action"`
-	StatusCode string `json:"status_code"`
-	Payload    struct {
+	FeedbackMessage string `json:"feedback_message"`
+	Action          string `json:"action"`
+	StatusCode      string `json:"status_code"`
+	Payload         struct {
 		ClientContext string `json:"client_context"`
 		Message       string `json:"message"`
 	} `json:"payload"`