Externalize response error

examples/mp_error_parse/main.go

@@ -0,0 +1,37 @@
+package main
+
+import (
+	"context"
+	"errors"
+	"fmt"
+
+	"github.com/mercadopago/sdk-go/pkg/config"
+	"github.com/mercadopago/sdk-go/pkg/mperror"
+	"github.com/mercadopago/sdk-go/pkg/payment"
+)
+
+func main() {
+	accessToken := "{{ACCESS_TOKEN}}"
+
+	cfg, err := config.New(accessToken)
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+
+	invalidRequest := payment.Request{}
+
+	client := payment.NewClient(cfg)
+	payment, err := client.Create(context.Background(), invalidRequest)
+	if err != nil {
+		var mpErr *mperror.ResponseError
+		if errors.As(err, &mpErr) {
+			fmt.Printf("\nheaders: %s\nmessage: %s\nstatus code: %d", mpErr.Headers, mpErr.Message, mpErr.StatusCode)
+			return
+		}
+		fmt.Println(err)
+		return
+	}
+
+	fmt.Println(payment)
+}

pkg/internal/httpclient/gateway.go

@@ -5,6 +5,7 @@ import (
 	"io"
 	"net/http"
 
+	"github.com/mercadopago/sdk-go/pkg/mperror"
 	"github.com/mercadopago/sdk-go/pkg/requester"
 )
 
@@ -18,15 +19,15 @@ func Send(requester requester.Requester, req *http.Request) ([]byte, error) {
 
 	response, err := io.ReadAll(result.Body)
 	if err != nil {
-		return nil, &ResponseError{
+		return nil, &mperror.ResponseError{
 			StatusCode: result.StatusCode,
 			Message:    "error reading response body: " + err.Error(),
 			Headers:    result.Header,
 		}
 	}
 
 	if result.StatusCode > 399 {
-		return nil, &ResponseError{
+		return nil, &mperror.ResponseError{
 			StatusCode: result.StatusCode,
 			Message:    string(response),
 			Headers:    result.Header,

pkg/internal/httpclient/error.go → pkg/mperror/mp_error.go

@@ -1,4 +1,4 @@
-package httpclient
+package mperror
 
 import "net/http"