feat(http): Add Http Client Service Interface Function

- Add IsNetworkTimeout(error) bool

http/client.go

@@ -3,7 +3,8 @@ package http
 import (
 	"crypto/tls"
 	"time"
-	net "net/http"
+	"net"
+	http1 "net/http"
 
 	"github.com/parnurzeal/gorequest"
 )
@@ -19,8 +20,9 @@ const (
 )
 
 type HttpClientService interface {
-	Get(string, net.Header) ([]byte, error)
-	Post(string, interface{}, net.Header) ([]byte, error)
+	Get(string, http1.Header) ([]byte, error)
+	Post(string, interface{}, http1.Header) ([]byte, error)
+	IsNetworkTimeout(error) bool
 }
 
 type HttpClient struct {
@@ -52,7 +54,7 @@ func (c *HttpClient) RetryBad(retry int) *HttpClient {
 	return c
 }
 
-func (c *HttpClient) Get(url string, headers net.Header) ([]byte, error) {
+func (c *HttpClient) Get(url string, headers http1.Header) ([]byte, error) {
 	request := gorequest.New()
 	request.SetDebug(c.isDebuggable)
 	agent := request.Get(url)
@@ -63,7 +65,7 @@ func (c *HttpClient) Get(url string, headers net.Header) ([]byte, error) {
 
 	_, body, errs := agent.
 		Timeout(c.timeout).
-		Retry(c.retryBad, time.Second, net.StatusInternalServerError).
+		Retry(c.retryBad, time.Second, http1.StatusInternalServerError).
 		End()
 
 	if errs != nil {
@@ -73,7 +75,7 @@ func (c *HttpClient) Get(url string, headers net.Header) ([]byte, error) {
 	return []byte(body), nil
 }
 
-func (c *HttpClient) Post(url string, jsonData interface{}, headers net.Header) ([]byte, error) {
+func (c *HttpClient) Post(url string, jsonData interface{}, headers http1.Header) ([]byte, error) {
 	request := gorequest.New()
 	request.SetDebug(c.isDebuggable)
 
@@ -91,12 +93,20 @@ func (c *HttpClient) Post(url string, jsonData interface{}, headers net.Header)
 	_, body, errs := agent.
 		Send(jsonData).
 		Timeout(c.timeout).
-		Retry(c.retryBad, time.Second, net.StatusInternalServerError).
+		Retry(c.retryBad, time.Second, http1.StatusInternalServerError).
 		End()
 
 	if errs != nil {
 		return nil, errs[0]
 	}
 
 	return []byte(body), nil
+}
+
+func (c *HttpClient) IsNetworkTimeout(err error) bool {
+	if netErr, ok := err.(net.Error); ok && netErr.Timeout() {
+		return true
+	}
+
+	return false
 }

http/client_test.go

@@ -1,13 +1,19 @@
 package http
 
 import (
+	// "fmt"
 	"testing"
+	"time"
 
 	"github.com/mushoffa/go-library/http"
 )
 
+var (
+	client = http.NewHttpClient()
+)
+
 func TestHttpClientGet_Success(t *testing.T) {
-	client := http.NewHttpClient()
+	// client := http.NewHttpClient()
 	response, err := client.Get("http://www.google.com", nil)
 	if err != nil {
 		t.Errorf("Error on http client GET request: %v", err)
@@ -16,4 +22,15 @@ func TestHttpClientGet_Success(t *testing.T) {
 	if response == nil {
 		t.Errorf("Error on http client GET response")
 	}
+}
+
+func TestIsNetworkTimeout_Success(t *testing.T) {
+	client.Timeout(5 * time.Second)
+	_, err := client.Get("YOUT_TIMEOUT_API", nil)
+	if err != nil {
+		isTimeout := client.IsNetworkTimeout(err)
+		if !isTimeout {
+			t.Errorf("Supposed to be timeout")
+		}
+	}
 }