feat: simplify httpc (#1748)

* feat: simplify httpc

* chore: fix lint errors

* chore: fix log url issue

* chore: fix log url issue

* refactor: handle resp & err in ResponseHandler

* chore: remove unnecessary var names in return clause

rest/httpc/internal/interceptor.go

@@ -4,5 +4,5 @@ import "net/http"
 
 type (
 	Interceptor     func(r *http.Request) (*http.Request, ResponseHandler)
-	ResponseHandler func(*http.Response)
+	ResponseHandler func(resp *http.Response, err error)
 )

rest/httpc/internal/loginterceptor.go

@@ -10,15 +10,21 @@ import (
 
 func LogInterceptor(r *http.Request) (*http.Request, ResponseHandler) {
 	start := timex.Now()
-	return r, func(resp *http.Response) {
+	return r, func(resp *http.Response, err error) {
 		duration := timex.Since(start)
+		if err != nil {
+			logger := logx.WithContext(r.Context()).WithDuration(duration)
+			logger.Errorf("[HTTP] %s %s - %v", r.Method, r.URL, err)
+			return
+		}
+
 		var tc propagation.TraceContext
 		ctx := tc.Extract(r.Context(), propagation.HeaderCarrier(resp.Header))
 		logger := logx.WithContext(ctx).WithDuration(duration)
 		if isOkResponse(resp.StatusCode) {
-			logger.Infof("[HTTP] %d - %s %s/%s", resp.StatusCode, r.Method, r.Host, r.RequestURI)
+			logger.Infof("[HTTP] %d - %s %s", resp.StatusCode, r.Method, r.URL)
 		} else {
-			logger.Errorf("[HTTP] %d - %s %s/%s", resp.StatusCode, r.Method, r.Host, r.RequestURI)
+			logger.Errorf("[HTTP] %d - %s %s", resp.StatusCode, r.Method, r.URL)
 		}
 	}
 }

rest/httpc/internal/loginterceptor_test.go

@@ -16,8 +16,8 @@ func TestLogInterceptor(t *testing.T) {
 	assert.Nil(t, err)
 	req, handler := LogInterceptor(req)
 	resp, err := http.DefaultClient.Do(req)
+	handler(resp, err)
 	assert.Nil(t, err)
-	handler(resp)
 	assert.Equal(t, http.StatusOK, resp.StatusCode)
 }
 
@@ -30,7 +30,22 @@ func TestLogInterceptorServerError(t *testing.T) {
 	assert.Nil(t, err)
 	req, handler := LogInterceptor(req)
 	resp, err := http.DefaultClient.Do(req)
+	handler(resp, err)
 	assert.Nil(t, err)
-	handler(resp)
 	assert.Equal(t, http.StatusInternalServerError, resp.StatusCode)
 }
+
+func TestLogInterceptorServerClosed(t *testing.T) {
+	svr := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(http.StatusInternalServerError)
+	}))
+	defer svr.Close()
+	req, err := http.NewRequest(http.MethodGet, svr.URL, nil)
+	assert.Nil(t, err)
+	svr.Close()
+	req, handler := LogInterceptor(req)
+	resp, err := http.DefaultClient.Do(req)
+	handler(resp, err)
+	assert.NotNil(t, err)
+	assert.Nil(t, resp)
+}