fix/return data field in json error response (#25)

internal/proxy/proxy.go

@@ -115,11 +115,11 @@ func (m *Proxy) doRequest(c *fiber.Ctx, req *fasthttp.Request, rsp *fasthttp.Res
 }
 
 func (*Proxy) unmarshalApiResponse(c *fiber.Ctx, rsp *fasthttp.Response) (ok bool, e error) {
-	var apirsp *utils.ApiResponse
+	var apirsp *utils.ApiResponseWOData
 	if apirsp, e = utils.UnmarshalApiResponse(rsp.Body()); e != nil || apirsp == nil {
 		return
 	}
-	defer utils.ReleaseApiResponse(apirsp)
+	defer utils.ReleaseApiResponseWOData(apirsp)
 
 	if apirsp.Status && (apirsp.Error == nil || apirsp.Error.Code == 0) {
 		ok = true

internal/utils/apiv1_response.go

@@ -9,6 +9,11 @@ import (
 
 type (
 	ApiResponse struct {
+		Status bool
+		Data   interface{}
+		Error  *ApiError
+	}
+	ApiResponseWOData struct {
 		Status bool
 		Data   interface{} `json:"-"`
 		Error  *ApiError
@@ -20,6 +25,24 @@ type (
 	}
 )
 
+var apiResponseWODataPool = sync.Pool{
+	New: func() interface{} {
+		return &ApiResponseWOData{
+			Error: &ApiError{},
+		}
+	},
+}
+
+func AcquireApiResponseWOData() *ApiResponseWOData {
+	return apiResponseWODataPool.Get().(*ApiResponseWOData)
+}
+
+func ReleaseApiResponseWOData(ar *ApiResponseWOData) {
+	ar.Status = false
+	ar.Error.Code, ar.Error.Message, ar.Error.Description = 0, "", ""
+	apiResponseWODataPool.Put(ar)
+}
+
 var apiResponsePool = sync.Pool{
 	New: func() interface{} {
 		return &ApiResponse{
@@ -53,7 +76,7 @@ func RespondWithApiError(status int, msg, desc string, w io.Writer) (e error) {
 	return
 }
 
-func UnmarshalApiResponse(payload []byte) (_ *ApiResponse, e error) {
-	apirsp := AcquireApiResponse()
+func UnmarshalApiResponse(payload []byte) (_ *ApiResponseWOData, e error) {
+	apirsp := AcquireApiResponseWOData()
 	return apirsp, easyjson.Unmarshal(payload, apirsp)
 }