feat: WIP

response.go

@@ -0,0 +1,52 @@
+package nats_transport
+
+import (
+	"bytes"
+	"errors"
+	"fmt"
+	"github.com/golang/protobuf/proto"
+	"io/ioutil"
+	"net/http"
+)
+
+// NewResponse creates blank initialized Response object.
+func NewResponse() *Response {
+	return &Response{
+		StatusCode: int32(200),
+		Header:     make(map[string]*Values, 0),
+		Body:       make([]byte, 0),
+	}
+}
+
+func (resp *Response) ReadFrom(responseData []byte) error {
+	if responseData == nil || len(responseData) == 0 {
+		return errors.New("response content is empty")
+	}
+	if err := proto.Unmarshal(responseData, resp); err != nil {
+		return err
+	}
+	return nil
+}
+
+func (resp *Response) ToHTTPResponse(r *http.Request) (*http.Response, error) {
+	httpResponse := http.Response{
+		Status:        fmt.Sprintf("%d %s", resp.StatusCode, http.StatusText(int(resp.StatusCode))),
+		StatusCode:    int(resp.StatusCode),
+		Proto:         "HTTP/1.1",
+		ProtoMajor:    1,
+		ProtoMinor:    1,
+		Body:          ioutil.NopCloser(bytes.NewBuffer(resp.Body)),
+		ContentLength: int64(len(resp.Body)),
+		Request:       r,
+		Header:        make(http.Header, 0),
+	}
+
+	// copy headers
+	for headerName, headerValues := range resp.Header {
+		for _, headerValue := range headerValues.Arr {
+			httpResponse.Header.Add(headerName, headerValue)
+		}
+	}
+
+	return &httpResponse, nil
+}