new: support for passing order to elemental.Request

request.go

@@ -23,6 +23,7 @@ type Request struct {
 	Recursive            bool                       `json:"recursive"`
 	Operation            Operation                  `json:"operation"`
 	Identity             Identity                   `json:"identity"`
+	Order                []string                   `json:"order"`
 	ObjectID             string                     `json:"objectID"`
 	ParentIdentity       Identity                   `json:"parentIdentity"`
 	ParentID             string                     `json:"parentID"`
@@ -206,6 +207,7 @@ func NewRequestFromHTTPRequest(req *http.Request) (*Request, error) {
 		ExternalTrackingID:   req.Header.Get("X-External-Tracking-ID"),
 		ExternalTrackingType: req.Header.Get("X-External-Tracking-Type"),
 		wireContext:          wireContext,
+		Order:                req.URL.Query()["order"],
 	}, nil
 }
 
@@ -291,6 +293,7 @@ func (r *Request) Duplicate() *Request {
 	req.wireContext = r.wireContext
 	req.ExternalTrackingID = r.ExternalTrackingID
 	req.ExternalTrackingType = r.ExternalTrackingType
+	req.Order = append([]string{}, r.Order...)
 
 	for k, v := range r.Headers {
 		req.Headers[k] = v

request_test.go

@@ -285,13 +285,17 @@ func TestRequest_FromHttp(t *testing.T) {
 			Convey("Then the Data should be correct", func() {
 				So(string(r.Data), ShouldEqual, `{"name": "toto"}`)
 			})
+
+			Convey("Then the order should be nil", func() {
+				So(r.Order, ShouldBeNil)
+			})
 		})
 	})
 
 	Convey("Given I have a post http request on /lists", t, func() {
 
 		buffer := bytes.NewBuffer([]byte(`{"name": "toto"}`))
-		req, _ := http.NewRequest(http.MethodPost, "http://server/lists?p=v", buffer)
+		req, _ := http.NewRequest(http.MethodPost, "http://server/lists?p=v&order=name&order=toto", buffer)
 		req.Header.Add("X-Namespace", "ns")
 		req.Header.Add("Authorization", "user pass")
 
@@ -319,6 +323,10 @@ func TestRequest_FromHttp(t *testing.T) {
 				So(r.RequestID, ShouldNotBeEmpty)
 			})
 
+			Convey("Then the order should be correct", func() {
+				So(r.Order, ShouldResemble, []string{"name", "toto"})
+			})
+
 			Convey("Then the parameters should be correct", func() {
 				So(r.Parameters, ShouldResemble, req.URL.Query())
 			})
@@ -722,6 +730,7 @@ func TestRequest_Duplicate(t *testing.T) {
 		req.Recursive = true
 		req.Username = "user"
 		req.Version = 12
+		req.Order = []string{"key1", "key2"}
 
 		Convey("When I use Duplicate()", func() {
 
@@ -745,6 +754,7 @@ func TestRequest_Duplicate(t *testing.T) {
 				So(req2.RequestID, ShouldNotEqual, req.RequestID)
 				So(req2.RequestID, ShouldNotEqual, req.RequestID)
 				So(req2.Version, ShouldEqual, req.Version)
+				So(req2.Order, ShouldResemble, req.Order)
 			})
 		})
 	})