Added Remember-Token to Authenticate

Renamed Authenticate to Authenticate2 and added remember-me support
Created Authenticate as wrapper for Authenticate2 for backwards
compat.

api.go

@@ -15,6 +15,7 @@ const (
 type TastytradeAPI struct {
 	httpClient *http.Client
 	authToken  string
+	remToken   string
 	host       string
 }
 

sessions.go

@@ -17,6 +17,7 @@ type User struct {
 type AuthData struct {
 	User         User   `json:"user"`
 	SessionToken string `json:"session-token"`
+	RememberToken string `json:"remember-token"`
 }
 
 type AuthResponse struct {
@@ -25,11 +26,18 @@ type AuthResponse struct {
 }
 
 // Authenticate authenticates the client with the Tastytrade API
-func (api *TastytradeAPI) Authenticate(username, password string) error {
+func (api *TastytradeAPI) Authenticate2(username, password string, remember bool) error {
+	var remStr string
+	if remember {
+		remStr = "true"
+	} else {
+		remStr = "false"
+	}
 	authURL := fmt.Sprintf("%s/sessions", api.host)
 	authData := map[string]string{
 		"login":    username,
 		"password": password,
+		"remember-me": remStr,
 	}
 	authBody, err := json.Marshal(authData)
 	if err != nil {
@@ -52,5 +60,12 @@ func (api *TastytradeAPI) Authenticate(username, password string) error {
 	}
 
 	api.authToken = authResponse.Data.SessionToken
+	if remember {
+		api.remToken  = authResponse.Data.RememberToken
+	}
 	return nil
 }
+
+func (api *TastytradeAPI) Authenticate(username, password string) error {
+	return api.Authenticate2(username, password, false)
+}

sessions_test.go

@@ -22,4 +22,30 @@ func TestAuthenticate(t *testing.T) {
 	if api.authToken != "testtoken" {
 		t.Errorf("expected %s, got %s", "testtoken", api.authToken)
 	}
+
+	if (len(api.remToken) > 0) {
+		t.Errorf("no remember token expected, got remember token %s", api.remToken)
+	}
+}
+
+func TestAuthenticate2(t *testing.T) {
+	server := httptest.NewServer(http.HandlerFunc(func(rw http.ResponseWriter, req *http.Request) {
+		rw.Write([]byte(`{"context": "test", "data": {"user": {"email": "test@example.com", "username": "testuser", "external-id": "123", "is-confirmed": true}, "session-token": "testtoken", "remember-token": "remember"}}`))
+	}))
+	defer server.Close()
+
+	api := NewTastytradeAPI(server.URL)
+	err := api.Authenticate2("testuser", "testpassword", true)
+
+	if err != nil {
+		t.Errorf("expected nil, got %v", err)
+	}
+
+	if api.authToken != "testtoken" {
+		t.Errorf("expected %s, got %s", "testtoken", api.authToken)
+	}
+
+	if (api.remToken != "remember") {
+		t.Errorf("Expected remember token remember, got remember token %s", api.remToken)
+	}
 }