slack: add reply and session struct

examples/interact/main.go

@@ -45,7 +45,7 @@ func (m *PositionInteraction) Commands(i *interact.Interact) {
 		// send symbol options
 		reply.Message("Choose your position")
 		for _, symbol := range []string{"BTCUSDT", "ETHUSDT"} {
-			reply.AddButton(symbol)
+			reply.AddButton(symbol, symbol, symbol)
 		}
 
 		return nil
@@ -68,7 +68,7 @@ func (m *PositionInteraction) Commands(i *interact.Interact) {
 
 		reply.Message("Choose or enter the percentage to close")
 		for _, symbol := range []string{"25%", "50%", "100%"} {
-			reply.AddButton(symbol)
+			reply.AddButton(symbol, symbol, symbol)
 		}
 
 		// send percentage options
@@ -85,7 +85,7 @@ func (m *PositionInteraction) Commands(i *interact.Interact) {
 
 		// send confirmation
 		reply.Message("Are you sure to close the position?")
-		reply.AddButton("Yes")
+		reply.AddButton("Yes", "confirm", "yes")
 		return nil
 	}).Next(func(reply interact.Reply, confirm string) error {
 		switch strings.ToLower(confirm) {

pkg/bbgo/interact.go

@@ -44,6 +44,12 @@ func NewCoreInteraction(environment *Environment, trader *Trader) *CoreInteracti
 
 func (it *CoreInteraction) Commands(i *interact.Interact) {
 	i.PrivateCommand("/sessions", "List Exchange Sessions", func(reply interact.Reply) error {
+		switch r := reply.(type) {
+		case *interact.SlackReply:
+			// call slack specific api to build the reply object
+			_ = r
+		}
+
 		message := "Your connected sessions:\n"
 		for name, session := range it.environment.Sessions() {
 			message += "- " + name + " (" + session.ExchangeName.String() + ")\n"
@@ -56,7 +62,7 @@ func (it *CoreInteraction) Commands(i *interact.Interact) {
 	i.PrivateCommand("/balances", "Show balances", func(reply interact.Reply) error {
 		reply.Message("Please select an exchange session")
 		for name := range it.environment.Sessions() {
-			reply.AddButton(name)
+			reply.AddButton(name, "session", name)
 		}
 		return nil
 	}).Next(func(sessionName string, reply interact.Reply) error {
@@ -86,7 +92,7 @@ func (it *CoreInteraction) Commands(i *interact.Interact) {
 		found := false
 		for signature, strategy := range it.exchangeStrategies {
 			if _, ok := strategy.(PositionReader); ok {
-				reply.AddButton(signature)
+				reply.AddButton(signature, "strategy", signature)
 				found = true
 			}
 		}
@@ -131,7 +137,7 @@ func (it *CoreInteraction) Commands(i *interact.Interact) {
 		found := false
 		for signature, strategy := range it.exchangeStrategies {
 			if _, ok := strategy.(PositionCloser); ok {
-				reply.AddButton(signature)
+				reply.AddButton(signature, strategy, signature)
 				found = true
 			}
 		}
@@ -173,8 +179,8 @@ func (it *CoreInteraction) Commands(i *interact.Interact) {
 		}
 
 		reply.Message("Choose or enter the percentage to close")
-		for _, symbol := range []string{"5%", "25%", "50%", "80%", "100%"} {
-			reply.AddButton(symbol)
+		for _, p := range []string{"5%", "25%", "50%", "80%", "100%"} {
+			reply.AddButton(p, "percentage", p)
 		}
 
 		return nil

pkg/interact/reply.go

@@ -1,8 +1,33 @@
 package interact
 
+type Button struct {
+	Text string
+	Name string
+	Value string
+}
+
 type Reply interface {
+	// Send sends the message directly to the client's session
 	Send(message string)
+
+	// Message sets the message to the reply
 	Message(message string)
-	AddButton(text string)
+
+	// AddButton adds the button to the reply
+	AddButton(text string, name, value string)
+
+	// RemoveKeyboard hides the keyboard from the client user interface
 	RemoveKeyboard()
 }
+
+// ButtonReply can be used if your reply needs button user interface.
+type ButtonReply interface {
+	// AddButton adds the button to the reply
+	AddButton(text string)
+}
+
+// DialogReply can be used if your reply needs Dialog user interface
+type DialogReply interface {
+	// AddButton adds the button to the reply
+	Dialog(title, text string, buttons []string)
+}

pkg/interact/responder.go

@@ -3,6 +3,10 @@ package interact
 // Responder defines the logic of responding the message
 type Responder func(session Session, message string, reply Reply, ctxObjects ...interface{}) error
 
+type CallbackResponder interface {
+	SetCallbackResponder(responder Responder)
+}
+
 type TextMessageResponder interface {
 	SetTextMessageResponder(responder Responder)
 }

pkg/interact/slack.go

@@ -6,14 +6,108 @@ import (
 	"log"
 	"os"
 
+	"github.com/google/uuid"
 	"github.com/sirupsen/logrus"
 	"github.com/slack-go/slack"
 	"github.com/slack-go/slack/slackevents"
 	"github.com/slack-go/slack/socketmode"
 )
 
+
+type SlackReply struct {
+	// uuid is the unique id of this question
+	// can be used as the callback id
+	uuid string
+
+	session *SlackSession
+
+	client *slack.Client
+
+	message string
+
+	accessories []*slack.Accessory
+}
+
+func (reply *SlackReply) Send(message string) {
+	cID, tsID, err := reply.client.PostMessage(
+		reply.session.ChannelID,
+		slack.MsgOptionText(message, false),
+		slack.MsgOptionAsUser(false), // Add this if you want that the bot would post message as a user, otherwise it will send response using the default slackbot
+	)
+	if err != nil {
+		logrus.WithError(err).Errorf("slack post message error: channel=%s thread=%s", cID, tsID)
+		return
+	}
+}
+
+func (reply *SlackReply) Message(message string) {
+	reply.message = message
+}
+
+// RemoveKeyboard is not supported by Slack
+func (reply *SlackReply) RemoveKeyboard() {}
+
+func (reply *SlackReply) AddButton(text string, name string, value string) {
+	actionID := reply.uuid + ":" + value
+	reply.accessories = append(reply.accessories, slack.NewAccessory(
+		slack.NewButtonBlockElement(
+			// action id should be unique
+			actionID,
+			value,
+			&slack.TextBlockObject{
+				Type: slack.PlainTextType,
+				Text: text,
+			},
+		),
+	))
+}
+
+func (reply *SlackReply) build() map[string]interface{} {
+	var blocks []slack.Block
+
+	blocks = append(blocks, slack.NewSectionBlock(
+		&slack.TextBlockObject{
+			Type: slack.MarkdownType,
+			Text: reply.message,
+		},
+		nil, // fields
+		nil, // accessory
+		nil, // options
+	))
+
+	blocks = append(blocks, slack.NewActionBlock("",
+		slack.NewButtonBlockElement(
+			"actionID",
+			"value",
+			slack.NewTextBlockObject(
+				slack.PlainTextType, "text", true, false),
+		)))
+
+	var payload = map[string]interface{}{
+		"blocks": blocks,
+	}
+	return payload
+}
+
 type SlackSession struct {
 	BaseSession
+
+	ChannelID string
+	UserID    string
+
+	// questions is used to store the questions that we added in the reply
+	// the key is the client generated callback id
+	questions map[string]interface{}
+}
+
+func NewSlackSession() *SlackSession {
+	return &SlackSession{
+		questions: make(map[string]interface{}),
+	}
+}
+
+func (s *SlackSession) ID() string {
+	return fmt.Sprintf("%s-%s", s.UserID, s.ChannelID)
 }
 
 type SlackSessionMap map[int64]*SlackSession
@@ -31,6 +125,8 @@ type Slack struct {
 	textMessageResponder Responder
 
 	authorizedCallbacks []func(userSession *SlackSession)
+
+	eventsApiCallbacks []func(slackevents.EventsAPIEvent)
 }
 
 func NewSlack(client *slack.Client) *Slack {
@@ -68,15 +164,15 @@ func (s *Slack) listen() {
 		case socketmode.EventTypeEventsAPI:
 			eventsAPIEvent, ok := evt.Data.(slackevents.EventsAPIEvent)
 			if !ok {
-				fmt.Printf("Ignored %+v\n", evt)
-
+				logrus.Debugf("ignored %+v", evt)
 				continue
 			}
 
-			fmt.Printf("Event received: %+v\n", eventsAPIEvent)
-
+			logrus.Debugf("event received: %+v", eventsAPIEvent)
 			s.socket.Ack(*evt.Request)
 
+			s.EmitEventsApi(eventsAPIEvent)
+
 			switch eventsAPIEvent.Type {
 			case slackevents.CallbackEvent:
 				innerEvent := eventsAPIEvent.InnerEvent
@@ -95,20 +191,19 @@ func (s *Slack) listen() {
 		case socketmode.EventTypeInteractive:
 			callback, ok := evt.Data.(slack.InteractionCallback)
 			if !ok {
-				fmt.Printf("Ignored %+v\n", evt)
-
+				logrus.Debugf("ignored %+v", evt)
 				continue
 			}
 
-			fmt.Printf("Interaction received: %+v\n", callback)
+			logrus.Debugf("interaction received: %+v", callback)
 
 			var payload interface{}
 
 			switch callback.Type {
 			case slack.InteractionTypeBlockActions:
 				// See https://api.slack.com/apis/connections/socket-implement#button
+				logrus.Debugf("button clicked!")
 
-				s.socket.Debugf("button clicked!")
 			case slack.InteractionTypeShortcut:
 			case slack.InteractionTypeViewSubmission:
 				// See https://api.slack.com/apis/connections/socket-implement#modal
@@ -118,47 +213,44 @@ func (s *Slack) listen() {
 			}
 
 			s.socket.Ack(*evt.Request, payload)
+
 		case socketmode.EventTypeSlashCommand:
 			cmd, ok := evt.Data.(slack.SlashCommand)
 			if !ok {
-				fmt.Printf("Ignored %+v\n", evt)
-
+				logrus.Debugf("ignored %+v", evt)
 				continue
 			}
 
-			s.socket.Debugf("Slash command received: %+v", cmd)
+			logrus.Debugf("slash command received: %+v", cmd)
 
-			payload := map[string]interface{}{
-				"blocks": []slack.Block{
-					slack.NewSectionBlock(
-						&slack.TextBlockObject{
-							Type: slack.MarkdownType,
-							Text: "foo",
-						},
-						nil,
-						slack.NewAccessory(
-							slack.NewButtonBlockElement(
-								"",
-								"somevalue",
-								&slack.TextBlockObject{
-									Type: slack.PlainTextType,
-									Text: "bar",
-								},
-							),
-						),
-					),
-				}}
+			session := s.newSession(evt)
+			reply := s.newReply(session)
+			if err := s.textMessageResponder(session, "", reply); err != nil {
+				continue
+			}
 
+			payload := reply.build()
 			s.socket.Ack(*evt.Request, payload)
 		default:
-			fmt.Fprintf(os.Stderr, "Unexpected event type received: %s\n", evt.Type)
+			logrus.Debugf("unexpected event type received: %s", evt.Type)
 		}
 	}
 }
 
+func (s *Slack) newSession(evt socketmode.Event) *SlackSession {
+	return NewSlackSession()
+}
+
+func (s *Slack) newReply(session *SlackSession) *SlackReply {
+	return &SlackReply{
+		uuid:    uuid.New().String(),
+		session: session,
+	}
+}
+
 func (s *Slack) Start(ctx context.Context) {
 	go s.listen()
-	if err := s.socket.Run() ; err != nil {
+	if err := s.socket.Run(); err != nil {
 		logrus.WithError(err).Errorf("slack socketmode error")
 	}
 }

pkg/interact/telegram.go

@@ -70,7 +70,7 @@ func (r *TelegramReply) RemoveKeyboard() {
 	r.set = true
 }
 
-func (r *TelegramReply) AddButton(text string) {
+func (r *TelegramReply) AddButton(text string, name string, value string) {
 	var button = r.menu.Text(text)
 	if len(r.buttons) == 0 {
 		r.buttons = append(r.buttons, []telebot.Btn{})
@@ -101,6 +101,8 @@ type Telegram struct {
 	// textMessageResponder is used for interact to register its message handler
 	textMessageResponder Responder
 
+	callbackResponder CallbackResponder
+
 	commands []*Command
 
 	authorizedCallbacks []func(s *TelegramSession)
@@ -114,8 +116,12 @@ func NewTelegram(bot *telebot.Bot) *Telegram {
 	}
 }
 
-func (tm *Telegram) SetTextMessageResponder(textMessageResponder Responder) {
-	tm.textMessageResponder = textMessageResponder
+func (tm *Telegram) SetCallbackResponder(responder CallbackResponder) {
+	tm.callbackResponder = responder
+}
+
+func (tm *Telegram) SetTextMessageResponder(responder Responder) {
+	tm.textMessageResponder = responder
 }
 
 func (tm *Telegram) Start(context.Context) {