Merge pull request tucnak#509 from dzen-it/v3-webapp_support

Web App support

bot.go

@@ -425,6 +425,10 @@ func (b *Bot) ProcessUpdate(u Update) {
 			return
 		}
 
+		if m.WebAppData != nil {
+			b.handle(OnWebApp, c)
+		}
+
 		if m.ProximityAlert != nil {
 			b.handle(OnProximityAlert, c)
 			return
@@ -1103,6 +1107,29 @@ func (b *Bot) Respond(c *Callback, resp ...*CallbackResponse) error {
 	return err
 }
 
+// AnswerWebApp sends a response for a query from Web App and returns
+// information about an inline message sent by a Web App on behalf of a user
+func (b *Bot) AnswerWebApp(query *Query, resp *WebAppQueryResponse) (SentWebAppMessage, error) {
+	resp.WebAppQueryID = query.ID
+	resp.Result.Process(b)
+
+	data, err := b.Raw("answerWebAppQuery", resp)
+
+	if err != nil {
+		return SentWebAppMessage{}, err
+	}
+
+	var response struct {
+		Result SentWebAppMessage
+	}
+
+	if err := json.Unmarshal(data, &response); err != nil {
+		return SentWebAppMessage{}, wrapError(err)
+	}
+
+	return response.Result, err
+}
+
 // FileByID returns full file object including File.FilePath, allowing you to
 // download the file from the server.
 //

bot_test.go

@@ -305,6 +305,11 @@ func TestBotProcessUpdate(t *testing.T) {
 		return nil
 	})
 
+	b.Handle(OnWebApp, func(c Context) error {
+		assert.Equal(t, "webapp", c.Message().WebAppData.Data)
+		return nil
+	})
+
 	b.ProcessUpdate(Update{Message: &Message{Text: "/start"}})
 	b.ProcessUpdate(Update{Message: &Message{Text: "/start@other_bot"}})
 	b.ProcessUpdate(Update{Message: &Message{Text: "hello"}})
@@ -345,6 +350,7 @@ func TestBotProcessUpdate(t *testing.T) {
 	b.ProcessUpdate(Update{PreCheckoutQuery: &PreCheckoutQuery{ID: "checkout"}})
 	b.ProcessUpdate(Update{Poll: &Poll{ID: "poll"}})
 	b.ProcessUpdate(Update{PollAnswer: &PollAnswer{PollID: "poll"}})
+	b.ProcessUpdate(Update{Message: &Message{WebAppData: &WebAppData{Data: "webapp"}}})
 }
 
 func TestBotOnError(t *testing.T) {

callbacks.go

@@ -80,12 +80,13 @@ type InlineButton struct {
 	// It will be used as a callback endpoint.
 	Unique string `json:"unique,omitempty"`
 
-	Text            string `json:"text"`
-	URL             string `json:"url,omitempty"`
-	Data            string `json:"callback_data,omitempty"`
-	InlineQuery     string `json:"switch_inline_query,omitempty"`
-	InlineQueryChat string `json:"switch_inline_query_current_chat"`
-	Login           *Login `json:"login_url,omitempty"`
+	Text            string      `json:"text"`
+	URL             string      `json:"url,omitempty"`
+	Data            string      `json:"callback_data,omitempty"`
+	InlineQuery     string      `json:"switch_inline_query,omitempty"`
+	InlineQueryChat string      `json:"switch_inline_query_current_chat"`
+	WebApp          *WebAppInfo `json:"web_app,omitempty"`
+	Login           *Login      `json:"login_url,omitempty"`
 }
 
 // With returns a copy of the button with data.
@@ -129,6 +130,12 @@ type Login struct {
 	WriteAccess bool   `json:"request_write_access,omitempty"`
 }
 
+// WebAppInfo represents a parameter of the inline keyboard button
+// or the keyboard button used to launch Web App.
+type WebAppInfo struct {
+	URL string `json:"url"`
+}
+
 // MarshalJSON implements json.Marshaler interface.
 // It needed to avoid InlineQueryChat and Login fields conflict.
 // If you have Login field in your button, InlineQueryChat must be skipped.

context.go

@@ -145,6 +145,10 @@ type Context interface {
 	// See Respond from bot.go.
 	Respond(resp ...*CallbackResponse) error
 
+	// AnswerWebApp sends a response to the Web App query.
+	// See AnswerWebApp from bot.go.
+	AnswerWebApp(resp *WebAppQueryResponse) error
+
 	// Get retrieves data from the context.
 	Get(key string) interface{}
 
@@ -454,6 +458,14 @@ func (c *nativeContext) Respond(resp ...*CallbackResponse) error {
 	return c.b.Respond(c.u.Callback, resp...)
 }
 
+func (c *nativeContext) AnswerWebApp(resp *WebAppQueryResponse) error {
+	if c.u.Query == nil {
+		return errors.New("telebot: context inline query is nil")
+	}
+	_, err := c.b.AnswerWebApp(c.u.Query, resp)
+	return err
+}
+
 func (c *nativeContext) Set(key string, value interface{}) {
 	c.lock.Lock()
 	defer c.lock.Unlock()

inline.go

@@ -137,3 +137,15 @@ func inferIQR(result Result) error {
 
 	return nil
 }
+
+// WebAppQueryResponse builds a response to an web app query.
+type WebAppQueryResponse struct {
+	// (Required) Unique identifier for the query to be answered
+	WebAppQueryID string `json:"web_app_query_id"`
+	// (Required) A object describing the message to be sent
+	Result Result `json:"result"`
+}
+
+type SentWebAppMessage struct {
+	InlineMessageID string `json:"inline_message_id"`
+}

media.go

@@ -334,6 +334,12 @@ type Venue struct {
 	GooglePlaceType string `json:"google_place_type,omitempty"`
 }
 
+// WebAppData object represents a data sent from a Web App to the bot
+type WebAppData struct {
+	Data       string `json:"data"`
+	ButtonText string `json:"button_text"`
+}
+
 // Dice object represents a dice with a random value
 // from 1 to 6 for currently supported base emoji.
 type Dice struct {

message.go

@@ -238,6 +238,9 @@ type Message struct {
 	// For a service message, a voice chat schedule in the chat.
 	VoiceChatScheduled *VoiceChatScheduled `json:"voice_chat_scheduled,omitempty"`
 
+	// For a data sent by a Web App
+	WebAppData *WebAppData `json:"web_app_data,omitempty"`
+
 	// For a service message, represents the content of a service message,
 	// sent whenever a user in the chat triggers a proximity alert set by another user.
 	ProximityAlert *ProximityAlert `json:"proximity_alert_triggered,omitempty"`

options.go

@@ -169,9 +169,10 @@ func (r *ReplyMarkup) copy() *ReplyMarkup {
 type ReplyButton struct {
 	Text string `json:"text"`
 
-	Contact  bool     `json:"request_contact,omitempty"`
-	Location bool     `json:"request_location,omitempty"`
-	Poll     PollType `json:"request_poll,omitempty"`
+	Contact  bool       `json:"request_contact,omitempty"`
+	Location bool       `json:"request_location,omitempty"`
+	Poll     PollType   `json:"request_poll,omitempty"`
+	WebApp   WebAppInfo `json:"request_web_app,omitempty"`
 }
 
 // MarshalJSON implements json.Marshaler. It allows to pass

telebot.go

@@ -134,6 +134,9 @@ const (
 
 	// Will fire on auto delete timer set.
 	OnAutoDeleteTimer = "\amessage_auto_delete_timer_changed"
+
+	// Will fire on the web app data.
+	OnWebApp = "\aweb_app"
 )
 
 // ChatAction is a client-side status indicating bot activity.