feat: too much to explain. Who Cares?

button.go

@@ -2,6 +2,9 @@ package tg
 
 import (
 	apix "github.com/go-telegram-bot-api/telegram-bot-api/v5"
+	"fmt"
+	"crypto/rand"
+	"encoding/base64"
 )
 
 // The type wraps Telegram API's button to provide Action functionality.
@@ -29,12 +32,22 @@ func (btnMap ButtonMap) LocationButton() *Button {
 type ButtonRow []*Button
 
 // Returns new button with the specified text and no action.
-func NewButton(text string) *Button {
+func NewButton(format string, v ...any) *Button {
 	return &Button{
-		Text: text,
+		Text: fmt.Sprintf(format, v...),
 	}
 }
 
+// Randomize buttons data to make the key unique.
+func (btn *Button) Rand() *Button {
+	rData := make([]byte, 8)
+	rand.Read(rData)
+	data := make([]byte, base64.StdEncoding.EncodedLen(len(rData)))
+	base64.StdEncoding.Encode(data, rData)
+	btn.Data = string(data)
+	return btn
+}
+
 // Set the URL for the button. Only for inline buttons.
 func (btn *Button) WithUrl(url string) *Button {
 	btn.Url = url

context.go

@@ -8,6 +8,27 @@ import (
 	//"path"
 )
 
+func Go(pth Path) UI {
+	return UI{
+		GoWidget(pth),
+	}
+}
+
+type GoWidget string
+// Implementing the Server interface.
+func (widget GoWidget) Serve(c *Context) {
+	c.input.Close()
+	c.Go(Path(widget))
+}
+
+func (widget GoWidget) Render(c *Context) UI {
+	return UI{widget}
+}
+
+func (widget GoWidget) Filter(u *Update) bool {
+	return true
+}
+
 // General context for a specific user.
 // Is always the same and is not reached
 // inside end function-handlers.

inline.go

@@ -13,8 +13,14 @@ type Inline struct {
 func (kbd *Inline) ToApi() tgbotapi.InlineKeyboardMarkup {
 	rows := [][]tgbotapi.InlineKeyboardButton{}
 	for _, row := range kbd.Rows {
+		if row == nil {
+			continue
+		}
 		buttons := []tgbotapi.InlineKeyboardButton{}
 		for _, button := range row {
+			if button == nil {
+				continue
+			}
 			buttons = append(buttons, button.ToTelegramInline())
 		}
 		rows = append(rows, buttons)
@@ -40,12 +46,24 @@ func (compo *InlineCompo) SendConfig(
 }
 
 func (compo *InlineCompo) Update(c *Context) {
-	edit := tgbotapi.NewEditMessageTextAndMarkup(
-		c.Session.Id.ToApi(),
-		compo.Message.MessageID,
-		compo.Text,
-		compo.Inline.ToApi(),
-	)
+	var edit tgbotapi.Chattable
+	markup := compo.Inline.ToApi()
+	ln := len(markup.InlineKeyboard)
+	c.Sendf("%d shit", ln)
+	if ln == 0 {
+		edit = tgbotapi.NewEditMessageText(
+			c.Session.Id.ToApi(),
+			compo.Message.MessageID,
+			compo.Text,
+		)
+	} else {
+		edit = tgbotapi.NewEditMessageTextAndMarkup(
+			c.Session.Id.ToApi(),
+			compo.Message.MessageID,
+			compo.Text,
+			markup,
+		)
+	}
 	msg, _ := c.Bot.Api.Send(edit)
 	compo.Message = &msg
 }
@@ -66,6 +84,7 @@ func (compo *InlineCompo) Filter(u *Update) bool {
 
 // Implementing the Server interface.
 func (widget *InlineCompo) Serve(c *Context) {
+	btns := widget.ButtonMap()
 	for u := range c.Input() {
 		var act Action
 		cb := tgbotapi.NewCallback(
@@ -80,7 +99,6 @@ func (widget *InlineCompo) Serve(c *Context) {
 			continue
 		}
 
-		btns := widget.ButtonMap()
 		btn, ok := btns[data]
 		if !ok {
 			continue

keyboard.go

@@ -24,6 +24,17 @@ func NewKeyboard(rows ...ButtonRow) *Keyboard {
 	return ret
 }
 
+func (kbd *Keyboard) RowNum() int {
+	return len(kbd.Rows)
+}
+
+func (kbd *Keyboard) RemoveRow(i int) {
+	if i<0 || i > len(kbd.Rows) - 1 {
+		return
+	}
+	kbd.Rows = append(kbd.Rows[:i], kbd.Rows[i+1:]...)
+}
+
 // Adds a new button row to the current keyboard.
 func (kbd *Keyboard) Row(btns ...*Button) *Keyboard {
 	// For empty row. We do not need that.
@@ -70,9 +81,6 @@ func (kbd *Keyboard) ActionFunc(fn ActionFunc) *Keyboard {
 
 // Returns the map of buttons. Used to define the Action.
 func (kbd Keyboard) ButtonMap() ButtonMap {
-	if kbd.buttonMap != nil {
-		return kbd.buttonMap
-	}
 	ret := make(ButtonMap)
 	for _, vi := range kbd.Rows {
 		for _, vj := range vi {

message.go

@@ -4,6 +4,7 @@ import (
 	tgbotapi "github.com/go-telegram-bot-api/telegram-bot-api/v5"
 	//"strings"
 	re "regexp"
+	"fmt"
 )
 type Message = tgbotapi.Message
 
@@ -42,9 +43,9 @@ func (compo *MessageCompo) SetMessage(msg *Message) {
 }
 
 // Return new message with the specified text.
-func NewMessage(text string) *MessageCompo {
+func NewMessage(format string, v ...any) *MessageCompo {
 	ret := &MessageCompo{}
-	ret.Text = text
+	ret.Text = fmt.Sprintf(format, v...)
 	ret.ParseMode = tgbotapi.ModeMarkdown
 	return ret
 }

reply.go

@@ -36,8 +36,14 @@ func (kbd *Reply) ToApi() any {
 
 	rows := [][]tgbotapi.KeyboardButton{}
 	for _, row := range kbd.Rows {
+		if row == nil {
+			continue
+		}
 		buttons := []tgbotapi.KeyboardButton{}
 		for _, button := range row {
+			if button == nil {
+				continue
+			}
 			buttons = append(buttons, button.ToTelegram())
 		}
 		rows = append(rows, buttons)

ui.go

@@ -1,6 +1,5 @@
 package tg
 
-
 // The type describes dynamic screen widget
 // That can have multiple UI components.
 type Widget interface {