Changed interface Sendable to make it work without context.

tg/bot.go

@@ -52,7 +52,7 @@ func (bot *Bot) Debug(debug bool) *Bot {
 // Can be used for both group and private sessions because
 // SessionId represents both for chat IDs.
 func (bot *Bot) Send(
-	sid SessionId, v Sendable, args ...any,
+	sid SessionId, v Sendable,
 ) (*Message, error) {
 	ctx, ok := bot.contexts[sid]
 	if !ok {
@@ -65,6 +65,17 @@ func (bot *Bot) Send(
 	return c.Bot.Send(c.Session.Id, v)
 }
 
+// Send to the session specified its ID raw chattable from the tgbotapi.
+func (bot *Bot) SendRaw(
+	sid SessionId, v tgbotapi.Chattable,
+) (*Message, error) {
+	msg, err := bot.Api.Send(v)
+	if err != nil {
+		return nil, err
+	}
+	return &msg, nil
+}
+
 // Get session by its ID. Can be used for any scope
 // including private, group and channel.
 func (bot *Bot) GetSession(

tg/context.go

@@ -84,7 +84,7 @@ func (c *Context) Skip(u *Update) {
 
 // Sends to the Sendable object.
 func (c *Context) Send(v Sendable) (*Message, error) {
-	config := v.SendConfig(c)
+	config := v.SendConfig(c.Session.Id, c.Bot)
 	if config.Error != nil {
 		return nil, config.Error
 	}

tg/inline.go

@@ -31,10 +31,9 @@ type InlineCompo struct {
 
 // Implementing the Sendable interface.
 func (compo *InlineCompo) SendConfig(
-	c *Context,
+	sid SessionId, bot *Bot,
 ) (*SendConfig) {
-
-	sendConfig := compo.MessageCompo.SendConfig(c)
+	sendConfig := compo.MessageCompo.SendConfig(sid, bot)
 	sendConfig.Message.ReplyMarkup = compo.Inline.ToApi()
 
 	return sendConfig

tg/keyboard.go

@@ -16,7 +16,11 @@ type Keyboard struct {
 // Returns the new keyboard with specified rows.
 func NewKeyboard(rows ...ButtonRow) *Keyboard {
 	ret := &Keyboard{}
-	ret.Rows = rows
+	for _, row := range rows {
+		if row != nil && len(row) > 0 {
+			ret.Rows = append(ret.Rows, row)
+		}
+	}
 	return ret
 }
 
@@ -33,7 +37,10 @@ func (kbd *Keyboard) Row(btns ...*Button) *Keyboard {
 		}
 		retBtns = append(retBtns, btn)
 	}
-	kbd.Rows = append(kbd.Rows, retBtns)
+	// Add only if there is something to add.
+	if len(retBtns) > 0 {
+		kbd.Rows = append(kbd.Rows, retBtns)
+	}
 	return kbd
 }
 

tg/message.go

@@ -78,7 +78,7 @@ func (msg *MessageCompo) Reply(reply *Reply) *ReplyCompo {
 }
 
 func (config *MessageCompo) SendConfig(
-	c *Context,
+	sid SessionId, bot *Bot,
 ) (*SendConfig) {
 	var (
 		ret SendConfig
@@ -93,7 +93,7 @@ func (config *MessageCompo) SendConfig(
 
 	//text = strings.ReplaceAll(text, "-", "\\-")
 
-	msg := tgbotapi.NewMessage(c.Session.Id.ToApi(), text)
+	msg := tgbotapi.NewMessage(sid.ToApi(), text)
 	ret.Message = &msg
 	ret.Message.ParseMode = config.ParseMode
 

tg/reply.go

@@ -58,9 +58,9 @@ type ReplyCompo struct {
 
 // Implementing the sendable interface.
 func (compo *ReplyCompo) SendConfig(
-	c *Context,
+	sid SessionId, bot *Bot,
 ) (*SendConfig) {
-	sendConfig := compo.MessageCompo.SendConfig(c)
+	sendConfig := compo.MessageCompo.SendConfig(sid, bot)
 	sendConfig.Message.ReplyMarkup = compo.Reply.ToApi()
 	return sendConfig
 }

tg/send.go

@@ -10,7 +10,7 @@ type MessageId int64
 // way to define what message will be
 // sent to the side of a user.
 type Sendable interface {
-	SendConfig(*Context) (*SendConfig)
+	SendConfig(SessionId, *Bot) (*SendConfig)
 	SetMessage(*Message)
 }
 

tg/session.go

@@ -10,11 +10,9 @@ const (
 	ChannelSessionScope
 )
 
-type ChatId int64
-
 // Represents unique value to identify chats.
 // In fact is simply ID of the chat.
-type SessionId = ChatId
+type SessionId int64
 
 // Convert the SessionId to Telegram API's type.
 func (si SessionId) ToApi() int64 {
@@ -50,23 +48,3 @@ func (sm SessionMap) Add(sid SessionId, scope SessionScope) *Session {
 	return ret
 }
 
-// Session information for a group.
-type GroupSession struct {
-	Id SessionId
-	// Information for each user in the group.
-	Data any
-}
-
-// Returns new empty group session with specified group and user IDs.
-func NewGroupSession(id SessionId) *GroupSession {
-	return &GroupSession{
-		Id: id,
-	}
-}
-
-// Map for every group the bot is in.
-type GroupSessionMap map[SessionId]*GroupSession
-
-func (sm GroupSessionMap) Add(sid SessionId) {
-	sm[sid] = NewGroupSession(sid)
-}