init

api/telegram/sub.go

@@ -1,11 +1,22 @@
 package telegram
 
 import (
+	"errors"
 	"fmt"
 	"gopkg.in/telebot.v3"
+	"strings"
 )
 
+var ErrCreateSubNoArgs = errors.New("not enough arguments to create a text subscription")
+
 func CreateTextSubscription(ctx telebot.Context) (err error) {
-	fmt.Printf("TODO: created, sub id is XXX\n")
+	txt := ctx.Text()
+	args, ok := strings.CutPrefix(txt, "/sub ")
+	if !ok {
+		err = ErrCreateSubNoArgs
+	}
+	if err == nil {
+		fmt.Printf("Create a text subscription with args: %s\n", args)
+	}
 	return
 }

main.go

@@ -38,6 +38,7 @@ func main() {
 			HasCustomCert: true,
 			Listen:        fmt.Sprintf(":%d", cfg.Api.Port),
 		},
+		ParseMode: telebot.ModeMarkdownV2,
 	}
 	var b *telebot.Bot
 	b, err = telebot.NewBot(s)