Simple pluggable serve-and-handle API

bot.go

@@ -6,6 +6,7 @@ import (
 	"strconv"
 	"time"
 
+	"github.com/armon/go-radix"
 	"github.com/pkg/errors"
 )
 
@@ -20,12 +21,17 @@ type Bot struct {
 	// Telebot debugging channel. If present, Telebot
 	// will use it to report all occuring errors.
 	Errors chan error
+
+	tree *radix.Tree
 }
 
 // NewBot does try to build a Bot with token `token`, which
 // is a secret API key assigned to particular bot.
 func NewBot(token string) (*Bot, error) {
-	bot := &Bot{Token: token}
+	bot := &Bot{
+		Token: token,
+		tree:  radix.New(),
+	}
 
 	user, err := bot.getMe()
 	if err != nil {

handlers.go

@@ -0,0 +1,25 @@
+package telebot
+
+// Default handler prefix.
+const Default string = ""
+
+type Context struct {
+	Bot     *Bot
+	Message Message
+}
+
+type Handler func(Context)
+
+func (b *Bot) Handle(prefix string, handler Handler) {
+	b.tree.Insert(prefix, handler)
+}
+
+func (b *Bot) Serve(msg Message) {
+	request := msg.Text
+
+	_, value, _ := b.tree.LongestPrefix(request)
+
+	if endpoint, ok := value.(Handler); ok {
+		go endpoint(Context{b, msg})
+	}
+}