From b19ffa1b4545f4b672d41b6da0d1fac162c42abe Mon Sep 17 00:00:00 2001
From: Ian Byrd <ian@byrd.im>
Date: Tue, 15 Aug 2017 18:00:22 +0300
Subject: [PATCH 1/5] Experimental handlers API added.

---
 bot.go      |  8 +++++++-
 handlers.go | 27 +++++++++++++++++++++++++++
 2 files changed, 34 insertions(+), 1 deletion(-)
 create mode 100644 handlers.go

diff --git a/bot.go b/bot.go
index 611a675..c70f770 100644
--- a/bot.go
+++ b/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 {
diff --git a/handlers.go b/handlers.go
new file mode 100644
index 0000000..dd78235
--- /dev/null
+++ b/handlers.go
@@ -0,0 +1,27 @@
+package telebot
+
+// Default handler prefix.
+const Default string = ""
+
+type Context struct {
+	Bot *Bot
+	Msg *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 {
+		endpoint(Context{b, msg})
+	} else {
+		panic("telebot: couldn't find a route")
+	}
+}

From b718278f363555d095799155223ecfc9c91ccfd5 Mon Sep 17 00:00:00 2001
From: Ian Byrd <ian@byrd.im>
Date: Thu, 17 Aug 2017 19:18:36 +0300
Subject: [PATCH 2/5] Fixing excessive panicing.

---
 handlers.go | 2 --
 1 file changed, 2 deletions(-)

diff --git a/handlers.go b/handlers.go
index dd78235..fba7b90 100644
--- a/handlers.go
+++ b/handlers.go
@@ -21,7 +21,5 @@ func (b *Bot) Serve(msg *Message) {
 
 	if endpoint, ok := value.(Handler); ok {
 		endpoint(Context{b, msg})
-	} else {
-		panic("telebot: couldn't find a route")
 	}
 }

From ad382bdb6bee9aaaec98abdfde1d45306d71de77 Mon Sep 17 00:00:00 2001
From: Ian Byrd <ian@byrd.im>
Date: Thu, 17 Aug 2017 19:34:38 +0300
Subject: [PATCH 3/5] Context.Msg -> Context.Message (for consistency).

---
 handlers.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/handlers.go b/handlers.go
index fba7b90..a2de2a2 100644
--- a/handlers.go
+++ b/handlers.go
@@ -4,8 +4,8 @@ package telebot
 const Default string = ""
 
 type Context struct {
-	Bot *Bot
-	Msg *Message
+	Bot     *Bot
+	Message *Message
 }
 
 type Handler func(Context)

From 7acb52c3cf9ae326abf5c7ef4a573b9d6e41acd0 Mon Sep 17 00:00:00 2001
From: Ian Byrd <ian@byrd.im>
Date: Sat, 19 Aug 2017 15:25:35 +0300
Subject: [PATCH 4/5] Handlers will be executed in separate goroutines.

---
 handlers.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/handlers.go b/handlers.go
index a2de2a2..01bf058 100644
--- a/handlers.go
+++ b/handlers.go
@@ -20,6 +20,6 @@ func (b *Bot) Serve(msg *Message) {
 	_, value, _ := b.tree.LongestPrefix(request)
 
 	if endpoint, ok := value.(Handler); ok {
-		endpoint(Context{b, msg})
+		go endpoint(Context{b, msg})
 	}
 }

From f7a78ef0fc37733b61601927b17ec9c51b86157f Mon Sep 17 00:00:00 2001
From: Ian Byrd <ian@byrd.im>
Date: Sat, 19 Aug 2017 18:58:10 +0300
Subject: [PATCH 5/5] Message should be passed by-value.

---
 handlers.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/handlers.go b/handlers.go
index 01bf058..1b9ea72 100644
--- a/handlers.go
+++ b/handlers.go
@@ -5,7 +5,7 @@ const Default string = ""
 
 type Context struct {
 	Bot     *Bot
-	Message *Message
+	Message Message
 }
 
 type Handler func(Context)
@@ -14,7 +14,7 @@ func (b *Bot) Handle(prefix string, handler Handler) {
 	b.tree.Insert(prefix, handler)
 }
 
-func (b *Bot) Serve(msg *Message) {
+func (b *Bot) Serve(msg Message) {
 	request := msg.Text
 
 	_, value, _ := b.tree.LongestPrefix(request)