New Telegram Chat type, instead of previous UserOrGroupChat type

types.go

@@ -50,13 +50,14 @@ type GroupChat struct {
 	Title string `json:"title"`
 }
 
-// UserOrGroupChat is returned in Message, because it's not clear which it is.
-type UserOrGroupChat struct {
+// Chat is returned in Message, it contains information about the Chat a message was sent in.
+type Chat struct {
 	ID        int    `json:"id"`
+	Type      string `json:"type"`
+	Title     string `json:"title"`
+	UserName  string `json:"username"`
 	FirstName string `json:"first_name"`
 	LastName  string `json:"last_name"`
-	UserName  string `json:"username"`
-	Title     string `json:"title"`
 }
 
 // Message is returned by almost every request, and contains data about almost anything.
@@ -64,7 +65,7 @@ type Message struct {
 	MessageID           int         `json:"message_id"`
 	From                User        `json:"from"`
 	Date                int         `json:"date"`
-	Chat                UserOrGroupChat `json:"chat"`
+	Chat                Chat        `json:"chat"`
 	ForwardFrom         User        `json:"forward_from"`
 	ForwardDate         int         `json:"forward_date"`
 	ReplyToMessage      *Message    `json:"reply_to_message"`