first working commit

event.go

@@ -0,0 +1,32 @@
+package main
+
+type IncomingEvent interface {
+	HandleIncoming(*App)
+}
+type OutgoingEvent interface {
+	HandleOutgoing(*App)
+}
+
+type Message string
+
+func (m Message) HandleIncoming(app *App) {
+	app.AppendMessage(string(m))
+}
+func (m Message) HandleOutgoing(app *App) {
+	num, _ := app.Send(string(m))
+	app.incoming <- SetLast(num)
+
+}
+
+type Poll int
+
+func (p Poll) HandleOutgoing(app *App) {
+	num, _ := app.Poll(int(p))
+	go app.Last(num)
+}
+
+type SetLast int
+
+func (m SetLast) HandleIncoming(app *App) {
+	app.last = int(m)
+}