Fix send message as user

TODO.md

@@ -4,9 +4,9 @@ Bugs:
       channel, the Buffer() in Chat will probably not go further than the
       latest message. Could be that items are added to List and not cleared
       when switching channels
+- [x] send message as user, now it will send it as a bot    
 - [ ] GetMessages for a channel can result in `json: cannot unmarshal number
       into Go value of type string` https://github.com/nlopes/slack/issues/92
-- [ ] send message as user, now it will send it as a bot    
 - [ ] alot of usernames 'unknown' should be a better way to uncover this
 - [ ] uncovering usernames takes too long, should find a better way
 - [ ] docs at exported functions
@@ -19,4 +19,5 @@ Features:
 
 - [ ] scrolling in chat pane
 - [ ] scrolling in channel pane
+- [ ] private chats
 - [x] channel name in chat pane

src/components/input.go

@@ -62,8 +62,8 @@ func (i *Input) SetY(y int) {
 	i.Par.SetY(y)
 }
 
-func (i *Input) SendMessage(svc *service.SlackService, channel string, user string, message string) {
-	svc.SendMessage(channel, user, message)
+func (i *Input) SendMessage(svc *service.SlackService, channel string, message string) {
+	svc.SendMessage(channel, message)
 }
 
 // Insert will insert a given key at the place of the current CursorPosition

src/config/config.go

@@ -7,7 +7,6 @@ import (
 
 type Config struct {
 	SlackToken string `json:"slack_token"`
-	User       string `json:"user"`
 }
 
 func NewConfig(filepath string) (*Config, error) {

src/handlers/event.go

@@ -157,7 +157,6 @@ func actionSend(ctx *context.AppContext) {
 		ctx.View.Input.SendMessage(
 			ctx.Service,
 			ctx.View.Channels.SlackChannels[ctx.View.Channels.SelectedChannel].ID,
-			ctx.Config.User,
 			ctx.View.Input.Text(),
 		)
 		ctx.View.Input.Clear()

src/service/slack.go

@@ -52,10 +52,10 @@ func (s *SlackService) GetChannels() []Channel {
 	return chans
 }
 
-func (s *SlackService) SendMessage(channel string, user string, message string) {
+func (s *SlackService) SendMessage(channel string, message string) {
 	// https://godoc.org/github.com/nlopes/slack#PostMessageParameters
 	postParams := slack.PostMessageParameters{
-		Username: user,
+		AsUser: true,
 	}
 
 	// https://godoc.org/github.com/nlopes/slack#Client.PostMessage