Start with group and im channels

TODO.md

@@ -26,4 +26,5 @@ Features:
 - [x] new message indicator
 - [x] scrolling in chat pane
 - [ ] group channels, im channels
+- [ ] incomming message event.go probably need a type switch
 - [ ] scrolling in channel pane

src/components/channels.go

@@ -10,7 +10,6 @@ import (
 
 type Channels struct {
 	List            *termui.List
-	SlackChannels   []SlackChannel
 	SelectedChannel int
 }
 
@@ -65,10 +64,6 @@ func (c *Channels) Buffer() termui.Buffer {
 	return buf
 }
 
-func (c *Channels) Add() {
-
-}
-
 // GetHeight implements interface termui.GridBufferer
 func (c *Channels) GetHeight() int {
 	return c.List.Block.GetHeight()
@@ -96,13 +91,6 @@ func (c *Channels) SetY(y int) {
 func (c *Channels) GetChannels(svc *service.SlackService) {
 	for _, slackChan := range svc.GetChannels() {
 		c.List.Items = append(c.List.Items, fmt.Sprintf("  %s", slackChan.Name))
-		c.SlackChannels = append(
-			c.SlackChannels,
-			SlackChannel{
-				ID:   slackChan.ID,
-				Name: slackChan.Name,
-			},
-		)
 	}
 }
 
@@ -129,11 +117,11 @@ func (c *Channels) MoveCursorDown() {
 
 // NewMessage will be called when a new message arrives and will
 // render an asterisk in front of the channel name
-func (c *Channels) NewMessage(channelID string) {
+func (c *Channels) NewMessage(svc *service.SlackService, channelID string) {
 	var index int
 
 	// Get the correct Channel from SlackChannels
-	for i, channel := range c.SlackChannels {
+	for i, channel := range svc.Channels {
 		if channelID == channel.ID {
 			index = i
 			break

src/components/chat.go

@@ -14,7 +14,7 @@ type Chat struct {
 }
 
 // CreateChat is the constructor for the Chat struct
-func CreateChat(svc *service.SlackService, inputHeight int, selectedChannel SlackChannel) *Chat {
+func CreateChat(svc *service.SlackService, inputHeight int, selectedChannel interface{}) *Chat {
 	chat := &Chat{
 		List:   termui.NewList(),
 		Offset: 0,
@@ -23,8 +23,8 @@ func CreateChat(svc *service.SlackService, inputHeight int, selectedChannel Slac
 	chat.List.Height = termui.TermHeight() - inputHeight
 	chat.List.Overflow = "wrap"
 
-	chat.GetMessages(svc, selectedChannel.ID)
+	chat.GetMessages(svc, selectedChannel)
-	chat.SetBorderLabel(selectedChannel.Name)
+	// chat.SetBorderLabel(selectedChannel.Name)
 
 	return chat
 }
@@ -136,7 +136,7 @@ func (c *Chat) SetY(y int) {
 
 // GetMessages will get an array of strings for a specific channel which will
 // contain messages in turn all these messages will be added to List.Items
-func (c *Chat) GetMessages(svc *service.SlackService, channel string) {
+func (c *Chat) GetMessages(svc *service.SlackService, channel interface{}) {
 	// Get the count of message that fit in the pane
 	count := c.List.InnerBounds().Max.Y - c.List.InnerBounds().Min.Y
 	messages := svc.GetMessages(channel, count)

src/handlers/event.go

@@ -90,7 +90,7 @@ func incomingMessageHandler(ctx *context.AppContext) {
 					m := ctx.Service.CreateMessageFromMessageEvent(ev)
 
 					// Add message to the selected channel
-					if ev.Channel == ctx.View.Channels.SlackChannels[ctx.View.Channels.SelectedChannel].ID {
+					if ev.Channel == ctx.Service.Channels[ctx.View.Channels.SelectedChannel].ID {
 						ctx.View.Chat.AddMessage(m)
 						termui.Render(ctx.View.Chat)
 
@@ -137,7 +137,7 @@ func actionSend(ctx *context.AppContext) {
 	if !ctx.View.Input.IsEmpty() {
 		ctx.View.Input.SendMessage(
 			ctx.Service,
-			ctx.View.Channels.SlackChannels[ctx.View.Channels.SelectedChannel].ID,
+			ctx.Service.Channels[ctx.View.Channels.SelectedChannel].ID,
 			ctx.View.Input.Text(),
 		)
 		ctx.View.Input.Clear()
@@ -164,7 +164,7 @@ func actionCommandMode(ctx *context.AppContext) {
 func actionGetMessages(ctx *context.AppContext) {
 	ctx.View.Chat.GetMessages(
 		ctx.Service,
-		ctx.View.Channels.SlackChannels[ctx.View.Channels.SelectedChannel].ID,
+		ctx.Service.Channels[ctx.View.Channels.SelectedChannel],
 	)
 
 	termui.Render(ctx.View.Chat)
@@ -192,12 +192,12 @@ func actionChangeChannel(ctx *context.AppContext) {
 	// Get message for the new channel
 	ctx.View.Chat.GetMessages(
 		ctx.Service,
-		ctx.View.Channels.SlackChannels[ctx.View.Channels.SelectedChannel].ID,
+		ctx.Service.SlackChannels[ctx.View.Channels.SelectedChannel],
 	)
 
 	// Set channel name for the Chat pane
 	ctx.View.Chat.SetBorderLabel(
-		ctx.View.Channels.SlackChannels[ctx.View.Channels.SelectedChannel].Name,
+		ctx.Service.Channels[ctx.View.Channels.SelectedChannel].Name,
 	)
 
 	termui.Render(ctx.View.Channels)
@@ -205,7 +205,7 @@ func actionChangeChannel(ctx *context.AppContext) {
 }
 
 func actionNewMessage(ctx *context.AppContext, channelID string) {
-	ctx.View.Channels.NewMessage(channelID)
+	ctx.View.Channels.NewMessage(ctx.Service, channelID)
 	termui.Render(ctx.View.Channels)
 }
 

src/service/slack.go

@@ -12,7 +12,8 @@ import (
 type SlackService struct {
 	Client        *slack.Client
 	RTM           *slack.RTM
-	Channels  []slack.Channel
+	SlackChannels []interface{}
+	Channels      []Channel
 	UserCache     map[string]string
 }
 
@@ -42,17 +43,39 @@ func NewSlackService(token string) *SlackService {
 func (s *SlackService) GetChannels() []Channel {
 	var chans []Channel
 
+	// Channel
 	slackChans, err := s.Client.GetChannels(true)
 	if err != nil {
 		chans = append(chans, Channel{})
 	}
-
+	for _, chn := range slackChans {
-	s.Channels = slackChans
+		s.SlackChannels = append(s.SlackChannels, chn)
-
+		chans = append(chans, Channel{chn.ID, chn.Name})
-	for _, slackChan := range slackChans {
-		chans = append(chans, Channel{slackChan.ID, slackChan.Name})
 	}
 
+	// TODO: json: cannot unmarshal number into Go value of type string, GetMessages
+	// Groups
+	// slackGroups, err := s.Client.GetGroups(true)
+	// if err != nil {
+	// 	chans = append(chans, Channel{})
+	// }
+	// for _, grp := range slackGroups {
+	// 	s.SlackChannels = append(s.SlackChannels, grp)
+	// 	chans = append(chans, Channel{grp.ID, grp.Name})
+	// }
+
+	// IM
+	slackIM, err := s.Client.GetIMChannels()
+	if err != nil {
+		chans = append(chans, Channel{})
+	}
+	for _, im := range slackIM {
+		s.SlackChannels = append(s.SlackChannels, im)
+		chans = append(chans, Channel{im.ID, im.User})
+	}
+
+	s.Channels = chans
+
 	return chans
 }
 
@@ -66,7 +89,54 @@ func (s *SlackService) SendMessage(channel string, message string) {
 	s.Client.PostMessage(channel, message, postParams)
 }
 
-func (s *SlackService) GetMessages(channel string, count int) []string {
+func (s *SlackService) GetMessages(channel interface{}, count int) []string {
+	// https://api.slack.com/methods/channels.history
+	historyParams := slack.HistoryParameters{
+		Count:     count,
+		Inclusive: false,
+		Unreads:   false,
+	}
+
+	// https://godoc.org/github.com/nlopes/slack#History
+	history := new(slack.History)
+	var err error
+	switch chnType := channel.(type) {
+	case slack.Channel:
+		history, err = s.Client.GetChannelHistory(chnType.ID, historyParams)
+		if err != nil {
+			log.Fatal(err) // FIXME
+		}
+	case slack.Group:
+		// TODO: json: cannot unmarshal number into Go value of type string<Paste>
+		history, err = s.Client.GetGroupHistory(chnType.ID, historyParams)
+		if err != nil {
+			log.Fatal(err) // FIXME
+		}
+	case slack.IM:
+		history, err = s.Client.GetIMHistory(chnType.ID, historyParams)
+		if err != nil {
+			log.Fatal(err) // FIXME
+		}
+	}
+
+	// Construct the messages
+	var messages []string
+	for _, message := range history.Messages {
+		msg := s.CreateMessage(message)
+		messages = append(messages, msg)
+	}
+
+	// Reverse the order of the messages, we want the newest in
+	// the last place
+	var messagesReversed []string
+	for i := len(messages) - 1; i >= 0; i-- {
+		messagesReversed = append(messagesReversed, messages[i])
+	}
+
+	return messagesReversed
+}
+
+func (s *SlackService) GetMessagesForChannel(channel string, count int) []string {
 	// https://api.slack.com/methods/channels.history
 	historyParams := slack.HistoryParameters{
 		Count:     count,
@@ -98,6 +168,10 @@ func (s *SlackService) GetMessages(channel string, count int) []string {
 	return messagesReversed
 }
 
+func (s *SlackService) GetMessageForGroup() {
+
+}
+
 // CreateMessage will create a string formatted message that can be rendered
 // in the Chat pane.
 //

src/views/chat.go

@@ -20,8 +20,9 @@ func CreateChatView(svc *service.SlackService) *View {
 	channels := components.CreateChannels(svc, input.Par.Height)
 
 	chat := components.CreateChat(
-		svc, input.Par.Height,
+		svc,
-		channels.SlackChannels[channels.SelectedChannel],
+		input.Par.Height,
+		svc.SlackChannels[channels.SelectedChannel],
 	)
 
 	mode := components.CreateMode()