Make sure we request all required data

cmd/app.go

@@ -63,12 +63,6 @@ func (a *App) initialize() error {
 		slackToken, _ = reader.ReadString('\n')
 		a.m.setSlackToken(strings.TrimSpace(slackToken))
 	}
-	slackDMid, err = a.m.GetSlackAdminDMId()
-	if err != nil || slackDMid == "" {
-		fmt.Print("Slack Admin DM ID: ")
-		slackDMid, _ = reader.ReadString('\n')
-		a.m.setSlackAdminDMId(strings.TrimSpace(slackDMid))
-	}
 
 	go a.watchMessageChannel()
 	go a.watchRTMEventChannel()

cmd/model_slack.go

@@ -1,8 +1,11 @@
 package main
 
 import (
+	"bufio"
 	"errors"
 	"fmt"
+	"os"
+	"strings"
 	"time"
 
 	"github.com/nlopes/slack"
@@ -31,7 +34,16 @@ func (m *BotModel) NewSlack() error {
 	var err error
 	m.slackApiToken, err = m.getSlackToken()
 	if err != nil {
-		return err
+		if strings.HasPrefix(err.Error(), "Couldn't find") {
+			m.RequestSlackToken()
+		} else {
+			return err
+		}
+	}
+	var slackDMid string
+	slackDMid, err = m.GetSlackAdminDMId()
+	if err != nil || slackDMid == "" {
+		m.RequestAdminDMId()
 	}
 	m.IncomingSlackMessages = make(chan *slack.MessageEvent, 50)
 	m.OtherRTMEvents = make(chan *slack.RTMEvent, 50)
@@ -44,6 +56,21 @@ func (m *BotModel) NewSlack() error {
 	return nil
 }
 
+func (m *BotModel) RequestAdminDMId() {
+	reader := bufio.NewReader(os.Stdin)
+	fmt.Print("Slack Admin DM ID: ")
+	dmId, _ := reader.ReadString('\n')
+	m.setSlackAdminDMId(strings.TrimSpace(dmId))
+}
+
+func (m *BotModel) RequestSlackToken() {
+	reader := bufio.NewReader(os.Stdin)
+	fmt.Print("Slack Token: ")
+	token, _ := reader.ReadString('\n')
+	m.slackApiToken = strings.TrimSpace(token)
+	m.setSlackToken(m.slackApiToken)
+}
+
 func (m *BotModel) HandleRTMEvents() {
 	for msg := range m.slackRTM.IncomingEvents {
 		switch ev := msg.Data.(type) {