bot: add icon and name to slack messages

config/config.go

@@ -35,6 +35,7 @@ type Config struct {
 		Token string
 	}
 	Nick        string
+	IconURL     string
 	FullName    string
 	Version     string
 	CommandChar []string

example_config.lua

@@ -7,6 +7,7 @@ config = {
 	  MaxBatchAdd = 10
 	},
 	Nick = "CatBaseTest",
+	IconURL = "http://placekitten.com/g/200/300",
 	LeftPad = {
 	  Who = "person",
 	  MaxLen = 50

slack/slack.go

@@ -16,9 +16,10 @@ import (
 	"regexp"
 	"strconv"
 	"strings"
+
 	// "sync/atomic"
-	"time"
 	"context"
+	"time"
 
 	"github.com/velour/catbase/bot"
 	"github.com/velour/catbase/bot/msg"
@@ -209,9 +210,13 @@ func (s *Slack) SendMessageType(channel, message string, meMessage bool) (string
 		postUrl = "https://slack.com/api/chat.meMessage"
 	}
 
+	nick := s.config.Nick
+	icon := s.config.IconURL
+
 	resp, err := http.PostForm(postUrl,
 		url.Values{"token": {s.config.Slack.Token},
-			"as_user": {"true"},
+			"username": {nick},
+			"icon_url": {icon},
 			"channel":  {channel},
 			"text":     {message},
 		})
@@ -264,9 +269,13 @@ func (s *Slack) SendAction(channel, message string) string {
 }
 
 func (s *Slack) ReplyToMessageIdentifier(channel, message, identifier string) (string, bool) {
+	nick := s.config.Nick
+	icon := s.config.IconURL
+
 	resp, err := http.PostForm("https://slack.com/api/chat.postMessage",
 		url.Values{"token": {s.config.Slack.Token},
-			"as_user":   {"true"},
+			"username":  {nick},
+			"icon_url":  {icon},
 			"channel":   {channel},
 			"text":      {message},
 			"thread_ts": {identifier},