chore: Fix bugs pointed out by linter

commands/macro.go

@@ -14,7 +14,7 @@ var (
 )
 
 func handleMacro(dg *discordgo.Session, m *discordgo.MessageCreate, split []string) {
-	for k, _ := range split {
+	for k := range split {
 		split[k] = strings.ToLower(split[k])
 		if val, ok := CommonReplacement[split[k]]; ok {
 			split[k] = val

db/db.go

@@ -18,5 +18,8 @@ func init() {
 }
 
 func Close() {
-	db.Close()
+	err := db.Close()
+	if err != nil {
+		panic(err)
+	}
 }

level/roles.go

@@ -17,7 +17,7 @@ func QueueRoles(dg *discordgo.Session) {
 	for {
 		time.Sleep(5 * time.Second)
 		for guildID, v := range ShouldCheck {
-			for userID, _ := range v {
+			for userID := range v {
 				rank, _ := GetLevelFromXP(db.GetXP(userID))
 				AssignRoles(dg, guildID, userID, rank)
 				delete(v, userID)
@@ -46,6 +46,10 @@ OuterLoop:
 				continue OuterLoop
 			}
 		}
-		dg.GuildMemberRoleAdd(guildID, userID, Roles[i])
+		err := dg.GuildMemberRoleAdd(guildID, userID, Roles[i])
+		if err != nil {
+			util.ReportError(dg, err)
+			return
+		}
 	}
 }

main.go

@@ -42,8 +42,11 @@ func main() {
 	}
 	fmt.Println("Bot is now running.  Press CTRL-C to exit.")
 	sc := make(chan os.Signal, 1)
-	signal.Notify(sc, syscall.SIGINT, syscall.SIGTERM, os.Interrupt, os.Kill)
+	signal.Notify(sc, syscall.SIGINT, syscall.SIGTERM, os.Interrupt)
 	<-sc
-	dg.Close()
+	err = dg.Close()
+	if err != nil {
+		fmt.Println("error closing connection,", err)
+	}
 	db.Close()
 }