Move settings routines to separate internal module

util.go

@@ -7,6 +7,8 @@ import (
 	"path/filepath"
 	"syscall"
 
+	"aleesa-irc-go/internal/setting"
+
 	"github.com/hjson/hjson-go"
 	log "github.com/sirupsen/logrus"
 )
@@ -239,16 +241,12 @@ func sigHandler() {
 
 		log.Debug("Close irc connection")
 		ircClient.Quit()
+
 		log.Debug("Close userModeDB")
 		userMode.Close()
 
-		if len(settingsDB) > 0 {
-			log.Debug("Closing runtime irc channel settings db")
-
-			for _, db := range settingsDB {
-				_ = db.Close()
-			}
-		}
+		log.Debug("Close settingsDB")
+		setting.CloseAll()
 
 		os.Exit(0)
 	}