Start refactoring

common.go

@@ -3,24 +3,17 @@ package main
 import (
 	"io"
 	"log"
-	"opensavecloudserver/config"
-	"opensavecloudserver/database"
 	"os"
 )
 
-func InitCommon() {
+func initLogger() (err error) {
 	f, err := os.OpenFile("server.log", os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
 	if err != nil {
-		log.Fatalf("error opening file: %v", err)
+		return err
 	}
 	defer func(f *os.File) {
-		err := f.Close()
-		if err != nil {
-			log.Println(err)
-		}
+		err = f.Close()
 	}(f)
 	log.SetOutput(io.MultiWriter(os.Stdout, f))
-
-	config.Init()
-	database.Init()
+	return nil
 }