chore: using erros properly

core/server/server.go

@@ -1,7 +1,6 @@
 package server
 
 import (
-	"errors"
 	"fmt"
 	"net"
 	"os"
@@ -14,10 +13,9 @@ import (
 	parser "github.com/zurvan-lab/TimeTrace/core/TQL/parser"
 	"github.com/zurvan-lab/TimeTrace/core/database"
 	ttlogger "github.com/zurvan-lab/TimeTrace/log"
+	"github.com/zurvan-lab/TimeTrace/utils/errors"
 )
 
-var ErrAuth = errors.New("authentication error")
-
 type Server struct {
 	ListenAddress     string
 	Listener          net.Listener
@@ -154,14 +152,14 @@ func (s *Server) Authenticate(conn net.Conn) (*config.User, error) {
 	if query.Command != "CON" {
 		_ = conn.Close()
 
-		return nil, ErrAuth
+		return nil, errors.ErrAuth
 	}
 
 	result := execute.Execute(query, s.db)
 	if result != database.DONE {
 		_ = conn.Close()
 
-		return nil, ErrAuth
+		return nil, errors.ErrAuth
 	}
 
 	_, _ = conn.Write([]byte(result))

utils/errors/errors.go

@@ -3,7 +3,11 @@ package errors
 import "errors"
 
 var (
+	// config
 	ErrInavlidConfigPath               = errors.New("invalid config path")
 	ErrInvalidUsers                    = errors.New("invalid user(s)")
 	ErrSpecificAndAllCommandSameAtTime = errors.New("can't have all cmds and specific cmd at same time")
+
+	// server
+	ErrAuth = errors.New("authentication error")
 )