Refactor code

pkg/utils/utils.go

@@ -2,9 +2,25 @@ package utils
 
 import (
 	"github.com/jinzhu/copier"
+	"github.com/pkg/errors"
+	"runtime"
+	"strconv"
 )
 
 // copy a by b  b->a
 func CopyStructFields(a interface{}, b interface{}, fields ...string) (err error) {
 	return copier.Copy(a, b)
 }
+
+func Wrap(err error, message string) error {
+	return errors.Wrap(err, "==> "+printCallerNameAndLine()+message)
+}
+
+func WithMessage(err error, message string) error {
+	return errors.WithMessage(err, "==> "+printCallerNameAndLine()+message)
+}
+
+func printCallerNameAndLine() string {
+	pc, _, line, _ := runtime.Caller(2)
+	return runtime.FuncForPC(pc).Name() + "()@" + strconv.Itoa(line) + ": "
+}