Add function to create a new date construct

date.go

@@ -10,6 +10,14 @@ type Date struct {
 	DateTime string
 }
 
+func DateTime(t time.Time) string {
+	return string(t.Format(time.RFC3339))
+}
+
+func NewDate(t time.Time) *Date {
+	return &Date{DateTime: DateTime(t)}
+}
+
 func (d *Date) Check() error {
 	if d.DateTime == "" {
 		return errors.New("date time element of date is empty")
@@ -17,7 +25,3 @@ func (d *Date) Check() error {
 
 	return nil
 }
-
-func DateTime(t time.Time) string {
-	return string(t.Format(time.RFC3339))
-}