Add minutes value object

date/minutes.go

@@ -0,0 +1,31 @@
+package date
+
+import (
+	"math"
+	"time"
+)
+
+type Minutes struct {
+	duration time.Duration
+}
+
+func NewMinutes(i int) Minutes {
+	return Minutes{duration: time.Duration(i) * time.Minute}
+}
+
+func ParseMinutes(s string) (Minutes, error) {
+	d, err := time.ParseDuration(s)
+	if err != nil {
+		return Minutes{}, err
+	}
+
+	return Minutes{duration: d.Truncate(time.Minute)}, nil
+}
+
+func (m Minutes) Value() int {
+	return int(math.Min(m.duration.Minutes(), math.MaxInt32))
+}
+
+func (m Minutes) String() string {
+	return m.duration.String()
+}

date/minutes_test.go

@@ -0,0 +1,37 @@
+package date_test
+
+import (
+	"github.com/leanovate/mite-go/date"
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
+
+func Test_ParseMinutes(t *testing.T) {
+	expected := date.NewMinutes(23)
+	actual, err := date.ParseMinutes("23m")
+
+	assert.Nil(t, err)
+	assert.Equal(t, expected, actual)
+
+	actual, err = date.ParseMinutes("23m11s")
+
+	assert.Nil(t, err)
+	assert.Equal(t, expected, actual)
+
+	_, err = date.ParseMinutes("1970-01-01")
+	assert.NotNil(t, err)
+}
+
+func TestMinutes_Value(t *testing.T) {
+	expected := 23
+	actual := date.NewMinutes(23).Value()
+
+	assert.Equal(t, expected, actual)
+}
+
+func TestMinutes_String(t *testing.T) {
+	expected := "23m0s"
+	actual := date.NewMinutes(23).String()
+
+	assert.Equal(t, expected, actual)
+}