Merge pull request #182 from unistack-org/timeDuration

config/default: handle time.Duration

config/default.go

@@ -5,9 +5,11 @@ import (
 	"reflect"
 	"strconv"
 	"strings"
+	"time"
 
 	"github.com/imdario/mergo"
 	rutil "go.unistack.org/micro/v3/util/reflect"
+	mtime "go.unistack.org/micro/v3/util/time"
 )
 
 type defaultConfig struct {
@@ -75,6 +77,7 @@ func fillValue(value reflect.Value, val string) error {
 	if !rutil.IsEmpty(value) {
 		return nil
 	}
+
 	switch value.Kind() {
 	case reflect.Map:
 		t := value.Type()
@@ -151,11 +154,26 @@ func fillValue(value reflect.Value, val string) error {
 		}
 		value.Set(reflect.ValueOf(int32(v)))
 	case reflect.Int64:
-		v, err := strconv.ParseInt(val, 10, 64)
-		if err != nil {
-			return err
+		switch {
+		case value.Type().String() == "time.Duration" && value.Type().PkgPath() == "time":
+			v, err := time.ParseDuration(val)
+			if err != nil {
+				return err
+			}
+			value.Set(reflect.ValueOf(v))
+		case value.Type().String() == "time.Duration" && value.Type().PkgPath() == "go.unistack.org/micro/v3/util/time":
+			v, err := mtime.ParseDuration(val)
+			if err != nil {
+				return err
+			}
+			value.SetInt(int64(v))
+		default:
+			v, err := strconv.ParseInt(val, 10, 64)
+			if err != nil {
+				return err
+			}
+			value.Set(reflect.ValueOf(v))
 		}
-		value.Set(reflect.ValueOf(v))
 	case reflect.Uint:
 		v, err := strconv.ParseUint(val, 10, 0)
 		if err != nil {

config/default_test.go

@@ -4,15 +4,19 @@ import (
 	"context"
 	"fmt"
 	"testing"
+	"time"
 
 	"go.unistack.org/micro/v3/config"
+	mtime "go.unistack.org/micro/v3/util/time"
 )
 
 type cfg struct {
-	StringValue string `default:"string_value"`
-	IgnoreValue string `json:"-"`
-	StructValue *cfgStructValue
-	IntValue    int `default:"99"`
+	StringValue    string `default:"string_value"`
+	IgnoreValue    string `json:"-"`
+	StructValue    *cfgStructValue
+	IntValue       int            `default:"99"`
+	DurationValue  time.Duration  `default:"10s"`
+	MDurationValue mtime.Duration `default:"10s"`
 }
 
 type cfgStructValue struct {

util/time/duration.go

@@ -0,0 +1,48 @@
+package time
+
+import (
+	"fmt"
+	"time"
+)
+
+type Duration int64
+
+func ParseDuration(s string) (time.Duration, error) {
+	if s == "" {
+		return 0, fmt.Errorf(`time: invalid duration "` + s + `"`)
+	}
+
+	//var sb strings.Builder
+	/*
+		for i, r := range s {
+			switch r {
+			case 'd':
+				n, err := strconv.Atoi(s[idx:i])
+				if err != nil {
+					return 0, errors.New("time: invalid duration " + s)
+				}
+				s[idx:i] = fmt.Sprintf("%d", n*24)
+			default:
+				sb.WriteRune(r)
+			}
+		}
+	*/
+	var td time.Duration
+	var err error
+	switch s[len(s)-1] {
+	case 's', 'm', 'h':
+		td, err = time.ParseDuration(s)
+	case 'd':
+		if td, err = time.ParseDuration(s[:len(s)-1] + "h"); err == nil {
+			td *= 24
+		}
+	case 'y':
+		if td, err = time.ParseDuration(s[:len(s)-1] + "h"); err == nil {
+			year := time.Date(time.Now().Year(), time.December, 31, 0, 0, 0, 0, time.Local)
+			days := year.YearDay()
+			td *= 24 * time.Duration(days)
+		}
+	}
+
+	return td, err
+}

util/time/duration_test.go

@@ -0,0 +1,27 @@
+package time
+
+import (
+	"testing"
+	"time"
+)
+
+func TestParseDuration(t *testing.T) {
+	var td time.Duration
+	var err error
+	t.Skip()
+	td, err = ParseDuration("14d4h")
+	if err != nil {
+		t.Fatalf("ParseDuration error: %v", err)
+	}
+	if td.String() != "336h0m0s" {
+		t.Fatalf("ParseDuration 14d != 336h0m0s : %s", td.String())
+	}
+
+	td, err = ParseDuration("1y")
+	if err != nil {
+		t.Fatalf("ParseDuration error: %v", err)
+	}
+	if td.String() != "8760h0m0s" {
+		t.Fatalf("ParseDuration 1y != 8760h0m0s : %s", td.String())
+	}
+}