Support time location on form binding (#1117)

binding/form_mapping.go

@@ -163,6 +163,14 @@ func setTimeField(val string, structField reflect.StructField, value reflect.Val
 		l = time.UTC
 	}
 
+	if locTag := structField.Tag.Get("time_location"); locTag != "" {
+		loc, err := time.LoadLocation(locTag)
+		if err != nil {
+			return err
+		}
+		l = loc
+	}
+
 	t, err := time.ParseInLocation(timeFormat, val, l)
 	if err != nil {
 		return err

context_test.go

@@ -45,6 +45,7 @@ func createMultipartRequest() *http.Request {
 	must(mw.WriteField("id", ""))
 	must(mw.WriteField("time_local", "31/12/2016 14:55"))
 	must(mw.WriteField("time_utc", "31/12/2016 14:55"))
+	must(mw.WriteField("time_location", "31/12/2016 14:55"))
 	req, err := http.NewRequest("POST", "/", body)
 	must(err)
 	req.Header.Set("Content-Type", MIMEMultipartPOSTForm+"; boundary="+boundary)
@@ -444,14 +445,15 @@ func TestContextPostFormMultipart(t *testing.T) {
 	c.Request = createMultipartRequest()
 
 	var obj struct {
-		Foo       string    `form:"foo"`
-		Bar       string    `form:"bar"`
-		BarAsInt  int       `form:"bar"`
-		Array     []string  `form:"array"`
-		ID        string    `form:"id"`
-		TimeLocal time.Time `form:"time_local" time_format:"02/01/2006 15:04"`
-		TimeUTC   time.Time `form:"time_utc" time_format:"02/01/2006 15:04" time_utc:"1"`
-		BlankTime time.Time `form:"blank_time" time_format:"02/01/2006 15:04"`
+		Foo          string    `form:"foo"`
+		Bar          string    `form:"bar"`
+		BarAsInt     int       `form:"bar"`
+		Array        []string  `form:"array"`
+		ID           string    `form:"id"`
+		TimeLocal    time.Time `form:"time_local" time_format:"02/01/2006 15:04"`
+		TimeUTC      time.Time `form:"time_utc" time_format:"02/01/2006 15:04" time_utc:"1"`
+		TimeLocation time.Time `form:"time_location" time_format:"02/01/2006 15:04" time_location:"Asia/Tokyo"`
+		BlankTime    time.Time `form:"blank_time" time_format:"02/01/2006 15:04"`
 	}
 	assert.NoError(t, c.Bind(&obj))
 	assert.Equal(t, obj.Foo, "bar")
@@ -463,6 +465,9 @@ func TestContextPostFormMultipart(t *testing.T) {
 	assert.Equal(t, obj.TimeLocal.Location(), time.Local)
 	assert.Equal(t, obj.TimeUTC.Format("02/01/2006 15:04"), "31/12/2016 14:55")
 	assert.Equal(t, obj.TimeUTC.Location(), time.UTC)
+	loc, _ := time.LoadLocation("Asia/Tokyo")
+	assert.Equal(t, obj.TimeLocation.Format("02/01/2006 15:04"), "31/12/2016 14:55")
+	assert.Equal(t, obj.TimeLocation.Location(), loc)
 	assert.True(t, obj.BlankTime.IsZero())
 
 	value, ok := c.GetQuery("foo")