rest: Add posix-millis field for easier date parsing

CHANGELOG.md

@@ -4,6 +4,12 @@ Change Log
 All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 
+## [Unreleased]
+
+### Added
+- `posix-millis` field to REST message and header responses for easier date
+  parsing.
+
 
 ## [v2.1.0-beta1]
 

pkg/rest/apiv1_controller.go

@@ -37,6 +37,7 @@ func MailboxListV1(w http.ResponseWriter, req *http.Request, ctx *web.Context) (
 			To:          stringutil.StringAddressList(msg.To),
 			Subject:     msg.Subject,
 			Date:        msg.Date,
+			PosixMillis: msg.Date.UnixNano() / 1000000,
 			Size:        msg.Size,
 			Seen:        msg.Seen,
 		}
@@ -83,6 +84,7 @@ func MailboxShowV1(w http.ResponseWriter, req *http.Request, ctx *web.Context) (
 			To:          stringutil.StringAddressList(msg.To),
 			Subject:     msg.Subject,
 			Date:        msg.Date,
+			PosixMillis: msg.Date.UnixNano() / 1000000,
 			Size:        msg.Size,
 			Seen:        msg.Seen,
 			Header:      msg.Header(),

pkg/rest/apiv1_controller_test.go

@@ -112,6 +112,7 @@ func TestRestMailboxList(t *testing.T) {
 	decodedStringEquals(t, result, "[0]/to/[0]", "<to1@host>")
 	decodedStringEquals(t, result, "[0]/subject", "subject 1")
 	decodedStringEquals(t, result, "[0]/date", "2012-02-01T10:11:12.000000253-08:00")
+	decodedNumberEquals(t, result, "[0]/posix-millis", 1328119872000)
 	decodedNumberEquals(t, result, "[0]/size", 0)
 	decodedBoolEquals(t, result, "[0]/seen", false)
 	decodedStringEquals(t, result, "[1]/mailbox", "good")
@@ -120,6 +121,7 @@ func TestRestMailboxList(t *testing.T) {
 	decodedStringEquals(t, result, "[1]/to/[0]", "<to1@host>")
 	decodedStringEquals(t, result, "[1]/subject", "subject 2")
 	decodedStringEquals(t, result, "[1]/date", "2012-07-01T10:11:12.000000253-07:00")
+	decodedNumberEquals(t, result, "[1]/posix-millis", 1341162672000)
 	decodedNumberEquals(t, result, "[1]/size", 0)
 	decodedBoolEquals(t, result, "[1]/seen", false)
 
@@ -221,6 +223,7 @@ func TestRestMessage(t *testing.T) {
 	decodedStringEquals(t, result, "to/[0]", "<to1@host>")
 	decodedStringEquals(t, result, "subject", "subject 1")
 	decodedStringEquals(t, result, "date", "2012-02-01T10:11:12.000000253-08:00")
+	decodedNumberEquals(t, result, "posix-millis", 1328119872000)
 	decodedNumberEquals(t, result, "size", 0)
 	decodedBoolEquals(t, result, "seen", true)
 	decodedStringEquals(t, result, "body/text", "This is some text")

pkg/rest/model/apiv1_model.go

@@ -12,6 +12,7 @@ type JSONMessageHeaderV1 struct {
 	To          []string  `json:"to"`
 	Subject     string    `json:"subject"`
 	Date        time.Time `json:"date"`
+	PosixMillis int64     `json:"posix-millis"`
 	Size        int64     `json:"size"`
 	Seen        bool      `json:"seen"`
 }
@@ -24,6 +25,7 @@ type JSONMessageV1 struct {
 	To          []string                   `json:"to"`
 	Subject     string                     `json:"subject"`
 	Date        time.Time                  `json:"date"`
+	PosixMillis int64                      `json:"posix-millis"`
 	Size        int64                      `json:"size"`
 	Seen        bool                       `json:"seen"`
 	Body        *JSONMessageBodyV1         `json:"body"`

pkg/rest/socketv1_controller.go

@@ -116,6 +116,7 @@ func (ml *msgListener) WSWriter(conn *websocket.Conn) {
 				To:          msg.To,
 				Subject:     msg.Subject,
 				Date:        msg.Date,
+				PosixMillis: msg.Date.UnixNano() / 1000000,
 				Size:        msg.Size,
 			}
 			if conn.WriteJSON(header) != nil {

pkg/rest/testutils_test.go

@@ -79,12 +79,14 @@ func decodedNumberEquals(t *testing.T, json interface{}, path string, want float
 		t.Errorf("JSON result%s", msg)
 		return
 	}
-	if got, ok := val.(float64); ok {
+	got, ok := val.(float64)
+	if ok {
 		if got == want {
 			return
 		}
 	}
-	t.Errorf("JSON result/%s == %v (%T), want: %v", path, val, val, want)
+	t.Errorf("JSON result/%s == %v (%T) %v (int64),\nwant: %v / %v",
+		path, val, val, int64(got), want, int64(want))
 }
 
 func decodedStringEquals(t *testing.T, json interface{}, path string, want string) {

pkg/webui/mailbox_controller.go

@@ -23,6 +23,7 @@ type JSONMessage struct {
 	To          []string            `json:"to"`
 	Subject     string              `json:"subject"`
 	Date        time.Time           `json:"date"`
+	PosixMillis int64               `json:"posix-millis"`
 	Size        int64               `json:"size"`
 	Seen        bool                `json:"seen"`
 	Header      map[string][]string `json:"header"`
@@ -81,6 +82,7 @@ func MailboxMessage(w http.ResponseWriter, req *http.Request, ctx *web.Context)
 			To:          stringutil.StringAddressList(msg.To),
 			Subject:     msg.Subject,
 			Date:        msg.Date,
+			PosixMillis: msg.Date.UnixNano() / 1000000,
 			Size:        msg.Size,
 			Seen:        msg.Seen,
 			Header:      msg.Header(),