add missing properties to message request (#318)

Author: shaljam

message.go

@@ -93,13 +93,16 @@ func (m *Message) toRequest() messageRequest {
 	var req messageRequest
 
 	req.Message = messageRequestMessage{
+		ID:                   m.ID,
 		Text:                 m.Text,
 		Type:                 m.Type,
 		Attachments:          m.Attachments,
 		UserID:               m.UserID,
 		ExtraData:            m.ExtraData,
+		HTML:                 m.HTML,
 		Pinned:               m.Pinned,
 		ParentID:             m.ParentID,
+		MML:                  m.MML,
 		ShowInChannel:        m.ShowInChannel,
 		Silent:               m.Silent,
 		QuotedMessageID:      m.QuotedMessageID,
@@ -128,14 +131,17 @@ type messageRequest struct {
 
 type messageRequestMessage struct {
 	Text                 string                 `json:"text"`
+	ID                   string                 `json:"id,omitempty"`
 	Type                 MessageType            `json:"type" validate:"omitempty,oneof=system"`
 	Attachments          []*Attachment          `json:"attachments"`
 	UserID               string                 `json:"user_id"`
 	MentionedUsers       []string               `json:"mentioned_users"`
+	MML                  string                 `json:"mml,omitempty"`
 	ParentID             string                 `json:"parent_id"`
 	ShowInChannel        bool                   `json:"show_in_channel"`
 	Silent               bool                   `json:"silent"`
 	QuotedMessageID      string                 `json:"quoted_message_id"`
+	HTML                 string                 `json:"html,omitempty"`
 	Pinned               bool                   `json:"pinned,omitempty"`
 	RestrictedVisibility []string               `json:"restricted_visibility"`
 	ExtraData            map[string]interface{} `json:"-"`

message_test.go

@@ -24,6 +24,27 @@ func TestClient_TranslateMessage(t *testing.T) {
 	require.Equal(t, "mensaje de prueba", translated.Message.I18n["es_text"])
 }
 
+func TestClient_SendMessage(t *testing.T) {
+	c := initClient(t)
+	user := randomUser(t, c)
+
+	ctx := context.Background()
+
+	ch := initChannel(t, c, user.ID)
+	resp1, err := c.CreateChannel(ctx, ch.Type, ch.ID, user.ID, nil)
+	require.NoError(t, err)
+
+	msg := &Message{ID: randomString(10), Text: "test message", MML: "test mml", HTML: "test HTML"}
+	messageResp, err := resp1.Channel.SendMessage(ctx, msg, user.ID)
+	require.NoError(t, err)
+	require.Equal(t, ch.CID, messageResp.Message.CID)
+	require.Equal(t, user.ID, messageResp.Message.User.ID)
+	require.Equal(t, msg.ID, messageResp.Message.ID)
+	require.Equal(t, msg.Text, messageResp.Message.Text)
+	require.Equal(t, msg.MML, messageResp.Message.MML)
+	require.Equal(t, msg.HTML, messageResp.Message.HTML)
+}
+
 func TestClient_SendMessage_Pending(t *testing.T) {
 	c := initClient(t)
 	user := randomUser(t, c)