Templates fields, additional validation in UpdateTemplate

v1/client.go

@@ -136,6 +136,10 @@ func (c *MgClient) ActivateTemplate(channelID uint64, request ActivateTemplateRe
 func (c *MgClient) UpdateTemplate(request Template) (int, error) {
 	outgoing, _ := json.Marshal(&request)
 
+	if request.ChannelID == 0 || request.Code == "" {
+		return 0, errors.New("`ChannelID` and `Code` cannot be blank")
+	}
+
 	data, status, err := c.PutRequest(fmt.Sprintf("/channels/%d/templates/%s", request.ChannelID, request.Code), outgoing)
 	if err != nil {
 		return status, err

v1/client_test.go

@@ -329,6 +329,32 @@ func TestMgClient_UpdateTemplate(t *testing.T) {
 	}
 }
 
+func TestMgClient_UpdateTemplateFail(t *testing.T) {
+	c := client()
+	tpl := Template{
+		Name:    "updated name",
+		Enabled: true,
+		Type:    TemplateTypeText,
+		Template: []TemplateItem{
+			{
+				Type: TemplateItemTypeText,
+				Text: "Welcome ",
+			},
+			{
+				Type:    TemplateItemTypeVar,
+				VarType: TemplateVarFirstName,
+			},
+			{
+				Type: TemplateItemTypeText,
+				Text: "!",
+			},
+		},
+	}
+
+	status, err := c.UpdateTemplate(tpl)
+	assert.Error(t, err, fmt.Sprintf("%d %s", status, err))
+}
+
 func TestMgClient_DeactivateTemplate(t *testing.T) {
 	c := client()
 	status, err := c.DeactivateTemplate(templateChannel(t), tplCode)

v1/types.go

@@ -314,6 +314,8 @@ type WebhookData struct {
 	Product           *MessageDataProduct `json:"product,omitempty"`
 	Order             *MessageDataOrder   `json:"order,omitempty"`
 	Items             *[]FileItem         `json:"items,omitempty"`
+	TemplateCode      string              `json:"template_code,omitempty"`
+	TemplateArgs      []string            `json:"template_args,omitempty"`
 }
 
 // FileItem struct