internal static CarouselTemplate Convert(ICarouselTemplate template)
{
if (!(template is CarouselTemplate carouselTemplate))
{
carouselTemplate = new CarouselTemplate();
}
if (template.Columns == null)
{
throw new InvalidOperationException("The columns cannot be null.");
}
carouselTemplate.Columns = CarouselColumn.Convert(template.Columns);
return(carouselTemplate);
}
public static CarouselTemplate ToCarouselTemplate(this ICarouselTemplate self)
{
CarouselTemplate carouselTemplate = self as CarouselTemplate;
if (carouselTemplate == null)
{
carouselTemplate = new CarouselTemplate();
}
if (self.Columns == null)
{
throw new InvalidOperationException("The columns cannot be null.");
}
carouselTemplate.Columns = self.Columns.ToCarouselColumn().ToArray();
return(carouselTemplate);
}
public void Convert_TemplateMessageWithCarouselTemplate_InstanceIsPreserved()
{
TemplateMessage message = new TemplateMessage()
{
AlternativeText = "Alternative",
Template = new CarouselTemplate()
{
Columns = new ICarouselColumn[]
{
new CarouselColumn()
{
ThumbnailUrl = new Uri("https://foo.bar"),
Title = "CarouselTitle",
Text = "CarouselText",
Actions = new ITemplateAction[]
{
new MessageAction()
{
Label = "PostbackLabel",
Text = "PostbackText"
}
}
}
}
}
};
ISendMessage[] messages = MessageConverter.Convert(new ISendMessage[] { message });
Assert.AreEqual(1, messages.Length);
ITemplateMessage templateMessage = messages[0] as ITemplateMessage;
Assert.AreEqual(message, templateMessage);
ICarouselTemplate buttonsTemplate = templateMessage.Template as ICarouselTemplate;
Assert.AreEqual(message.Template, buttonsTemplate);
ICarouselColumn column = buttonsTemplate.Columns.First();
Assert.AreEqual(column, ((CarouselTemplate)message.Template).Columns.First());
}