public static ICarouselColumn ToCarouselColumn(this ICarouselColumn self)
{
if (self.Text == null)
{
throw new InvalidOperationException("The text cannot be null.");
}
CarouselColumn carouselColumn = self as CarouselColumn;
if (carouselColumn == null)
{
carouselColumn = new CarouselColumn()
{
ThumbnailUrl = self.ThumbnailUrl,
Title = self.Title,
Text = self.Text,
};
}
if (self.Actions == null)
{
throw new InvalidOperationException("The actions cannot be null.");
}
carouselColumn.Actions = self.Actions.ToTemplateAction().ToArray();
return(carouselColumn);
}
private static CarouselColumn Convert(ICarouselColumn column)
{
if (column.Text == null)
{
throw new InvalidOperationException("The text cannot be null.");
}
if (!(column is CarouselColumn carouselColumn))
{
carouselColumn = new CarouselColumn()
{
ThumbnailUrl = column.ThumbnailUrl,
Title = column.Title,
Text = column.Text,
};
}
if (column.Actions == null)
{
throw new InvalidOperationException("The actions cannot be null.");
}
carouselColumn.Actions = TemplateAction.Convert(column.Actions);
return(carouselColumn);
}
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());
}
