public static VideoMessage ToVideoMessage(this IVideoMessage self)
{
if (self.Url == null)
{
throw new InvalidOperationException("The url cannot be null.");
}
if (self.PreviewUrl == null)
{
throw new InvalidOperationException("The preview url cannot be null.");
}
if (self is VideoMessage videoMessage)
{
return(videoMessage);
}
return(new VideoMessage()
{
Url = self.Url,
PreviewUrl = self.PreviewUrl
});
}
internal static VideoMessage Convert(IVideoMessage message)
{
if (message.Url == null)
{
throw new InvalidOperationException("The url cannot be null.");
}
if (message.PreviewUrl == null)
{
throw new InvalidOperationException("The preview url cannot be null.");
}
if (message is VideoMessage videoMessage)
{
return(videoMessage);
}
return(new VideoMessage()
{
Url = message.Url,
PreviewUrl = message.PreviewUrl
});
}
