/// <summary>
/// Initiate a new <see cref="MediaElement"/> class using an attachment ID.
/// </summary>
/// <param name="mediaType">The media type.</param>
/// <param name="attachmentId">The attachment ID.</param>
/// <param name="button">An optional button below the media.</param>
/// <returns></returns>
public static MediaElement CreateByAttachmentId(MediaElementType mediaType, string attachmentId, Button button = null)
{
if (attachmentId == null)
{
throw new ValueException("Attachment ID must be set.");
}
return(new MediaElement(GetMediaElementTypeString(mediaType), attachmentId, null, button));
}
/// <summary>
/// Returns the string representation of <see cref="MediaElementType"/>.
/// </summary>
/// <param name="type">The type as an enum.</param>
/// <returns></returns>
private static string GetMediaElementTypeString(MediaElementType type)
{
switch (type)
{
case MediaElementType.Image:
return("image");
case MediaElementType.Video:
return("video");
default:
throw new MediaElementTypeNotSupportedException(type);
}
}
/// <summary>
/// Initiate a new <see cref="MediaElement"/> class using a URL.
/// </summary>
/// <param name="mediaType">The media type.</param>
/// <param name="mediaUrl">The media URL.</param>
/// <param name="button">An optional button below the media.</param>
/// <returns></returns>
public static MediaElement CreateByMediaUrl(MediaElementType mediaType, string mediaUrl, Button button = null)
{
if (!Uri.TryCreate(mediaUrl, UriKind.Absolute, out var validUrl))
{
throw new ValueException("Media URL must be set and valid.");
}
if (validUrl.Host != "www.facebook.com" && validUrl.Host != "business.facebook.com")
{
throw new ValueException("URL must be a Facebook URL.");
}
return(new MediaElement(GetMediaElementTypeString(mediaType), null, validUrl, button));
}
public MediaElementTypeNotSupportedException(MediaElementType type)
: base($"Invalid media type for media element: {type.ToString()}")
{
}
