/// <summary>
/// エンティティを変換する
/// </summary>
/// <param name="textReader"></param>
/// <param name="rawEntity"></param>
/// <returns></returns>
private static IEntity CreateEntity(SequentialSurrogateTextReader textReader, TwitterApi.EntityBase rawEntity)
{
var content = textReader.Content;
int startIndex = textReader.RawCursor;
int length = textReader.GetRawLength(rawEntity.IndexEnd - rawEntity.IndexStart);
return(rawEntity switch
{
TwitterApi.HashtagEntity hashtag => new HashtagEntity(content.Substring(startIndex, length), hashtag),
TwitterApi.MediaEntity media => new MediaEntity(media),
TwitterApi.UrlEntity url => new UrlEntity(url),
TwitterApi.UserMentionEntity user => new MentionEntity(content.Substring(startIndex, length), user),
_ => throw new NotImplementedException(),
});
public Attachment(TwitterApi.MediaEntity media)
{
this.Id = media.Id;
this.Url = media.Url;
this.PreviewUrl = media.MediaUrl;
this.Description = media.Unwound?.Description;
this.Type = TwitterValueConverter.ToAttachmentType(media.Type);
if (!media.VideoInfo.HasValue)
{
this.OriginalUrl = media.MediaUrl;
}
else
{
var videoList = media.VideoInfo.Value.Variants;
var videoItem = videoList
.Where(video => video.ContentType.Equals("video/mp4"))
.FirstOrDefault();
this.OriginalUrl = videoItem.Url;
}
}