public bool Next(CancellationToken ct, out IEnumerable <IArticle> result)
{
result = null;
IEnumerable <DCInsideArticle> articles;
if (!board.GetArticleList(page, viewRecommend, ct, out articles))
{
throw new Exception();
}
// 성공했으면 다음에 읽을 page를 하나 올려준다
page++;
var resultList = new List <IArticle>();
int minID = int.MaxValue;
foreach (var article in articles)
{
int id = int.Parse(article.ID);
if (id < minID)
{
minID = id;
}
if (id < lastArticleID)
{
resultList.Add(article);
}
}
lastArticleID = minID;
result = resultList;
return(true);
}