public EditArticleCommand(Article origin, Article updated)
{
_origin = origin;
_originCopy = _origin.Copy();
_updated = updated;
}
public void Save(Article article)
{
#region argument checking
if (article == null)
{
throw new ArgumentNullException("article");
}
if (article.Owner == null)
{
throw new InvalidOperationException("article.Owner");
}
#endregion
Article updatedArticle = null;
if (article.Id == 0)
{
updatedArticle = ArticleStore.Instance.Save(this.Id, article);
}
else
{
updatedArticle = ArticleStore.Instance.Update(this.Id, article);
}
if (updatedArticle != null)
{
article.Copy(updatedArticle);
article.IsDirty = false;
}
}