// GET: Articles
public ActionResult Index(string sort,string filter)
{
var query = db.Articles.AsQueryable(); //データソース
// filter
if(!string.IsNullOrEmpty(filter)) {
query = query.Where(a => a.Title.Contains(filter) || a.Description.Contains(filter));
}
Article article = null;
SortDefinition<Article> sort_def = new SortDefinition<Article>() {
Fields = new[] { //ソート列定義
article.DefineSort(a=>a.Url),
article.DefineSort(a=>a.Title),
article.DefineSort(a=>a.Description),
article.DefineSort(a=>a.Viewcount),
article.DefineSort(a=>a.Published),
article.DefineSort(a=>a.Released),
},
SortKey=sort
};
query=sort_def.AddOrderBy(query);
ViewBag.SortDef = sort_def; //リンク作成用にソート定義を渡す
ViewBag.InputedFilter = filter; //入力されたフィルター
return View(query.ToList()); //ソート済み結果をViewに返す。
}
public void SortDefinition_Test1()
{
var data = this.TestData1(10);
Article article = null;
SortDefinition<Article> sort_def = new SortDefinition<Article>() {
Fields=new[]{ //ソート列定義
article.DefineSort(a=>a.Title),
article.DefineSort(a=>a.Viewcount),
article.DefineSort(a=>a.Published)
},
SortKey = "Title" //ソート対象
};
data= sort_def.AddOrderBy(data); //かつてループだったところ
var result = data.ToArray();
for (var i = 0; i < 10; i++) {
Assert.AreEqual(i, result[i].Viewcount);
}
}
