public async Task <List <PostInfo> > GetRecentPostAsync(int count)
{
using (MVCBlogContext Context = new MVCBlogContext())
{
Func <List <int> > GetIds = () =>
{
return(Context.PostInfo.OrderByDescending(x => x.Id).Take(count).Select(x => x.Id).ToList());
};
//var res = Context.PostInfo.OrderByDescending(x => x.Id).Take(count).Select(x => x.Id).ToList();
var res = await GetIds.StartAsync <List <int> >();
if (res != null && res.Count > 0)
{
List <PostInfo> list = new List <PostInfo>();
foreach (var item in res)
{
string key = RedisKeyHelper.GetPostKey(item);
Func <PostInfo> GetDb = () => GetFromDB(item);
PostInfo info = RedisHelper.GetEntity <PostInfo>(key, GetDb);
list.Add(info);
}
return(list);
}
return(new List <PostInfo>());
}
}
public override string GetModelKey(int id)
{
return(RedisKeyHelper.GetPostKey(id));
}