using System.Collections.Generic;
using System.Linq;
using CB.Cache;
using CB.Entity;

namespace CB.Data
{
    public partial class Cache
    {
        /// <summary>
        /// 获取图库分类关系列表
        /// </summary>
        /// <returns></returns>
        public static IList<PicClassInfo> GetPicClassList()
        {
            var cache = CBCache.GetCacheService();
            IList<PicClassInfo> list = cache.GetObject(CacheKeys.ColumnPicClassList) as IList<PicClassInfo>;
            if (null == list)
            {
                list = PicClassService.ToList();
                cache.AddObject(CacheKeys.ColumnPicClassList, list);
            }
            return list;
        }

        /// <summary>
        /// 根据图库分类cid 获取关系列表
        /// </summary>
        /// <param name="cid"></param>
        /// <returns></returns>
        public static IList<PicClassInfo> GetPicClassList(int cid)
        {
            var list = GetPicClassList();
            if (null == list || 0 >= list.Count)
                return null;

            return list.Where(item => cid == item.Cid).ToList();
        }
    }
}