using Yw.Entity;

namespace IStation.DAL
{
    /// <summary>
    /// 
    /// </summary>
    public partial class BaseDAL_Sorter<T> :
        BaseDAL<T> where T :
        BaseEntity, ISorter, new()
    {
        /// <summary>
        /// 更新排序码
        /// </summary>
        public virtual bool UpdateSortCode(long id, int sortCode)
        {
            if (id < 1)
                return default;
            var list = GetFileObject<List<T>>(FileName);
            if (list == null || list.Count < 1)
                return default;
            var src = list.Find(x => x.ID == id);
            if (src == null)
                return default;
            src.SortCode = sortCode;
            SaveObjectFile(FileName, list);
            return true;
        }

        /// <summary>
        /// 更新排序
        /// </summary>
        public virtual bool UpdateSorter(List<Sorter> sorters)
        {
            if (sorters == null || sorters.Count() < 1)
                return default;
            if (sorters.Exists(x => x.ID < 1))
                return default;
            var list = GetFileObject<List<T>>(FileName);
            if (list == null || list.Count < 1)
                return default;
            list.ForEach(x =>
            {
                var sorter = sorters.Find(s => s.ID == x.ID);
                if (sorter != null)
                {
                    x.SortCode = sorter.SortCode;
                }
            });
            SaveObjectFile(FileName, list);
            return true;
        }


    }
}