// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.

namespace System.Web.Helpers
{
    internal sealed class SortInfo : IEquatable<SortInfo>
    {
        public string SortColumn { get; set; }

        public SortDirection SortDirection { get; set; }

        public bool Equals(SortInfo other)
        {
            return other != null
                   && String.Equals(SortColumn, other.SortColumn, StringComparison.OrdinalIgnoreCase)
                   && SortDirection == other.SortDirection;
        }

        public override bool Equals(object obj)
        {
            SortInfo sortInfo = obj as SortInfo;
            if (sortInfo != null)
            {
                return Equals(sortInfo);
            }
            return base.Equals(obj);
        }

        public override int GetHashCode()
        {
            return SortColumn.GetHashCode();
        }
    }
}
