MediaBrowser.Server.Implementations/Sorting/DateLastMediaAddedComparer.cs


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using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Sorting;
using MediaBrowser.Model.Querying;
using System;
using System.Linq;

namespace MediaBrowser.Server.Implementations.Sorting
{
    public class DateLastMediaAddedComparer : IUserBaseItemComparer
    {
        /// <summary>
        /// Gets or sets the user.
        /// </summary>
        /// <value>The user.</value>
        public User User { get; set; }

        /// <summary>
        /// Gets or sets the user manager.
        /// </summary>
        /// <value>The user manager.</value>
        public IUserManager UserManager { get; set; }

        /// <summary>
        /// Gets or sets the user data repository.
        /// </summary>
        /// <value>The user data repository.</value>
        public IUserDataManager UserDataRepository { get; set; }

        /// <summary>
        /// Compares the specified x.
        /// </summary>
        /// <param name="x">The x.</param>
        /// <param name="y">The y.</param>
        /// <returns>System.Int32.</returns>
        public int Compare(BaseItem x, BaseItem y)
        {
            return GetDate(x).CompareTo(GetDate(y));
        }

        /// <summary>
        /// Gets the date.
        /// </summary>
        /// <param name="x">The x.</param>
        /// <returns>DateTime.</returns>
        private DateTime GetDate(BaseItem x)
        {
            var folder = x as Folder;

            if (folder != null)
            {
                return folder.GetRecursiveChildren(User, i => !i.IsFolder)
                    .Select(i => i.DateCreated)
                    .OrderByDescending(i => i)
                    .FirstOrDefault();
            }

            return x.DateCreated;
        }

        /// <summary>
        /// Gets the name.
        /// </summary>
        /// <value>The name.</value>
        public string Name
        {
            get { return ItemSortBy.DateLastContentAdded; }
        }
    }
}