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using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization;
using MediaBrowser.Model.Users;
namespace MediaBrowser.Model.Entities
{
public class Folder : BaseItem
{
public bool IsRoot { get; set; }
public bool IsVirtualFolder
{
get
{
return Parent != null && Parent.IsRoot;
}
}
[IgnoreDataMember]
public BaseItem[] Children { get; set; }
/// <summary>
/// Gets allowed children of an item
/// </summary>
public IEnumerable<BaseItem> GetParentalAllowedChildren(User user)
{
return Children.Where(c => c.IsParentalAllowed(user));
}
/// <summary>
/// Gets allowed recursive children of an item
/// </summary>
public IEnumerable<BaseItem> GetParentalAllowedRecursiveChildren(User user)
{
foreach (var item in GetParentalAllowedChildren(user))
{
yield return item;
var subFolder = item as Folder;
if (subFolder != null)
{
foreach (var subitem in subFolder.GetParentalAllowedRecursiveChildren(user))
{
yield return subitem;
}
}
}
}
/// <summary>
/// Finds all recursive items within a top-level parent that contain the given genre and are allowed for the current user
/// </summary>
public IEnumerable<BaseItem> GetItemsWithGenre(string genre, User user)
{
return GetParentalAllowedRecursiveChildren(user).Where(f => f.Genres != null && f.Genres.Any(s => s.Equals(genre, StringComparison.OrdinalIgnoreCase)));
}
/// <summary>
/// Finds all recursive items within a top-level parent that contain the given year and are allowed for the current user
/// </summary>
public IEnumerable<BaseItem> GetItemsWithYear(int year, User user)
{
return GetParentalAllowedRecursiveChildren(user).Where(f => f.ProductionYear.HasValue && f.ProductionYear == year);
}
/// <summary>
/// Finds all recursive items within a top-level parent that contain the given studio and are allowed for the current user
/// </summary>
public IEnumerable<BaseItem> GetItemsWithStudio(string studio, User user)
{
return GetParentalAllowedRecursiveChildren(user).Where(f => f.Studios != null && f.Studios.Any(s => s.Equals(studio, StringComparison.OrdinalIgnoreCase)));
}
/// <summary>
/// Finds all recursive items within a top-level parent that contain the given person and are allowed for the current user
/// </summary>
/// <param name="personType">Specify this to limit results to a specific PersonType</param>
public IEnumerable<BaseItem> GetItemsWithPerson(string person, PersonType? personType, User user)
{
return GetParentalAllowedRecursiveChildren(user).Where(c =>
{
if (c.People != null)
{
if (personType.HasValue)
{
return c.People.Any(p => p.Name.Equals(person, StringComparison.OrdinalIgnoreCase) && p.PersonType == personType.Value);
}
else
{
return c.People.Any(p => p.Name.Equals(person, StringComparison.OrdinalIgnoreCase));
}
}
return false;
});
}
/// <summary>
/// Gets all recently added items (recursive) within a folder, based on configuration and parental settings
/// </summary>
public IEnumerable<BaseItem> GetRecentlyAddedItems(User user)
{
DateTime now = DateTime.Now;
return GetParentalAllowedRecursiveChildren(user).Where(i => !(i is Folder) && (now - i.DateCreated).TotalDays < user.RecentItemDays);
}
/// <summary>
/// Gets all recently added unplayed items (recursive) within a folder, based on configuration and parental settings
/// </summary>
public IEnumerable<BaseItem> GetRecentlyAddedUnplayedItems(User user)
{
return GetRecentlyAddedItems(user).Where(i =>
{
var userdata = user.GetItemData(i.Id);
return userdata == null || userdata.PlayCount == 0;
});
}
/// <summary>
/// Gets all in-progress items (recursive) within a folder
/// </summary>
public IEnumerable<BaseItem> GetInProgressItems(User user)
{
return GetParentalAllowedRecursiveChildren(user).Where(i =>
{
if (i is Folder)
{
return false;
}
var userdata = user.GetItemData(i.Id);
return userdata != null && userdata.PlaybackPosition.Ticks > 0;
});
}
/// <summary>
/// Finds an item by ID, recursively
/// </summary>
public BaseItem FindById(Guid id)
{
if (Id == id)
{
return this;
}
foreach (BaseItem item in Children)
{
var folder = item as Folder;
if (folder != null)
{
var foundItem = folder.FindById(id);
if (foundItem != null)
{
return foundItem;
}
}
else if (item.Id == id)
{
return item;
}
}
return null;
}
/// <summary>
/// Finds an item by path, recursively
/// </summary>
public BaseItem FindByPath(string path)
{
if (Path.Equals(path, StringComparison.OrdinalIgnoreCase))
{
return this;
}
foreach (BaseItem item in Children)
{
var folder = item as Folder;
if (folder != null)
{
var foundItem = folder.FindByPath(path);
if (foundItem != null)
{
return foundItem;
}
}
else if (item.Path.Equals(path, StringComparison.OrdinalIgnoreCase))
{
return item;
}
}
return null;
}
}
}
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