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jellyfin/MediaBrowser.Model/Entities/Folder.cs

279 lines
9.3 KiB

using System;
using System.Collections.Generic;
using System.Linq;
namespace MediaBrowser.Model.Entities
{
public class Folder : BaseItem
{
public override bool IsFolder
{
get
{
return true;
}
}
public bool IsRoot { get; set; }
public bool IsVirtualFolder
{
get
{
return Parent != null && Parent.IsRoot;
}
}
public IEnumerable<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>
/// Since it can be slow to make all of these calculations at once, this method will provide a way to get them all back together
/// </summary>
public ItemSpecialCounts GetSpecialCounts(User user)
{
ItemSpecialCounts counts = new ItemSpecialCounts();
IEnumerable<BaseItem> recursiveChildren = GetParentalAllowedRecursiveChildren(user);
counts.RecentlyAddedItemCount = GetRecentlyAddedItems(recursiveChildren, user).Count();
counts.RecentlyAddedUnPlayedItemCount = GetRecentlyAddedUnplayedItems(recursiveChildren, user).Count();
counts.InProgressItemCount = GetInProgressItems(recursiveChildren, user).Count();
counts.PlayedPercentage = GetPlayedPercentage(recursiveChildren, user);
return counts;
}
/// <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>
public IEnumerable<BaseItem> GetItemsWithPerson(string person, User user)
{
return GetParentalAllowedRecursiveChildren(user).Where(c =>
{
if (c.People != null)
{
return c.People.ContainsKey(person);
}
return false;
});
}
/// <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, string personType, User user)
{
return GetParentalAllowedRecursiveChildren(user).Where(c =>
{
if (c.People != null)
{
return c.People.ContainsKey(person) && c.People[person].Type.Equals(personType, 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)
{
return GetRecentlyAddedItems(GetParentalAllowedRecursiveChildren(user), user);
}
/// <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 GetRecentlyAddedUnplayedItems(GetParentalAllowedRecursiveChildren(user), user);
}
/// <summary>
/// Gets all in-progress items (recursive) within a folder
/// </summary>
public IEnumerable<BaseItem> GetInProgressItems(User user)
{
return GetInProgressItems(GetParentalAllowedRecursiveChildren(user), user);
}
private static IEnumerable<BaseItem> GetRecentlyAddedItems(IEnumerable<BaseItem> itemSet, User user)
{
return itemSet.Where(i => !(i.IsFolder) && i.IsRecentlyAdded(user));
}
private static IEnumerable<BaseItem> GetRecentlyAddedUnplayedItems(IEnumerable<BaseItem> itemSet, User user)
{
return GetRecentlyAddedItems(itemSet, user).Where(i =>
{
var userdata = i.GetUserData(user);
return userdata == null || userdata.PlayCount == 0;
});
}
private static IEnumerable<BaseItem> GetInProgressItems(IEnumerable<BaseItem> itemSet, User user)
{
return itemSet.Where(i =>
{
if (i.IsFolder)
{
return false;
}
var userdata = i.GetUserData(user);
return userdata != null && userdata.PlaybackPositionTicks > 0;
});
}
private static decimal GetPlayedPercentage(IEnumerable<BaseItem> itemSet, User user)
{
itemSet = itemSet.Where(i => !(i.IsFolder));
if (!itemSet.Any())
{
return 0;
}
decimal totalPercent = 0;
foreach (BaseItem item in itemSet)
{
UserItemData data = item.GetUserData(user);
if (data == null)
{
continue;
}
if (data.PlayCount > 0)
{
totalPercent += 100;
}
else if (data.PlaybackPositionTicks > 0 && item.RunTimeTicks.HasValue)
{
decimal itemPercent = data.PlaybackPositionTicks;
itemPercent /= item.RunTimeTicks.Value;
totalPercent += itemPercent;
}
}
return totalPercent / itemSet.Count();
}
/// <summary>
/// Finds an item by ID, recursively
/// </summary>
public override BaseItem FindItemById(Guid id)
{
var result = base.FindItemById(id);
if (result != null)
{
return result;
}
foreach (BaseItem item in Children)
{
result = item.FindItemById(id);
if (result != null)
{
return result;
}
}
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;
}
}
}