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using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization;
using MediaBrowser.Controller;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Users;
namespace MediaBrowser.Api
{
/// <summary>
/// Contains some helpers for the api
/// </summary>
public static class ApiService
{
public static BaseItem GetItemById(string id)
{
Guid guid = string.IsNullOrEmpty(id) ? Guid.Empty : new Guid(id);
return Kernel.Instance.GetItemById(guid);
}
/// <summary>
/// Takes a BaseItem and returns the actual object that will be serialized by the api
/// </summary>
public static ApiBaseItemWrapper<BaseItem> GetSerializationObject(BaseItem item, bool includeChildren, Guid userId)
{
ApiBaseItemWrapper<BaseItem> wrapper = new ApiBaseItemWrapper<BaseItem>()
{
Item = item,
UserItemData = Kernel.Instance.GetUserItemData(userId, item.Id),
Type = item.GetType().Name,
IsFolder = (item is Folder)
};
if (string.IsNullOrEmpty(item.LogoImagePath))
{
wrapper.ParentLogoItemId = GetParentLogoItemId(item);
}
if (item.BackdropImagePaths == null || !item.BackdropImagePaths.Any())
{
int backdropCount;
wrapper.ParentBackdropItemId = GetParentBackdropItemId(item, out backdropCount);
wrapper.ParentBackdropCount = backdropCount;
}
if (item.Parent != null)
{
wrapper.ParentId = item.Parent.Id;
}
if (includeChildren)
{
var folder = item as Folder;
if (folder != null)
{
wrapper.Children = Kernel.Instance.GetParentalAllowedChildren(folder, userId).Select(c => GetSerializationObject(c, false, userId));
}
}
return wrapper;
}
private static Guid? GetParentBackdropItemId(BaseItem item, out int backdropCount)
{
backdropCount = 0;
var parent = item.Parent;
while (parent != null)
{
if (parent.BackdropImagePaths != null && parent.BackdropImagePaths.Any())
{
backdropCount = parent.BackdropImagePaths.Count();
return parent.Id;
}
parent = parent.Parent;
}
return null;
}
private static Guid? GetParentLogoItemId(BaseItem item)
{
var parent = item.Parent;
while (parent != null)
{
if (!string.IsNullOrEmpty(parent.LogoImagePath))
{
return parent.Id;
}
parent = parent.Parent;
}
return null;
}
}
}
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