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using System;
using System.IO;
using System.Linq;
using System.Reflection;
using MediaBrowser.Common.Configuration;
using MediaBrowser.Controller;
using MediaBrowser.Model.DTO;
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 BaseItemContainer<BaseItem> GetSerializationObject(BaseItem item, bool includeChildren, Guid userId)
{
User user = Kernel.Instance.Users.First(u => u.Id == userId);
BaseItemContainer<BaseItem> wrapper = new BaseItemContainer<BaseItem>()
{
Item = item,
UserItemData = user.GetItemData(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 = folder.GetParentalAllowedChildren(user).Select(c => GetSerializationObject(c, false, userId));
}
// Attach People by transforming them into BaseItemPerson (DTO)
if (item.People != null)
{
wrapper.People = item.People.Select(p =>
{
BaseItemPerson baseItemPerson = new BaseItemPerson();
baseItemPerson.PersonInfo = p;
Person ibnObject = Kernel.Instance.ItemController.GetPerson(p.Name);
if (ibnObject != null)
{
baseItemPerson.PrimaryImagePath = ibnObject.PrimaryImagePath;
}
return baseItemPerson;
});
}
}
// Attach Studios by transforming them into BaseItemStudio (DTO)
if (item.Studios != null)
{
wrapper.Studios = item.Studios.Select(s =>
{
BaseItemStudio baseItemStudio = new BaseItemStudio();
baseItemStudio.Name = s;
Studio ibnObject = Kernel.Instance.ItemController.GetStudio(s);
if (ibnObject != null)
{
baseItemStudio.PrimaryImagePath = ibnObject.PrimaryImagePath;
}
return baseItemStudio;
});
}
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;
}
private static string _FFMpegDirectory = null;
/// <summary>
/// Gets the folder path to ffmpeg
/// </summary>
public static string FFMpegDirectory
{
get
{
if (_FFMpegDirectory == null)
{
_FFMpegDirectory = System.IO.Path.Combine(ApplicationPaths.ProgramDataPath, "ffmpeg");
if (!Directory.Exists(_FFMpegDirectory))
{
Directory.CreateDirectory(_FFMpegDirectory);
}
}
return _FFMpegDirectory;
}
}
private static string _FFMpegPath = null;
/// <summary>
/// Gets the path to ffmpeg.exe
/// </summary>
public static string FFMpegPath
{
get
{
if (_FFMpegPath == null)
{
string filename = "ffmpeg.exe";
_FFMpegPath = Path.Combine(FFMpegDirectory, filename);
// Always re-extract the first time to handle new versions
if (File.Exists(_FFMpegPath))
{
File.Delete(_FFMpegPath);
}
// Extract ffprobe
using (Stream stream = Assembly.GetExecutingAssembly().GetManifestResourceStream("MediaBrowser.Api.FFMpeg." + filename))
{
using (FileStream fileStream = new FileStream(_FFMpegPath, FileMode.Create))
{
stream.CopyTo(fileStream);
}
}
}
return _FFMpegPath;
}
}
}
}
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