jellyfin/MediaBrowser.Api/Images/ImageService.cs

778 lines
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C#
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using MediaBrowser.Common.Extensions;
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using MediaBrowser.Controller.Drawing;
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using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Net;
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using MediaBrowser.Controller.Persistence;
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using MediaBrowser.Controller.Providers;
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using MediaBrowser.Model.Drawing;
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using MediaBrowser.Model.Dto;
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using MediaBrowser.Model.Entities;
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using ServiceStack;
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using ServiceStack.Web;
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using System;
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using System.Collections.Generic;
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using System.IO;
using System.Linq;
using System.Threading;
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using System.Threading.Tasks;
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using CommonIO;
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namespace MediaBrowser.Api.Images
{
/// <summary>
/// Class GetItemImage
/// </summary>
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[Route("/Items/{Id}/Images", "GET", Summary = "Gets information about an item's images")]
[Authenticated]
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public class GetItemImageInfos : IReturn<List<ImageInfo>>
{
/// <summary>
/// Gets or sets the id.
/// </summary>
/// <value>The id.</value>
[ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
public string Id { get; set; }
}
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[Route("/Items/{Id}/Images/{Type}", "GET")]
[Route("/Items/{Id}/Images/{Type}/{Index}", "GET")]
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[Route("/Items/{Id}/Images/{Type}", "HEAD")]
[Route("/Items/{Id}/Images/{Type}/{Index}", "HEAD")]
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[Route("/Items/{Id}/Images/{Type}/{Index}/{Tag}/{Format}/{MaxWidth}/{MaxHeight}/{PercentPlayed}/{UnplayedCount}", "GET")]
[Route("/Items/{Id}/Images/{Type}/{Index}/{Tag}/{Format}/{MaxWidth}/{MaxHeight}/{PercentPlayed}/{UnplayedCount}", "HEAD")]
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public class GetItemImage : ImageRequest
{
/// <summary>
/// Gets or sets the id.
/// </summary>
/// <value>The id.</value>
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[ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
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public string Id { get; set; }
}
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/// <summary>
/// Class UpdateItemImageIndex
/// </summary>
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[Route("/Items/{Id}/Images/{Type}/{Index}/Index", "POST", Summary = "Updates the index for an item image")]
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[Authenticated(Roles = "admin")]
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public class UpdateItemImageIndex : IReturnVoid
{
/// <summary>
/// Gets or sets the id.
/// </summary>
/// <value>The id.</value>
[ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
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public string Id { get; set; }
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/// <summary>
/// Gets or sets the type of the image.
/// </summary>
/// <value>The type of the image.</value>
[ApiMember(Name = "Type", Description = "Image Type", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "POST")]
public ImageType Type { get; set; }
/// <summary>
/// Gets or sets the index.
/// </summary>
/// <value>The index.</value>
[ApiMember(Name = "Index", Description = "Image Index", IsRequired = false, DataType = "int", ParameterType = "query", Verb = "POST")]
public int Index { get; set; }
/// <summary>
/// Gets or sets the new index.
/// </summary>
/// <value>The new index.</value>
[ApiMember(Name = "NewIndex", Description = "The new image index", IsRequired = true, DataType = "string", ParameterType = "query", Verb = "GET")]
public int NewIndex { get; set; }
}
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/// <summary>
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/// Class GetPersonImage
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/// </summary>
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[Route("/Artists/{Name}/Images/{Type}", "GET")]
[Route("/Artists/{Name}/Images/{Type}/{Index}", "GET")]
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[Route("/Genres/{Name}/Images/{Type}", "GET")]
[Route("/Genres/{Name}/Images/{Type}/{Index}", "GET")]
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[Route("/GameGenres/{Name}/Images/{Type}", "GET")]
[Route("/GameGenres/{Name}/Images/{Type}/{Index}", "GET")]
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[Route("/MusicGenres/{Name}/Images/{Type}", "GET")]
[Route("/MusicGenres/{Name}/Images/{Type}/{Index}", "GET")]
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[Route("/Persons/{Name}/Images/{Type}", "GET")]
[Route("/Persons/{Name}/Images/{Type}/{Index}", "GET")]
[Route("/Studios/{Name}/Images/{Type}", "GET")]
[Route("/Studios/{Name}/Images/{Type}/{Index}", "GET")]
[Route("/Years/{Year}/Images/{Type}", "GET")]
[Route("/Years/{Year}/Images/{Type}/{Index}", "GET")]
[Route("/Artists/{Name}/Images/{Type}", "HEAD")]
[Route("/Artists/{Name}/Images/{Type}/{Index}", "HEAD")]
[Route("/Genres/{Name}/Images/{Type}", "HEAD")]
[Route("/Genres/{Name}/Images/{Type}/{Index}", "HEAD")]
[Route("/GameGenres/{Name}/Images/{Type}", "HEAD")]
[Route("/GameGenres/{Name}/Images/{Type}/{Index}", "HEAD")]
[Route("/MusicGenres/{Name}/Images/{Type}", "HEAD")]
[Route("/MusicGenres/{Name}/Images/{Type}/{Index}", "HEAD")]
[Route("/Persons/{Name}/Images/{Type}", "HEAD")]
[Route("/Persons/{Name}/Images/{Type}/{Index}", "HEAD")]
[Route("/Studios/{Name}/Images/{Type}", "HEAD")]
[Route("/Studios/{Name}/Images/{Type}/{Index}", "HEAD")]
[Route("/Years/{Year}/Images/{Type}", "HEAD")]
[Route("/Years/{Year}/Images/{Type}/{Index}", "HEAD")]
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public class GetItemByNameImage : ImageRequest
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{
/// <summary>
/// Gets or sets the name.
/// </summary>
/// <value>The name.</value>
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[ApiMember(Name = "Name", Description = "Item name", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
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public string Name { get; set; }
}
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/// <summary>
/// Class GetUserImage
/// </summary>
[Route("/Users/{Id}/Images/{Type}", "GET")]
[Route("/Users/{Id}/Images/{Type}/{Index}", "GET")]
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[Route("/Users/{Id}/Images/{Type}", "HEAD")]
[Route("/Users/{Id}/Images/{Type}/{Index}", "HEAD")]
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public class GetUserImage : ImageRequest
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{
/// <summary>
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/// Gets or sets the id.
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/// </summary>
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/// <value>The id.</value>
[ApiMember(Name = "Id", Description = "User Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
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public string Id { get; set; }
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}
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/// <summary>
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/// Class DeleteItemImage
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/// </summary>
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[Route("/Items/{Id}/Images/{Type}", "DELETE")]
[Route("/Items/{Id}/Images/{Type}/{Index}", "DELETE")]
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[Authenticated(Roles = "admin")]
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public class DeleteItemImage : DeleteImageRequest, IReturnVoid
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{
/// <summary>
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/// Gets or sets the id.
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/// </summary>
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/// <value>The id.</value>
[ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "DELETE")]
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public string Id { get; set; }
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}
/// <summary>
/// Class DeleteUserImage
/// </summary>
[Route("/Users/{Id}/Images/{Type}", "DELETE")]
[Route("/Users/{Id}/Images/{Type}/{Index}", "DELETE")]
[Authenticated]
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public class DeleteUserImage : DeleteImageRequest, IReturnVoid
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{
/// <summary>
/// Gets or sets the id.
/// </summary>
/// <value>The id.</value>
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[ApiMember(Name = "Id", Description = "User Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "DELETE")]
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public string Id { get; set; }
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}
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/// <summary>
/// Class PostUserImage
/// </summary>
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[Route("/Users/{Id}/Images/{Type}", "POST")]
[Route("/Users/{Id}/Images/{Type}/{Index}", "POST")]
[Authenticated]
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public class PostUserImage : DeleteImageRequest, IRequiresRequestStream, IReturnVoid
{
/// <summary>
/// Gets or sets the id.
/// </summary>
/// <value>The id.</value>
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[ApiMember(Name = "Id", Description = "User Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "POST")]
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public string Id { get; set; }
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/// <summary>
/// The raw Http Request Input Stream
/// </summary>
/// <value>The request stream.</value>
public Stream RequestStream { get; set; }
}
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/// <summary>
/// Class PostItemImage
/// </summary>
[Route("/Items/{Id}/Images/{Type}", "POST")]
[Route("/Items/{Id}/Images/{Type}/{Index}", "POST")]
[Api(Description = "Posts an item image")]
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[Authenticated(Roles = "admin")]
public class PostItemImage : DeleteImageRequest, IRequiresRequestStream, IReturnVoid
{
/// <summary>
/// Gets or sets the id.
/// </summary>
/// <value>The id.</value>
[ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "POST")]
public string Id { get; set; }
/// <summary>
/// The raw Http Request Input Stream
/// </summary>
/// <value>The request stream.</value>
public Stream RequestStream { get; set; }
}
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/// <summary>
/// Class ImageService
/// </summary>
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public class ImageService : BaseApiService
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{
private readonly IUserManager _userManager;
private readonly ILibraryManager _libraryManager;
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private readonly IProviderManager _providerManager;
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private readonly IItemRepository _itemRepo;
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private readonly IImageProcessor _imageProcessor;
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private readonly IFileSystem _fileSystem;
/// <summary>
/// Initializes a new instance of the <see cref="ImageService" /> class.
/// </summary>
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public ImageService(IUserManager userManager, ILibraryManager libraryManager, IProviderManager providerManager, IItemRepository itemRepo, IImageProcessor imageProcessor, IFileSystem fileSystem)
{
_userManager = userManager;
_libraryManager = libraryManager;
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_providerManager = providerManager;
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_itemRepo = itemRepo;
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_imageProcessor = imageProcessor;
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_fileSystem = fileSystem;
}
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/// <summary>
/// Gets the specified request.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>System.Object.</returns>
public object Get(GetItemImageInfos request)
{
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var item = _libraryManager.GetItemById(request.Id);
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var result = GetItemImageInfos(item);
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return ToOptimizedSerializedResultUsingCache(result);
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}
/// <summary>
/// Gets the item image infos.
/// </summary>
/// <param name="item">The item.</param>
/// <returns>Task{List{ImageInfo}}.</returns>
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public List<ImageInfo> GetItemImageInfos(BaseItem item)
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{
var list = new List<ImageInfo>();
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foreach (var image in item.ImageInfos.Where(i => !item.AllowsMultipleImages(i.Type)))
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{
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var info = GetImageInfo(item, image, null);
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if (info != null)
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{
list.Add(info);
}
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}
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foreach (var imageType in item.ImageInfos.Select(i => i.Type).Distinct().Where(item.AllowsMultipleImages))
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{
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var index = 0;
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// Prevent implicitly captured closure
var currentImageType = imageType;
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foreach (var image in item.ImageInfos.Where(i => i.Type == currentImageType))
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{
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var info = GetImageInfo(item, image, index);
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if (info != null)
{
list.Add(info);
}
index++;
}
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}
return list;
}
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private ImageInfo GetImageInfo(IHasImages item, ItemImageInfo info, int? imageIndex)
{
try
{
int? width = null;
int? height = null;
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long length = 0;
try
{
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if (info.IsLocalFile)
{
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var fileInfo = new FileInfo(info.Path);
length = fileInfo.Length;
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var size = _imageProcessor.GetImageSize(info);
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width = Convert.ToInt32(size.Width);
height = Convert.ToInt32(size.Height);
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}
}
catch
{
}
return new ImageInfo
{
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Path = info.Path,
ImageIndex = imageIndex,
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ImageType = info.Type,
ImageTag = _imageProcessor.GetImageCacheTag(item, info),
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Size = length,
Width = width,
Height = height
};
}
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catch (Exception ex)
{
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Logger.ErrorException("Error getting image information for {0}", ex, info.Path);
return null;
}
}
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/// <summary>
/// Gets the specified request.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>System.Object.</returns>
public object Get(GetItemImage request)
{
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var item = string.IsNullOrEmpty(request.Id) ?
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_libraryManager.RootFolder :
_libraryManager.GetItemById(request.Id);
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return GetImage(request, item, false);
}
/// <summary>
/// Gets the specified request.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>System.Object.</returns>
public object Head(GetItemImage request)
{
var item = string.IsNullOrEmpty(request.Id) ?
_libraryManager.RootFolder :
_libraryManager.GetItemById(request.Id);
return GetImage(request, item, true);
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}
/// <summary>
/// Gets the specified request.
/// </summary>
/// <param name="request">The request.</param>
/// <returns>System.Object.</returns>
public object Get(GetUserImage request)
{
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var item = _userManager.GetUserById(request.Id);
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return GetImage(request, item, false);
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}
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public object Head(GetUserImage request)
{
var item = _userManager.GetUserById(request.Id);
return GetImage(request, item, true);
}
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public object Get(GetItemByNameImage request)
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{
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var type = GetPathValue(0);
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var item = GetItemByName(request.Name, type, _libraryManager);
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return GetImage(request, item, false);
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}
public object Head(GetItemByNameImage request)
{
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var type = GetPathValue(0);
var item = GetItemByName(request.Name, type, _libraryManager);
return GetImage(request, item, true);
}
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/// <summary>
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/// Posts the specified request.
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/// </summary>
/// <param name="request">The request.</param>
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public void Post(PostUserImage request)
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{
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var userId = GetPathValue(1);
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AssertCanUpdateUser(_userManager, userId);
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request.Type = (ImageType)Enum.Parse(typeof(ImageType), GetPathValue(3), true);
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var item = _userManager.GetUserById(userId);
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var task = PostImage(item, request.RequestStream, request.Type, Request.ContentType);
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Task.WaitAll(task);
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}
/// <summary>
/// Posts the specified request.
/// </summary>
/// <param name="request">The request.</param>
public void Post(PostItemImage request)
{
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var id = GetPathValue(1);
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request.Type = (ImageType)Enum.Parse(typeof(ImageType), GetPathValue(3), true);
var item = _libraryManager.GetItemById(id);
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var task = PostImage(item, request.RequestStream, request.Type, Request.ContentType);
Task.WaitAll(task);
}
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/// <summary>
/// Deletes the specified request.
/// </summary>
/// <param name="request">The request.</param>
public void Delete(DeleteUserImage request)
{
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var userId = request.Id;
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AssertCanUpdateUser(_userManager, userId);
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var item = _userManager.GetUserById(userId);
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var task = item.DeleteImage(request.Type, request.Index ?? 0);
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Task.WaitAll(task);
}
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/// <summary>
/// Deletes the specified request.
/// </summary>
/// <param name="request">The request.</param>
public void Delete(DeleteItemImage request)
{
var item = _libraryManager.GetItemById(request.Id);
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var task = item.DeleteImage(request.Type, request.Index ?? 0);
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Task.WaitAll(task);
}
/// <summary>
/// Posts the specified request.
/// </summary>
/// <param name="request">The request.</param>
public void Post(UpdateItemImageIndex request)
{
var item = _libraryManager.GetItemById(request.Id);
var task = UpdateItemIndex(item, request.Type, request.Index, request.NewIndex);
Task.WaitAll(task);
}
/// <summary>
/// Updates the index of the item.
/// </summary>
/// <param name="item">The item.</param>
/// <param name="type">The type.</param>
/// <param name="currentIndex">Index of the current.</param>
/// <param name="newIndex">The new index.</param>
/// <returns>Task.</returns>
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private Task UpdateItemIndex(IHasImages item, ImageType type, int currentIndex, int newIndex)
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{
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return item.SwapImages(type, currentIndex, newIndex);
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}
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/// <summary>
/// Gets the image.
/// </summary>
/// <param name="request">The request.</param>
/// <param name="item">The item.</param>
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/// <param name="isHeadRequest">if set to <c>true</c> [is head request].</param>
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/// <returns>System.Object.</returns>
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/// <exception cref="ResourceNotFoundException"></exception>
public object GetImage(ImageRequest request, IHasImages item, bool isHeadRequest)
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{
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if (request.PercentPlayed.HasValue)
{
if (request.PercentPlayed.Value <= 0)
{
request.PercentPlayed = null;
}
else if (request.PercentPlayed.Value >= 100)
{
request.PercentPlayed = null;
request.AddPlayedIndicator = true;
}
}
if (request.PercentPlayed.HasValue)
{
request.UnplayedCount = null;
}
if (request.UnplayedCount.HasValue)
{
if (request.UnplayedCount.Value <= 0)
{
request.UnplayedCount = null;
}
}
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var imageInfo = GetImageInfo(request, item);
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if (imageInfo == null)
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{
throw new ResourceNotFoundException(string.Format("{0} does not have an image of type {1}", item.Name, request.Type));
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}
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var supportedImageEnhancers = request.EnableImageEnhancers ? _imageProcessor.ImageEnhancers.Where(i =>
{
try
{
return i.Supports(item, request.Type);
}
catch (Exception ex)
{
Logger.ErrorException("Error in image enhancer: {0}", ex, i.GetType().Name);
return false;
}
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}).ToList() : new List<IImageEnhancer>();
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var cropwhitespace = request.Type == ImageType.Logo || request.Type == ImageType.Art;
if (request.CropWhitespace.HasValue)
{
cropwhitespace = request.CropWhitespace.Value;
}
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var outputFormats = GetOutputFormats(request, imageInfo, cropwhitespace, supportedImageEnhancers);
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var cacheGuid = new Guid(_imageProcessor.GetImageCacheTag(item, imageInfo, supportedImageEnhancers));
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TimeSpan? cacheDuration = null;
if (!string.IsNullOrEmpty(request.Tag) && cacheGuid == new Guid(request.Tag))
{
cacheDuration = TimeSpan.FromDays(365);
}
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var responseHeaders = new Dictionary<string, string>
{
{"transferMode.dlna.org", "Interactive"},
{"realTimeInfo.dlna.org", "DLNA.ORG_TLAG=*"}
};
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return GetImageResult(item,
request,
imageInfo,
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cropwhitespace,
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outputFormats,
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supportedImageEnhancers,
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cacheDuration,
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responseHeaders,
isHeadRequest)
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.Result;
}
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private async Task<object> GetImageResult(IHasImages item,
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ImageRequest request,
ItemImageInfo image,
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bool cropwhitespace,
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List<ImageFormat> supportedFormats,
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List<IImageEnhancer> enhancers,
TimeSpan? cacheDuration,
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IDictionary<string, string> headers,
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bool isHeadRequest)
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{
var options = new ImageProcessingOptions
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{
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CropWhiteSpace = cropwhitespace,
Enhancers = enhancers,
Height = request.Height,
ImageIndex = request.Index ?? 0,
Image = image,
Item = item,
MaxHeight = request.MaxHeight,
MaxWidth = request.MaxWidth,
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Quality = request.Quality ?? 100,
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Width = request.Width,
AddPlayedIndicator = request.AddPlayedIndicator,
PercentPlayed = request.PercentPlayed ?? 0,
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UnplayedCount = request.UnplayedCount,
BackgroundColor = request.BackgroundColor,
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SupportedOutputFormats = supportedFormats
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};
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var imageResult = await _imageProcessor.ProcessImage(options).ConfigureAwait(false);
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headers["Vary"] = "Accept";
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return ResultFactory.GetStaticFileResult(Request, new StaticFileResultOptions
{
CacheDuration = cacheDuration,
ResponseHeaders = headers,
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ContentType = imageResult.Item2,
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IsHeadRequest = isHeadRequest,
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Path = imageResult.Item1,
// Sometimes imagemagick keeps a hold on the file briefly even after it's done writing to it.
// I'd rather do this than add a delay after saving the file
FileShare = FileShare.ReadWrite
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});
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}
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private List<ImageFormat> GetOutputFormats(ImageRequest request, ItemImageInfo image, bool cropwhitespace, List<IImageEnhancer> enhancers)
{
if (!string.IsNullOrWhiteSpace(request.Format))
{
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ImageFormat format;
if (Enum.TryParse(request.Format, true, out format))
{
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return new List<ImageFormat> { format };
}
}
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var extension = Path.GetExtension(image.Path);
ImageFormat? inputFormat = null;
if (string.Equals(extension, ".jpg", StringComparison.OrdinalIgnoreCase) ||
string.Equals(extension, ".jpeg", StringComparison.OrdinalIgnoreCase))
{
inputFormat = ImageFormat.Jpg;
}
else if (string.Equals(extension, ".png", StringComparison.OrdinalIgnoreCase))
{
inputFormat = ImageFormat.Png;
}
var clientSupportedFormats = GetClientSupportedFormats();
var serverFormats = _imageProcessor.GetSupportedImageOutputFormats();
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var outputFormats = new List<ImageFormat>();
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// Client doesn't care about format, so start with webp if supported
if (serverFormats.Contains(ImageFormat.Webp) && clientSupportedFormats.Contains(ImageFormat.Webp))
{
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outputFormats.Add(ImageFormat.Webp);
}
if (enhancers.Count > 0)
{
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outputFormats.Add(ImageFormat.Png);
}
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if (inputFormat.HasValue && inputFormat.Value == ImageFormat.Jpg)
{
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outputFormats.Add(ImageFormat.Jpg);
}
// We can't predict if there will be transparency or not, so play it safe
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outputFormats.Add(ImageFormat.Png);
return outputFormats;
}
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private ImageFormat[] GetClientSupportedFormats()
{
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var supportsWebP = (Request.AcceptTypes ?? new string[] { }).Contains("image/webp", StringComparer.OrdinalIgnoreCase);
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var userAgent = Request.UserAgent ?? string.Empty;
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if (!supportsWebP)
{
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if (string.Equals(Request.QueryString["accept"], "webp", StringComparison.OrdinalIgnoreCase))
{
supportsWebP = true;
}
}
if (!supportsWebP)
{
if (userAgent.IndexOf("crosswalk", StringComparison.OrdinalIgnoreCase) != -1 &&
userAgent.IndexOf("android", StringComparison.OrdinalIgnoreCase) != -1)
{
supportsWebP = true;
}
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}
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if (supportsWebP)
{
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// Not displaying properly on iOS
if (userAgent.IndexOf("cfnetwork", StringComparison.OrdinalIgnoreCase) == -1)
{
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return new[] { ImageFormat.Webp, ImageFormat.Jpg, ImageFormat.Png };
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}
}
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return new[] { ImageFormat.Jpg, ImageFormat.Png };
}
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/// <summary>
/// Gets the image path.
/// </summary>
/// <param name="request">The request.</param>
/// <param name="item">The item.</param>
/// <returns>System.String.</returns>
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private ItemImageInfo GetImageInfo(ImageRequest request, IHasImages item)
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{
var index = request.Index ?? 0;
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return item.GetImageInfo(request.Type, index);
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}
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/// <summary>
/// Posts the image.
/// </summary>
/// <param name="entity">The entity.</param>
/// <param name="inputStream">The input stream.</param>
/// <param name="imageType">Type of the image.</param>
/// <param name="mimeType">Type of the MIME.</param>
/// <returns>Task.</returns>
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public async Task PostImage(BaseItem entity, Stream inputStream, ImageType imageType, string mimeType)
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{
using (var reader = new StreamReader(inputStream))
{
var text = await reader.ReadToEndAsync().ConfigureAwait(false);
var bytes = Convert.FromBase64String(text);
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var memoryStream = new MemoryStream(bytes)
{
Position = 0
};
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// Handle image/png; charset=utf-8
mimeType = mimeType.Split(';').FirstOrDefault();
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await _providerManager.SaveImage(entity, memoryStream, mimeType, imageType, null, CancellationToken.None).ConfigureAwait(false);
await entity.UpdateToRepository(ItemUpdateType.ImageUpdate, CancellationToken.None).ConfigureAwait(false);
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}
}
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}
}