406 lines
14 KiB
C#
406 lines
14 KiB
C#
using MediaBrowser.Common.Extensions;
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using MediaBrowser.Common.IO;
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using MediaBrowser.Common.Net;
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using MediaBrowser.Controller;
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using MediaBrowser.Controller.Dto;
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Library;
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using MediaBrowser.Model.Entities;
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using ServiceStack.ServiceHost;
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using ServiceStack.Text.Controller;
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using System;
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using System.IO;
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using System.Linq;
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using System.Threading;
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using System.Threading.Tasks;
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namespace MediaBrowser.Api.Images
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{
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/// <summary>
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/// Class GetItemImage
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/// </summary>
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[Route("/Items/{Id}/Images/{Type}", "GET")]
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[Route("/Items/{Id}/Images/{Type}/{Index}", "GET")]
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[Api(Description = "Gets an item image")]
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public class GetItemImage : ImageRequest
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{
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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>
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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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}
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/// <summary>
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/// Class GetPersonImage
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/// </summary>
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[Route("/Persons/{Name}/Images/{Type}", "GET")]
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[Route("/Persons/{Name}/Images/{Type}/{Index}", "GET")]
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[Api(Description = "Gets a person image")]
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public class GetPersonImage : ImageRequest
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{
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/// <summary>
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/// Gets or sets the name.
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/// </summary>
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/// <value>The name.</value>
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[ApiMember(Name = "Name", Description = "Person name", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
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public string Name { get; set; }
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}
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/// <summary>
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/// Class GetStudioImage
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/// </summary>
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[Route("/Studios/{Name}/Images/{Type}", "GET")]
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[Route("/Studios/{Name}/Images/{Type}/{Index}", "GET")]
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[Api(Description = "Gets a studio image")]
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public class GetStudioImage : ImageRequest
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{
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/// <summary>
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/// Gets or sets the name.
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/// </summary>
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/// <value>The name.</value>
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[ApiMember(Name = "Name", Description = "Studio name", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
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public string Name { get; set; }
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}
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/// <summary>
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/// Class GetGenreImage
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/// </summary>
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[Route("/Genres/{Name}/Images/{Type}", "GET")]
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[Route("/Genres/{Name}/Images/{Type}/{Index}", "GET")]
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[Api(Description = "Gets a genre image")]
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public class GetGenreImage : ImageRequest
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{
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/// <summary>
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/// Gets or sets the name.
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/// </summary>
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/// <value>The name.</value>
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[ApiMember(Name = "Name", Description = "Genre name", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
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public string Name { get; set; }
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}
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/// <summary>
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/// Class GetYearImage
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/// </summary>
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[Route("/Years/{Year}/Images/{Type}", "GET")]
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[Route("/Years/{Year}/Images/{Type}/{Index}", "GET")]
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[Api(Description = "Gets a year image")]
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public class GetYearImage : ImageRequest
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{
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/// <summary>
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/// Gets or sets the year.
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/// </summary>
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/// <value>The year.</value>
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[ApiMember(Name = "Year", Description = "Year", IsRequired = true, DataType = "int", ParameterType = "path", Verb = "GET")]
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public int Year { get; set; }
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}
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/// <summary>
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/// Class GetUserImage
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/// </summary>
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[Route("/Users/{Id}/Images/{Type}", "GET")]
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[Route("/Users/{Id}/Images/{Type}/{Index}", "GET")]
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[Api(Description = "Gets a user image")]
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public class GetUserImage : ImageRequest
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{
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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>
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[ApiMember(Name = "Id", Description = "User Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
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public Guid Id { get; set; }
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}
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/// <summary>
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/// Class DeleteUserImage
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/// </summary>
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[Route("/Users/{Id}/Images/{Type}", "DELETE")]
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[Route("/Users/{Id}/Images/{Type}/{Index}", "DELETE")]
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[Api(Description = "Deletes a user image")]
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public class DeleteUserImage : DeleteImageRequest, IReturnVoid
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{
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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>
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[ApiMember(Name = "Id", Description = "User Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "DELETE")]
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public Guid Id { get; set; }
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}
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[Route("/Users/{Id}/Images/{Type}", "POST")]
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[Route("/Users/{Id}/Images/{Type}/{Index}", "POST")]
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[Api(Description = "Posts a user image")]
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public class PostUserImage : DeleteImageRequest, IRequiresRequestStream, IReturnVoid
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{
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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>
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[ApiMember(Name = "Id", Description = "User Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "POST")]
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public Guid Id { get; set; }
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/// <summary>
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/// The raw Http Request Input Stream
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/// </summary>
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/// <value>The request stream.</value>
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public Stream RequestStream { get; set; }
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}
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/// <summary>
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/// Class ImageService
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/// </summary>
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public class ImageService : BaseApiService
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{
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/// <summary>
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/// The _user manager
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/// </summary>
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private readonly IUserManager _userManager;
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/// <summary>
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/// The _library manager
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/// </summary>
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private readonly ILibraryManager _libraryManager;
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/// <summary>
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/// Initializes a new instance of the <see cref="ImageService" /> class.
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/// </summary>
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/// <param name="userManager">The user manager.</param>
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/// <param name="libraryManager">The library manager.</param>
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public ImageService(IUserManager userManager, ILibraryManager libraryManager)
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{
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_userManager = userManager;
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_libraryManager = libraryManager;
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}
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/// <summary>
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/// Gets the specified request.
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/// </summary>
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/// <param name="request">The request.</param>
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/// <returns>System.Object.</returns>
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public object Get(GetItemImage request)
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{
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var item = string.IsNullOrEmpty(request.Id) ? _libraryManager.RootFolder : DtoBuilder.GetItemByClientId(request.Id, _userManager, _libraryManager);
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return GetImage(request, item);
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}
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/// <summary>
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/// Gets the specified request.
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/// </summary>
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/// <param name="request">The request.</param>
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/// <returns>System.Object.</returns>
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public object Get(GetUserImage request)
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{
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var item = _userManager.Users.First(i => i.Id == request.Id);
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return GetImage(request, item);
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}
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/// <summary>
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/// Gets the specified request.
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/// </summary>
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/// <param name="request">The request.</param>
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/// <returns>System.Object.</returns>
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public object Get(GetYearImage request)
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{
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var item = _libraryManager.GetYear(request.Year).Result;
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return GetImage(request, item);
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}
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/// <summary>
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/// Gets the specified request.
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/// </summary>
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/// <param name="request">The request.</param>
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/// <returns>System.Object.</returns>
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public object Get(GetStudioImage request)
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{
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var item = _libraryManager.GetStudio(request.Name).Result;
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return GetImage(request, item);
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}
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/// <summary>
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/// Gets the specified request.
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/// </summary>
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/// <param name="request">The request.</param>
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/// <returns>System.Object.</returns>
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public object Get(GetPersonImage request)
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{
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var item = _libraryManager.GetPerson(request.Name).Result;
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return GetImage(request, item);
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}
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/// <summary>
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/// Gets the specified request.
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/// </summary>
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/// <param name="request">The request.</param>
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/// <returns>System.Object.</returns>
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public object Get(GetGenreImage request)
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{
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var item = _libraryManager.GetGenre(request.Name).Result;
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return GetImage(request, item);
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}
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/// <summary>
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/// Posts the specified request.
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/// </summary>
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/// <param name="request">The request.</param>
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public void Post(PostUserImage request)
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{
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var pathInfo = PathInfo.Parse(RequestContext.PathInfo);
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var id = new Guid(pathInfo.GetArgumentValue<string>(1));
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request.Type = (ImageType)Enum.Parse(typeof(ImageType), pathInfo.GetArgumentValue<string>(3), true);
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var item = _userManager.Users.First(i => i.Id == id);
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var task = PostImage(item, request.RequestStream, request.Type, RequestContext.ContentType);
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Task.WaitAll(task);
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}
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/// <summary>
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/// Deletes the specified request.
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/// </summary>
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/// <param name="request">The request.</param>
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public void Delete(DeleteUserImage request)
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{
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var item = _userManager.Users.First(i => i.Id == request.Id);
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var task = item.DeleteImage(request.Type);
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Task.WaitAll(task);
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}
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/// <summary>
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/// Gets the image.
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/// </summary>
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/// <param name="request">The request.</param>
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/// <param name="item">The item.</param>
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/// <returns>System.Object.</returns>
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/// <exception cref="ResourceNotFoundException"></exception>
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private object GetImage(ImageRequest request, BaseItem item)
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{
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var kernel = Kernel.Instance;
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var index = request.Index ?? 0;
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var imagePath = GetImagePath(kernel, request, item);
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if (string.IsNullOrEmpty(imagePath))
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{
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throw new ResourceNotFoundException();
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}
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// See if we can avoid a file system lookup by looking for the file in ResolveArgs
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var originalFileImageDateModified = kernel.ImageManager.GetImageDateModified(item, request.Type, index);
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var supportedImageEnhancers = kernel.ImageEnhancers.Where(i => i.Supports(item, request.Type)).ToList();
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// If the file does not exist GetLastWriteTimeUtc will return jan 1, 1601 as opposed to throwing an exception
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// http://msdn.microsoft.com/en-us/library/system.io.file.getlastwritetimeutc.aspx
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if (originalFileImageDateModified.Year == 1601 && !File.Exists(imagePath))
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{
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throw new ResourceNotFoundException(string.Format("File not found: {0}", imagePath));
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}
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var contentType = MimeTypes.GetMimeType(imagePath);
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var dateLastModified = (supportedImageEnhancers.Select(e => e.LastConfigurationChange(item, request.Type)).Concat(new[] { originalFileImageDateModified })).Max();
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var cacheGuid = kernel.ImageManager.GetImageCacheTag(imagePath, originalFileImageDateModified, supportedImageEnhancers, item, request.Type);
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TimeSpan? cacheDuration = null;
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if (!string.IsNullOrEmpty(request.Tag) && cacheGuid == new Guid(request.Tag))
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{
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cacheDuration = TimeSpan.FromDays(365);
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}
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return ToCachedResult(cacheGuid, dateLastModified, cacheDuration, () => new ImageWriter
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{
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Item = item,
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Request = request,
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CropWhiteSpace = request.Type == ImageType.Logo || request.Type == ImageType.Art,
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OriginalImageDateModified = originalFileImageDateModified
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}, contentType);
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}
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/// <summary>
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/// Gets the image path.
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/// </summary>
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/// <param name="kernel">The kernel.</param>
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/// <param name="request">The request.</param>
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/// <param name="item">The item.</param>
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/// <returns>System.String.</returns>
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private string GetImagePath(Kernel kernel, ImageRequest request, BaseItem item)
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{
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var index = request.Index ?? 0;
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return kernel.ImageManager.GetImagePath(item, request.Type, index);
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}
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/// <summary>
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/// Posts the image.
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/// </summary>
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/// <param name="entity">The entity.</param>
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/// <param name="inputStream">The input stream.</param>
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/// <param name="imageType">Type of the image.</param>
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/// <param name="mimeType">Type of the MIME.</param>
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/// <returns>Task.</returns>
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private async Task PostImage(BaseItem entity, Stream inputStream, ImageType imageType, string mimeType)
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{
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using (var reader = new StreamReader(inputStream))
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{
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var text = await reader.ReadToEndAsync().ConfigureAwait(false);
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var bytes = Convert.FromBase64String(text);
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string filename;
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switch (imageType)
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{
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case ImageType.Art:
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filename = "clearart";
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break;
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case ImageType.Primary:
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filename = "folder";
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break;
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default:
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filename = imageType.ToString().ToLower();
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break;
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}
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var extension = mimeType.Split(';').First().Split('/').Last();
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var oldImagePath = entity.GetImage(imageType);
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var imagePath = Path.Combine(entity.MetaLocation, filename + "." + extension);
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// Save to file system
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using (var fs = new FileStream(imagePath, FileMode.Create, FileAccess.Write, FileShare.Read, StreamDefaults.DefaultFileStreamBufferSize, true))
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{
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await fs.WriteAsync(bytes, 0, bytes.Length).ConfigureAwait(false);
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}
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// Set the image
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entity.SetImage(imageType, imagePath);
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// If the new and old paths are different, delete the old one
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if (!string.IsNullOrEmpty(oldImagePath) && !oldImagePath.Equals(imagePath, StringComparison.OrdinalIgnoreCase))
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{
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File.Delete(oldImagePath);
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}
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// Directory watchers should repeat this, but do a quick refresh first
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await entity.RefreshMetadata(CancellationToken.None, forceSave: true, allowSlowProviders: false).ConfigureAwait(false);
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}
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}
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}
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}
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