mirror of
https://github.com/jellyfin/jellyfin.git
synced 2024-09-07 11:57:55 +02:00
272 lines
7.6 KiB
C#
272 lines
7.6 KiB
C#
using MediaBrowser.Common.Logging;
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using MediaBrowser.Common.Net;
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using MediaBrowser.Common.Net.Handlers;
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using MediaBrowser.Controller;
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using MediaBrowser.Model.Entities;
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using System;
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using System.ComponentModel.Composition;
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using System.IO;
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using System.Linq;
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using System.Net;
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using System.Threading.Tasks;
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namespace MediaBrowser.Api.HttpHandlers
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{
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[Export(typeof(BaseHandler))]
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public class ImageHandler : BaseHandler
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{
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public override bool HandlesRequest(HttpListenerRequest request)
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{
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return ApiService.IsApiUrlMatch("image", request);
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}
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private string _ImagePath = null;
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private async Task<string> GetImagePath()
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{
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if (_ImagePath == null)
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{
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_ImagePath = await DiscoverImagePath();
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}
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return _ImagePath;
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}
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private async Task<string> DiscoverImagePath()
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{
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string personName = QueryString["personname"];
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if (!string.IsNullOrEmpty(personName))
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{
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return (await Kernel.Instance.ItemController.GetPerson(personName).ConfigureAwait(false)).PrimaryImagePath;
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}
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string genreName = QueryString["genre"];
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if (!string.IsNullOrEmpty(genreName))
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{
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return (await Kernel.Instance.ItemController.GetGenre(genreName).ConfigureAwait(false)).PrimaryImagePath;
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}
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string year = QueryString["year"];
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if (!string.IsNullOrEmpty(year))
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{
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return (await Kernel.Instance.ItemController.GetYear(int.Parse(year)).ConfigureAwait(false)).PrimaryImagePath;
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}
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string studio = QueryString["studio"];
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if (!string.IsNullOrEmpty(studio))
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{
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return (await Kernel.Instance.ItemController.GetStudio(studio).ConfigureAwait(false)).PrimaryImagePath;
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}
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string userId = QueryString["userid"];
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if (!string.IsNullOrEmpty(userId))
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{
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return ApiService.GetUserById(userId, false).PrimaryImagePath;
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}
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BaseItem item = ApiService.GetItemById(QueryString["id"]);
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string imageIndex = QueryString["index"];
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int index = string.IsNullOrEmpty(imageIndex) ? 0 : int.Parse(imageIndex);
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return GetImagePathFromTypes(item, ImageType, index);
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}
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private Stream _SourceStream = null;
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private async Task<Stream> GetSourceStream()
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{
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await EnsureSourceStream().ConfigureAwait(false);
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return _SourceStream;
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}
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private bool _SourceStreamEnsured = false;
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private async Task EnsureSourceStream()
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{
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if (!_SourceStreamEnsured)
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{
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try
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{
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_SourceStream = File.OpenRead(await GetImagePath().ConfigureAwait(false));
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}
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catch (FileNotFoundException ex)
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{
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StatusCode = 404;
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Logger.LogException(ex);
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}
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catch (DirectoryNotFoundException ex)
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{
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StatusCode = 404;
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Logger.LogException(ex);
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}
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catch (UnauthorizedAccessException ex)
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{
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StatusCode = 403;
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Logger.LogException(ex);
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}
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finally
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{
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_SourceStreamEnsured = true;
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}
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}
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}
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public async override Task<string> GetContentType()
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{
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await EnsureSourceStream().ConfigureAwait(false);
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if (await GetSourceStream().ConfigureAwait(false) == null)
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{
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return null;
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}
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return MimeTypes.GetMimeType(await GetImagePath().ConfigureAwait(false));
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}
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public override TimeSpan CacheDuration
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{
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get
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{
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return TimeSpan.FromDays(365);
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}
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}
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protected async override Task<DateTime?> GetLastDateModified()
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{
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await EnsureSourceStream().ConfigureAwait(false);
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if (await GetSourceStream().ConfigureAwait(false) == null)
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{
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return null;
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}
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return File.GetLastWriteTimeUtc(await GetImagePath().ConfigureAwait(false));
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}
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private int? Height
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{
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get
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{
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string val = QueryString["height"];
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if (string.IsNullOrEmpty(val))
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{
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return null;
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}
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return int.Parse(val);
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}
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}
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private int? Width
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{
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get
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{
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string val = QueryString["width"];
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if (string.IsNullOrEmpty(val))
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{
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return null;
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}
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return int.Parse(val);
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}
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}
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private int? MaxHeight
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{
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get
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{
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string val = QueryString["maxheight"];
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if (string.IsNullOrEmpty(val))
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{
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return null;
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}
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return int.Parse(val);
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}
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}
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private int? MaxWidth
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{
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get
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{
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string val = QueryString["maxwidth"];
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if (string.IsNullOrEmpty(val))
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{
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return null;
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}
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return int.Parse(val);
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}
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}
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private int? Quality
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{
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get
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{
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string val = QueryString["quality"];
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if (string.IsNullOrEmpty(val))
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{
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return null;
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}
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return int.Parse(val);
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}
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}
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private ImageType ImageType
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{
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get
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{
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string imageType = QueryString["type"];
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if (string.IsNullOrEmpty(imageType))
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{
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return ImageType.Primary;
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}
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return (ImageType)Enum.Parse(typeof(ImageType), imageType, true);
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}
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}
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protected override async Task WriteResponseToOutputStream(Stream stream)
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{
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ImageProcessor.ProcessImage(await GetSourceStream().ConfigureAwait(false), stream, Width, Height, MaxWidth, MaxHeight, Quality);
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}
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private string GetImagePathFromTypes(BaseItem item, ImageType imageType, int imageIndex)
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{
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if (imageType == ImageType.Logo)
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{
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return item.LogoImagePath;
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}
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else if (imageType == ImageType.Backdrop)
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{
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return item.BackdropImagePaths.ElementAt(imageIndex);
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}
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else if (imageType == ImageType.Banner)
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{
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return item.BannerImagePath;
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}
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else if (imageType == ImageType.Art)
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{
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return item.ArtImagePath;
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}
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else if (imageType == ImageType.Thumbnail)
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{
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return item.ThumbnailImagePath;
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}
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else
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{
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return item.PrimaryImagePath;
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}
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}
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}
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}
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