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#nullable disable
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Net.Http;
using System.Threading;
using System.Threading.Tasks;
using Jellyfin.Extensions;
using MediaBrowser.Common.Net;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Providers;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.IO;
using MediaBrowser.Model.Providers;
namespace MediaBrowser.Providers.Plugins.StudioImages
{
/// <summary>
/// Studio image provider.
/// </summary>
public class StudiosImageProvider : IRemoteImageProvider
{
private readonly IServerConfigurationManager _config;
private readonly IHttpClientFactory _httpClientFactory;
private readonly IFileSystem _fileSystem;
/// <summary>
/// Initializes a new instance of the <see cref="StudiosImageProvider"/> class.
/// </summary>
/// <param name="config">The <see cref="IServerConfigurationManager"/>.</param>
/// <param name="httpClientFactory">The <see cref="IHttpClientFactory"/>.</param>
/// <param name="fileSystem">The <see cref="IFileSystem"/>.</param>
public StudiosImageProvider(IServerConfigurationManager config, IHttpClientFactory httpClientFactory, IFileSystem fileSystem)
{
_config = config;
_httpClientFactory = httpClientFactory;
_fileSystem = fileSystem;
}
/// <inheritdoc />
public string Name => "Artwork Repository";
/// <inheritdoc />
public bool Supports(BaseItem item)
{
return item is Studio;
}
/// <inheritdoc />
public IEnumerable<ImageType> GetSupportedImages(BaseItem item)
{
return new List<ImageType>
{
ImageType.Thumb
};
}
/// <inheritdoc />
public async Task<IEnumerable<RemoteImageInfo>> GetImages(BaseItem item, CancellationToken cancellationToken)
{
var thumbsPath = Path.Combine(_config.ApplicationPaths.CachePath, "imagesbyname", "remotestudiothumbs.txt");
thumbsPath = await EnsureThumbsList(thumbsPath, cancellationToken).ConfigureAwait(false);
cancellationToken.ThrowIfCancellationRequested();
var imageInfo = GetImage(item, thumbsPath, ImageType.Thumb, "thumb");
if (imageInfo is null)
{
return Enumerable.Empty<RemoteImageInfo>();
}
return new RemoteImageInfo[]
{
imageInfo
};
}
private RemoteImageInfo GetImage(BaseItem item, string filename, ImageType type, string remoteFilename)
{
var list = GetAvailableImages(filename);
var match = FindMatch(item, list);
if (!string.IsNullOrEmpty(match))
{
var url = GetUrl(match, remoteFilename);
return new RemoteImageInfo
{
ProviderName = Name,
Type = type,
Url = url
};
}
return null;
}
private string GetUrl(string image, string filename)
{
return string.Format(CultureInfo.InvariantCulture, "{0}/images/{1}/{2}.jpg", GetRepositoryUrl(), image, filename);
}
private Task<string> EnsureThumbsList(string file, CancellationToken cancellationToken)
{
string url = string.Format(CultureInfo.InvariantCulture, "{0}/thumbs.txt", GetRepositoryUrl());
return EnsureList(url, file, _fileSystem, cancellationToken);
}
/// <inheritdoc />
public Task<HttpResponseMessage> GetImageResponse(string url, CancellationToken cancellationToken)
{
var httpClient = _httpClientFactory.CreateClient(NamedClient.Default);
return httpClient.GetAsync(url, cancellationToken);
}
/// <summary>
/// Ensures the existence of a file listing.
/// </summary>
/// <param name="url">The URL.</param>
/// <param name="file">The file.</param>
/// <param name="fileSystem">The file system.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>A Task to ensure existence of a file listing.</returns>
public async Task<string> EnsureList(string url, string file, IFileSystem fileSystem, CancellationToken cancellationToken)
{
var fileInfo = fileSystem.GetFileInfo(file);
if (!fileInfo.Exists || (DateTime.UtcNow - fileSystem.GetLastWriteTimeUtc(fileInfo)).TotalDays > 1)
{
var httpClient = _httpClientFactory.CreateClient(NamedClient.Default);
Directory.CreateDirectory(Path.GetDirectoryName(file));
await using var response = await httpClient.GetStreamAsync(url, cancellationToken).ConfigureAwait(false);
await using var fileStream = new FileStream(file, FileMode.Create, FileAccess.Write, FileShare.None, IODefaults.FileStreamBufferSize, FileOptions.Asynchronous);
await response.CopyToAsync(fileStream, cancellationToken).ConfigureAwait(false);
}
return file;
}
/// <summary>
/// Get matching image for an item.
/// </summary>
/// <param name="item">The <see cref="BaseItem"/>.</param>
/// <param name="images">The enumerable of image strings.</param>
/// <returns>The matching image string.</returns>
public string FindMatch(BaseItem item, IEnumerable<string> images)
{
var name = GetComparableName(item.Name);
return images.FirstOrDefault(i => string.Equals(name, GetComparableName(i), StringComparison.OrdinalIgnoreCase));
}
private string GetComparableName(string name)
{
return name.Replace(" ", string.Empty, StringComparison.Ordinal)
.Replace(".", string.Empty, StringComparison.Ordinal)
.Replace("&", string.Empty, StringComparison.Ordinal)
.Replace("!", string.Empty, StringComparison.Ordinal)
.Replace(",", string.Empty, StringComparison.Ordinal)
.Replace("/", string.Empty, StringComparison.Ordinal);
}
/// <summary>
/// Get available image strings for a file.
/// </summary>
/// <param name="file">The file.</param>
/// <returns>All images strings of a file.</returns>
public IEnumerable<string> GetAvailableImages(string file)
{
using var fileStream = File.OpenRead(file);
using var reader = new StreamReader(fileStream);
foreach (var line in reader.ReadAllLines())
{
if (!string.IsNullOrWhiteSpace(line))
{
yield return line;
}
}
}
private string GetRepositoryUrl()
=> Plugin.Instance.Configuration.RepositoryUrl;
}
}
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