jellyfin/MediaBrowser.LocalMetadata/Savers/BaseXmlSaver.cs
2022-01-22 23:36:42 +01:00

511 lines
21 KiB
C#

using System;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Xml;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.Entities.Movies;
using MediaBrowser.Controller.Entities.TV;
using MediaBrowser.Controller.Library;
using MediaBrowser.Controller.Playlists;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.IO;
using Microsoft.Extensions.Logging;
namespace MediaBrowser.LocalMetadata.Savers
{
/// <inheritdoc />
public abstract class BaseXmlSaver : IMetadataFileSaver
{
/// <summary>
/// Initializes a new instance of the <see cref="BaseXmlSaver"/> class.
/// </summary>
/// <param name="fileSystem">Instance of the <see cref="IFileSystem"/> interface.</param>
/// <param name="configurationManager">Instance of the <see cref="IServerConfigurationManager"/> interface.</param>
/// <param name="libraryManager">Instance of the <see cref="ILibraryManager"/> interface.</param>
/// <param name="logger">Instance of the <see cref="ILogger{BaseXmlSaver}"/> interface.</param>
protected BaseXmlSaver(IFileSystem fileSystem, IServerConfigurationManager configurationManager, ILibraryManager libraryManager, ILogger<BaseXmlSaver> logger)
{
FileSystem = fileSystem;
ConfigurationManager = configurationManager;
LibraryManager = libraryManager;
Logger = logger;
}
/// <summary>
/// Gets the file system.
/// </summary>
protected IFileSystem FileSystem { get; private set; }
/// <summary>
/// Gets the configuration manager.
/// </summary>
protected IServerConfigurationManager ConfigurationManager { get; private set; }
/// <summary>
/// Gets the library manager.
/// </summary>
protected ILibraryManager LibraryManager { get; private set; }
/// <summary>
/// Gets the logger.
/// </summary>
protected ILogger<BaseXmlSaver> Logger { get; private set; }
/// <inheritdoc />
public string Name => XmlProviderUtils.Name;
/// <inheritdoc />
public string GetSavePath(BaseItem item)
{
return GetLocalSavePath(item);
}
/// <summary>
/// Gets the save path.
/// </summary>
/// <param name="item">The item.</param>
/// <returns>System.String.</returns>
protected abstract string GetLocalSavePath(BaseItem item);
/// <summary>
/// Gets the name of the root element.
/// </summary>
/// <param name="item">The item.</param>
/// <returns>System.String.</returns>
protected virtual string GetRootElementName(BaseItem item)
=> "Item";
/// <summary>
/// Determines whether [is enabled for] [the specified item].
/// </summary>
/// <param name="item">The item.</param>
/// <param name="updateType">Type of the update.</param>
/// <returns><c>true</c> if [is enabled for] [the specified item]; otherwise, <c>false</c>.</returns>
public abstract bool IsEnabledFor(BaseItem item, ItemUpdateType updateType);
/// <inheritdoc />
public async Task SaveAsync(BaseItem item, CancellationToken cancellationToken)
{
var path = GetSavePath(item);
var directory = Path.GetDirectoryName(path) ?? throw new InvalidDataException($"Provided path ({path}) is not valid.");
Directory.CreateDirectory(directory);
// On Windows, savint the file will fail if the file is hidden or readonly
FileSystem.SetAttributes(path, false, false);
var fileStreamOptions = new FileStreamOptions()
{
Mode = FileMode.Create,
Access = FileAccess.Write,
Share = FileShare.None
};
var filestream = new FileStream(path, fileStreamOptions);
await using (filestream.ConfigureAwait(false))
{
var settings = new XmlWriterSettings
{
Indent = true,
Encoding = Encoding.UTF8,
Async = true
};
var writer = XmlWriter.Create(filestream, settings);
await using (writer.ConfigureAwait(false))
{
var root = GetRootElementName(item);
await writer.WriteStartDocumentAsync(true).ConfigureAwait(false);
await writer.WriteStartElementAsync(null, root, null).ConfigureAwait(false);
var baseItem = item;
if (baseItem != null)
{
await AddCommonNodesAsync(baseItem, writer).ConfigureAwait(false);
}
await WriteCustomElementsAsync(item, writer).ConfigureAwait(false);
await writer.WriteEndElementAsync().ConfigureAwait(false);
await writer.WriteEndDocumentAsync().ConfigureAwait(false);
}
}
if (ConfigurationManager.Configuration.SaveMetadataHidden)
{
SetHidden(path, true);
}
}
private void SetHidden(string path, bool hidden)
{
try
{
FileSystem.SetHidden(path, hidden);
}
catch (Exception ex)
{
Logger.LogError(ex, "Error setting hidden attribute on {Path}", path);
}
}
/// <summary>
/// Write custom elements.
/// </summary>
/// <param name="item">The item.</param>
/// <param name="writer">The xml writer.</param>
/// <returns>The task object representing the asynchronous operation.</returns>
protected abstract Task WriteCustomElementsAsync(BaseItem item, XmlWriter writer);
/// <summary>
/// Adds the common nodes.
/// </summary>
/// <param name="item">The item.</param>
/// <param name="writer">The xml writer.</param>
/// <returns>The task object representing the asynchronous operation.</returns>
private async Task AddCommonNodesAsync(BaseItem item, XmlWriter writer)
{
if (!string.IsNullOrEmpty(item.OfficialRating))
{
await writer.WriteElementStringAsync(null, "ContentRating", null, item.OfficialRating).ConfigureAwait(false);
}
await writer.WriteElementStringAsync(null, "Added", null, item.DateCreated.ToLocalTime().ToString("G", CultureInfo.InvariantCulture)).ConfigureAwait(false);
await writer.WriteElementStringAsync(null, "LockData", null, item.IsLocked.ToString(CultureInfo.InvariantCulture).ToLowerInvariant()).ConfigureAwait(false);
if (item.LockedFields.Length > 0)
{
await writer.WriteElementStringAsync(null, "LockedFields", null, string.Join('|', item.LockedFields)).ConfigureAwait(false);
}
if (item.CriticRating.HasValue)
{
await writer.WriteElementStringAsync(null, "CriticRating", null, item.CriticRating.Value.ToString(CultureInfo.InvariantCulture)).ConfigureAwait(false);
}
if (!string.IsNullOrEmpty(item.Overview))
{
await writer.WriteElementStringAsync(null, "Overview", null, item.Overview).ConfigureAwait(false);
}
if (!string.IsNullOrEmpty(item.OriginalTitle))
{
await writer.WriteElementStringAsync(null, "OriginalTitle", null, item.OriginalTitle).ConfigureAwait(false);
}
if (!string.IsNullOrEmpty(item.CustomRating))
{
await writer.WriteElementStringAsync(null, "CustomRating", null, item.CustomRating).ConfigureAwait(false);
}
if (!string.IsNullOrEmpty(item.Name) && item is not Episode)
{
await writer.WriteElementStringAsync(null, "LocalTitle", null, item.Name).ConfigureAwait(false);
}
var forcedSortName = item.ForcedSortName;
if (!string.IsNullOrEmpty(forcedSortName))
{
await writer.WriteElementStringAsync(null, "SortTitle", null, forcedSortName).ConfigureAwait(false);
}
if (item.PremiereDate.HasValue)
{
if (item is Person)
{
await writer.WriteElementStringAsync(null, "BirthDate", null, item.PremiereDate.Value.ToLocalTime().ToString("yyyy-MM-dd", CultureInfo.InvariantCulture)).ConfigureAwait(false);
}
else if (item is not Episode)
{
await writer.WriteElementStringAsync(null, "PremiereDate", null, item.PremiereDate.Value.ToLocalTime().ToString("yyyy-MM-dd", CultureInfo.InvariantCulture)).ConfigureAwait(false);
}
}
if (item.EndDate.HasValue)
{
if (item is Person)
{
await writer.WriteElementStringAsync(null, "DeathDate", null, item.EndDate.Value.ToLocalTime().ToString("yyyy-MM-dd", CultureInfo.InvariantCulture)).ConfigureAwait(false);
}
else if (item is not Episode)
{
await writer.WriteElementStringAsync(null, "EndDate", null, item.EndDate.Value.ToLocalTime().ToString("yyyy-MM-dd", CultureInfo.InvariantCulture)).ConfigureAwait(false);
}
}
if (item.RemoteTrailers.Count > 0)
{
await writer.WriteStartElementAsync(null, "Trailers", null).ConfigureAwait(false);
foreach (var trailer in item.RemoteTrailers)
{
await writer.WriteElementStringAsync(null, "Trailer", null, trailer.Url).ConfigureAwait(false);
}
await writer.WriteEndElementAsync().ConfigureAwait(false);
}
if (item.ProductionLocations.Length > 0)
{
await writer.WriteStartElementAsync(null, "Countries", null).ConfigureAwait(false);
foreach (var name in item.ProductionLocations)
{
await writer.WriteElementStringAsync(null, "Country", null, name).ConfigureAwait(false);
}
await writer.WriteEndElementAsync().ConfigureAwait(false);
}
if (item is IHasDisplayOrder hasDisplayOrder && !string.IsNullOrEmpty(hasDisplayOrder.DisplayOrder))
{
await writer.WriteElementStringAsync(null, "DisplayOrder", null, hasDisplayOrder.DisplayOrder).ConfigureAwait(false);
}
if (item.CommunityRating.HasValue)
{
await writer.WriteElementStringAsync(null, "Rating", null, item.CommunityRating.Value.ToString(CultureInfo.InvariantCulture)).ConfigureAwait(false);
}
if (item.ProductionYear.HasValue && item is not Person)
{
await writer.WriteElementStringAsync(null, "ProductionYear", null, item.ProductionYear.Value.ToString(CultureInfo.InvariantCulture)).ConfigureAwait(false);
}
if (item is IHasAspectRatio hasAspectRatio)
{
if (!string.IsNullOrEmpty(hasAspectRatio.AspectRatio))
{
await writer.WriteElementStringAsync(null, "AspectRatio", null, hasAspectRatio.AspectRatio).ConfigureAwait(false);
}
}
if (!string.IsNullOrEmpty(item.PreferredMetadataLanguage))
{
await writer.WriteElementStringAsync(null, "Language", null, item.PreferredMetadataLanguage).ConfigureAwait(false);
}
if (!string.IsNullOrEmpty(item.PreferredMetadataCountryCode))
{
await writer.WriteElementStringAsync(null, "CountryCode", null, item.PreferredMetadataCountryCode).ConfigureAwait(false);
}
// Use original runtime here, actual file runtime later in MediaInfo
var runTimeTicks = item.RunTimeTicks;
if (runTimeTicks.HasValue)
{
var timespan = TimeSpan.FromTicks(runTimeTicks.Value);
await writer.WriteElementStringAsync(null, "RunningTime", null, Math.Floor(timespan.TotalMinutes).ToString(CultureInfo.InvariantCulture)).ConfigureAwait(false);
}
if (item.ProviderIds != null)
{
foreach (var providerKey in item.ProviderIds.Keys)
{
var providerId = item.ProviderIds[providerKey];
if (!string.IsNullOrEmpty(providerId))
{
await writer.WriteElementStringAsync(null, providerKey + "Id", null, providerId).ConfigureAwait(false);
}
}
}
if (!string.IsNullOrWhiteSpace(item.Tagline))
{
await writer.WriteStartElementAsync(null, "Taglines", null).ConfigureAwait(false);
await writer.WriteElementStringAsync(null, "Tagline", null, item.Tagline).ConfigureAwait(false);
await writer.WriteEndElementAsync().ConfigureAwait(false);
}
if (item.Genres.Length > 0)
{
await writer.WriteStartElementAsync(null, "Genres", null).ConfigureAwait(false);
foreach (var genre in item.Genres)
{
await writer.WriteElementStringAsync(null, "Genre", null, genre).ConfigureAwait(false);
}
await writer.WriteEndElementAsync().ConfigureAwait(false);
}
if (item.Studios.Length > 0)
{
await writer.WriteStartElementAsync(null, "Studios", null).ConfigureAwait(false);
foreach (var studio in item.Studios)
{
await writer.WriteElementStringAsync(null, "Studio", null, studio).ConfigureAwait(false);
}
await writer.WriteEndElementAsync().ConfigureAwait(false);
}
if (item.Tags.Length > 0)
{
await writer.WriteStartElementAsync(null, "Tags", null).ConfigureAwait(false);
foreach (var tag in item.Tags)
{
await writer.WriteElementStringAsync(null, "Tag", null, tag).ConfigureAwait(false);
}
await writer.WriteEndElementAsync().ConfigureAwait(false);
}
var people = LibraryManager.GetPeople(item);
if (people.Count > 0)
{
await writer.WriteStartElementAsync(null, "Persons", null).ConfigureAwait(false);
foreach (var person in people)
{
await writer.WriteStartElementAsync(null, "Person", null).ConfigureAwait(false);
await writer.WriteElementStringAsync(null, "Name", null, person.Name).ConfigureAwait(false);
await writer.WriteElementStringAsync(null, "Type", null, person.Type).ConfigureAwait(false);
await writer.WriteElementStringAsync(null, "Role", null, person.Role).ConfigureAwait(false);
if (person.SortOrder.HasValue)
{
await writer.WriteElementStringAsync(null, "SortOrder", null, person.SortOrder.Value.ToString(CultureInfo.InvariantCulture)).ConfigureAwait(false);
}
await writer.WriteEndElementAsync().ConfigureAwait(false);
}
await writer.WriteEndElementAsync().ConfigureAwait(false);
}
if (item is BoxSet boxset)
{
await AddLinkedChildren(boxset, writer, "CollectionItems", "CollectionItem").ConfigureAwait(false);
}
if (item is Playlist playlist && !Playlist.IsPlaylistFile(playlist.Path))
{
await AddLinkedChildren(playlist, writer, "PlaylistItems", "PlaylistItem").ConfigureAwait(false);
}
if (item is IHasShares hasShares)
{
await AddSharesAsync(hasShares, writer).ConfigureAwait(false);
}
await AddMediaInfo(item, writer).ConfigureAwait(false);
}
/// <summary>
/// Add shares.
/// </summary>
/// <param name="item">The item.</param>
/// <param name="writer">The xml writer.</param>
/// <returns>The task object representing the asynchronous operation.</returns>
private static async Task AddSharesAsync(IHasShares item, XmlWriter writer)
{
await writer.WriteStartElementAsync(null, "Shares", null).ConfigureAwait(false);
foreach (var share in item.Shares)
{
await writer.WriteStartElementAsync(null, "Share", null).ConfigureAwait(false);
await writer.WriteElementStringAsync(null, "UserId", null, share.UserId).ConfigureAwait(false);
await writer.WriteElementStringAsync(
null,
"CanEdit",
null,
share.CanEdit.ToString(CultureInfo.InvariantCulture).ToLowerInvariant()).ConfigureAwait(false);
await writer.WriteEndElementAsync().ConfigureAwait(false);
}
await writer.WriteEndElementAsync().ConfigureAwait(false);
}
/// <summary>
/// Appends the media info.
/// </summary>
/// <param name="item">The item.</param>
/// <param name="writer">The xml writer.</param>
/// <typeparam name="T">Type of item.</typeparam>
/// <returns>The task object representing the asynchronous operation.</returns>
private static Task AddMediaInfo<T>(T item, XmlWriter writer)
where T : BaseItem
{
if (item is Video video && video.Video3DFormat.HasValue)
{
return video.Video3DFormat switch
{
Video3DFormat.FullSideBySide =>
writer.WriteElementStringAsync(null, "Format3D", null, "FSBS"),
Video3DFormat.FullTopAndBottom =>
writer.WriteElementStringAsync(null, "Format3D", null, "FTAB"),
Video3DFormat.HalfSideBySide =>
writer.WriteElementStringAsync(null, "Format3D", null, "HSBS"),
Video3DFormat.HalfTopAndBottom =>
writer.WriteElementStringAsync(null, "Format3D", null, "HTAB"),
Video3DFormat.MVC =>
writer.WriteElementStringAsync(null, "Format3D", null, "MVC"),
_ => Task.CompletedTask
};
}
return Task.CompletedTask;
}
/// <summary>
/// ADd linked children.
/// </summary>
/// <param name="item">The item.</param>
/// <param name="writer">The xml writer.</param>
/// <param name="pluralNodeName">The plural node name.</param>
/// <param name="singularNodeName">The singular node name.</param>
/// <returns>The task object representing the asynchronous operation.</returns>
private static async Task AddLinkedChildren(Folder item, XmlWriter writer, string pluralNodeName, string singularNodeName)
{
var items = item.LinkedChildren
.Where(i => i.Type == LinkedChildType.Manual)
.ToList();
if (items.Count == 0)
{
return;
}
await writer.WriteStartElementAsync(null, pluralNodeName, null).ConfigureAwait(false);
foreach (var link in items)
{
if (!string.IsNullOrWhiteSpace(link.Path) || !string.IsNullOrWhiteSpace(link.LibraryItemId))
{
await writer.WriteStartElementAsync(null, singularNodeName, null).ConfigureAwait(false);
if (!string.IsNullOrWhiteSpace(link.Path))
{
await writer.WriteElementStringAsync(null, "Path", null, link.Path).ConfigureAwait(false);
}
if (!string.IsNullOrWhiteSpace(link.LibraryItemId))
{
await writer.WriteElementStringAsync(null, "ItemId", null, link.LibraryItemId).ConfigureAwait(false);
}
await writer.WriteEndElementAsync().ConfigureAwait(false);
}
}
await writer.WriteEndElementAsync().ConfigureAwait(false);
}
}
}