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158 lines
5.5 KiB
C#
158 lines
5.5 KiB
C#
using System;
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using System.IO;
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using System.Linq;
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Library;
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using MediaBrowser.Controller.Providers;
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using MediaBrowser.Model.IO;
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namespace Emby.Server.Implementations.Library
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{
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/// <summary>
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/// Class ResolverHelper.
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/// </summary>
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public static class ResolverHelper
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{
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/// <summary>
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/// Sets the initial item values.
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/// </summary>
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/// <param name="item">The item.</param>
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/// <param name="parent">The parent.</param>
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/// <param name="libraryManager">The library manager.</param>
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/// <param name="directoryService">The directory service.</param>
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/// <returns>True if initializing was successful.</returns>
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/// <exception cref="ArgumentException">Item must have a path.</exception>
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public static bool SetInitialItemValues(BaseItem item, Folder? parent, ILibraryManager libraryManager, IDirectoryService directoryService)
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{
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// This version of the below method has no ItemResolveArgs, so we have to require the path already being set
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ArgumentException.ThrowIfNullOrEmpty(item.Path);
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// If the resolver didn't specify this
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if (parent is not null)
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{
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item.SetParent(parent);
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}
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item.Id = libraryManager.GetNewItemId(item.Path, item.GetType());
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item.IsLocked = item.Path.IndexOf("[dontfetchmeta]", StringComparison.OrdinalIgnoreCase) != -1 ||
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item.GetParents().Any(i => i.IsLocked);
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// Make sure DateCreated and DateModified have values
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var fileInfo = directoryService.GetFile(item.Path);
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if (fileInfo is null)
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{
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return false;
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}
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SetDateCreated(item, fileInfo);
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EnsureName(item, fileInfo);
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return true;
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}
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/// <summary>
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/// Sets the initial item values.
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/// </summary>
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/// <param name="item">The item.</param>
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/// <param name="args">The args.</param>
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/// <param name="fileSystem">The file system.</param>
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/// <param name="libraryManager">The library manager.</param>
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public static void SetInitialItemValues(BaseItem item, ItemResolveArgs args, IFileSystem fileSystem, ILibraryManager libraryManager)
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{
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// If the resolver didn't specify this
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if (string.IsNullOrEmpty(item.Path))
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{
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item.Path = args.Path;
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}
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// If the resolver didn't specify this
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if (args.Parent is not null)
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{
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item.SetParent(args.Parent);
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}
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item.Id = libraryManager.GetNewItemId(item.Path, item.GetType());
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// Make sure the item has a name
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EnsureName(item, args.FileInfo);
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item.IsLocked = item.Path.Contains("[dontfetchmeta]", StringComparison.OrdinalIgnoreCase) ||
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item.GetParents().Any(i => i.IsLocked);
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// Make sure DateCreated and DateModified have values
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EnsureDates(fileSystem, item, args);
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}
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/// <summary>
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/// Ensures the name.
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/// </summary>
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private static void EnsureName(BaseItem item, FileSystemMetadata fileInfo)
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{
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// If the subclass didn't supply a name, add it here
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if (string.IsNullOrEmpty(item.Name) && !string.IsNullOrEmpty(item.Path))
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{
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item.Name = fileInfo.IsDirectory ? fileInfo.Name : Path.GetFileNameWithoutExtension(fileInfo.Name);
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}
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}
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/// <summary>
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/// Ensures DateCreated and DateModified have values.
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/// </summary>
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/// <param name="fileSystem">The file system.</param>
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/// <param name="item">The item.</param>
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/// <param name="args">The args.</param>
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private static void EnsureDates(IFileSystem fileSystem, BaseItem item, ItemResolveArgs args)
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{
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// See if a different path came out of the resolver than what went in
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if (!fileSystem.AreEqual(args.Path, item.Path))
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{
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var childData = args.IsDirectory ? args.GetFileSystemEntryByPath(item.Path) : null;
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if (childData is not null)
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{
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SetDateCreated(item, childData);
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}
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else
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{
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var fileData = fileSystem.GetFileSystemInfo(item.Path);
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if (fileData.Exists)
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{
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SetDateCreated(item, fileData);
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}
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}
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}
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else
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{
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SetDateCreated(item, args.FileInfo);
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}
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}
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private static void SetDateCreated(BaseItem item, FileSystemMetadata? info)
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{
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var config = BaseItem.ConfigurationManager.GetMetadataConfiguration();
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if (config.UseFileCreationTimeForDateAdded)
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{
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// directoryService.getFile may return null
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if (info is not null)
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{
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var dateCreated = info.CreationTimeUtc;
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if (dateCreated.Equals(DateTime.MinValue))
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{
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dateCreated = DateTime.UtcNow;
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}
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item.DateCreated = dateCreated;
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}
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}
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else
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{
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item.DateCreated = DateTime.UtcNow;
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}
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}
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}
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}
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