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using System;
using System.Globalization;
using System.IO;
using Emby.Server.Implementations.AppBase;
using Jellyfin.Data.Events;
using MediaBrowser.Common.Configuration;
using MediaBrowser.Controller;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Model.Configuration;
using MediaBrowser.Model.IO;
using MediaBrowser.Model.Serialization;
using Microsoft.Extensions.Logging;
namespace Emby.Server.Implementations.Configuration
{
/// <summary>
/// Class ServerConfigurationManager.
/// </summary>
public class ServerConfigurationManager : BaseConfigurationManager, IServerConfigurationManager
{
/// <summary>
/// Initializes a new instance of the <see cref="ServerConfigurationManager" /> class.
/// </summary>
/// <param name="applicationPaths">The application paths.</param>
/// <param name="loggerFactory">The paramref name="loggerFactory" factory.</param>
/// <param name="xmlSerializer">The XML serializer.</param>
/// <param name="fileSystem">The file system.</param>
public ServerConfigurationManager(IApplicationPaths applicationPaths, ILoggerFactory loggerFactory, IXmlSerializer xmlSerializer, IFileSystem fileSystem)
: base(applicationPaths, loggerFactory, xmlSerializer, fileSystem)
{
UpdateMetadataPath();
}
/// <summary>
/// Configuration updating event.
/// </summary>
public event EventHandler<GenericEventArgs<ServerConfiguration>>? ConfigurationUpdating;
/// <summary>
/// Gets the type of the configuration.
/// </summary>
/// <value>The type of the configuration.</value>
protected override Type ConfigurationType => typeof(ServerConfiguration);
/// <summary>
/// Gets the application paths.
/// </summary>
/// <value>The application paths.</value>
public IServerApplicationPaths ApplicationPaths => (IServerApplicationPaths)CommonApplicationPaths;
/// <summary>
/// Gets the configuration.
/// </summary>
/// <value>The configuration.</value>
public ServerConfiguration Configuration => (ServerConfiguration)CommonConfiguration;
/// <summary>
/// Called when [configuration updated].
/// </summary>
protected override void OnConfigurationUpdated()
{
UpdateMetadataPath();
base.OnConfigurationUpdated();
}
/// <summary>
/// Updates the metadata path.
/// </summary>
/// <exception cref="UnauthorizedAccessException">If the directory does not exist, and the caller does not have the required permission to create it.</exception>
/// <exception cref="NotSupportedException">If there is a custom path transcoding path specified, but it is invalid.</exception>
/// <exception cref="IOException">If the directory does not exist, and it also could not be created.</exception>
private void UpdateMetadataPath()
{
((ServerApplicationPaths)ApplicationPaths).InternalMetadataPath = string.IsNullOrWhiteSpace(Configuration.MetadataPath)
? ApplicationPaths.DefaultInternalMetadataPath
: Configuration.MetadataPath;
Directory.CreateDirectory(ApplicationPaths.InternalMetadataPath);
}
/// <summary>
/// Replaces the configuration.
/// </summary>
/// <param name="newConfiguration">The new configuration.</param>
/// <exception cref="DirectoryNotFoundException">If the configuration path doesn't exist.</exception>
public override void ReplaceConfiguration(BaseApplicationConfiguration newConfiguration)
{
var newConfig = (ServerConfiguration)newConfiguration;
ValidateMetadataPath(newConfig);
ConfigurationUpdating?.Invoke(this, new GenericEventArgs<ServerConfiguration>(newConfig));
base.ReplaceConfiguration(newConfiguration);
}
/// <summary>
/// Validates the metadata path.
/// </summary>
/// <param name="newConfig">The new configuration.</param>
/// <exception cref="DirectoryNotFoundException">The new config path doesn't exist.</exception>
private void ValidateMetadataPath(ServerConfiguration newConfig)
{
var newPath = newConfig.MetadataPath;
if (!string.IsNullOrWhiteSpace(newPath)
&& !string.Equals(Configuration.MetadataPath, newPath, StringComparison.Ordinal))
{
if (!Directory.Exists(newPath))
{
throw new DirectoryNotFoundException(
string.Format(
CultureInfo.InvariantCulture,
"{0} does not exist.",
newPath));
}
EnsureWriteAccess(newPath);
}
}
}
}
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