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using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using MediaBrowser.Common.Configuration;
using MediaBrowser.Controller.Configuration;
using MediaBrowser.Controller.Entities;
using MediaBrowser.Controller.IO;
using Microsoft.Extensions.Logging;
namespace Emby.Server.Implementations.Library;
/// <summary>
/// IPathManager implementation.
/// </summary>
public class PathManager : IPathManager
{
private readonly ILogger<PathManager> _logger;
private readonly IServerConfigurationManager _config;
private readonly IApplicationPaths _appPaths;
/// <summary>
/// Initializes a new instance of the <see cref="PathManager"/> class.
/// </summary>
/// <param name="logger">The logger.</param>
/// <param name="config">The server configuration manager.</param>
/// <param name="appPaths">The application paths.</param>
public PathManager(
ILogger<PathManager> logger,
IServerConfigurationManager config,
IApplicationPaths appPaths)
{
_logger = logger;
_config = config;
_appPaths = appPaths;
}
private string SubtitleCachePath => Path.Combine(_appPaths.DataPath, "subtitles");
private string AttachmentCachePath => Path.Combine(_appPaths.DataPath, "attachments");
/// <inheritdoc />
public string? GetAttachmentPath(string mediaSourceId, string fileName)
{
var folder = GetAttachmentFolderPath(mediaSourceId);
return folder is null ? null : Path.Combine(folder, fileName);
}
/// <inheritdoc />
public string? GetAttachmentFolderPath(string mediaSourceId)
{
if (!Guid.TryParse(mediaSourceId, out var parsed))
{
_logger.LogDebug("MediaSource Id '{MediaSourceId}' is not a GUID; no on-disk attachment folder.", mediaSourceId);
return null;
}
var id = parsed.ToString("D", CultureInfo.InvariantCulture).AsSpan();
return Path.Join(AttachmentCachePath, id[..2], id);
}
/// <inheritdoc />
public string? GetSubtitleFolderPath(string mediaSourceId)
{
if (!Guid.TryParse(mediaSourceId, out var parsed))
{
_logger.LogDebug("MediaSource Id '{MediaSourceId}' is not a GUID; no on-disk subtitle folder.", mediaSourceId);
return null;
}
var id = parsed.ToString("D", CultureInfo.InvariantCulture).AsSpan();
return Path.Join(SubtitleCachePath, id[..2], id);
}
/// <inheritdoc />
public string? GetSubtitlePath(string mediaSourceId, int streamIndex, string extension)
{
var folder = GetSubtitleFolderPath(mediaSourceId);
return folder is null ? null : Path.Combine(folder, streamIndex.ToString(CultureInfo.InvariantCulture) + extension);
}
/// <inheritdoc />
public string GetTrickplayDirectory(BaseItem item, bool saveWithMedia = false)
{
var id = item.Id.ToString("D", CultureInfo.InvariantCulture).AsSpan();
return saveWithMedia
? Path.Combine(item.ContainingFolderPath, Path.ChangeExtension(Path.GetFileName(item.Path), ".trickplay"))
: Path.Join(_config.ApplicationPaths.TrickplayPath, id[..2], id);
}
/// <inheritdoc/>
public string GetChapterImageFolderPath(BaseItem item)
{
return Path.Combine(item.GetInternalMetadataPath(), "chapters");
}
/// <inheritdoc/>
public string GetChapterImagePath(BaseItem item, long chapterPositionTicks)
{
var filename = item.DateModified.Ticks.ToString(CultureInfo.InvariantCulture) + "_" + chapterPositionTicks.ToString(CultureInfo.InvariantCulture) + ".jpg";
return Path.Combine(GetChapterImageFolderPath(item), filename);
}
/// <inheritdoc/>
public IReadOnlyList<string> GetExtractedDataPaths(BaseItem item)
{
var mediaSourceId = item.Id.ToString("N", CultureInfo.InvariantCulture);
List<string> paths = [];
var attachmentFolder = GetAttachmentFolderPath(mediaSourceId);
if (attachmentFolder is not null)
{
paths.Add(attachmentFolder);
}
var subtitleFolder = GetSubtitleFolderPath(mediaSourceId);
if (subtitleFolder is not null)
{
paths.Add(subtitleFolder);
}
paths.Add(GetTrickplayDirectory(item, false));
paths.Add(GetTrickplayDirectory(item, true));
paths.Add(GetChapterImageFolderPath(item));
return paths;
}
}
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