126 lines
4.4 KiB
C#

using System.Runtime.InteropServices.JavaScript;
using MetadataExtractor;
using MetadataExtractor.Formats.Exif;
using MetadataExtractor.Formats.QuickTime;
using Microsoft.Extensions.Configuration;
using Serilog;
using Spectre.Console;
using Directory = System.IO.Directory;
namespace PhotoRenamer;
internal class Renamer
{
private readonly string _sourcePath;
private readonly string _targetPath;
private int _currentCount;
public Renamer(IConfiguration configuration)
{
_sourcePath = Path.GetFullPath(configuration["Source"]);
_targetPath = Path.GetFullPath(configuration["Target"]);
Log.Information($"Source path: {_sourcePath}");
Log.Information($"Target path: {_targetPath}");
}
public async Task<int> RunAsync()
{
var files = Directory.GetFiles(_sourcePath, "*", SearchOption.AllDirectories);
_currentCount = 0;
var po = new ParallelOptions { MaxDegreeOfParallelism = 3 };
await AnsiConsole
.Progress()
.StartAsync(async ctx =>
{
await Parallel.ForEachAsync(files, po, (s, token) => Body(s, ctx, token));
});
return 0;
}
private async ValueTask Body(string file, ProgressContext progressContext, CancellationToken token)
{
var task = progressContext.AddTask($"[green]{file}[/]");
try
{
DateTime dateTime;
try
{
var directories = ImageMetadataReader.ReadMetadata(file);
dateTime = GetDateTimeFromExif(directories) ?? GetDateTimeFromMp4(directories) ?? GetDateTimeFromLastWrite(file);
}
catch (ImageProcessingException e)
{
Log.Error(e, $"Error reading file information from {file}");
dateTime = GetDateTimeFromLastWrite(file);
}
var folder = CreateFolder(dateTime);
var progress = new Progress<double>(v => task.Value = v * 100);
await CopyFileAsync(folder, file, progress);
}
catch (Exception ex)
{
Log.Error(ex, "Error reading file information");
}
finally
{
Interlocked.Increment(ref _currentCount);
task.StopTask();
}
}
private static DateTime GetDateTimeFromLastWrite(string file)
{
var creationTime = File.GetLastWriteTime(file);
return creationTime;
}
private static DateTime? GetDateTimeFromExif(IEnumerable<MetadataExtractor.Directory> directories)
{
return directories.OfType<ExifIfd0Directory>().FirstOrDefault()?.TryGetDateTime(ExifDirectoryBase.TagDateTime, out var dateTime) == true ? dateTime : null;
}
private static DateTime? GetDateTimeFromMp4(IEnumerable<MetadataExtractor.Directory> directories)
{
return directories.OfType<QuickTimeMovieHeaderDirectory>().FirstOrDefault()?.TryGetDateTime(QuickTimeMovieHeaderDirectory.TagCreated, out var dateTime) == true ? dateTime : null;
}
private static void ResetTimes(FileSystemInfo destination, FileSystemInfo source)
{
destination.LastWriteTime = source.LastWriteTime;
destination.LastWriteTimeUtc = source.LastWriteTimeUtc;
destination.CreationTime = source.CreationTime;
destination.CreationTimeUtc = source.CreationTimeUtc;
}
private static async Task CopyFileAsync(string folder, string file, IProgress<double>? progress = null)
{
var destination = new FileInfo(Path.Combine(folder, Path.GetFileName(file)));
var source = new FileInfo(file);
if (destination.Exists && destination.Length == source.Length)
{
progress?.Report(1);
return;
}
await using var sourceStream = File.Open(source.FullName, FileMode.Open, FileAccess.Read, FileShare.Read);
await using var targetStream = File.Open(destination.FullName, FileMode.Create, FileAccess.ReadWrite, FileShare.ReadWrite);
await sourceStream.CopyToAsync(targetStream, 81920, progress: progress);
ResetTimes(destination, source);
}
private string CreateFolder(DateTime dateTime)
{
var folder = Path.Combine(_targetPath, dateTime.Year.ToString(), dateTime.Month.ToString("D2"));
if (!Directory.Exists(folder))
{
Directory.CreateDirectory(folder);
}
return folder;
}
}