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using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using Microsoft.Extensions.CommandLineUtils;
namespace iPhotoExtractor.Commands
{
public class ExtractCommand : ICommand
{
public static void Configure(CommandLineApplication command)
{
command.HelpOption("-h|--help");
command.Description = "Copy photos from their original locations to a directory " +
"structure mirroring the event albums within iPhoto.";
var libPathArgument = command.Argument(
"library_dir",
"Path to the iPhoto library directory.");
var outputDirArgument = command.Argument(
"[output_dir]",
"Path to the directory where the extracted photos will be copied.");
command.OnExecute(() =>
{
(new ExtractCommand(libPathArgument.Value, outputDirArgument.Value)).Run();
return 0;
});
}
private readonly string _libraryDir;
private readonly string _outputDir;
public ExtractCommand(string libraryDir, string outputDir)
{
_libraryDir = libraryDir;
_outputDir = outputDir;
}
public void Run()
{
var libraryDir = String.IsNullOrWhiteSpace(_libraryDir) ?
Directory.GetCurrentDirectory() :
_libraryDir;
var outputDir = String.IsNullOrWhiteSpace(_outputDir) ?
Path.Combine(Directory.GetCurrentDirectory(), "Extracted Photos") :
_outputDir;
var dbPath = Path.Combine(libraryDir, "iPhotoMain.db");
if (!File.Exists(dbPath))
{
Console.WriteLine($"File '{dbPath}' not found.");
return;
}
if (Directory.Exists(outputDir))
{
Console.Write($"Warning: directory '{outputDir}' already exists. Continue (y/n)? ");
var response = Console.ReadLine().Trim().ToLower();
if (response != "y" && response != "yes")
return;
}
Directory.CreateDirectory(outputDir);
var photoStore = new PhotoStore(dbPath);
List<Photo> photos = photoStore.GetAllPhotos();
Dictionary<string, List<Photo>> albums = photos
.GroupBy(p => p.AlbumName)
.ToDictionary(g => g.Key, g => g.ToList());
Console.WriteLine($"Found {albums.Keys.Count} albums.");
var counter = 1;
foreach (string album in albums.Keys)
{
var albumPhotos = albums[album];
var s = albumPhotos.Count == 1 ? "" : "s";
Console.WriteLine($"[{counter}/{albums.Keys.Count}] Extracting album '{album}' " +
$"({albumPhotos.Count} photo{s})...");
ExtractAlbum(libraryDir, outputDir, album, albumPhotos);
counter++;
}
Console.WriteLine("Done.");
}
private void ExtractAlbum(
string libraryDir,
string outputDir,
string albumName,
List<Photo> photos)
{
string albumDir = String.IsNullOrWhiteSpace(albumName) ?
Path.Combine(outputDir, "Untitled Album") :
Path.Combine(outputDir, albumName);
if (!Directory.Exists(albumDir))
Directory.CreateDirectory(albumDir);
var hasModified = photos.Any(p => p.HasModifiedVersion());
string originalsDir = Path.Combine(albumDir, "Originals");
if (hasModified && !Directory.Exists(originalsDir))
Directory.CreateDirectory(originalsDir);
foreach (var photo in photos)
{
List<string> paths = photo.GetUniquePaths(PhotoPathType.Modified);
bool isModified = false;
if (paths.Any())
{
isModified = true;
foreach (string path in paths)
{
CopyPhoto(libraryDir, albumDir, path);
}
}
paths = photo.GetUniquePaths(PhotoPathType.Original);
string destDir = isModified ? originalsDir : albumDir;
foreach (string path in paths)
{
CopyPhoto(libraryDir, destDir, path);
}
}
}
private void CopyPhoto(string libraryDir, string destDir, string relativePhotoPath)
{
string fileName = Path.GetFileNameWithoutExtension(relativePhotoPath);
string extension = Path.GetExtension(relativePhotoPath);
string destFileName = $"{fileName}{extension}";
var suffix = 2;
while (File.Exists(Path.Combine(destDir, destFileName)))
{
destFileName = $"{fileName} ({suffix}){extension}";
suffix++;
}
string sourcePath = Path.Combine(libraryDir, relativePhotoPath);
string destPath = Path.Combine(destDir, destFileName);
File.Copy(sourcePath, destPath);
}
}
}
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