From 2ecbe281b0351e630c7730b44c1f4a9c3b3062a5 Mon Sep 17 00:00:00 2001
From: Daniel Smith <rdnlsmith@gmail.com>
Date: Sun, 26 Aug 2018 21:22:32 -0400
Subject: Initial commit

---
 src/Commands/ExtractCommand.cs | 158 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 158 insertions(+)
 create mode 100644 src/Commands/ExtractCommand.cs

(limited to 'src/Commands/ExtractCommand.cs')

diff --git a/src/Commands/ExtractCommand.cs b/src/Commands/ExtractCommand.cs
new file mode 100644
index 0000000..5872fd6
--- /dev/null
+++ b/src/Commands/ExtractCommand.cs
@@ -0,0 +1,158 @@
+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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