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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 PreviewCommand : ICommand
{
private const char TEE = '\u251c';
private const char ELBOW = '\u2514';
private const char V_BAR = '\u2502';
private const char H_BAR = '\u2500';
public static void Configure(CommandLineApplication command)
{
command.HelpOption("-h|--help");
command.Description = "Display the directory structure that would result from " +
"running 'iPhotoExtractor extract'.";
var libPathArgument = command.Argument(
"library_dir",
"Path to the iPhoto library directory.");
var outputDirArgument = command.Argument(
"[output_dir]",
"Path to the directory where extracted photos will be copied.");
command.OnExecute(() =>
{
(new PreviewCommand(libPathArgument.Value, outputDirArgument.Value)).Run();
return 0;
});
}
private readonly string _libraryDir;
private readonly string _outputDir;
public PreviewCommand(string libraryDir, string outputDir)
{
_libraryDir = libraryDir;
_outputDir = outputDir;
}
public void Run()
{
var libraryDir = String.IsNullOrWhiteSpace(_libraryDir) ?
Directory.GetCurrentDirectory() :
_libraryDir;
var outputDir = String.IsNullOrWhiteSpace(_outputDir) ?
Directory.GetCurrentDirectory() :
_outputDir;
var dbPath = Path.Combine(libraryDir, "iPhotoMain.db");
if (!File.Exists(dbPath))
{
Console.WriteLine($"File '{dbPath}' not found.");
return;
}
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(_outputDir);
string album;
for (int i = 0; i < albums.Keys.Count - 1; i++)
{
album = albums.Keys.ElementAt(i);
DrawAlbumTree(album, albums[album], false);
}
album = albums.Keys.Last();
DrawAlbumTree(album, albums[album], true);
}
private void DrawAlbumTree(string albumName, List<Photo> photos, bool isLastChild)
{
var modified = photos
.Where(p => p.HasModifiedVersion() && p.HasOriginalVersion())
.ToList();
var hasModified = modified.Any();
string prefix = isLastChild ? " " : $"{V_BAR} ";
Console.WriteLine($"{GetCurrLevelTreeString(isLastChild)}{albumName}");
DrawPhotos(photos, prefix, hasModified);
if (!hasModified)
return;
Console.WriteLine($"{prefix}{GetCurrLevelTreeString(true)}Originals");
DrawPhotos(modified, prefix + " ", false);
}
private void DrawPhotos(List<Photo> photos, string prefix, bool hasModified)
{
for (int i = 0; i < photos.Count; i++)
{
var photo = photos.ElementAt(i);
var isLastChild = i == photos.Count - 1 && !hasModified;
List<string> paths = new List<string>();
if (hasModified)
paths.AddRange(photo.GetUniquePaths(PhotoPathType.Modified));
if (!paths.Any())
paths.AddRange(photo.GetUniquePaths(PhotoPathType.Original));
if (!paths.Any())
paths.Add("");
for (int j = 0; j < paths.Count; j++)
{
var path = paths.ElementAt(j);
if (j < paths.Count - 1)
DrawPhoto(path, prefix, false);
else
DrawPhoto(path, prefix, isLastChild);
}
}
}
private void DrawPhoto(string relativePath, string prefix, bool isLastChild)
{
string fileName = Path.GetFileName(relativePath);
string currLevel = GetCurrLevelTreeString(isLastChild);
Console.WriteLine($"{prefix}{currLevel}{fileName} ({relativePath})");
}
private string GetCurrLevelTreeString(bool isLastChild)
{
if (isLastChild)
return $"{ELBOW}{H_BAR}{H_BAR} ";
else
return $"{TEE}{H_BAR}{H_BAR} ";
}
}
}
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