/// <summary>
/// Runs the organizer by recursively searching every directory from the given <paramref name="inputDirectory" />.
/// </summary>
/// <param name="inputDirectory">Path to initial directory to search for media files.</param>
/// <param name="database">Indicates whether a database is used.</param>
public async Task RunOrganizerAsync(string inputDirectory)
{
// if input directory does not exist, throw exception and end run
inputDirectory.EnsureDirectoryExists();
// preliminary setup
var hashAlgorithm = _configuration.GetValue <Algorithm>("hash-algorithm");
var checksum = new Checksum(hashAlgorithm);
var photoCounter = 0;
if (!(_context is null))
{
await _context.Database.EnsureCreatedAsync();
}
_logger.LogInformation($"Begin organizing in { inputDirectory }");
await foreach (var photo in PhotoHandler.FindPhotosAsync(inputDirectory))
{
using var fs = File.OpenRead(photo.FilePath);
// Compute checksum
photo.Checksum = checksum.ComputeChecksum(fs);
// Reset filestream position
fs.Position = 0;
// Fetch metadata directories using MetadataExctractor and parse metadata to the Photo object
var metadataDirectories = ImageMetadataReader.ReadMetadata(fs);
ParseMetadata.Parse(photo, metadataDirectories);
// Rename and sort photos
_sortService.SortPhoto(photo);
// Add photo to database context if it does not exist already
if (!(_context is null) && !await _context.Photos.AnyAsync(p => p.Name == photo.Name))
{
await _context.Photos.AddAsync(photo);
}
photoCounter++;
}
if (!(_context is null))
{
// Save all additions to the database
await _context.SaveChangesAsync();
}
_logger.LogInformation($"End organizing. Organized { photoCounter } photos.");
}
public void ParseDirectories()
{
// Align the data formatting for testing
Thread.CurrentThread.CurrentCulture = CultureInfo.GetCultureInfo("en-US");
// SubIFD
float fNumber = 12;
short iso = 1200;
var apexValue = 1;
var dateTimeOriginal = DateTime.Today;
float focalLength = 30;
// JPEG
var height = 32;
var width = 32;
var directories = new List <Directory>
{
CreateSubIfdDirectory(fNumber, iso, apexValue, dateTimeOriginal, focalLength),
CreateJpegDirectory(height, width)
};
var photo = new Photo("");
ParseMetadata.Parse(photo, directories);
// Assert JPEG metadata
Assert.Equal(height, photo.Height);
Assert.Equal(width, photo.Width);
// Assert SubIFD metadata
Assert.Equal(fNumber, photo.FNumber);
Assert.Equal(iso, photo.Iso);
Assert.Equal("0.5 sec", photo.ShutterSpeed); // round((1 / exp(1 * log(2))) * 10) / 10 = 0.5
Assert.Equal(dateTimeOriginal, photo.DateTimeOriginal);
Assert.Equal(focalLength, photo.FocalLength);
}
public void ParseNullDirectories()
{
var photo = new Photo("");
ParseMetadata.Parse(photo, null);
}