mirror of
https://github.com/claunia/marechai.git
synced 2025-12-16 19:14:25 +00:00
423 lines
16 KiB
C#
423 lines
16 KiB
C#
|
/******************************************************************************
|
||
|
|
// MARECHAI: Master repository of computing history artifacts information
|
||
|
|
// ----------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Author(s) : Natalia Portillo <claunia@claunia.com>
|
||
|
|
//
|
||
|
|
// --[ License ] --------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// This program is free software: you can redistribute it and/or modify
|
||
|
|
// it under the terms of the GNU General Public License as
|
||
|
|
// published by the Free Software Foundation, either version 3 of the
|
||
|
|
// License, or (at your option) any later version.
|
||
|
|
//
|
||
|
|
// This program is distributed in the hope that it will be useful,
|
||
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
// GNU General Public License for more details.
|
||
|
|
//
|
||
|
|
// You should have received a copy of the GNU General Public License
|
||
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
//
|
||
|
|
// ----------------------------------------------------------------------------
|
||
|
|
// Copyright © 2003-2026 Natalia Portillo
|
||
|
|
*******************************************************************************/
|
||
|
|
|
||
|
|
#nullable enable
|
||
|
|
|
||
|
|
using System;
|
||
|
|
using System.Collections.Generic;
|
||
|
|
using System.IO;
|
||
|
|
using System.Linq;
|
||
|
|
using System.Threading.Tasks;
|
||
|
|
using Windows.Storage.Streams;
|
||
|
|
using Humanizer;
|
||
|
|
using Marechai.App.Services;
|
||
|
|
using Marechai.App.Services.Caching;
|
||
|
|
using Microsoft.UI.Xaml.Media.Imaging;
|
||
|
|
using Uno.Extensions.Navigation;
|
||
|
|
using ColorSpace = Marechai.Data.ColorSpace;
|
||
|
|
using Contrast = Marechai.Data.Contrast;
|
||
|
|
using ExposureMode = Marechai.Data.ExposureMode;
|
||
|
|
using ExposureProgram = Marechai.Data.ExposureProgram;
|
||
|
|
using Flash = Marechai.Data.Flash;
|
||
|
|
using LightSource = Marechai.Data.LightSource;
|
||
|
|
using MeteringMode = Marechai.Data.MeteringMode;
|
||
|
|
using Orientation = Marechai.Data.Orientation;
|
||
|
|
using ResolutionUnit = Marechai.Data.ResolutionUnit;
|
||
|
|
using Saturation = Marechai.Data.Saturation;
|
||
|
|
using SceneCaptureType = Marechai.Data.SceneCaptureType;
|
||
|
|
using SensingMethod = Marechai.Data.SensingMethod;
|
||
|
|
using Sharpness = Marechai.Data.Sharpness;
|
||
|
|
using SubjectDistanceRange = Marechai.Data.SubjectDistanceRange;
|
||
|
|
using WhiteBalance = Marechai.Data.WhiteBalance;
|
||
|
|
|
||
|
|
namespace Marechai.App.Presentation.ViewModels;
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Navigation parameter for photo detail page
|
||
|
|
/// </summary>
|
||
|
|
public class PhotoDetailNavigationParameter
|
||
|
|
{
|
||
|
|
public Guid PhotoId { get; set; }
|
||
|
|
}
|
||
|
|
|
||
|
|
public partial class PhotoDetailViewModel : ObservableObject
|
||
|
|
{
|
||
|
|
private readonly ComputersService _computersService;
|
||
|
|
private readonly ILogger<PhotoDetailViewModel> _logger;
|
||
|
|
private readonly INavigator _navigator;
|
||
|
|
private readonly MachinePhotoCache _photoCache;
|
||
|
|
|
||
|
|
[ObservableProperty]
|
||
|
|
private string _errorMessage = string.Empty;
|
||
|
|
|
||
|
|
[ObservableProperty]
|
||
|
|
private bool _errorOccurred;
|
||
|
|
|
||
|
|
[ObservableProperty]
|
||
|
|
private bool _isLoading;
|
||
|
|
|
||
|
|
[ObservableProperty]
|
||
|
|
private bool _isPortrait = true;
|
||
|
|
|
||
|
|
// EXIF Camera Settings
|
||
|
|
[ObservableProperty]
|
||
|
|
private string _photoAperture = string.Empty;
|
||
|
|
|
||
|
|
[ObservableProperty]
|
||
|
|
private string _photoAuthor = string.Empty;
|
||
|
|
|
||
|
|
[ObservableProperty]
|
||
|
|
private string _photoCameraManufacturer = string.Empty;
|
||
|
|
|
||
|
|
[ObservableProperty]
|
||
|
|
private string _photoCameraModel = string.Empty;
|
||
|
|
|
||
|
|
// Photo Properties
|
||
|
|
[ObservableProperty]
|
||
|
|
private string _photoColorSpace = string.Empty;
|
||
|
|
|
||
|
|
[ObservableProperty]
|
||
|
|
private string _photoComments = string.Empty;
|
||
|
|
|
||
|
|
[ObservableProperty]
|
||
|
|
private string _photoContrast = string.Empty;
|
||
|
|
|
||
|
|
[ObservableProperty]
|
||
|
|
private string _photoCreationDate = string.Empty;
|
||
|
|
|
||
|
|
[ObservableProperty]
|
||
|
|
private string _photoDigitalZoomRatio = string.Empty;
|
||
|
|
|
||
|
|
[ObservableProperty]
|
||
|
|
private string _photoExifVersion = string.Empty;
|
||
|
|
|
||
|
|
[ObservableProperty]
|
||
|
|
private string _photoExposureMode = string.Empty;
|
||
|
|
|
||
|
|
[ObservableProperty]
|
||
|
|
private string _photoExposureProgram = string.Empty;
|
||
|
|
|
||
|
|
[ObservableProperty]
|
||
|
|
private string _photoExposureTime = string.Empty;
|
||
|
|
|
||
|
|
[ObservableProperty]
|
||
|
|
private string _photoFlash = string.Empty;
|
||
|
|
|
||
|
|
[ObservableProperty]
|
||
|
|
private string _photoFocalLength = string.Empty;
|
||
|
|
|
||
|
|
[ObservableProperty]
|
||
|
|
private string _photoFocalLengthEquivalent = string.Empty;
|
||
|
|
|
||
|
|
// Resolution and Other
|
||
|
|
[ObservableProperty]
|
||
|
|
private string _photoHorizontalResolution = string.Empty;
|
||
|
|
|
||
|
|
[ObservableProperty]
|
||
|
|
private BitmapImage? _photoImageSource;
|
||
|
|
|
||
|
|
[ObservableProperty]
|
||
|
|
private string _photoIsoRating = string.Empty;
|
||
|
|
|
||
|
|
[ObservableProperty]
|
||
|
|
private string _photoLensModel = string.Empty;
|
||
|
|
|
||
|
|
[ObservableProperty]
|
||
|
|
private string _photoLicenseName = string.Empty;
|
||
|
|
|
||
|
|
[ObservableProperty]
|
||
|
|
private string _photoLightSource = string.Empty;
|
||
|
|
|
||
|
|
[ObservableProperty]
|
||
|
|
private string _photoMachineCompany = string.Empty;
|
||
|
|
|
||
|
|
[ObservableProperty]
|
||
|
|
private string _photoMachineName = string.Empty;
|
||
|
|
|
||
|
|
[ObservableProperty]
|
||
|
|
private string _photoMeteringMode = string.Empty;
|
||
|
|
|
||
|
|
[ObservableProperty]
|
||
|
|
private string _photoOrientation = string.Empty;
|
||
|
|
|
||
|
|
[ObservableProperty]
|
||
|
|
private string _photoOriginalExtension = string.Empty;
|
||
|
|
|
||
|
|
[ObservableProperty]
|
||
|
|
private string _photoResolutionUnit = string.Empty;
|
||
|
|
|
||
|
|
[ObservableProperty]
|
||
|
|
private string _photoSaturation = string.Empty;
|
||
|
|
|
||
|
|
[ObservableProperty]
|
||
|
|
private string _photoSceneCaptureType = string.Empty;
|
||
|
|
|
||
|
|
[ObservableProperty]
|
||
|
|
private string _photoSensingMethod = string.Empty;
|
||
|
|
|
||
|
|
[ObservableProperty]
|
||
|
|
private string _photoSharpness = string.Empty;
|
||
|
|
|
||
|
|
[ObservableProperty]
|
||
|
|
private string _photoSoftwareUsed = string.Empty;
|
||
|
|
|
||
|
|
[ObservableProperty]
|
||
|
|
private string _photoSource = string.Empty;
|
||
|
|
|
||
|
|
[ObservableProperty]
|
||
|
|
private string _photoSubjectDistanceRange = string.Empty;
|
||
|
|
|
||
|
|
[ObservableProperty]
|
||
|
|
private string _photoUploadDate = string.Empty;
|
||
|
|
|
||
|
|
[ObservableProperty]
|
||
|
|
private string _photoVerticalResolution = string.Empty;
|
||
|
|
|
||
|
|
[ObservableProperty]
|
||
|
|
private string _photoWhiteBalance = string.Empty;
|
||
|
|
|
||
|
|
public PhotoDetailViewModel(ILogger<PhotoDetailViewModel> logger, INavigator navigator,
|
||
|
|
ComputersService computersService, MachinePhotoCache photoCache)
|
||
|
|
{
|
||
|
|
_logger = logger;
|
||
|
|
_navigator = navigator;
|
||
|
|
_computersService = computersService;
|
||
|
|
_photoCache = photoCache;
|
||
|
|
}
|
||
|
|
|
||
|
|
[RelayCommand]
|
||
|
|
public async Task GoBack()
|
||
|
|
{
|
||
|
|
await _navigator.GoBack(this);
|
||
|
|
}
|
||
|
|
|
||
|
|
[RelayCommand]
|
||
|
|
public async Task LoadPhoto(Guid photoId)
|
||
|
|
{
|
||
|
|
try
|
||
|
|
{
|
||
|
|
IsLoading = true;
|
||
|
|
ErrorOccurred = false;
|
||
|
|
ErrorMessage = string.Empty;
|
||
|
|
PhotoImageSource = null;
|
||
|
|
|
||
|
|
_logger.LogInformation("Loading photo details for {PhotoId}", photoId);
|
||
|
|
|
||
|
|
// Fetch photo details from API
|
||
|
|
MachinePhotoDto? photo = await _computersService.GetMachinePhotoDetailsAsync(photoId);
|
||
|
|
|
||
|
|
if(photo is null)
|
||
|
|
{
|
||
|
|
ErrorOccurred = true;
|
||
|
|
ErrorMessage = "Photo not found";
|
||
|
|
IsLoading = false;
|
||
|
|
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Populate photo information
|
||
|
|
PhotoAuthor = photo.Author ?? string.Empty;
|
||
|
|
PhotoCameraManufacturer = photo.CameraManufacturer ?? string.Empty;
|
||
|
|
PhotoCameraModel = photo.CameraModel ?? string.Empty;
|
||
|
|
PhotoComments = photo.Comments ?? string.Empty;
|
||
|
|
PhotoLensModel = photo.Lens ?? string.Empty;
|
||
|
|
PhotoLicenseName = photo.LicenseName ?? string.Empty;
|
||
|
|
PhotoMachineCompany = photo.MachineCompanyName ?? string.Empty;
|
||
|
|
PhotoMachineName = photo.MachineName ?? string.Empty;
|
||
|
|
PhotoOriginalExtension = photo.OriginalExtension ?? string.Empty;
|
||
|
|
|
||
|
|
if(photo.CreationDate.HasValue)
|
||
|
|
PhotoCreationDate = photo.CreationDate.Value.ToString("MMMM d, yyyy 'at' HH:mm");
|
||
|
|
|
||
|
|
// EXIF Camera Settings
|
||
|
|
PhotoAperture = photo.Aperture != null ? $"f/{photo.Aperture}" : string.Empty;
|
||
|
|
PhotoExposureTime = photo.Exposure != null ? $"{photo.Exposure}s" : string.Empty;
|
||
|
|
|
||
|
|
PhotoExposureMode =
|
||
|
|
ExtractAndHumanizeEnum(photo.ExposureMethod?.MachinePhotoDtoExposureMethodMember1?.AdditionalData,
|
||
|
|
typeof(ExposureMode));
|
||
|
|
|
||
|
|
PhotoExposureProgram = photo.ExposureProgram?.ExposureProgram != null
|
||
|
|
? ((ExposureProgram)ExtractInt(photo.ExposureProgram.ExposureProgram
|
||
|
|
.AdditionalData)).Humanize()
|
||
|
|
: string.Empty;
|
||
|
|
|
||
|
|
PhotoFocalLength = photo.FocalLength != null ? $"{photo.FocalLength}mm" : string.Empty;
|
||
|
|
PhotoFocalLengthEquivalent = photo.FocalEquivalent != null ? $"{photo.FocalEquivalent}mm" : string.Empty;
|
||
|
|
PhotoIsoRating = photo.Iso != null ? photo.Iso.ToString() : string.Empty;
|
||
|
|
|
||
|
|
PhotoFlash = photo.Flash?.Flash != null
|
||
|
|
? ((Flash)ExtractInt(photo.Flash.Flash.AdditionalData)).Humanize()
|
||
|
|
: string.Empty;
|
||
|
|
|
||
|
|
PhotoLightSource = photo.LightSource?.LightSource != null
|
||
|
|
? ((LightSource)ExtractInt(photo.LightSource.LightSource.AdditionalData)).Humanize()
|
||
|
|
: string.Empty;
|
||
|
|
|
||
|
|
PhotoMeteringMode = photo.MeteringMode?.MeteringMode != null
|
||
|
|
? ((MeteringMode)ExtractInt(photo.MeteringMode.MeteringMode.AdditionalData))
|
||
|
|
.Humanize()
|
||
|
|
: string.Empty;
|
||
|
|
|
||
|
|
PhotoWhiteBalance = photo.WhiteBalance?.WhiteBalance != null
|
||
|
|
? ((WhiteBalance)ExtractInt(photo.WhiteBalance.WhiteBalance.AdditionalData))
|
||
|
|
.Humanize()
|
||
|
|
: string.Empty;
|
||
|
|
|
||
|
|
// Photo Properties
|
||
|
|
PhotoColorSpace = ExtractAndHumanizeEnum(photo.Colorspace?.MachinePhotoDtoColorspaceMember1?.AdditionalData,
|
||
|
|
typeof(ColorSpace));
|
||
|
|
|
||
|
|
PhotoContrast = photo.Contrast?.Contrast != null
|
||
|
|
? ((Contrast)ExtractInt(photo.Contrast.Contrast.AdditionalData)).Humanize()
|
||
|
|
: string.Empty;
|
||
|
|
|
||
|
|
PhotoSaturation = photo.Saturation?.Saturation != null
|
||
|
|
? ((Saturation)ExtractInt(photo.Saturation.Saturation.AdditionalData)).Humanize()
|
||
|
|
: string.Empty;
|
||
|
|
|
||
|
|
PhotoSharpness = photo.Sharpness?.Sharpness != null
|
||
|
|
? ((Sharpness)ExtractInt(photo.Sharpness.Sharpness.AdditionalData)).Humanize()
|
||
|
|
: string.Empty;
|
||
|
|
|
||
|
|
PhotoOrientation = photo.Orientation?.Orientation != null
|
||
|
|
? ((Orientation)ExtractInt(photo.Orientation.Orientation.AdditionalData)).Humanize()
|
||
|
|
: string.Empty;
|
||
|
|
|
||
|
|
PhotoSceneCaptureType = photo.SceneCaptureType?.SceneCaptureType != null
|
||
|
|
? ((SceneCaptureType)ExtractInt(photo.SceneCaptureType.SceneCaptureType
|
||
|
|
.AdditionalData)).Humanize()
|
||
|
|
: string.Empty;
|
||
|
|
|
||
|
|
PhotoSensingMethod = photo.SensingMethod?.SensingMethod != null
|
||
|
|
? ((SensingMethod)ExtractInt(photo.SensingMethod.SensingMethod.AdditionalData))
|
||
|
|
.Humanize()
|
||
|
|
: string.Empty;
|
||
|
|
|
||
|
|
PhotoSubjectDistanceRange = photo.SubjectDistanceRange?.SubjectDistanceRange != null
|
||
|
|
? ((SubjectDistanceRange)ExtractInt(photo.SubjectDistanceRange
|
||
|
|
.SubjectDistanceRange
|
||
|
|
.AdditionalData)).Humanize()
|
||
|
|
: string.Empty;
|
||
|
|
|
||
|
|
// Resolution and Other
|
||
|
|
PhotoHorizontalResolution =
|
||
|
|
photo.HorizontalResolution != null ? $"{photo.HorizontalResolution} DPI" : string.Empty;
|
||
|
|
|
||
|
|
PhotoVerticalResolution =
|
||
|
|
photo.VerticalResolution != null ? $"{photo.VerticalResolution} DPI" : string.Empty;
|
||
|
|
|
||
|
|
PhotoResolutionUnit = photo.ResolutionUnit?.ResolutionUnit != null
|
||
|
|
? ((ResolutionUnit)ExtractInt(photo.ResolutionUnit.ResolutionUnit.AdditionalData))
|
||
|
|
.Humanize()
|
||
|
|
: string.Empty;
|
||
|
|
|
||
|
|
PhotoDigitalZoomRatio = photo.DigitalZoom != null ? $"{photo.DigitalZoom}x" : string.Empty;
|
||
|
|
PhotoExifVersion = photo.ExifVersion ?? string.Empty;
|
||
|
|
PhotoSoftwareUsed = photo.Software ?? string.Empty;
|
||
|
|
|
||
|
|
PhotoUploadDate = photo.UploadDate.HasValue
|
||
|
|
? photo.UploadDate.Value.ToString("MMMM d, yyyy 'at' HH:mm")
|
||
|
|
: string.Empty;
|
||
|
|
|
||
|
|
PhotoSource = photo.Source ?? string.Empty;
|
||
|
|
|
||
|
|
// Load the full photo image
|
||
|
|
await LoadPhotoImageAsync(photoId);
|
||
|
|
|
||
|
|
IsLoading = false;
|
||
|
|
}
|
||
|
|
catch(Exception ex)
|
||
|
|
{
|
||
|
|
_logger.LogError(ex, "Error loading photo details for {PhotoId}", photoId);
|
||
|
|
ErrorOccurred = true;
|
||
|
|
ErrorMessage = ex.Message;
|
||
|
|
IsLoading = false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Updates the portrait/landscape orientation flag
|
||
|
|
/// </summary>
|
||
|
|
public void UpdateOrientation(bool isPortrait)
|
||
|
|
{
|
||
|
|
IsPortrait = isPortrait;
|
||
|
|
}
|
||
|
|
|
||
|
|
private async Task LoadPhotoImageAsync(Guid photoId)
|
||
|
|
{
|
||
|
|
try
|
||
|
|
{
|
||
|
|
Stream stream = await _photoCache.GetPhotoAsync(photoId);
|
||
|
|
|
||
|
|
var bitmap = new BitmapImage();
|
||
|
|
|
||
|
|
using(IRandomAccessStream randomStream = stream.AsRandomAccessStream())
|
||
|
|
{
|
||
|
|
await bitmap.SetSourceAsync(randomStream);
|
||
|
|
}
|
||
|
|
|
||
|
|
PhotoImageSource = bitmap;
|
||
|
|
}
|
||
|
|
catch(Exception ex)
|
||
|
|
{
|
||
|
|
_logger.LogError(ex, "Error loading photo image {PhotoId}", photoId);
|
||
|
|
ErrorOccurred = true;
|
||
|
|
ErrorMessage = "Failed to load photo image";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Extracts an integer value from AdditionalData dictionary
|
||
|
|
/// </summary>
|
||
|
|
private int ExtractInt(IDictionary<string, object> additionalData)
|
||
|
|
{
|
||
|
|
if(additionalData == null || additionalData.Count == 0) return 0;
|
||
|
|
|
||
|
|
object? value = additionalData.Values.FirstOrDefault();
|
||
|
|
|
||
|
|
if(value is int intValue) return intValue;
|
||
|
|
if(value is double dblValue) return (int)dblValue;
|
||
|
|
if(int.TryParse(value?.ToString() ?? "", out int parsed)) return parsed;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/// <summary>
|
||
|
|
/// Humanizes an enum value extracted from AdditionalData
|
||
|
|
/// </summary>
|
||
|
|
private string ExtractAndHumanizeEnum(IDictionary<string, object>? additionalData, Type enumType)
|
||
|
|
{
|
||
|
|
if(additionalData == null || additionalData.Count == 0) return string.Empty;
|
||
|
|
|
||
|
|
int intValue = ExtractInt(additionalData);
|
||
|
|
|
||
|
|
if(intValue == 0 && enumType != typeof(ExposureMode)) return string.Empty;
|
||
|
|
|
||
|
|
var enumValue = Enum.ToObject(enumType, intValue);
|
||
|
|
|
||
|
|
return ((Enum)enumValue).Humanize();
|
||
|
|
}
|
||
|
|
}
|