Files
MayShow/src/ViewModels/MainViewModel.cs
T

1085 lines
44 KiB
C#

#nullable enable
using System;
using System.Collections.ObjectModel;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Text.Json;
using System.Threading.Tasks;
using Avalonia.Platform.Storage;
using Avalonia.Themes.Fluent;
using DialogHostAvalonia;
using ImageMagick;
using MigraDoc.DocumentObjectModel;
using MigraDoc.Rendering;
using PdfSharp.Fonts;
using PdfSharp.Pdf.IO;
using PdfSharp.Snippets.Font;
using MayShow.Helpers;
using MayShow.Interfaces;
using MayShow.Models;
using Docnet.Core.Models;
using Docnet.Core;
using SixLabors.ImageSharp;
using SixLabors.ImageSharp.PixelFormats;
using SixLabors.ImageSharp.Processing;
using System.Reflection.Metadata.Ecma335;
using Docnet.Core.Readers;
using MigraDoc.DocumentObjectModel.Visitors;
using System.Collections.Generic;
namespace MayShow.ViewModels;
class MainViewModel : BaseViewModel, IFontResolver, ICanCheckShutdown
{
private bool _isPerformingInitialLoad;
private string _processDir;
private bool _isCreatingPDF;
private string _programLog;
private string _workingFolder;
private string _reportTitle;
private ObservableCollection<ReportFile> _reportFiles;
private DateTime? _lastGeneratedTime;
private Settings _settings;
private List<DateDisplayFormat> _dateDisplayFormats;
private bool _hasUnsavedWork;
public MainViewModel(IChangeViewModel viewModelChanger) : base(viewModelChanger)
{
_isPerformingInitialLoad = true;
_processDir = Path.GetDirectoryName(Environment.ProcessPath) ?? "";
Console.WriteLine("Internal storage directory is: {0}", Utilities.GetInternalDataPath());
_isCreatingPDF = false;
var quotes = Constants.GetQuotes();
Random random = new Random();
var quoteIndex = random.Next(0, quotes.Length);
_programLog = "----- MayShow v" + Constants.AppVersion + " ------" + Environment.NewLine;
_programLog += quotes[quoteIndex] + Environment.NewLine;
_programLog += "---------------------------------------" + Environment.NewLine;
_programLog += "Loaded and ready to create report!" + Environment.NewLine;
_programLog += "Please copy and send this Program Log when reporting any issues with the software.";
_workingFolder = "";
ReportFiles = _reportFiles = new ObservableCollection<ReportFile>();
_reportTitle = "";
_lastGeneratedTime = null;
_settings = Settings.LoadSettings();
_dateDisplayFormats = Constants.GetDateDisplayFormats();
NotifyPropertyChanged(nameof(DataGridDateFormat));
NotifyPropertyChanged(nameof(DataGridDateFormatWatermark));
if (!string.IsNullOrWhiteSpace(_settings.LastUsedPath))
{
LogInfo("Loading data at last used path of {0}", _settings.LastUsedPath);
ScanFolder(_settings.LastUsedPath);
}
else
{
LogInfo("Choose a receipt folder to begin...");
}
HasUnsavedWork = false;
_isPerformingInitialLoad = false;
}
public string ReportTitle
{
get => _reportTitle;
set
{
_reportTitle = value;
NotifyPropertyChanged();
NotifyPropertyChanged(nameof(IsTitleBoxVisible));
NotifyPropertyChanged(nameof(CanAddItem));
}
}
public bool IsTitleBoxVisible
{
get => !string.IsNullOrWhiteSpace(WorkingFolder);
}
public bool CanAddItem
{
get => IsTitleBoxVisible && !IsCreatingPDF;
}
public bool IsCreatingPDF
{
get => _isCreatingPDF;
set
{
_isCreatingPDF = value;
NotifyPropertyChanged();
NotifyPropertyChanged(nameof(IsCreatePDFButtonEnabled));
NotifyPropertyChanged(nameof(HasWorkingFolderAndNotMakingPDF));
NotifyPropertyChanged(nameof(CanAddItem));
}
}
public bool IsCreatePDFButtonEnabled
{
get => !_isCreatingPDF && _reportFiles.Count > 0;
}
public bool HasWorkingFolder
{
get => !string.IsNullOrWhiteSpace(WorkingFolder) && Directory.Exists(WorkingFolder);
}
public bool HasWorkingFolderAndNotMakingPDF
{
get => !string.IsNullOrWhiteSpace(WorkingFolder) && Directory.Exists(WorkingFolder) && !_isCreatingPDF;
}
public string WorkingFolder
{
get => _workingFolder;
set
{
_workingFolder = value;
NotifyPropertyChanged();
NotifyPropertyChanged(nameof(HasWorkingFolder));
NotifyPropertyChanged(nameof(HasWorkingFolderAndNotMakingPDF));
}
}
public string ProgramLog
{
get => _programLog;
set { _programLog = value; NotifyPropertyChanged(); }
}
public bool HasUnsavedWork
{
get => _hasUnsavedWork;
set
{
_hasUnsavedWork = value;
NotifyPropertyChanged();
}
}
public ObservableCollection<ReportFile> ReportFiles
{
get => _reportFiles;
set
{
_reportFiles = value;
NotifyPropertyChanged();
_reportFiles.CollectionChanged += ( sender, e ) =>
{
NotifyPropertyChanged(nameof(IsCreatePDFButtonEnabled));
HasUnsavedWork = true;
};
}
}
public string DataGridDateFormat
{
get => _settings.DataGridDateFormat;
}
public string DataGridDateFormatWatermark
{
get => _dateDisplayFormats.Where(x => x.Value == _settings.DataGridDateFormat).FirstOrDefault()?.Example ?? "2025-12-04";
}
private void LogInfo(string message, params object[]? arguments)
{
var timestamp = string.Format("[{0:s}]", DateTime.Now);
Console.WriteLine(timestamp + " " + message, arguments);
ProgramLog += Environment.NewLine + string.Format(message, arguments ?? []);
}
public async void ChooseFolder()
{
var topLevel = TopLevelGrabber?.GetTopLevel();
if (topLevel is not null)
{
var folders = await topLevel.StorageProvider.OpenFolderPickerAsync(new FolderPickerOpenOptions()
{
Title = "Pick a folder of files...",
AllowMultiple = false,
});
if (folders.Count == 1)
{
var folder = folders[0];
LogInfo("Clearing existing list and loading items in folder: " + folder.Path.LocalPath);
ReportFiles.Clear();
ScanFolder(folder.Path.LocalPath);
_settings.LastUsedPath = folder.Path.LocalPath;
await _settings.SaveSettingsAsync();
ResortPDFItemsByDate();
HasUnsavedWork = true;
}
}
}
private string GetReportSavedDataPath(string folderPath)
{
if (_settings.SaveReportJsonDataInInternalDir)
{
var internalPath = Utilities.GetInternalDataPath();
if (!_settings.WorkingFolderToInternalFolderName.ContainsKey(folderPath))
{
var uuid = "";
var potentialPath = "";
var isDone = false;
// make sure uuid not already used...just in case...because paranoia...
do
{
uuid = Guid.NewGuid().ToString();
potentialPath = Path.Combine(internalPath, uuid);
isDone = !Directory.Exists(potentialPath);
} while (!isDone);
// make internal dir -- using dir so we have option to copy data into dir later if needed
// (if we ever implement a more robust report system where we keep all files)
Directory.CreateDirectory(potentialPath);
_settings.WorkingFolderToInternalFolderName[folderPath] = uuid;
_settings.SaveSettingsNotAsync(); // save new key/value pair
}
return Path.Combine(
internalPath,
_settings.WorkingFolderToInternalFolderName[folderPath],
Constants.ReportSavedDataFileName
);
}
else
{
return Path.Combine(folderPath, Constants.ReportSavedDataFileName);
}
}
private void ScanFolder(string path)
{
if (Directory.Exists(path))
{
WorkingFolder = path;
NotifyPropertyChanged(nameof(IsTitleBoxVisible));
NotifyPropertyChanged(nameof(CanAddItem));
var reportFilePath = GetReportSavedDataPath(path);
var successfullyLoadedPriorReport = false;
if (File.Exists(reportFilePath))
{
// load prior report
var json = File.ReadAllText(reportFilePath);
var jsonContext = new SourceGenerationContext(Utilities.GetSerializerOptions());
var report = JsonSerializer.Deserialize<PDFReport>(json, jsonContext.PDFReport);
if (report != null && report.Files.Count > 0)
{
Console.WriteLine("Loading prior report data at {0}", reportFilePath);
ReportFiles = new ObservableCollection<ReportFile>(report.Files);
ReportTitle = report.Title;
WorkingFolder = report.BaseFolder;
_lastGeneratedTime = report.LastGenerated ?? null;
LogInfo("Reloaded report last saved at {0}", report.LastSaved);
successfullyLoadedPriorReport = true;
}
}
if (!successfullyLoadedPriorReport)
{
// Scan folder for files and display in DataGrid
ReportFiles.Clear();
ReportTitle = "";
var filePaths = Directory.GetFiles(WorkingFolder);
foreach (var filePath in filePaths)
{
AddFileBasedOnPath(filePath);
}
ResortPDFItemsByDate();
HasUnsavedWork = true;
}
}
else
{
LogInfo("Error: The directory {0} does not exist. Please select another folder.", path);
}
NotifyPropertyChanged(nameof(IsCreatePDFButtonEnabled));
}
public void ShowAbout()
{
DialogHost.Show(new AboutViewModel());
}
public async Task ShowSettings()
{
var updatedSettings = await DialogHost.Show(new SettingsViewModel(_settings, TopLevelGrabber));
if (updatedSettings != null)
{
_settings = (Settings)updatedSettings;
await _settings.SaveSettingsAsync();
LogInfo("Saved updated settings!");
NotifyPropertyChanged(nameof(DataGridDateFormat));
NotifyPropertyChanged(nameof(DataGridDateFormatWatermark));
}
}
public void RemoveFile(object f) => RemoveFileImpl((ReportFile)f);
public async void RemoveFileImpl(ReportFile file)
{
var result = await DialogHost.Show(new WarningDeleteItemViewModel(file));
if (result != null && (bool)result)
{
var idx = ReportFiles.IndexOf(file);
if (idx != -1)
{
ReportFiles.RemoveAt(idx);
HasUnsavedWork = true;
}
}
}
// https://github.com/AvaloniaUI/Avalonia/issues/10075
public void EditFileProperties(object f) => EditFilePropertiesImpl((ReportFile)f);
public async void EditFilePropertiesImpl(ReportFile file)
{
var result = await DialogHost.Show(new EditFileViewModel(file, ViewModelChanger));
if (result != null && result is ReportFile updatedData)
{
file.Title = updatedData.Title;
file.ReceiptDateTime = updatedData.ReceiptDateTime;
file.Notes = updatedData.Notes;
HasUnsavedWork = true;
}
}
public async void AddItem()
{
var topLevel = TopLevelGrabber?.GetTopLevel();
if (topLevel is not null)
{
var files = await topLevel.StorageProvider.OpenFilePickerAsync(new FilePickerOpenOptions()
{
Title = "Choose image or PDF files...",
AllowMultiple = true,
FileTypeFilter = [
new FilePickerFileType("All Types")
{
Patterns = Constants.AllowedFileExtensionPatterns,
AppleUniformTypeIdentifiers = [ "public.image", "com.adobe.pdf", "public.heic" ],
MimeTypes = [ "image/*", "application/pdf", "image/heic" ]
},
FilePickerFileTypes.ImageAll,
new FilePickerFileType("HEIC Images")
{
Patterns = [ "*.heic" ],
AppleUniformTypeIdentifiers = [ "public.heic" ],
MimeTypes = [ "image/heic" ]
},
FilePickerFileTypes.Pdf,
],
});
if (files.Count > 0)
{
foreach (var file in files)
{
var filePath = file.TryGetLocalPath();
AddFileBasedOnPath(filePath);
}
}
}
}
private void AddFileBasedOnPath(string? filePath)
{
if (!string.IsNullOrWhiteSpace(filePath) && File.Exists(filePath) && !filePath.EndsWith(".DS_Store"))
{
// make sure extensions are OK
var fileExtensions = Constants.AllowedFileExtensionsNoStar;
var didMatch = false;
foreach (var fileExtension in fileExtensions)
{
if (filePath.ToLower().EndsWith("." + fileExtension.ToLower()))
{
didMatch = true;
break;
}
}
if (!didMatch)
{
if (!filePath.EndsWith(Constants.ReportSavedDataFileName))
{
LogInfo("File {0} did not match allowed file extension types, so it was not added.", filePath);
}
}
else
{
var date = Utilities.CheckValidDateInString(filePath);
ReportFiles.Add(new ReportFile()
{
Title = Path.GetFileName(filePath),
ReceiptDateTime = date.HasValue ? date.Value.ToDateTime(TimeOnly.MinValue) : File.GetCreationTime(filePath),
Notes = "",
FilePath = filePath,
});
HasUnsavedWork = true;
}
}
}
public async void RemoveAllItems()
{
var result = await DialogHost.Show(new ConfirmViewModel("Warning!", "Are you sure you want to remove all items from this report?", "Remove All Items", "Cancel"));
if (result != null && (bool)result)
{
ReportFiles.Clear();
HasUnsavedWork = true;
NotifyPropertyChanged(nameof(IsCreatePDFButtonEnabled));
}
}
public void LocateFile(object f) => LocateFileImpl((ReportFile) f);
public async void LocateFileImpl(ReportFile reportFile)
{
var topLevel = TopLevelGrabber?.GetTopLevel();
if (topLevel is not null)
{
var files = await topLevel.StorageProvider.OpenFilePickerAsync(new FilePickerOpenOptions()
{
Title = "Choose image or PDF file...",
AllowMultiple = false,
FileTypeFilter = [
new FilePickerFileType("All Types")
{
Patterns = Constants.AllowedFileExtensionPatterns,
AppleUniformTypeIdentifiers = [ "public.image", "com.adobe.pdf", "public.heic" ],
MimeTypes = [ "image/*", "application/pdf", "image/heic" ]
},
FilePickerFileTypes.ImageAll,
new FilePickerFileType("HEIC Images")
{
Patterns = [ "*.heic" ],
AppleUniformTypeIdentifiers = [ "public.heic" ],
MimeTypes = [ "image/heic" ]
},
FilePickerFileTypes.Pdf,
],
});
if (files.Count > 0)
{
var file = files[0];
reportFile.FilePath = file.Path.LocalPath;
HasUnsavedWork = true;
}
}
}
// https://github.com/AvaloniaUI/Avalonia/issues/10075
public void OpenFile(object f) => OpenFileImpl((ReportFile)f);
public void OpenFileImpl(ReportFile file)
{
var topLevel = TopLevelGrabber?.GetTopLevel();
if (topLevel is not null)
{
var launcher = topLevel.Launcher;
launcher.LaunchUriAsync(new Uri(file.FilePath));
}
}
public void OpenFileLocation(object f) => OpenFileLocationImpl((ReportFile)f);
private void OpenFileLocationImpl(ReportFile file)
{
OpenFolderForFileInFileViewer(file.FilePath);
}
private void OpenFolderForFileInFileViewer(string fullPathToFile)
{
var topLevel = TopLevelGrabber?.GetTopLevel();
var dirName = Path.GetDirectoryName(fullPathToFile);
if (topLevel is not null && dirName != null)
{
var launcher = topLevel.Launcher;
launcher.LaunchUriAsync(new Uri(dirName));
}
}
public void ResortPDFItemsByDate()
{
LogInfo("Sorting report files list...");
ReportFiles = new ObservableCollection<ReportFile>(ReportFiles.OrderBy(x => x.ReceiptDateTime));
HasUnsavedWork = true;
}
public async void BuildPDF()
{
if (string.IsNullOrWhiteSpace(ReportTitle))
{
await DialogHost.Show(new WarningViewModel("You must provide a report title!"));
}
else
{
try
{
await Task.Run(() => CreatePDF(WorkingFolder));
} catch (Exception e)
{
LogInfo("PDF process failed! Reason: " + e.Message);
if (e.StackTrace != null)
{
LogInfo(e.StackTrace);
}
var otherException = e.InnerException;
while (otherException != null)
{
LogInfo(">> Inner exception: " + otherException.Message);
if (otherException.StackTrace != null)
{
LogInfo(otherException.StackTrace);
}
otherException = otherException.InnerException;
}
LogInfo("Please report this error to a programmer or fix the issue listed above.");
IsCreatingPDF = false;
}
}
}
public async Task SaveInterimReportInfo()
{
var report = new PDFReport()
{
Title = ReportTitle,
Files = ReportFiles.ToList(),
BaseFolder = WorkingFolder,
LastSaved = DateTime.Now,
LastGenerated = _lastGeneratedTime,
};
await SavePDFReportDataToDisk(report);
}
private async Task SavePDFReportDataToDisk(PDFReport report)
{
var jsonContext = new SourceGenerationContext(Utilities.GetSerializerOptions());
using var memoryStream = new MemoryStream();
await JsonSerializer.SerializeAsync(memoryStream, report, jsonContext.PDFReport);
memoryStream.Position = 0;
using var reader = new StreamReader(memoryStream);
var json = await reader.ReadToEndAsync();
var savePath = GetReportSavedDataPath(WorkingFolder);
await File.WriteAllTextAsync(savePath, json);
LogInfo("Saved report information to {0}", savePath);
HasUnsavedWork = false;
}
private async Task CreateAndSaveReportObjectAfterReportCreation()
{
var report = new PDFReport()
{
Title = ReportTitle,
Files = ReportFiles.ToList(),
BaseFolder = WorkingFolder,
LastSaved = DateTime.Now,
LastGenerated = DateTime.Now,
};
_lastGeneratedTime = DateTime.Now;
await SavePDFReportDataToDisk(report);
}
public async Task CopyLogToClipboard()
{
var clipboard = TopLevelGrabber?.GetTopLevel().Clipboard;
if (clipboard != null)
{
await clipboard.SetTextAsync(ProgramLog);
LogInfo("Program log has been copied to the clipboard!");
}
}
public byte[]? GetFont(string faceName)
{
LogInfo(string.Format("Loading font {0}", faceName));
if (faceName == "Noto Sans")
{
var path = Path.Combine(_processDir, "Assets/Fonts/Noto_Sans/static/NotoSans-Regular.ttf");
if (!File.Exists(path))
{
path = Path.Combine(_processDir, "../Resources/Assets/Fonts/Noto_Sans/static/NotoSans-Regular.ttf");
}
return File.ReadAllBytes(path);
}
if (faceName == "Noto Sans Bold")
{
var path = Path.Combine(_processDir, "Assets/Fonts/Noto_Sans/static/NotoSans-Bold.ttf");
if (!File.Exists(path))
{
path = Path.Combine(_processDir, "../Resources/Assets/Fonts/Noto_Sans/static/NotoSans-Bold.ttf");
}
return File.ReadAllBytes(path);
}
if (faceName == "Noto Sans JP")
{
var path = Path.Combine(_processDir, "Assets/Fonts/Noto_Sans_JP/static/NotoSansJP-Regular.ttf");
if (!File.Exists(path))
{
path = Path.Combine(_processDir, "../Resources/Assets/Fonts/Noto_Sans_JP/static/NotoSansJP-Regular.ttf");
}
return File.ReadAllBytes(path);
}
if (faceName == "Noto Sans JP Bold")
{
var path = Path.Combine(_processDir, "Assets/Fonts/Noto_Sans_JP/static/NotoSansJP-SemiBold.ttf");
if (!File.Exists(path))
{
path = Path.Combine(_processDir, "../Resources/Assets/Fonts/Noto_Sans_JP/static/NotoSansJP-SemiBold.ttf");
}
return File.ReadAllBytes(path);
}
return null;
}
public FontResolverInfo? ResolveTypeface(string familyName, bool bold, bool italic)
{
// LogInfo(string.Format("Resolving font name {0}", familyName));
if (familyName == "Noto Sans")
{
if (bold)
{
return new FontResolverInfo(familyName + " Bold");
}
return new FontResolverInfo(familyName);
}
if (familyName == "Noto Sans JP")
{
if (bold)
{
return new FontResolverInfo(familyName + " Bold");
}
return new FontResolverInfo(familyName);
}
return null;
}
private Paragraph GetFooterParagraph()
{
var footerPar = new Paragraph();
footerPar.Format.Alignment = ParagraphAlignment.Center;
footerPar.Format.Font.Size = 10;
footerPar.AddText("--Page ");
footerPar.AddPageField();
footerPar.AddText(" of ");
footerPar.AddNumPagesField();
footerPar.AddText("--");
footerPar.AddLineBreak();
footerPar.AddText("Report generated on " + DateTime.Now.ToString("f"));
footerPar.Tag = "FooterPar";
footerPar.Format.Font.Name = "Noto Sans";
return footerPar;
}
private decimal GetExistingPageItemHeight(PdfDocumentRenderer pdfRenderer, decimal footerParagraphHeight)
{
pdfRenderer.DocumentRenderer.PrepareDocument();
var currPageCount = pdfRenderer.DocumentRenderer.FormattedDocument?.PageCount;
var heightForExistingItemsOnPage = footerParagraphHeight;
if (currPageCount.HasValue)
{
var renderInfo = pdfRenderer.DocumentRenderer.GetRenderInfoFromPage(currPageCount.Value);
if (renderInfo != null)
{
// Console.WriteLine("Got render info for page: {0}", currPageCount);
foreach (var item in renderInfo)
{
heightForExistingItemsOnPage += (decimal)item.LayoutInfo.ContentArea.Height.Inch;
}
}
}
return heightForExistingItemsOnPage;
}
// https://forum.pdfsharp.net/viewtopic.php?f=2&t=1025
private async Task CreatePDF(string folderPath)
{
// TODO: calculate needed width for images based on page width and margins and all that?
// safety checks
var outputDir = _settings.SaveOutputPdfInWorkingDir ? folderPath : _settings.OutputPdfDir;
if (!Directory.Exists(outputDir))
{
await DialogHost.Show(new WarningViewModel("Output directory not found! Please adjust your application Settings before continuing. Output directory: " + outputDir));
return;
}
// setup globals and consts...
GlobalFontSettings.FontResolver = this;
GlobalFontSettings.FallbackFontResolver = new FailsafeFontResolver();
const decimal pageWidth = 8.5m;
const decimal pageHeight = 11.0m;
const decimal margin = 0.5m;
const int imageResolution = 72;
const int imageInsertMarginPixels = 30; // we calculate max available; use max - this # for max image size
var maxItemPxWidth = ((pageWidth - (2 * margin)) * imageResolution) - imageInsertMarginPixels;
// start making PDF!
IsCreatingPDF = true;
var pdfDoc = new Document();
var outputFileName = ReportTitle + ".pdf";
var folderName = new DirectoryInfo(folderPath).Name;
const int maxImageWidth = 425;
var imageLineFormat = new MigraDoc.DocumentObjectModel.Shapes.LineFormat()
{
Color = Colors.Black,
Width = Unit.FromPoint(2),
};;
if (folderName.Contains('-'))
{
// see if year/month format
var parts = folderName.Split('-');
if (parts[0].Length == 4 &&
parts[1].Length <= 2 &&
int.TryParse(parts[0], out int year) && int.TryParse(parts[1], out int month))
{
outputFileName = string.Format("{0} {1} Receipts.pdf",
CultureInfo.CurrentCulture.DateTimeFormat.GetMonthName(month),
year);
LogInfo("Auto-changed output file name to " + outputFileName);
}
}
// setup initial section (for page characteristics)
var section = pdfDoc.AddSection();
section.PageSetup.PageFormat = PageFormat.Letter;
section.PageSetup.PageWidth = pageWidth + "in";
section.PageSetup.PageHeight = pageHeight + "in";
section.PageSetup.TopMargin = margin + "in";
section.PageSetup.RightMargin = margin + "in";
section.PageSetup.BottomMargin = margin + "in";
section.PageSetup.LeftMargin = margin + "in";
// setup footer for page number
var footerPar = GetFooterParagraph();
section.Footers.Primary.Add(footerPar);
// create a quick PDF doc renderer to measure footer paragraph height
var footerParagraphHeight = 0.4m; // estimate
var footerOnlyPdfDoc = new Document();
var sectionClone = section.Clone();
footerOnlyPdfDoc.Add(sectionClone);
sectionClone.Add(GetFooterParagraph());
var footerPdfRenderer = new PdfDocumentRenderer
{
Document = footerOnlyPdfDoc
};
footerPdfRenderer.DocumentRenderer.PrepareDocument();
var footerRenderInfo = footerPdfRenderer.DocumentRenderer.GetRenderInfoFromPage(1);
if (footerRenderInfo != null)
{
foreach (var item in footerRenderInfo)
{
if (item.DocumentObject.Tag?.ToString() == "FooterPar")
{
Console.WriteLine("Got footer paragraph height!");
footerParagraphHeight = (decimal)item.LayoutInfo.ContentArea.Height.Inch;
break;
}
}
}
// continue setting up document
// First page only: add report title
var reportTitlePar = section.AddParagraph();
reportTitlePar.Format.Alignment = ParagraphAlignment.Center;
reportTitlePar.Format.Font.Size = 16;
reportTitlePar.Format.Font.Bold = true;
reportTitlePar.Format.Font.Name = "Noto Sans JP"; // has english letters in it, too
reportTitlePar.AddText(ReportTitle);
reportTitlePar.Tag = "TitlePar";
// get converted files directory path and create it if necessary
var convertedDir = Path.Combine(Utilities.GetInternalDataPath(), "converted");
if (!Directory.Exists(convertedDir))
{
Directory.CreateDirectory(convertedDir);
}
//
var pdfRenderer = new PdfDocumentRenderer
{
Document = pdfDoc,
WorkingDirectory = folderPath
};
var hasAddedData = false;
for (var i = 0; i < ReportFiles.Count; i++)
{
var file = ReportFiles[i];
var fileName = file.FileName;
var filePath = file.FilePath;
if (!File.Exists(filePath))
{
LogInfo("ERROR: File \"{0}\" does not exist at path \"{1}\". Please remove it from the report or re-add it using the Add Item button if you still want it to be in this report.", file.Title, file.FilePath);
IsCreatingPDF = false;
return;
}
if (fileName == ".DS_Store" || fileName == outputFileName)
{
continue;
}
if (i > 0 && hasAddedData)
{
section.AddPageBreak();
}
var imageTitlePar = section.AddParagraph();
imageTitlePar.Format.Alignment = ParagraphAlignment.Center;
imageTitlePar.Format.Font.Size = 12;
imageTitlePar.Format.Font.Bold = true;
imageTitlePar.Format.Font.Name = "Noto Sans JP"; // has english letters in it, too
imageTitlePar.AddText(string.IsNullOrWhiteSpace(file.Title) ? file.FileName : file.Title);
imageTitlePar.Tag = "ReceiptTitlePar";
var receiptDatePar = section.AddParagraph();
receiptDatePar.Format.Alignment = ParagraphAlignment.Center;
receiptDatePar.Format.Font.Size = 12;
receiptDatePar.Format.Font.Bold = true;
receiptDatePar.Format.Font.Name = "Noto Sans JP"; // has english letters in it, too
receiptDatePar.AddText(file.ReceiptDate.ToString(_settings.ReportDateFormat));
receiptDatePar.Tag = "ReceiptDatePar";
if (!string.IsNullOrWhiteSpace(file.Notes))
{
var imageNotesPar = section.AddParagraph();
imageNotesPar.Format.Alignment = ParagraphAlignment.Center;
imageNotesPar.Format.Font.Size = 10;
imageNotesPar.Format.Font.Bold = false;
imageNotesPar.Format.Font.Name = "Noto Sans JP";
imageNotesPar.AddText(file.Notes);
imageNotesPar.Tag = "ReceiptNotesPar";
}
var emptyPar = section.AddParagraph(); // add empty line for spacing
emptyPar.Tag = "EmptyParagraph";
// now add the image
var lowerName = fileName.ToLower();
var isPDF = lowerName.EndsWith(".pdf");
// convert heic, webp, or png to JPEG for size and ease of use
// (and probably compat reasons too, though I haven't tested that...)
var isHEIC = lowerName.EndsWith(".heic");
var isWebp = lowerName.EndsWith(".webp");
var isPNG = lowerName.EndsWith(".png");
var info = new FileInfo(file.FilePath);
uint loadedImageWidth = 0;
uint loadedImageHeight = 0;
// get max pixel height remaining for items on this page
// (For multi-page PDFs, showing page 2 and on will have more height since they have no title,
// but to keep things consistent we will use the same height for all PDF pages.)
// render up to now on this page and get height remaining in inches
var currPageCount = pdfRenderer.DocumentRenderer.FormattedDocument?.PageCount;
var heightForExistingItemsOnPage = GetExistingPageItemHeight(pdfRenderer, footerParagraphHeight);
var remainingHeightInches = pageHeight - (2 * margin) - heightForExistingItemsOnPage;
var remainingHeightPixels = (remainingHeightInches * imageResolution) - imageInsertMarginPixels;
if (!isPDF)
{
using var mImage = new MagickImage(info.FullName);
loadedImageWidth = mImage.Width;
loadedImageHeight = mImage.Height;
var convertedOutputPath = Path.Combine(convertedDir, info.Name + ".jpg");
var didAdjust = false;
LogInfo("Image orientation of {0} is {1}", fileName, mImage.Orientation);
if (mImage.Orientation != OrientationType.TopLeft)
{
LogInfo("Auto-adjusted image orientation of {0}", fileName);
mImage.AutoOrient();
didAdjust = true;
}
// perform needed image manipulations
if (isHEIC || isWebp || isPNG || (!isPDF && info.Length > _settings.ImageResizeThreshold * 1024 * 1024))
{
// Save image as jpg
mImage.Quality = 80;
if (mImage.Width >= 400 || mImage.Height >= 400)
{
loadedImageWidth = (uint)Math.Floor(mImage.Width * 0.5);
loadedImageHeight = (uint)Math.Floor(mImage.Height * 0.5);
mImage.Scale(loadedImageWidth, loadedImageHeight);
LogInfo("Image {2} scaled to {0}x{1}", loadedImageWidth, loadedImageHeight, fileName);
}
didAdjust = true;
LogInfo("Converted image {0} to JPEG", fileName);
}
else
{
// load height/width
loadedImageWidth = mImage.Width;
loadedImageHeight = mImage.Height;
}
if (didAdjust)
{
await mImage.WriteAsync(convertedOutputPath);
filePath = convertedOutputPath;
LogInfo(string.Format("Saved adjusted image to JPEG; file path is now {0}", filePath));
}
// write to PDF
var paragraph = section.AddParagraph();
paragraph.Format.Alignment = ParagraphAlignment.Center;
var image = paragraph.AddImage(filePath);
image.Resolution = imageResolution; // dots per inch
image.Tag = "ReceiptImageTag";
paragraph.Tag = "ReceiptImageParagraphTag";
image.LineFormat = imageLineFormat.Clone();
// resize down until it will fit on the page
while (loadedImageHeight > remainingHeightPixels || loadedImageWidth > maxItemPxWidth)
{
// Console.WriteLine("Image height = {0}, width = {1}; decreasing size by 5% to h={2}, w={3}", loadedImageHeight, loadedImageWidth, (uint)Math.Floor(loadedImageHeight * 0.95), (uint)Math.Floor(loadedImageWidth * 0.95));
// keep reducing size by 5% (little by little) until it fits on the page
// ...might skew ever so slightly but should not be noticable...
loadedImageHeight = (uint)Math.Floor(loadedImageHeight * 0.95);
loadedImageWidth = (uint)Math.Floor(loadedImageWidth * 0.95);
}
image.Height = loadedImageHeight;
image.Width = loadedImageWidth;
}
else // isPDF
{
// need to render PDF to images
if (_settings.UseDocnetPDFImageRendering)
{
// render using Docnet library (which utilizes pdfium, the chrome renderer)
string RenderPdfPageToImage(IDocReader docReader, int pgNum)
{
Console.WriteLine("Rendering pg " + pgNum);
using var pageReader = docReader.GetPageReader(pgNum);
Console.WriteLine("Getting image for page " + pgNum);
var rawBytes = pageReader.GetImage(RenderFlags.RenderAnnotations);
Console.WriteLine("Getting width & height for page " + pgNum);
var width = pageReader.GetPageWidth();
var height = pageReader.GetPageHeight();
Console.WriteLine("Loading pixel data for page " + pgNum);
using var img = Image.LoadPixelData<Bgra32>(rawBytes, width, height);
// you are likely going to want this as well otherwise you might end up with transparent parts.
img.Mutate(x => x.BackgroundColor(SixLabors.ImageSharp.Color.White));
var pdfPageImageOutputPath = Path.Combine(convertedDir, info.Name + "-Page-"
+ (pgNum + 1).ToString().PadLeft(3, '0') + ".jpg");
img.Save(pdfPageImageOutputPath);
Console.WriteLine("Done rendering pg " + pgNum);
return pdfPageImageOutputPath;
}
// render all pages to images
var docReader = DocLib.Instance.GetDocReader(
filePath,
new PageDimensions(1080, 1920)); // TODO: are these dims right?
// add to document
var pgCount = docReader.GetPageCount();
if (pgCount > 0)
{
var convertedPdfImagePath = RenderPdfPageToImage(docReader, 0);
imageTitlePar.AddText(string.Format(" (PDF with {0} page{1}) ",
pgCount,
pgCount == 1 ? "" : "s"));
var paragraph = section.AddParagraph();
paragraph.Format.Alignment = ParagraphAlignment.Center;
// get image height/width off of disk so we can resize down if needed
var image = paragraph.AddImage(convertedPdfImagePath);
image.LockAspectRatio = true;
image.LineFormat = imageLineFormat.Clone();
using (var firstPdfPageImage = new MagickImage(convertedPdfImagePath))
{
var pdfPageImageWidth = firstPdfPageImage.Width;
var pdfPageImageHeight = firstPdfPageImage.Height;
// resize down until it will fit on the page
while (pdfPageImageHeight > remainingHeightPixels || pdfPageImageWidth > maxItemPxWidth)
{
pdfPageImageHeight = (uint)Math.Floor(pdfPageImageHeight * 0.95);
pdfPageImageWidth = (uint)Math.Floor(pdfPageImageWidth * 0.95);
}
image.Height = pdfPageImageHeight;
image.Width = pdfPageImageWidth;
}
for (var j = 1; j < pgCount; j++)
{
section.AddPageBreak();
paragraph = section.AddParagraph();
paragraph.Format.Alignment = ParagraphAlignment.Center;
convertedPdfImagePath = RenderPdfPageToImage(docReader, j);
image = paragraph.AddImage(convertedPdfImagePath);
image.LockAspectRatio = true;
image.Width = maxImageWidth;
image.LineFormat = imageLineFormat.Clone();
using (var otherPdfPageImage = new MagickImage(convertedPdfImagePath))
{
var pdfPageImageWidth = otherPdfPageImage.Width;
var pdfPageImageHeight = otherPdfPageImage.Height;
// resize down until it will fit on the page
while (pdfPageImageHeight > remainingHeightPixels || pdfPageImageWidth > maxItemPxWidth)
{
pdfPageImageHeight = (uint)Math.Floor(pdfPageImageHeight * 0.95);
pdfPageImageWidth = (uint)Math.Floor(pdfPageImageWidth * 0.95);
}
image.Height = pdfPageImageHeight;
image.Width = pdfPageImageWidth;
}
}
}
}
else
{
// use older, not-docnet rendering method.
// uses MigraDoc rendering. Does not work with annotations, and since Migradoc
// doesn't let us know how big the image is, we can't do the image resizing, so
// we just do our best.
// render first page (eventually need to improve code to just do everything in a loop)
var paragraph = section.AddParagraph();
paragraph.Format.Alignment = ParagraphAlignment.Center;
var image = paragraph.AddImage(filePath);
image.LockAspectRatio = true;
image.Width = maxImageWidth; // can't be too wide now...not sure why...maybe due to margins...
image.LineFormat = imageLineFormat.Clone();
// render other PDF pages, if any
// see: https://stackoverflow.com/a/65091204/3938401
var pdfFileToAdd = PdfReader.Open(filePath, PdfDocumentOpenMode.Import);
var pgCount = pdfFileToAdd.PageCount;
imageTitlePar.AddText(string.Format(" (PDF with {0} page{1}) ",
pgCount,
pgCount == 1 ? "" : "s"));
for (var j = 2; j <= pgCount; j++)
{
section.AddPageBreak();
paragraph = section.AddParagraph();
paragraph.Format.Alignment = ParagraphAlignment.Center;
image = paragraph.AddImage(filePath + "#" + j);
image.LockAspectRatio = true;
image.Width = maxImageWidth;
image.LineFormat = imageLineFormat.Clone();
}
}
}
LogInfo(string.Format("Added image: {0} ({1})", file.Title, filePath));
hasAddedData = true;
}
LogInfo("Rendering document to PDF file...");
pdfRenderer.DocumentRenderer.PrepareDocument(); // needed if you make edits after first PrepareDocument() is called
pdfRenderer.RenderDocument();
// actually save to disk now
string outputPDFFilePath = Path.Join(outputDir, outputFileName);
LogInfo("Saving PDF document to disk...");
pdfRenderer.PdfDocument.Save(outputPDFFilePath);
LogInfo("Finished saving PDF output to: " + outputPDFFilePath);
await CreateAndSaveReportObjectAfterReportCreation();
// clean up data dir
Directory.Delete(convertedDir, true);
// show output folder to user
OpenFolderForFileInFileViewer(outputPDFFilePath);
IsCreatingPDF = false;
}
public async Task<bool> CheckIsSafeToShutdown()
{
if (!HasUnsavedWork || string.IsNullOrWhiteSpace(WorkingFolder))
{
return true;
}
else
{
var result = await DialogHost.Show(new ShutdownCheckViewModel());
if (result != null && result is ShutdownCheckOptions opt)
{
if (opt == ShutdownCheckOptions.SaveAndShutdown)
{
await SaveInterimReportInfo();
return true;
}
else if (opt == ShutdownCheckOptions.NoSaveShutdown)
{
return true;
}
else if (opt == ShutdownCheckOptions.CancelShutdown)
{
return false;
}
}
}
return false;
}
}