public static async Task PdfPageToImageWithPdfToCairo(StatusControlContext statusContext,
List <FileContent> selected, int pageNumber)
{
await ThreadSwitcher.ThreadSwitcher.ResumeBackgroundAsync();
var pdfToCairoDirectoryString = UserSettingsSingleton.CurrentSettings().PdfToCairoExeDirectory;
if (string.IsNullOrWhiteSpace(pdfToCairoDirectoryString))
{
statusContext.ToastError(
"Sorry - this function requires that pdftocairo.exe be on the system - please set the directory... ");
return;
}
var pdfToCairoDirectory = new DirectoryInfo(pdfToCairoDirectoryString);
if (!pdfToCairoDirectory.Exists)
{
statusContext.ToastError(
$"{pdfToCairoDirectory.FullName} doesn't exist? Check your pdftocairo bin directory setting.");
return;
}
var pdfToCairoExe = new FileInfo(Path.Combine(pdfToCairoDirectory.FullName, "pdftocairo.exe"));
if (!pdfToCairoExe.Exists)
{
statusContext.ToastError(
$"{pdfToCairoExe.FullName} doesn't exist? Check your pdftocairo bin directory setting.");
return;
}
var toProcess = new List <(FileInfo targetFile, FileInfo destinationFile, FileContent content)>();
foreach (var loopSelected in selected)
{
var targetFile = new FileInfo(Path.Combine(
UserSettingsSingleton.CurrentSettings().LocalSiteFileContentDirectory(loopSelected).FullName,
loopSelected.OriginalFileName));
if (!targetFile.Exists)
{
continue;
}
if (!targetFile.Extension.ToLower().Contains("pdf"))
{
continue;
}
FileInfo destinationFile;
if (pageNumber == 1)
{
destinationFile = new FileInfo(Path.Combine(UserSettingsUtilities.TempStorageDirectory().FullName,
$"{Path.GetFileNameWithoutExtension(targetFile.Name)}-CoverPage.jpg"));
if (destinationFile.Exists)
{
destinationFile.Delete();
destinationFile.Refresh();
}
}
else
{
destinationFile = new FileInfo(Path.Combine(UserSettingsUtilities.TempStorageDirectory().FullName,
$"{Path.GetFileNameWithoutExtension(targetFile.Name)}-Page.jpg"));
}
toProcess.Add((targetFile, destinationFile, loopSelected));
}
if (!toProcess.Any())
{
statusContext.ToastError("No PDFs found? This process can only generate PDF previews...");
return;
}
foreach (var loopSelected in toProcess)
{
if (loopSelected.destinationFile.Directory == null)
{
statusContext.ToastError(
$"Problem with {loopSelected.destinationFile.FullName} - Directory is Null?");
continue;
}
var executionParameters = pageNumber == 1
? $"-jpeg -singlefile \"{loopSelected.targetFile.FullName}\" \"{Path.Combine(loopSelected.destinationFile.Directory.FullName, Path.GetFileNameWithoutExtension(loopSelected.destinationFile.FullName))}\""
: $"-jpeg -f {pageNumber} -l {pageNumber} \"{loopSelected.targetFile.FullName}\" \"{Path.Combine(loopSelected.destinationFile.Directory.FullName, Path.GetFileNameWithoutExtension(loopSelected.destinationFile.FullName))}\"";
var(success, _, errorOutput) = ProcessHelpers.ExecuteProcess(pdfToCairoExe.FullName,
executionParameters, statusContext.ProgressTracker());
if (!success)
{
if (await statusContext.ShowMessage("PDF Generation Problem",
$"Execution Failed for {loopSelected.content.Title} - Continue??{Environment.NewLine}{errorOutput}",
new List <string> {
"Yes", "No"
}) == "No")
{
return;
}
continue;
}
FileInfo updatedDestination = null;
if (pageNumber == 1)
{
//With the singlefile option pdftocairo uses your filename directly
loopSelected.destinationFile.Refresh();
updatedDestination = loopSelected.destinationFile;
}
else
{
var directoryToSearch = loopSelected.destinationFile.Directory;
var possibleFiles = directoryToSearch
.EnumerateFiles($"{Path.GetFileNameWithoutExtension(loopSelected.destinationFile.Name)}-*.jpg")
.ToList();
foreach (var loopFiles in possibleFiles)
{
var fileNamePageNumber = loopFiles.Name.Split("-Page-").ToList().Last().Replace(".jpg", "");
if (int.TryParse(fileNamePageNumber, out var possiblePageNumber) &&
possiblePageNumber == pageNumber)
{
updatedDestination = loopFiles;
break;
}
}
}
if (updatedDestination == null || !updatedDestination.Exists)
{
if (await statusContext.ShowMessage("PDF Generation Problem",
$"Execution Failed for {loopSelected.content.Title} - Continue??{Environment.NewLine}{errorOutput}",
new List <string> {
"Yes", "No"
}) == "No")
{
return;
}
continue;
}
await ThreadSwitcher.ThreadSwitcher.ResumeForegroundAsync();
var newImage = new ImageContent {
ContentId = Guid.NewGuid()
};
if (pageNumber == 1)
{
newImage.Title = $"{loopSelected.content.Title} Cover Page";
newImage.Summary = $"Cover Page from {loopSelected.content.Title}.";
}
else
{
newImage.Title = $"{loopSelected.content.Title} - Page {pageNumber}";
newImage.Summary = $"Page {pageNumber} from {loopSelected.content.Title}.";
}
newImage.ShowInSearch = false;
newImage.Folder = loopSelected.content.Folder;
newImage.Tags = loopSelected.content.Tags;
newImage.Slug = SlugUtility.Create(true, newImage.Title);
newImage.BodyContentFormat = ContentFormatDefaults.Content.ToString();
newImage.BodyContent = $"Generated by pdftocairo from {BracketCodeFiles.Create(loopSelected.content)}.";
newImage.UpdateNotesFormat = ContentFormatDefaults.Content.ToString();
var editor = new ImageContentEditorWindow(newImage, updatedDestination);
editor.Show();
await ThreadSwitcher.ThreadSwitcher.ResumeBackgroundAsync();
}
}
public static async Task ImportFromExcel(StatusControlContext statusContext)
{
await ThreadSwitcher.ThreadSwitcher.ResumeBackgroundAsync();
statusContext.Progress("Starting excel load.");
var dialog = new VistaOpenFileDialog();
if (!(dialog.ShowDialog() ?? false))
{
return;
}
var newFile = new FileInfo(dialog.FileName);
if (!newFile.Exists)
{
statusContext.ToastError("File doesn't exist?");
return;
}
ExcelContentImports.ExcelContentTableImportResults contentTableImportResult;
try
{
contentTableImportResult =
await ExcelContentImports.ImportFromFile(newFile.FullName, statusContext.ProgressTracker());
}
catch (Exception e)
{
await statusContext.ShowMessageWithOkButton("Import File Errors",
$"Import Stopped because of an error processing the file:{Environment.NewLine}{e.Message}");
return;
}
if (contentTableImportResult.HasError)
{
await statusContext.ShowMessageWithOkButton("Import Errors",
$"Import Stopped because errors were reported:{Environment.NewLine}{contentTableImportResult.ErrorNotes}");
return;
}
var shouldContinue = await statusContext.ShowMessage("Confirm Import",
$"Continue?{Environment.NewLine}{Environment.NewLine}{contentTableImportResult.ToUpdate.Count} updates from {newFile.FullName} {Environment.NewLine}" +
$"{string.Join(Environment.NewLine, contentTableImportResult.ToUpdate.Select(x => $"{Environment.NewLine}{x.Title}{Environment.NewLine}{x.DifferenceNotes}"))}",
new List <string> {
"Yes", "No"
});
if (shouldContinue == "No")
{
return;
}
var saveResult =
await ExcelContentImports.SaveAndGenerateHtmlFromExcelImport(contentTableImportResult,
statusContext.ProgressTracker());
if (saveResult.hasError)
{
await statusContext.ShowMessageWithOkButton("Excel Import Save Errors",
$"There were error saving changes from the Excel Content:{Environment.NewLine}{saveResult.errorMessage}");
return;
}
statusContext.ToastSuccess(
$"Imported {contentTableImportResult.ToUpdate.Count} items with changes from {newFile.FullName}");
}