public override async Task <UpdateBookPageRequest> HandleAsync(UpdateBookPageRequest command, CancellationToken cancellationToken = new CancellationToken())
{
var book = await _bookRepository.GetBookById(command.LibraryId, command.BookPage.BookId, command.AccountId, cancellationToken);
if (book == null)
{
throw new BadRequestException();
}
var existingBookPage = await _bookPageRepository.GetPageBySequenceNumber(command.LibraryId, command.BookPage.BookId, command.BookPage.SequenceNumber, cancellationToken);
if (existingBookPage == null)
{
command.Result.BookPage = await _bookPageRepository.AddPage(command.LibraryId, command.BookPage.BookId, command.BookPage.SequenceNumber, command.BookPage.Text, 0, command.BookPage.ChapterId, cancellationToken);
command.Result.HasAddedNew = true;
}
else
{
command.Result.BookPage = await _bookPageRepository.UpdatePage(command.LibraryId, command.BookPage.BookId, command.BookPage.SequenceNumber, command.BookPage.Text, existingBookPage.ImageId ?? 0, command.BookPage.Status, command.BookPage.ChapterId, cancellationToken);
}
var previousPage = await _bookPageRepository.GetPageBySequenceNumber(command.LibraryId, command.BookPage.BookId, command.SequenceNumber - 1, cancellationToken);
var nextPage = await _bookPageRepository.GetPageBySequenceNumber(command.LibraryId, command.BookPage.BookId, command.SequenceNumber + 1, cancellationToken);
command.Result.BookPage.PreviousPage = previousPage;
command.Result.BookPage.NextPage = nextPage;
return(await base.HandleAsync(command, cancellationToken));
}
public override async Task <AssignBookPageToUserRequest> HandleAsync(AssignBookPageToUserRequest command, CancellationToken cancellationToken = new CancellationToken())
{
var page = await _bookPageRepository.GetPageBySequenceNumber(command.LibraryId, command.BookId, command.SequenceNumber, cancellationToken);
if (page == null)
{
throw new BadRequestException();
}
if (page.Status == EditingStatus.Available || page.Status == EditingStatus.Typing)
{
command.Result = await _bookPageRepository.UpdateWriterAssignment(command.LibraryId, command.BookId, command.SequenceNumber, command.AccountId, cancellationToken);
}
else if (page.Status == EditingStatus.Typed || page.Status == EditingStatus.InReview)
{
command.Result = await _bookPageRepository.UpdateReviewerAssignment(command.LibraryId, command.BookId, command.SequenceNumber, command.AccountId, cancellationToken);
}
else
{
throw new BadRequestException("Page status does not allow it to be assigned");
}
return(await base.HandleAsync(command, cancellationToken));
}
public override async Task <DeleteBookPageRequest> HandleAsync(DeleteBookPageRequest command, CancellationToken cancellationToken = new CancellationToken())
{
var bookPage = await _bookPageRepository.GetPageBySequenceNumber(command.LibraryId, command.BookId, command.SequenceNumber, cancellationToken);
if (bookPage != null)
{
if (bookPage.ImageId.HasValue)
{
var existingImage = await _fileRepository.GetFileById(bookPage.ImageId.Value, cancellationToken);
if (existingImage != null && !string.IsNullOrWhiteSpace(existingImage.FilePath))
{
await _fileStorage.TryDeleteImage(existingImage.FilePath, cancellationToken);
}
await _fileRepository.DeleteFile(existingImage.Id, cancellationToken);
await _bookPageRepository.DeletePageImage(command.LibraryId, command.BookId, command.SequenceNumber, cancellationToken);
}
await _bookPageRepository.DeletePage(command.LibraryId, command.BookId, command.SequenceNumber, cancellationToken);
}
return(await base.HandleAsync(command, cancellationToken));
}
public override async Task <BookPageModel> ExecuteAsync(GetBookPageByNumberQuery command, CancellationToken cancellationToken = new CancellationToken())
{
var page = await _bookPageRepository.GetPageBySequenceNumber(command.LibraryId, command.BookId, command.SequenceNumber, cancellationToken);
if (page != null)
{
var previousPage = await _bookPageRepository.GetPageBySequenceNumber(command.LibraryId, command.BookId, command.SequenceNumber - 1, cancellationToken);
var nextPage = await _bookPageRepository.GetPageBySequenceNumber(command.LibraryId, command.BookId, command.SequenceNumber + 1, cancellationToken);
page.PreviousPage = previousPage;
page.NextPage = nextPage;
}
return(page);
}
public override async Task <UpdateBookPageImageRequest> HandleAsync(UpdateBookPageImageRequest command, CancellationToken cancellationToken = new CancellationToken())
{
var bookPage = await _bookPageRepository.GetPageBySequenceNumber(command.LibraryId, command.BookId, command.SequenceNumber, cancellationToken);
if (bookPage == null)
{
throw new NotFoundException();
}
if (bookPage.ImageId.HasValue)
{
command.Image.Id = bookPage.ImageId.Value;
var existingImage = await _fileRepository.GetFileById(bookPage.ImageId.Value, cancellationToken);
if (existingImage != null && !string.IsNullOrWhiteSpace(existingImage.FilePath))
{
await _fileStorage.TryDeleteImage(existingImage.FilePath, cancellationToken);
}
var url = await AddImageToFileStore(command.BookId, command.SequenceNumber, command.Image.FileName, command.Image.Contents, command.Image.MimeType, cancellationToken);
command.Image.FilePath = url;
command.Image.IsPublic = true;
await _fileRepository.UpdateFile(command.Image, cancellationToken);
command.Result.File = command.Image;
command.Result.File.Id = bookPage.ImageId.Value;
}
else
{
command.Image.Id = default(int);
var url = await AddImageToFileStore(command.BookId, command.SequenceNumber, command.Image.FileName, command.Image.Contents, command.Image.MimeType, cancellationToken);
command.Image.FilePath = url;
command.Image.IsPublic = true;
command.Result.File = await _fileRepository.AddFile(command.Image, cancellationToken);
command.Result.HasAddedNew = true;
await _bookPageRepository.UpdatePageImage(command.LibraryId, command.BookId, command.SequenceNumber, command.Result.File.Id, cancellationToken);
}
return(await base.HandleAsync(command, cancellationToken));
}
public override async Task <UpdateBookPageSequenceRequest> HandleAsync(UpdateBookPageSequenceRequest command, CancellationToken cancellationToken = new CancellationToken())
{
// No Change in page sequence
if (command.OldSequenceNumber == command.NewSequenceNumber)
{
return(await base.HandleAsync(command, cancellationToken));
}
var page = await _bookPageRepository.GetPageBySequenceNumber(command.LibraryId, command.BookId, command.OldSequenceNumber, cancellationToken);
// Check if the page exist
if (page == null)
{
throw new NotFoundException();
}
await _bookPageRepository.UpdatePageSequenceNumber(command.LibraryId, command.BookId, command.OldSequenceNumber, command.NewSequenceNumber, cancellationToken);
return(await base.HandleAsync(command, cancellationToken));
}
public override async Task <BookPageOcrRequest> HandleAsync(BookPageOcrRequest command, CancellationToken cancellationToken = new CancellationToken())
{
var bookPage = await _bookPageRepository.GetPageBySequenceNumber(command.LibraryId, command.BookId, command.SequenceNumber, cancellationToken);
if (bookPage != null && bookPage.ImageId.HasValue)
{
var image = await _queryProcessor.ExecuteAsync(new GetFileQuery(bookPage.ImageId.Value, 0, 0));
if (image != null)
{
var text = await _ocr.PerformOcr(image.Contents, command.ApiKey, cancellationToken);
bookPage.Text = text;
await _bookPageRepository.UpdatePage(command.LibraryId, bookPage.BookId, bookPage.SequenceNumber, text, bookPage.ImageId.Value, bookPage.Status, bookPage.ChapterId, cancellationToken);
return(await base.HandleAsync(command, cancellationToken));
}
}
throw new NotFoundException();
}
public override async Task <AddBookPageRequest> HandleAsync(AddBookPageRequest command, CancellationToken cancellationToken = new CancellationToken())
{
var book = await _bookRepository.GetBookById(command.LibraryId, command.BookPage.BookId, command.AccountId, cancellationToken);
if (book == null)
{
throw new BadRequestException();
}
var existingBookPage = await _bookPageRepository.GetPageBySequenceNumber(command.LibraryId, command.BookPage.BookId, command.BookPage.SequenceNumber, cancellationToken);
if (existingBookPage == null)
{
command.Result = await _bookPageRepository.AddPage(command.LibraryId, command.BookPage.BookId, command.BookPage.SequenceNumber, command.BookPage.Text, 0, command.BookPage.ChapterId, cancellationToken);
command.IsAdded = true;
}
else
{
command.Result = await _bookPageRepository.UpdatePage(command.LibraryId, command.BookPage.BookId, command.BookPage.SequenceNumber, command.BookPage.Text, 0, command.BookPage.Status, command.BookPage.ChapterId, cancellationToken);
}
return(await base.HandleAsync(command, cancellationToken));
}
