public async Task <IActionResult> Save()
{
string targetFilePath = null;
BookDTO dto = null;
if (!MultipartRequestHelper.IsMultipartContentType(Request.ContentType))
{
return(BadRequest($"Requisição precisa ser 'multipart'."));
}
var boundary = MultipartRequestHelper.GetBoundary(MediaTypeHeaderValue.Parse(Request.ContentType), MaxBoundaryLengthLimit);
var reader = new MultipartReader(boundary, HttpContext.Request.Body);
var section = await reader.ReadNextSectionAsync();
while (section != null)
{
ContentDispositionHeaderValue contentDisposition;
var hasContentDispositionHeader = ContentDispositionHeaderValue.TryParse(section.ContentDisposition, out contentDisposition);
var key = HeaderUtilities.RemoveQuotes(contentDisposition.Name);
if (hasContentDispositionHeader)
{
if (MultipartRequestHelper.HasFileContentDisposition(contentDisposition))
{
if (key.ToString() == "file")
{
var imageValidator = new ImageValidator();
var fileName = HeaderUtilities.RemoveQuotes(contentDisposition.FileName).ToString();
var imageValidationResult = imageValidator.Validate(fileName);
if (imageValidationResult.HasError)
{
return(BadRequest(imageValidationResult.ErrorMessage));
}
targetFilePath = Path.GetTempFileName();
using (var targetStream = System.IO.File.Create(targetFilePath))
{
await section.Body.CopyToAsync(targetStream);
}
}
}
else if (MultipartRequestHelper.HasFormDataContentDisposition(contentDisposition))
{
if (key.ToString() == "value")
{
using (var streamReader = new StreamReader(section.Body))
{
var json = await streamReader.ReadToEndAsync();
dto = JsonConvert.DeserializeObject <BookDTO>(json);
}
}
}
}
section = await reader.ReadNextSectionAsync();
}
var validationContext = new ValidationContext(bookFacade, authorService, publisherService);
var bookValidator = new BookValidator(validationContext);
var validationResult = bookValidator.Validate(dto);
if (validationResult.HasError)
{
return(BadRequest(validationResult.ErrorMessage));
}
var bookFound = await bookFacade.FindById(dto.Id);
if (bookFound == null && dto.Id != 0)
{
return(NotFound($"Nenhum livro encontrado com o ID: {dto.Id}."));
}
try
{
var book = dto.FromBookViewItem(new DefaultValidationResultDataLookUp(validationResult));
book = await bookFacade.Save(book, targetFilePath);
return(Ok(await book.ToBookViewItem(serviceDataLookUp)));
}
catch (BookSaveException ex)
{
try
{
System.IO.File.Delete(targetFilePath);
}
catch
{
//Ignore
}
return(BadRequest(ex.Message));
}
catch (ImageSaveException ex)
{
return(BadRequest(ex.Message));
}
}
