public async Task <IActionResult> EditBook(Guid id)
{
var model = await _unitOfWork.EBooksControl.GetAsyncEBook(id);
StreamFormDataBooks result = new StreamFormDataBooks()
{
BookTitle = model.BookTitle,
Status = model.Status.ToString()
};
List <bool> decisions = new List <bool>()
{
true, false
};
var dictionary = new Dictionary <string, bool>()
{
{ "Public", true },
{ "Private", false }
};
List <SelectListItem> viewingStatus = new List <SelectListItem>();
foreach (var item in dictionary)
{
viewingStatus.Add(new SelectListItem()
{
Text = item.Key,
Value = item.Value.ToString()
});
}
ViewBag.ViewStatus = viewingStatus;
ViewBag.BookId = id;
return(View(result));
}
public async Task UpdateEBook(Guid id, StreamFormDataBooks formData)
{
var model = await _context.ClamUserBooks.FindAsync(id);
_context.Entry(model).Entity.BookTitle = formData.BookTitle;
_context.Entry(model).Entity.Status = bool.Parse(formData.Status);
_context.Entry(model).Entity.LastModified = DateTime.Now;
_context.Entry(model).State = EntityState.Modified;
_context.Update(model);
await _context.SaveChangesAsync();
}
public async Task <IActionResult> UploadDatabase()
{
if (!MultipartRequestHelper.IsMultipartContentType(Request.ContentType))
{
ModelState.AddModelError("File",
$"The request couldn't be processed (Error 1).");
// Log error
return(BadRequest(ModelState));
}
// User Profile
var name = User.Identity.Name;
var profile = await _userManager.FindByNameAsync(name);
// Accumulate the form data key-value pairs in the request (formAccumulator).
var formAccumulator = new KeyValueAccumulator();
var trustedFileNameForDisplay = string.Empty;
var untrustedFileNameForStorage = string.Empty;
var trustedFilePathStorage = string.Empty;
var trustedFileNameForFileStorage = string.Empty;
var streamedFileImageContent = new byte[0];
var streamedFilePhysicalContent = new byte[0];
// List Byte for file storage
List <byte[]> filesByteStorage = new List <byte[]>();
List <string> filesNameStorage = new List <string>();
List <string> storedPaths = new List <string>();
List <string> storedPathDictionaryKeys = new List <string>();
var fileStoredData = new Dictionary <string, byte[]>();
var boundary = MultipartRequestHelper.GetBoundary(
MediaTypeHeaderValue.Parse(Request.ContentType),
_defaultFormOptions.MultipartBoundaryLengthLimit);
var reader = new MultipartReader(boundary, HttpContext.Request.Body);
var section = await reader.ReadNextSectionAsync();
while (section != null)
{
var hasContentDispositionHeader =
ContentDispositionHeaderValue.TryParse(
section.ContentDisposition, out var contentDisposition);
if (hasContentDispositionHeader)
{
if (MultipartRequestHelper
.HasFileContentDisposition(contentDisposition))
{
untrustedFileNameForStorage = contentDisposition.FileName.Value;
// Don't trust the file name sent by the client. To display
// the file name, HTML-encode the value.
trustedFileNameForDisplay = WebUtility.HtmlEncode(
contentDisposition.FileName.Value);
if (!Directory.Exists(_targetFilePath))
{
string path = String.Format("{0}", _targetFilePath);
Directory.CreateDirectory(path);
}
//streamedFileContent =
// await FileHelpers.ProcessStreamedFile(section, contentDisposition,
// ModelState, _permittedExtentions, _fileSizeLimit);
streamedFilePhysicalContent = await FileHelpers.ProcessStreamedFile(
section, contentDisposition, ModelState,
_permittedExtentions, _fileSizeLimit);
filesNameStorage.Add(trustedFileNameForDisplay);
filesByteStorage.Add(streamedFilePhysicalContent);
fileStoredData.Add(trustedFileNameForDisplay, streamedFilePhysicalContent);
// Debug
//var errors = ModelState.ErrorCount;
//var errorView = ModelState.Where(x => x.Value.Errors.Count > 0)
// .Select(x => new { x.Key, x.Value.Errors }).ToArray();
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
}
else if (MultipartRequestHelper
.HasFormDataContentDisposition(contentDisposition))
{
// Don't limit the key name length because the
// multipart headers length limit is already in effect.
var key = HeaderUtilities
.RemoveQuotes(contentDisposition.Name).Value;
var encoding = GetEncoding(section);
if (encoding == null)
{
ModelState.AddModelError("File",
$"The request couldn't be processed (Error 2).");
// Log error
return(BadRequest(ModelState));
}
using (var streamReader = new StreamReader(
section.Body,
encoding,
detectEncodingFromByteOrderMarks: true,
bufferSize: 1024,
leaveOpen: true))
{
// The value length limit is enforced by
// MultipartBodyLengthLimit
var value = await streamReader.ReadToEndAsync();
if (string.Equals(value, "undefined",
StringComparison.OrdinalIgnoreCase))
{
value = string.Empty;
}
formAccumulator.Append(key, value);
if (formAccumulator.ValueCount >
_defaultFormOptions.ValueCountLimit)
{
// Form key count limit of
// _defaultFormOptions.ValueCountLimit
// is exceeded.
ModelState.AddModelError("File",
$"The request couldn't be processed (Error 3).");
// Log error
return(BadRequest(ModelState));
}
}
}
}
// Drain any remaining section body that hasn't been consumed and
// read the headers for the next section.
section = await reader.ReadNextSectionAsync();
}
// Bind form data to the model
var formData = new StreamFormDataBooks();
var formValueProvider = new FormValueProvider(
BindingSource.Form,
new FormCollection(formAccumulator.GetResults()),
CultureInfo.CurrentCulture);
var bindingSuccessful = await TryUpdateModelAsync(formData, prefix : "",
valueProvider : formValueProvider);
var keyPathFolder = FilePathUrlHelper.GenerateKeyPath(profile.Id);
trustedFilePathStorage = String.Format("{0}\\{1}\\{2}\\{3}",
_targetFolderPath,
keyPathFolder,
GenerateSecurity.Encode(profile.Id),
Path.GetRandomFileName());
if (!bindingSuccessful)
{
ModelState.AddModelError("File",
"The request couldn't be processed (Error 5).");
// Log error
return(BadRequest(ModelState));
}
// **WARNING!**
// In the following example, the file is saved without
// scanning the file's contents. In most production
// scenarios, an anti-virus/anti-malware scanner API
// is used on the file before making the file available
// for download or for use by other systems.
// For more information, see the topic that accompanies
// this sample app.
Directory.CreateDirectory(trustedFilePathStorage);
foreach (var item in fileStoredData)
{
using (var targetStream = System.IO.File.Create(
Path.Combine(trustedFilePathStorage, item.Key)))
{
await targetStream.WriteAsync(item.Value);
_logger.LogInformation(
"Uploaded file '{TrustedFileNameForDisplay}' saved to " +
"'{TargetFilePath}' as {TrustedFileNameForFileStorage}",
item.Key, trustedFilePathStorage,
item.Key);
}
storedPaths.Add(Path.Combine(trustedFilePathStorage, item.Key));
storedPathDictionaryKeys.Add(item.Key);
}
var keyValue = storedPathDictionaryKeys[0];
var keyConvert = fileStoredData[keyValue];
var file = new ClamUserBooks()
{
BookTitle = formData.BookTitle,
ItemPath = storedPaths[0],
ImagePath = storedPaths[1],
Size = keyConvert.Length,
DateCreated = DateTime.Now,
Status = bool.Parse(formData.Status),
UserId = profile.Id
};
_context.Add(file);
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
public async Task <IActionResult> EditBook(Guid id, StreamFormDataBooks formData)
{
await _unitOfWork.EBooksControl.UpdateEBook(id, formData);
return(RedirectToAction(nameof(Index)));
}
