/// <summary>
/// Gets the image response message.
/// </summary>
/// <param name="filePath">The file path.</param>
/// <param name="width">The width.</param>
/// <param name="height">The height.</param>
/// <returns></returns>
protected virtual HttpResponseMessage GetImageResponseMessage(string filePath, int width = 0, int height = 0)
{
HttpResponseMessage result;
var fileInfo = new FileInfo(filePath);
var resizedFilePath = ServerFileHelper.GetResizedImagePath(filePath, width, height);
byte[] resizedImageByteArray;
using (Image resizedImage = Image.FromFile(resizedFilePath))
{
resizedImageByteArray = ServerFileHelper.ConvertImageToByteArray(resizedImage, fileInfo.Extension);
}
if (resizedImageByteArray != null && resizedImageByteArray.Length > 0)
{
result = new HttpResponseMessage(HttpStatusCode.OK);
MemoryStream dataStream = new MemoryStream(resizedImageByteArray);
result.Content = new StreamContent(dataStream);
result.Content.Headers.ContentType = new MediaTypeHeaderValue(ServerFileHelper.ConvertImageExtToMediaTypeHeaderValue(fileInfo.Extension));
}
else // Failed to read image
{
result = new HttpResponseMessage(HttpStatusCode.NoContent);
}
return(result);
}
private SimplifiedServerResponse GenerateGetResponse(SimplifiedClientRequest request)
{
SimplifiedServerResponse response = GenerateHeadResponse(request);
if (ServerFileHelper.FileExists(request.Url))
{
response.Body = ServerFileHelper.GetFileContent(request.Url);
}
return(response);
}
private SimplifiedServerResponse GenerateDeleteResponse(SimplifiedClientRequest request)
{
SimplifiedServerResponse response = GenerateHeadResponse(request);
if (ServerFileHelper.FileExists(request.Url))
{
response.ResponseStatus = 202;
ServerFileHelper.DeleteFile(request.Url);
}
return(response);
}
/// <summary>
/// Deletes the record.
/// </summary>
/// <param name="recordId">The record identifier.</param>
protected override void DeleteRecord(int recordId)
{
var productImage = this.UnitOfWork.ProductImageDAO.SelectByID(recordId);
if (productImage != null)
{
var oldFilePath = System.IO.Path.Combine(HttpContext.Current.Server.MapPath(
AppConstants.ImageDirName), productImage.ImageFile);
if (!ServerFileHelper.DeleteFile(oldFilePath))
{
throw new BusinessException("Không thể xóa hình ảnh");
}
// Mark record has been deleted
this.UnitOfWork.ProductImageDAO.Delete(recordId);
}
}
private SimplifiedServerResponse GenerateHeadResponse(SimplifiedClientRequest request)
{
SimplifiedServerResponse response = new SimplifiedServerResponse()
{
HttpVersion = request.HttpVersion,
Connection = request.Connection,
Cookies = request.Cookies
};
if (ServerFileHelper.FileExists(request.Url))
{
response.ResponseStatus = 200;
response.ContentType = ServerFileHelper.GetContentType(request.Url);
response.LastModified = ServerFileHelper.GetModifyDate(request.Url);
}
else
{
response.ResponseStatus = 404;
}
return(response);
}
private SimplifiedServerResponse GeneratePutResponse(SimplifiedClientRequest request)
{
SimplifiedServerResponse response = new SimplifiedServerResponse()
{
HttpVersion = request.HttpVersion,
ContentLocation = request.Url,
Connection = request.Connection,
Cookies = request.Cookies
};
if (ServerFileHelper.FileExists(request.Url))
{
response.ResponseStatus = 204;
}
else
{
response.ResponseStatus = 201;
ServerFileHelper.WriteFileContent(request.Url, request.MessageBody);
}
return(response);
}
public virtual HttpResponseMessage UploadFiles()
{
var funcName = "UploadFiles";
Logger.DebugFormat("{0} <-- Start", funcName);
HttpResponseMessage result = null;
try
{
var statuses = new List <FileStatus>();
var ownerId = this.GetImageOwnerId(HttpContext.Current.Request.Form);
if (!string.IsNullOrEmpty(ownerId))
{
for (var i = 0; i < HttpContext.Current.Request.Files.Count; i++)
{
var file = HttpContext.Current.Request.Files[i];
var refFileName = string.Empty;
bool uploadResult;
if (ImageExtensions.Contains(Path.GetExtension(file.FileName).ToUpper())) // Uploaded file is image
{
// Decrease image width to less than 1024 before uploading
uploadResult = ServerFileHelper.UploadAndResizeFile(file,
AppConstants.MaximumImageWidth, this.StorageRootPath, ref refFileName);
}
else // pdf or zip file
{
uploadResult = ServerFileHelper.UploadFile(file, this.StorageRootPath, ref refFileName);
}
if (uploadResult) // Upload successful
{
this.PostProcessUploading(refFileName, ownerId); // Update image info to DB
statuses.Add(new FileStatus(refFileName, file.ContentLength));
}
}
// Save uploaded image info to DB
this.UnitOfWork.SaveChanges((exception) =>
{
// Deleted all uploaded files
for (var i = 0; i < HttpContext.Current.Request.Files.Count; i++)
{
var file = HttpContext.Current.Request.Files[i];
var filePath = Path.Combine(this.StorageRootPath, file.FileName);
ServerFileHelper.DeleteFile(filePath);
}
throw new DatabaseException((int)DatabaseErrorCode.UploadImage, exception);
});
// Write upload status
this.WriteJsonIframeSafe(HttpContext.Current, statuses);
result = new HttpResponseMessage(HttpStatusCode.OK);
}
else // Owner is empty
{
result = new HttpResponseMessage(HttpStatusCode.NotImplemented);
}
}
catch (Exception ex)
{
Logger.WarnFormat("{0} - Exception: {1}", funcName, ex);
result = new HttpResponseMessage(HttpStatusCode.NotImplemented);
}
Logger.DebugFormat("{0} --> End", funcName);
return(result);
}
