public IFormFile[] CheckFiles(IFormFile[] files, string hash, List <EmailAttachment> attachments, string driveName)
{
if (files != null)
{
var filesList = files.ToList();
foreach (var attachment in attachments)
{
var fileView = _fileManager.ExportFileFolder(attachment.FileId.ToString(), driveName).Result;
//check if file with same hash and email id already exists
foreach (var file in files)
{
hash = GetHash(hash, file);
var originalHash = string.Empty;
var stream = IOFile.OpenRead(fileView.StoragePath);
using (stream)
{
IFormFile originalFile = new FormFile(stream, 0, stream.Length, null, Path.GetFileName(stream.Name));
originalHash = GetHash(hash, originalFile);
stream.FlushAsync();
stream.DisposeAsync();
stream.Close();
}
//if email attachment already exists and hash is the same: remove from files list
if (fileView.ContentType == file.ContentType && originalHash == hash && fileView.Size == file.Length)
{
filesList.Remove(file);
}
//if email attachment exists but the hash is not the same: update the attachment and file, remove from files list
else if (fileView.ContentType == file.ContentType && fileView.Name == file.FileName)
{
fileView = new FileFolderViewModel()
{
ContentType = file.ContentType,
Files = new IFormFile[] { file },
IsFile = true,
StoragePath = fileView.StoragePath,
Name = file.FileName,
Id = fileView.Id
};
attachment.SizeInBytes = file.Length;
_emailAttachmentRepository.Update(attachment);
_fileManager.UpdateFile(fileView);
filesList.Remove(file);
}
}
}
//if file doesn't exist, keep it in files list and return files to be attached
var filesArray = filesList.ToArray();
return(filesArray);
}
else
{
return(Array.Empty <IFormFile>());
}
}
public EmailAttachment UpdateAttachment(string id, UpdateEmailAttachmentViewModel request)
{
Guid entityId = new Guid(id);
var existingAttachment = _emailAttachmentRepository.GetOne(entityId);
if (existingAttachment == null)
{
throw new EntityOperationException("No file found to update");
}
request.DriveId = CheckDriveId(request.DriveId);
var drive = _storageDriveRepository.GetOne(Guid.Parse(request.DriveId));
var file = _fileManager.GetFileFolder(existingAttachment.FileId.ToString(), request.DriveId, "Files");
if (file == null)
{
throw new EntityDoesNotExistException($"File could not be found");
}
long?size = file.Size;
if (size <= 0)
{
throw new EntityOperationException($"File size of file {file.Name} cannot be 0");
}
//update email attachment entity
var formFile = request.File;
string storagePath = Path.Combine(drive.Name, "Email Attachments", formFile.FileName);
if (!string.IsNullOrEmpty(formFile.FileName))
{
existingAttachment.Name = formFile.FileName;
}
existingAttachment.ContentType = formFile.ContentType;
existingAttachment.SizeInBytes = formFile.Length;
existingAttachment.ContentStorageAddress = storagePath;
_emailAttachmentRepository.Update(existingAttachment);
//update file entity and file
file.Files = new IFormFile[] { formFile };
file.StoragePath = storagePath;
var fileView = _fileManager.GetFileFolder(existingAttachment.FileId.ToString(), request.DriveId, "Files");
file.FullStoragePath = fileView.FullStoragePath;
_fileManager.UpdateFile(file);
return(existingAttachment);
}
public IFormFile[] CheckFiles(IFormFile[] files, Guid id, string hash, List <EmailAttachment> attachments)
{
if (files != null)
{
var filesList = files.ToList();
foreach (var attachment in attachments)
{
var binaryObject = binaryObjectRepository.GetOne((Guid)attachment.BinaryObjectId);
//check if file with same hash and email id already exists
foreach (var file in files)
{
hash = GetHash(hash, file);
//if email attachment already exists and hash is the same: remove from files list
if (binaryObject.ContentType == file.ContentType && binaryObject.CorrelationEntityId == id && binaryObject.Name == file.FileName && binaryObject.HashCode == hash)
{
filesList.Remove(file);
}
//if email attachment exists but the hash is not the same: update the attachment and file, remove from files list
else if (binaryObject.ContentType == file.ContentType && binaryObject.CorrelationEntityId == id && binaryObject.Name == file.Name)
{
emailAttachmentRepository.Update(attachment);
var organizationId = binaryObjectManager.GetOrganizationId();
binaryObjectManager.Update(file, organizationId, "EmailAPI", (Guid)binaryObject.Id);
filesList.Remove(file);
}
}
}
//if file doesn't exist, keep it in files list and return files to be attached
var filesArray = filesList.ToArray();
return(filesArray);
}
else
{
return(Array.Empty <IFormFile>());
}
}
