private void Validate(Guid employerId, IEnumerable <Guid> existingAttachmentIds, FileContents fileContents, string fileName)
{
// Must have appropriate file extension.
var extension = Path.GetExtension(fileName).ToLower();
if (!Constants.ValidFileExtensions.Contains(extension))
{
throw new InvalidFileNameException {
FileName = fileName, ValidFileExtensions = Constants.ValidFileExtensions
}
}
;
// Must not be too large.
if (fileContents.Length > Constants.MaxAttachmentFileSize)
{
throw new FileTooLargeException {
MaxFileSize = Constants.MaxAttachmentFileSize
}
}
;
// The total mmust not be too large.
var attachments = _repository.GetMessageAttachments(employerId, existingAttachmentIds);
if (attachments.Count > 0)
{
var fileReferences = _filesQuery.GetFileReferences(from a in attachments select a.FileReferenceId, new Range());
var totalSize = attachments.Sum(a => (from f in fileReferences where f.Id == a.FileReferenceId select f).Single().FileData.ContentLength);
if (totalSize + fileContents.Length > Constants.MaxAttachmentTotalFileSize)
{
throw new TotalFilesTooLargeException {
MaxTotalFileSize = Constants.MaxAttachmentTotalFileSize
}
}
;
}
}
}
}
IList <MemberMessageAttachment> IEmployerMemberContactsQuery.GetMessageAttachments(IEmployer employer, IEnumerable <Guid> ids)
{
return(employer == null
? new List <MemberMessageAttachment>()
: _repository.GetMessageAttachments(employer.Id, ids));
}
