public async Task ApproveRequest(int id)
{
var approveStatus = await _leaveRequestDal.GetLeaveStatusByName("Approved");
var approvedLeaveRequest = await _leaveRequestDal.GetByFilter(x => x.Id == id);
approvedLeaveRequest.LeaveStatusId = approveStatus.Id;
await _leaveRequestDal.Update(approvedLeaveRequest);
}