public function addHistory($id, $leave, $days, $action, $leaveDays, $details, $added)
 {
     $data = array('employee_id' => $id, 'leave_type' => $leave, 'leave_left' => $days, 'action' => $action . ' ' . $added . ' day/s Leave', 'updated_leave' => $leaveDays, 'details' => $details);
     Leave_history_model::create($data);
 }
 public function updateLeave($id, $leave)
 {
     $details = $this->input->post('txtDetails');
     $type = Leave_left_model::find_by_leave_type_id_and_employee_id($leave, $id);
     $days = $type->days;
     $leaveDays = $days + $this->input->post('txtLeaveType');
     $this->reports_model->update_leave($id, $leave, $leaveDays);
     Leave_history_model::addHistory($id, $leave, $days, 'Acquired', $leaveDays, $details, $this->input->post('txtLeaveType'));
     $this->session->set_userdata('edited', 1);
     Audit_trail_model::auditAddLeave($id);
     redirect("ems/view_details?emp_id={$id}");
 }