library/classes/ClinicalTypes/Characteristic.php

   1 <?php
   2 // Copyright (C) 2011 Ken Chapple <ken@mi-squared.com>
   3 //
   4 // This program is free software; you can redistribute it and/or
   5 // modify it under the terms of the GNU General Public License
   6 // as published by the Free Software Foundation; either version 2
   7 // of the License, or (at your option) any later version.
   8 //
   9 require_once( 'ClinicalType.php' );
  10
  11 class Characteristic extends ClinicalType
  12 {
  13     const TERMINAL_ILLNESS = 'terminal_illness';
  14     const TOBACCO_USER = 'char_tobacco_user';
  15     const TOBACCO_NON_USER = 'char_tobacco_non_user';
  16
  17     public function getListId() {
  18         return 'Clinical_Rules_Char_Types';
  19     }
  20
  21     public function doPatientCheck( RsPatient $patient, $beginDate = null, $endDate = null, $options = null )
  22     {
  23         $return = false;
  24
  25         if ( $this->getOptionId() == self::TERMINAL_ILLNESS )
  26         {
  27             // TODO check for terminal illness
  28         }
  29         else if ( $this->getOptionId() == self::TOBACCO_USER )
  30         {
  31             $tobaccoHistory = getHistoryData( $patient->id, "tobacco", $beginDate, $endDate );
  32             if ( isset( $tobaccoHistory['tobacco'] ) ) {
  33                 $tmp = explode( '|', $tobaccoHistory['tobacco'] );
  34                 $tobaccoStatus = $tmp[1];
  35                 if ( $tobaccoStatus == 'currenttobacco' ) {
  36                     $return = true;
  37                 } else if ( $tobaccoStatus == 'quittobacco' ) {
  38                     $quitDate = $tmp[2];
  39                     if ( strtotime( $quitDate ) > strtotime( $beginDate ) ) {
  40                         $return = true;
  41                     }
  42                 }
  43             }
  44         }
  45         else if ( $this->getOptionId() == self::TOBACCO_NON_USER )
  46         {
  47             $tobaccoHistory = getHistoryData( $patient->id, "tobacco", $beginDate, $endDate );
  48             if ( isset( $tobaccoHistory['tobacco'] ) ) {
  49                 $tmp = explode( '|', $tobaccoHistory['tobacco'] );
  50                 $tobaccoStatus = $tmp[1];
  51                 if ( $tobaccoStatus == 'quittobacco' ) {
  52                     $quitDate = $tmp[2];
  53                     if ( strtotime( $quitDate ) < strtotime( $beginDate ) ) {
  54                         $return = true;
  55                     }
  56                 } else if ( $tobaccoStatus == 'nevertobacco' ) {
  57                     $return = true;
  58                 }
  59             }
  60         }
  61
  62         return $return;
  63     }
  64
  65 }