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     {
  19         return 'Clinical_Rules_Char_Types';
  20     }
  21
  22     public function doPatientCheck(RsPatient $patient, $beginDate = null, $endDate = null, $options = null)
  23     {
  24         $return = false;
  25
  26         if ($this->getOptionId() == self::TERMINAL_ILLNESS) {
  27             // TODO check for terminal illness
  28         } else if ($this->getOptionId() == self::TOBACCO_USER) {
  29             $tobaccoHistory = getHistoryData($patient->id, "tobacco", $beginDate, $endDate);
  30
  31             if (isset($tobaccoHistory['tobacco'])) {
  32                 $tmp = explode('|', $tobaccoHistory['tobacco']);
  33                 $tobaccoStatus = $tmp[1];
  34                 if ($tobaccoStatus == 'currenttobacco') {
  35                     $return = true;
  36                 } else if ($tobaccoStatus == 'quittobacco') {
  37                     $quitDate = $tmp[2];
  38                     if (strtotime($quitDate) > strtotime($beginDate)) {
  39                         $return = true;
  40                     }
  41                 }
  42             }
  43         } else if ($this->getOptionId() == self::TOBACCO_NON_USER) {
  44             $tobaccoHistory = getHistoryData($patient->id, "tobacco", $beginDate, $endDate);
  45             if (isset($tobaccoHistory['tobacco'])) {
  46                 $tmp = explode('|', $tobaccoHistory['tobacco']);
  47                 $tobaccoStatus = $tmp[1];
  48                 if ($tobaccoStatus == 'quittobacco') {
  49                     $quitDate = $tmp[2];
  50                     if (strtotime($quitDate) < strtotime($beginDate)) {
  51                         $return = true;
  52                     }
  53                 } else if ($tobaccoStatus == 'nevertobacco') {
  54                     $return = true;
  55                 }
  56             }
  57         }
  58
  59         return $return;
  60     }
  61 }