library/classes/ClinicalTypes/Characteristic.php

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