library/classes/rulesets/Amc/library/AbstractAmcReport.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( 'AmcFilterIF.php' );
  10
  11 abstract class AbstractAmcReport implements RsReportIF
  12 {
  13     protected $_amcPopulation;
  14
  15     protected $_resultsArray = array();
  16
  17     protected $_rowRule;
  18     protected $_ruleId;
  19     protected $_beginMeasurement;
  20     protected $_endMeasurement;
  21
  22     public function __construct( array $rowRule, array $patientIdArray, $dateTarget )
  23     {
  24         // require all .php files in the report's sub-folder
  25         $className = get_class( $this );
  26         foreach ( glob( dirname(__FILE__)."/../reports/".$className."/*.php" ) as $filename ) {
  27             require_once( $filename );
  28         }
  29         // require common .php files
  30         foreach ( glob( dirname(__FILE__)."/../reports/common/*.php" ) as $filename ) {
  31             require_once( $filename );
  32         }
  33         // require clinical types
  34         foreach ( glob( dirname(__FILE__)."/../../../ClinicalTypes/*.php" ) as $filename ) {
  35             require_once( $filename );
  36         }
  37
  38         $this->_amcPopulation = new AmcPopulation( $patientIdArray );
  39         $this->_rowRule = $rowRule;
  40         $this->_ruleId = isset( $rowRule['id'] ) ? $rowRule['id'] : '';
  41         // Parse measurement period, which is stored as array in $dateTarget ('dateBegin' and 'dateTarget').
  42         $this->_beginMeasurement = $dateTarget['dateBegin'];
  43         $this->_endMeasurement = $dateTarget['dateTarget'];
  44     }
  45
  46     public abstract function createNumerator();
  47     public abstract function createDenominator();
  48     public abstract function getObjectToCount();
  49
  50     public function getResults() {
  51         return $this->_resultsArray;
  52     }
  53
  54     public function execute()
  55     {
  56         $numerator = $this->createNumerator();
  57         if ( !$numerator instanceof AmcFilterIF ) {
  58             throw new Exception( "Numerator must be an instance of AmcFilterIF" );
  59         }
  60
  61         $denominator = $this->createDenominator();
  62         if ( !$denominator instanceof AmcFilterIF ) {
  63             throw new Exception( "Denominator must be an instance of AmcFilterIF" );
  64         }
  65
  66         $totalPatients = count( $this->_amcPopulation );
  67
  68         // Figure out object to be counted
  69         //   (patients, labs, transitions, visits, or prescriptions)
  70         $object_to_count = $this->getObjectToCount();
  71         if (empty($object_to_count)) {
  72             $object_to_count="patients";
  73         }
  74
  75         $numeratorObjects = 0;
  76         $denominatorObjects = 0;
  77         foreach ( $this->_amcPopulation as $patient )
  78         {
  79             // If begin measurement is empty, then make the begin
  80             //  measurement the patient dob.
  81             $tempBeginMeasurement = "";
  82             if (empty($this->_beginMeasurement)) {
  83                 $tempBeginMeasurement = $patient->dob;
  84             }
  85             else {
  86                 $tempBeginMeasurement = $this->_beginMeasurement;
  87             }
  88
  89             if ($object_to_count == "patients") {
  90                 //Counting patients
  91                 if ( !$denominator->test( $patient, $tempBeginMeasurement, $this->_endMeasurement ) ) {
  92                     continue;
  93                 }
  94                 $denominatorObjects++;
  95                 if ( !$numerator->test( $patient, $tempBeginMeasurement, $this->_endMeasurement ) ) {
  96                     continue;
  97                 }
  98                 $numeratorObjects++;
  99             }
 100             else {
 101                 //Counting other objects (ie. not patients)
 102                 //Need to create the objects and send each one through the test function.
 103
 104             }
 105         }
 106
 107         $percentage = calculate_percentage( $denominatorObjects, 0, $numeratorObjects );
 108         $result = new AmcResult( $this->_rowRule, $totalPatients, $denominatorObjects, 0, $numeratorObjects, $percentage );
 109         $this->_resultsArray[]= $result;
 110     }
 111 }