library/classes/ClinicalTypes/Encounter.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 Encounter extends ClinicalType
  12 {
  13     const OPTION_ENCOUNTER_COUNT = 'count';
  14
  15     const ENC_OUTPATIENT = 'enc_outpatient';
  16     const ENC_NURS_FAC = 'enc_nurs_fac';
  17     const ENC_OFF_VIS = 'enc_off_vis';
  18     const ENC_HEA_AND_BEH = 'enc_hea_and_beh';
  19     const ENC_OCC_THER = 'enc_occ_ther';
  20     const ENC_PSYCH_AND_PSYCH = 'enc_psych_and_psych';
  21     const ENC_PRE_MED_SER_18_OLDER = 'enc_pre_med_ser_18_older';
  22     const ENC_PRE_MED_SER_40_OLDER = 'enc_pre_med_ser_40_older';
  23     const ENC_PRE_IND_COUNSEL = 'enc_pre_ind_counsel';
  24     const ENC_PRE_MED_GROUP_COUNSEL = 'enc_pre_med_group_counsel';
  25     const ENC_PRE_MED_OTHER_SERV = 'enc_pre_med_other_serv';
  26     const ENC_OUT_PCP_OBGYN = 'enc_out_pcp_obgyn';
  27     const ENC_PREGNANCY = 'enc_pregnancy';
  28     const ENC_ACUTE_INP_OR_ED = 'enc_acute_inp_or_ed'; // encounter acute inpatient or ED
  29     const ENC_NURS_DISCHARGE = 'enc_nurs_discharge'; // encounter nursing discharge
  30     const ENC_NONAC_INP_OUT_OR_OPTH = 'enc_nonac_inp_out_or_opth'; // encounter non-acute inpt, outpatient, or ophthalmology
  31     const ENC_INFLUENZA = 'enc_influenza';
  32     const ENC_OPHTHAL = 'enc_ophthal_serv';
  33
  34     public static function getEncounterTypes()
  35     {
  36         $oClass = new ReflectionClass( 'Encounter' );
  37         $constants = $oClass->getConstants();
  38         $encounters = array();
  39         foreach ( $constants as $constant ) {
  40             if ( strpos( $constant, 'enc' ) === 0 ) {
  41                 $encounters[]= $constant;
  42             }
  43         }
  44         return $encounters;
  45     }
  46
  47     public function getListId()
  48     {
  49         return "rule_enc_types";
  50     }
  51
  52     /*
  53      *  Fetch an array of all dates on which this encounter took place for a patient.
  54      *
  55      *  @param (CqmPatient) $patient
  56      *  @param $beginDate beginning of date range to search in, if specified
  57      *  @param $endDate end of date range to search in, if specified
  58      */
  59     public function fetchDates( RsPatient $patient, $beginDate = null, $endDate = null )
  60     {
  61         $encounters = getEncounters( $patient->id, $beginDate, $endDate, $this->getOptionId() );
  62         $dates = array();
  63         foreach ( $encounters as $encounter )
  64         {
  65             $dateRow = getEncounterDateByEncounter( $encounter['encounter'] );
  66             $dates []= $dateRow['date'];
  67         }
  68         return $dates;
  69     }
  70
  71     public function doPatientCheck( RsPatient $patient, $beginMeasurement = null, $endMeasurement = null, $options = null )
  72     {
  73         $encounters = getEncounters( $patient->id, $beginMeasurement, $endMeasurement, $this->getOptionId() );
  74         ( empty($encounters) ) ? $totalNumberAppt = 0 : $totalNumberAppt = count( $encounters );
  75         $requiredCount = 1;
  76         if ( isset( $options[self::OPTION_ENCOUNTER_COUNT]  ) ) {
  77             $requiredCount = $options[self::OPTION_ENCOUNTER_COUNT];
  78         }
  79         if ( $totalNumberAppt < $requiredCount ) {
  80             return false;
  81         } else {
  82             return true;
  83         }
  84     }
  85 }