medicalrecord_data_gen.js

var Chance = require('chance');
var chance = new Chance();


chance.mixin({
'p_address': function() {
    return {
        addr1: chance.address(),
        addr2: chance.pickone(['Apt 1','Apt 6','']),
        city: chance.city(),
        state: chance.state({ country: 'us' }),
        zipcode: chance.zip()
    };
}
});

chance.mixin({
'p_diagnosis': function() {
    return chance.pickset([
      'C00.3 Malignant neoplasm of upper lip, inner aspect',
      'C00.8 Malignant neoplasm of overlapping sites of lip',
      'C02.0 Malignant neoplasm of dorsal surface of tongue',
      'C13.2 Malignant neoplasm of posterior wall of hypopharynx',
      'C46.0 Kaposis sarcoma of skin',
      'D14.0 Benign neoplasm of middle ear, nasal cavity and accessory sinuses',
      'D31.0 Benign neoplasm of conjunctiva',
      'D34 Benign neoplasm of thyroid gland'],2)
    }
});

chance.mixin({
'p_insurance': function(_lastname) {
    return {
      group_number: "A" + chance.pad(chance.natural({min: 1, max: 100000}), 6),
      id_number: chance.pad(chance.natural({min: 1, max: 99}), 2) + '-' +
                chance.pad(chance.natural({min: 1, max: 999}), 3) + '-' +
                chance.pad(chance.natural({min: 1, max: 9999}), 4),
      spouse_birth_date: chance.birthday({ string: true, year: chance.year({ min: 1950, max: 2000 }) }),
      spouse_name: chance.first({ gender: "female" }) + " " + _lastname
    }
}
});

chance.mixin({
'p_mrn': function() {
      return  "MR" + chance.pad(chance.natural({min: 1, max: 99}), 2) +
                chance.pad(chance.natural({min: 1, max: 999}), 3) + '-' +
                chance.pad(chance.natural({min: 1, max: 9999}), 4);
}
});



function medical_record(patient_name, lastname, patient_id, internal_mrn)
{
    this.patient_name = patient_name;
    this.patient_id = patient_id;
    this.birth_date = chance.birthday({string: true, type: 'adult'});
    this.home_phone = chance.phone();
    this.address = chance.p_address();
    this.diagnosis = chance.p_diagnosis();
    this.gender = chance.gender();
    this.marital_status = chance.pickone(['Single','Married','Divorced','Widowed']);
    this.contact_by = chance.pickone(['email','phone','postal mail']);
    this.race = chance.pickone(['White','Black', 'Asian', 'American Indian', 'Native Hawaiian']);
    this.social_security_number = chance.ssn();
    this.language = "English";
    this.medical_record_number = internal_mrn;
    this.external_mrn = chance.p_mrn();
    this.email = chance.email();
    this.insurance = chance.p_insurance(lastname);
    this.payments = chance.p_payments(patient_name, patient_id, internal_mrn);

}

chance.mixin({
'p_payment_info': function(_patient_name) {
  _cctype = chance.pickone(['visa','dcusc','mc','discover']);
    return {
      cardholder_name: _patient_name,
      total_amount: chance.dollar({max: 2500}),
      payment_type: _cctype,
      card_number: chance.cc({type: _cctype}),
      ccv: chance.pad(chance.natural({min: 1, max: 999}), 3),
      exp_date: chance.exp()
    }
}
});

chance.mixin({
'p_purchase_items': function() {
    return chance.pickset([
      '[PRINIVIL TABS] [20 MG] [LISINOPRIL] [1 po qd]',
      '[HUMULIN INJ] [70/30] [INSULIN REG & ISOPHANE HUMAN] [20 units ac breakfast]'
    ],2)
}
});

chance.mixin({
'p_payments': function(patient_name, patient_id, patient_account_number) {

  return {
    patient_account_number: patient_account_number,
    admission_date: chance.date({year: 2017, month: 01, string:true}),
    charge_date: chance.date({year: 2017, month: 02, string:true}),
    purchase_items: chance.p_purchase_items(),
    payment_info: chance.p_payment_info(patient_name)
  }
}
});

function print_medical_record() {
  while(true) {

    var _lastname = chance.last();
    var _patient_id = "Z" + chance.pad(chance.natural({min: 1, max: 100000}), 6);
    var _patient_name = chance.first({ gender: "male" }) + " " + _lastname;
    var _internal_mrn = chance.p_mrn();

    var instance = new medical_record(_patient_name, _lastname, _patient_id, _internal_mrn);
    console.log(JSON.stringify(instance));
  }
}

/* use this stuff if you want to do performance testing */
var cluster = require('cluster');
  var numCPUs = process.argv[2];

  if(!numCPUs) {console.log("How many processes shall we run? "); process.exit(0); }

  if (cluster.isMaster) {
    // Fork workers.
  for (var i = 0; i < numCPUs; i++) {
  cluster.fork();
  }

  cluster.on('exit', function(worker, code, signal) {
    console.log('worker ' + worker.process.pid + ' died');
 });
} else {
  print_medical_record();
}