Phone Calls | Loading Data: template to construct insert query for a person

phone_calls_load_data_5.js

function personTemplate(person) {
  const { first_name, last_name, phone_number, city, age } = person;
  
  // insert person
  let graqlInsertQuery = `insert $person isa person has phone-number "${phone_number}"`;
  const isNotCustomer = typeof first_name === "undefined";
  
  if (isNotCustomer) {
    // person is not a customer
    graqlInsertQuery += " has is-customer false";
  } else {
    // person is a customer
    graqlInsertQuery += ` has is-customer true`;
    graqlInsertQuery += ` has first-name "${first_name}"`;
    graqlInsertQuery += ` has last-name "${last_name}"`;
    graqlInsertQuery += ` has city "${city}"`;
    graqlInsertQuery += ` has age ${age}`;
  }

  graqlInsertQuery += ";";
  return graqlInsertQuery;
}