magento2 – How to show customer data ( name, surname, address ) on my custom checkout step after shipping step?

I have created custom checkout step after shopping step.
Now i need to show there customer’s information from shipping step (first name, last name, address, city, country, phone number, etc ) and his orders ( name of order and quantity ).
I don’t know how to do it, please give any advices.

magento2.3.5 – using customer session in block

I want to get customer id in block but the customer session returns null.

from controller, i could get customer id.

logger in block works well so the customer id is executed.


class Config extends MagentoFrameworkViewElementTemplate                                                                                                                                       
    public function __construct(
        MagentoFrameworkViewElementTemplateContext $context,
        MagentoCustomerModelSession $customerSession
    ) {
        $this->session = $customerSession;
        $this->logger = $logger;


    public function getCustomerId(): int
        $this->logger->debug('this log is ok');
        return $this->session->getCustomer()->getId(); // return null

from view,

this code returns 500 because the type hinting of getCustomerId() is :int and return null.

this->session->getCustomer returns null

this->session->isLoggedIn also returns null

i saw almost same, other question in stackexchange, they do not fit my ploblem.

like this Magento2 error on injecting customer session in block

ofcourse i did




database design – Data modelling and openAPI3.0 for customer and license management – when to know how to split entities?

I’m working on a unique ERP + Ecommerce which is a mix of “Shopify meets Adobe Cloud admin”.
Current project: ancient php framework with MVC, no architecture, resembles a procedural website
Refactor objective: switch architecture to MVVM using OpenAPI to generate proxy classes

When redesigning with OpenAPI and doing database normalization
How entities should be separated from each other?


Account Owner
Account Member
License Ownership
License Assigment (in use like a seat)
Shipping Address
Shipping Country
Billing Address

How should I structure the openapi and database model?
In the case of taxes, for example, I need to know all of these

    "Province_State_Tax_Id": "1",
    "Province_State_Name": "Alberta",
    "Province_State_Abbreviation": "AB",
    "Province_State_Tax": "5.00",
    "Country_Id": 38

But I also need to query extra things such as who is the owner of the account, but at the same time maintaining the organization separated from owner (that person could leave the company if it’s an employee). I have functions such as license transfer from one account to another, dealers.

Should I make all those parts separate, then compose them together? When to know when it’s too much separation and too little?

magento2.3.4 – Magento 2 – Disable Payment Method for Certain Customer Groups by using Observer

Source : Stright opposite i just enable certain customer group,




<?xml version="1.0"?>
<config xmlns:xsi="" xsi:noNamespaceSchemaLocation="urn:magento:framework:Event/etc/events.xsd">
    <event name="payment_method_is_active">
        <observer name="enable_payment_customer_group" instance="GtaEnablePaymentMethodObserverPaymentMethodEnable" />


<?xml version="1.0"?>
<config xmlns:xsi="" xsi:noNamespaceSchemaLocation="urn:magento:framework:Module/etc/module.xsd">
    <module name="Gta_EnablePaymentMethod" setup_version="1.0.0" schema_version="1.0.0"/>


namespace GtaEnablePaymentMethodObserver;
use MagentoFrameworkEventObserver;
use MagentoFrameworkEventObserverInterface;
class PaymentMethodEnable implements ObserverInterface {
    protected $_customerSession;
    public function __construct(
       MagentoCustomerModelSession $customerSession
    ) {
       $this->_customerSession = $customerSession;
    public function execute(Observer $observer) {
       $payment_method_code = $observer->getEvent()->getMethodInstance()->getCode();
       if ($payment_method_code == 'paypal_express') {
           $result = $observer->getEvent()->getResult();
           if ($this->_customerSession->isLoggedIn()) {
               $customerGroupId = $this->_customerSession->getCustomer()->getGroupId();
               if ($customerGroupId == 9) {
                   $result->setData('is_available', true);

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javascript – Finds customer who live within 100km and output them to a text file

I had an interview task where I had to output customers who live 100km within a particular latitude and longitude and then output them to a file with their username and ID. The customer file looks like the following:

{"latitude": "52.986375", "user_id": 12, "name": "Christina McArdle", "longitude": "-6.043701"}
{"latitude": "51.92893", "user_id": 1, "name": "Alice Cahill", "longitude": "-10.27699"}
{"latitude": "51.8856167", "user_id": 2, "name": "Ian McArdle", "longitude": "-10.4240951"}
{"latitude": "52.3191841", "user_id": 3, "name": "Jack Enright", "longitude": "-8.5072391"}

Here is the code to implement the calculation for the great-circle-distance

 * solution accuired from

const greatCircleDistanceCalc = (lat1, lon1, lat2, lon2) => {
  const R = 6371; // Radius of the earth in km
  const dLat = deg2rad(lat2 - lat1); // deg2rad below
  const dLon = deg2rad(lon2 - lon1);
  const a =
    Math.sin(dLat / 2) * Math.sin(dLat / 2) +
    Math.cos(deg2rad(lat1)) *
      Math.cos(deg2rad(lat2)) *
      Math.sin(dLon / 2) *
      Math.sin(dLon / 2);
  const c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
  const d = R * c; // Distance in km
  return d;

const deg2rad = (deg) => {
  return deg * (Math.PI / 180);

module.exports = {

Here is the main app.js where the calculation is used and a customer file is read and a new file is outputted.

const fs = require("fs");
const { greatCircleDistanceCalc } = require("./greatCircleDistanceCalc.js");

const customerFile = fs.readFileSync("./customers.txt", "utf-8"); //Read in file
const customerArr = customerFile.split("n").map((s) => JSON.parse(s)); //Convert file into array of objects

const dublinOffice = {
  latitude: "53.339428",
  longitude: "-6.257664",

const invitedArr = ();

//Sort data in ascending order
const sortedCustomers = customerArr.sort((a, b) => {
  return a.user_id - b.user_id;

const closestCustomers = (sortedCustomers, arr) => {
  for ({ latitude, longitude, user_id, name } of sortedCustomers) {
    if (
      ) <= 100
    ) {

const writeInvitedCustomer = (arr) => {
  const writeStream = fs.createWriteStream("Output.txt");
  const pathName = writeStream.path;

  arr.forEach((value) => writeStream.write(`${value}n`));
  writeStream.on("finish", () => {
    console.log(`wrote all the array data to file ${pathName}`);

  writeStream.on("error", (err) => {
    console.error(`There is an error writing the file ${pathName} => ${err}`);


closestCustomers(sortedCustomers, invitedArr);

Overall I am happy with the solution but I think the only thing is I am not sure how to write a test for this.

As always any feedback and suggestions are much welcome.

magento2.3.3 – Get Latest Ordered Items for a Customer Across Multiple Orders

I am trying to gather the latest 100 items a customer has purchased across all his orders. I know I can use itemCollectionFactory and go order by order, but I was wondering if there is a faster way to get directly all the items, instead of running multiple queries for each order.

With a single query, I’d also be able to make sure the same items are not shown twice in the list.


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