Knase

Magento 2 Training Workbook

This repository contains a list of practice tasks to build skill important to be a good php engineer. Magento 2 just happens to be a tool that we are using here to understand large codebases. Principles learned while deep diving into Magento are very similar to principles used in other frameworks.

Before you jump into Magento 2 codebase, it's important to understand configurations available in Magento. Install opensource version on your local machine.Explore at

Knase

# found at: 
# http://stackoverflow.com/questions/1895059/git-revert-to-a-commit-by-sha-hash

# reset the index to the desired tree
git reset --hard 56e05fced

# move the branch pointer back to the previous HEAD
git reset --soft HEAD@{1}

git commit -m "Revert to 56e05fced"

Knase

<?php


/**
 * Return the path of the auth.json file.
 */
function findAuthJson() {

    // Windows sets HOMEDRIVE and HOMEPATH, but cygwin sets HOME.
    if (!isset($_SERVER["HOME"]) && isset($_SERVER["HOMEDRIVE"])) {

Knase

Write to NTFS support MacOS

1. Get the partition UUID

Connect the external drive to MacOS. It should mount read-only. Start "System Information", clic on Hardware -> Storage, select your drive in the list and copy its UUID.

Another way to get the UUID is to use the diskutil CLI tool:

~$ diskutil list 
~$ distutil info diskXsY

Knase

SET FOREIGN_KEY_CHECKS = 0;
#clear orders
TRUNCATE TABLE `gift_message`;
TRUNCATE TABLE `quote`;
TRUNCATE TABLE `quote_address`;
TRUNCATE TABLE `quote_address_item`;
TRUNCATE TABLE `quote_id_mask`;
TRUNCATE TABLE `quote_item`;
TRUNCATE TABLE `quote_item_option`;
TRUNCATE TABLE `quote_payment`;

Knase

composer require cweagans/composer-patches symplify/vendor-patches --dev

cp vendor/nette/di/src/DI/Extensions/InjectExtension.php vendor/nette/di/src/DI/Extensions/InjectExtension.php.old
#add changes in main file

vendor/bin/vendor-patches generate
#check file /patches/nette-di-di-extensions-injectextension.php.patch
#check composer.json

composer install

Knase

Speed up warden for faster importing of large sql dumps.

1. Add the innodb options to the warden/environments/magento2.base.yml docker-compose YML file.
2. Restart warden environment warden env down && warden sync stop && warden env up -d && warden sync start
3. Import the .sql file with warden db import.
4. Remove options & restart warden enviornment once import completed.

Why these settings

• innodb_buffer_pool_size : Will cache frequently read data

Knase

Speed up warden for faster importing of large sql dumps.

1. Add the innodb options to the warden/environments/magento2.base.yml docker-compose YML file.
2. Restart warden environment warden env down && warden sync stop && warden env up -d && warden sync start
3. Import the .sql file with warden db import.
4. Remove options & restart warden enviornment once import completed.

Why these settings

• innodb_buffer_pool_size : Will cache frequently read data

Knase

sudo lsof -i -P -n | grep LISTEN
sudo netstat -tulpn | grep LISTEN
sudo ss -tulpn | grep LISTEN
sudo lsof -i:22 ## see a specific port such as 22 ##
sudo nmap -sTU -O IP-address-Here

Knase

SET FOREIGN_KEY_CHECKS=0;

# Clean order history
TRUNCATE TABLE `sales_bestsellers_aggregated_daily`;
TRUNCATE TABLE `sales_bestsellers_aggregated_monthly`;
TRUNCATE TABLE `sales_bestsellers_aggregated_yearly`;

# Clean order infos
TRUNCATE TABLE `sales_creditmemo`;
TRUNCATE TABLE `sales_creditmemo_comment`;