Book Image

Magento 2 Development Quick Start Guide

By : Branko Ajzele
Book Image

Magento 2 Development Quick Start Guide

By: Branko Ajzele

Overview of this book

Magento is an open-source, enterprise-level e-commerce platform with unlimited scope for customization. This makes it a great choice not only for vendors but for developers as well. This book guides you through Magento development, teaching you how to develop modules that extend or change its functionality, leading to more ?exible and profitable Magento stores. You start with a structural overview of the key Magento development components. You will learn where things such as plugins, events, models, controllers, layouts, and UI components ft into the development landscape. You will go through examples of using these components to extend Magento. As you progress, you will be building a diverse series of small but practical Magento modules. By the end of this book, you will not only have a solid foundation in the Magento development architecture; but you will also have practical experience in developing modules to customize and extend Magento stores.
Table of Contents (11 chapters)

Working with setup scripts

Every time a module is installed via a php bin/magento module:enable command, Magento shows the following message: To make sure that the enabled modules are properly registered, run 'setup:upgrade'. The php bin/magento setup:upgrade command upgrades the Magento application, database data, and schema. Once triggered, the upgrade command instantiates Magento\Setup\Model\Installer, which then goes through a series of methods. Its getSchemaDataHandler method reveals the types of available setup scripts:

  • InstallSchema.php
  • UpgradeSchema.php
  • Recurring.php
  • InstallData.php
  • UpgradeData.php
  • RecurringData.php

These scripts live under the <VendorName>/<ModuleName>/Setup directory.

Once successfully finished, the setup:upgrade command makes a new entry, or updates an existing one, in the setup_module table. There, we can see the schema_version...