Book Image

Practical Module development for Prestashop 8

By : Louis AUTHIE
Book Image

Practical Module development for Prestashop 8

By: Louis AUTHIE

Overview of this book

After version 1.7, PrestaShop underwent a host of changes, including migration to a Symfony-based system from an outdated legacy code. This migration brought about significant changes for developers, from routine maintenance to module development. Practical Module Development for PrestaShop 8 is curated to help you explore the system architecture, including migrated and non-migrated controllers, with a concise data structure overview. You’ll understand how hooks enable module customization and optimize the CMS. Through the creation of seven modules, you’ll learn about the structure of modules, hook registration, the creation of front-office controllers, and Symfony back-office controllers. By using Doctrine entities, services, CQRS, grids, and forms, you’ll be guided through the creation of standard, payment and carrier modules. Additionally, you'll customize and override themes to achieve your desired e-commerce store look. By the end of this book, you’ll be well equipped to provide modern solutions with PrestaShop that meet client requirements.
Table of Contents (23 chapters)
1
Part 1 – Understanding How PrestaShop is Structured and How It Works
8
Part 2 – How to Create Your Own Modules
16
Part 3 – Customizing Your Theme
Appendix – Module Upgrade, The Hooks Discovery Tool, and Multi-Store Functions

Upgrading a module

Imagine that we have a module in version 1.0.0 and that we want to change its version to 1.0.1. In the first version, we missed a column in a table, and we decided to add it in the new version. How can we do it without obliging our users to reset the module and lose the data? That’s what upgrades are for!

Let’s say that our initial table was the ps_testmodule_item table and that we want to add a position integer column to it in the new version.

First, we can add an upgrade/ folder to our module root folder. And let’s add a new upgrade/upgrade-1.0.1.php file to it. It will contain the function that will be called on upgrading to the 1.0.1 version of the current module. There, we will be able to execute our table column changes.

On upgrading, the called function will be upgrade_module_1_0_1($module).

In our example, our upgrade/upgrade-1.0.1.php file will contain the following code:

<?php
function upgrade_module_1_0_1($module...