5. Front Controllers, Object Models, and Overrides | PrestaShop Module Development

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PrestaShop Module Development

By : Serny

4.5 (15)

PrestaShop Module Development

4.5 (15)

By: Serny

Overview of this book

If you are a developer who is new to PrestaShop and wants to get a good foundation in development on the PrestaShop framework, this book is for you. It's assumed that you will have some experience with PHP5, jQuery, and HTML/CSS (no need to be an expert on it).

Preface

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Free Chapter

1. Creating a New Module

1. Creating a New Module

First steps

Adding the module configuration

Making a simple configuration form

Summary

2. Hooks

2. Hooks

Registering our module on hooks

Changing the position of your module on a hook

Using hooks to display templates

Using the database class to save comments

Displaying comments

Triggering hooks

Adding a hook

The dynamic hooks

Summary

3. Using Context and its Methods

3. Using Context and its Methods

Looking at the Context object

Using the translate method

Adding CSS and JS in your module

Checking compatibilities and dependencies

Summary

4. Building Module Updates

4. Building Module Updates

Creating a database table on module installation

Deleting a table on uninstallation

Upgrading your module

Updating the module code

Adding a callback to options

Summary

5. Front Controllers, Object Models, and Overrides

5. Front Controllers, Object Models, and Overrides

Using front controllers to create a new page

Installing overrides with modules

Using object models to create cleaner code

Using HelperForm to make a scalable form

Cleaning your code using the hook's controller

Summary

6. Admin Controllers and Hooks

6. Admin Controllers and Hooks

Adding an admin controller

Using back office hooks

Summary

7. The Carrier Module

7. The Carrier Module

First step to create a carrier module

Using web services

Creating new carriers

Using web services on shipping cost calculation

Handling carrier update

Displaying relay points

Associating the chosen relay point with the cart

Displaying the customer's choice in the back office

Summary

8. The Payment Module

8. The Payment Module

Creating a payment module

Creating the payment controller

Checking the currency

Validating a cart into an order

Displaying information on the order confirmation page

Creating your own order state

Associating an e-mail with an order state

Working with a third-party API

Summary

9. Multistore

9. Multistore

Configuring the multistore feature on your PrestaShop

Updating the MySQL table of the module

Updating the module code

Using the Configuration class with multistore

Summary

10. Security and Performance

10. Security and Performance

Securing your module

Searching for malicious code in modules

Performance and optimization

Summary

A. Native Hooks

A. Native Hooks

The list of all the dynamic hooks

Index

Index

Installing overrides with modules

As we saw in the introduction of this chapter, sometimes hooks are not sufficient to meet the needs of developers; hooks can't alter the default process of PrestaShop. We could add code to core classes; however, it is not recommended, as all those core changes will be erased when PrestaShop is updated using the autoupgrade module (even a manual upgrade would be difficult). That's where overrides take the stage.

Creating the override class

Installing new object models and controller overrides on PrestaShop is very easy.

To do so, you have to create an override directory in the root of your module's directory. Then, you just have to place your override files respecting the path of the original file that you want to override. When you install the module, PrestaShop will automatically move the override to the overrides directory of PrestaShop.

In our case, we will override the getProducts method of the /classes/Search.php class to display the grade and the number...

Visually different images

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Tech Concepts

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Programming languages

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