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

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Using front controllers to create a new page

If you need to create a complex module, you will need to use front controllers. First of all, using front controllers will permit to split the code in several classes (and files) instead of coding all your module actions in the same class. Also, unlike hooks (that handle some of the display in the existing PrestaShop pages), it will allow you to create new pages.

Creating the front controller

To make this section easier to understand, we will make an improvement on our current module. Instead of displaying all of the comments (there can be many), we will only display the last three comments and a link that redirects to a page containing all the comments of the product.

First of all, we will add a limit to the Db request in the assignProductTabContent method of your module class that retrieves the comments on the product page:

$comments = Db::getInstance()->executeS('
  SELECT * FROM `'._DB_PREFIX_.'mymod_comment`
  WHERE `id_product` = '.(int)...

Visually different images

CONTINUE READING

83

Tech Concepts

36

Programming languages

73

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