Book Image

Magento 2 Cookbook

Book Image

Magento 2 Cookbook

Overview of this book

Magento 2 is an open source e-commerce platform that has all the functionality to function from small to large online stores. It is preferred by developers and merchants due to its new architecture, which makes it possible to extend the functionalities with plugins, a lot of which are now created by the community. This merchant and developer guide is packed with recipes that cover all aspects of Magento 2. The recipes start with simple how-to’s then delve into more advanced topics as the book progresses. We start with the basics of setting up a Magento 2 project on Apache or Nginx. Next, you will learn about basics including system tools and caching to get your Magento 2 system ready for the real work. We move on to simple tasks such as managing your store and catalog configuration. When you are familiar with this, we cover more complex features such as module and extension development. Then we will jump to the final part: advanced Magento 2 extensions. By the end of this book, you’ll be competent with all the development phases of Magento 2 and its most common elements.
Table of Contents (16 chapters)
Magento 2 Cookbook
Credits
Foreword
About the Authors
About the Reviewer
www.PacktPub.com
Preface
Index

Working with database models


Storing data in a database table is handled through a Model class; this model holds the data. While saving the data, a ResourceModel is used, and this class is the link between the Model and database table, and all CRUD operations go through the ResourceModel. When loading a set of records, a Collection is used; it is possible to apply filters to this collection.

Getting ready

Using database models requires that the module configuration is done correctly; otherwise, the autoloader won't be able to find the files to load.

How to do it…

The following steps in this recipe will add the database models to your module:

  1. Create the Model class:

    Model/Demo.php

    <?php
    namespace Genmato\Sample\Model;
    use Magento\Framework\Model\AbstractModel;
    class Demo extends AbstractModel
    {
      /**
      * Initialize resource model
      * @return void
      */
      protected function _construct()
      {
        $this->_init('Genmato\Sample\Model\ResourceModel\Demo');
      }
    }
  2. Create the ResourceModel class:

    Model...