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 service layers/contracts


A service layer/contract is a fixed interface to get and store data without knowing the underlying layer. It is possible to swap the way the data is stored without changing the service layer.

A service layer consists of three interface types:

  • Data interface: A data interface is a read-only presentation of a record, and therefore, this type of interface only has getters to represent a data record.

  • Repository interface: A repository interface gives access to read and write (and delete) data. Every repository interface has the following methods:

    • getList: This returns a list of records based on the (optionally) provided search parameters

    • get: This loads the data from the database and returns a data interface for the specified ID

    • save: This saves the record specified in the data interface

    • delete: This deletes the record specified in the data interface

    • deleteById: This deletes the record specified by the ID

  • Management interface: In a management interface, it is possible...