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  • Book Overview & Buying WordPress Web Application Development - Second Edition
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WordPress Web Application Development - Second Edition

WordPress Web Application Development - Second Edition

By : Rakhitha Nimesh Ratnayake
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WordPress Web Application Development - Second Edition

WordPress Web Application Development - Second Edition

5 (2)
By: Rakhitha Nimesh Ratnayake
Buy this Book

Overview of this book

This book is intended for WordPress developers and designers who want to develop quality web applications within a limited time frame and for maximum profit. Prior knowledge of basic web development and design is assumed.
Table of Contents (14 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. WordPress as a Web Application Framework
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1. WordPress as a Web Application Framework
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WordPress as a CMS
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WordPress as a web application framework
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Simplifying development with built-in features
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Identifying the components of WordPress
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A development plan for the portfolio management application
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Understanding limitations and sticking to guidelines
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Building a question-answer interface
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Enhancing features of the questions plugin
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Summary
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2. Implementing Membership Roles, Permissions, and Features
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2. Implementing Membership Roles, Permissions, and Features
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Introduction to user management
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Getting started with user roles
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Understanding user capabilities
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Registering application users
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Implementing frontend registration
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Creating a login form in the frontend
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Time to practice
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Summary
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3. Planning and Customizing the Core Database
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3. Planning and Customizing the Core Database
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Understanding the WordPress database
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Exploring the role of existing tables
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Adapting existing tables into web applications
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Extending the database with custom tables
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Planning the portfolio application tables
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Querying the database
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Limitations and considerations
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Summary
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4. Building Blocks of Web Applications
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4. Building Blocks of Web Applications
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Introduction to custom content types
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Planning custom post types for application
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Implementing custom post types for a portfolio application
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What is a template engine?
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Persisting custom field data
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Introducing custom post type relationships
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Pods framework for custom content types
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Time to practice
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Summary
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5. Developing Pluggable Modules
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5. Developing Pluggable Modules
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A brief introduction to WordPress plugins
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WordPress plugins for web development
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Time to practice
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Summary
6
6. Customizing the Dashboard for Powerful Backends
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6. Customizing the Dashboard for Powerful Backends
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Understanding the admin dashboard
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Customizing the admin toolbar
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Customizing the main navigation menu
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Adding features with custom pages
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Building options pages
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Using feature-packed admin list tables
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An awesome visual presentation for admin screens
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The responsive nature of the admin dashboard
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Time for action
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Summary
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7. Adjusting Theme for Amazing Frontends
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7. Adjusting Theme for Amazing Frontends
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An introduction to the WordPress application frontend
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Web application layout creation techniques
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Building the portfolio application home page
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Widgetizing application layouts
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Designing a home page template
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Generating the application frontend menu
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Managing options and widgets with customizer
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Creating pluggable templates
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Extending the home page template with action hooks
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Planning action hooks for layouts
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Time for action
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Summary
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8. Enhancing the Power of Open Source Libraries and Plugins
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8. Enhancing the Power of Open Source Libraries and Plugins
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Why choose open source libraries?
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Open source libraries inside the WordPress core
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Open source JavaScript libraries in the WordPress core
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Using PHPMailer for custom e-mail sending
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Implementing user authentication with OpenAuth
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Using third- party libraries and plugins
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Time for action
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Summary
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9. Listening to Third-party Applications
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9. Listening to Third-party Applications
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Introduction to APIs
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The WordPress XML-RPC API for web applications
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Building the API client
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Creating a custom API
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Integrating API user authentication
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Integrating API access tokens
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Providing the API documentation
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Time for action
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Summary
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10. Integrating and Finalizing the Portfolio Management Application
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10. Integrating and Finalizing the Portfolio Management Application
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Integrating and structuring the portfolio application
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Adding the template loader dependencies
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Interating the template loader into a user manager
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Working with a restructured application
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Updating a user profile with additional fields
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Scheduling subscriber notifications
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Time for action
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Final thoughts
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Summary
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11. Supplementary Modules for Web Development
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11. Supplementary Modules for Web Development
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Internationalization
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Working with media grid and image editor
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Introduction to the post editor
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Lesser-known WordPress features
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Introduction to multisite
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Time for action
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Summary
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A. Configurations, Tools, and Resources
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A. Configurations, Tools, and Resources
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Configure and set up WordPress
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Open source libraries and plugins
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Online resources and tutorials
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Index
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Index

Creating a custom API

Custom APIs are essential for adding web application-specific behaviors, which go beyond the generic blogging functionality. We need the implementation for both the server and client to create a custom API. Here, we will build an API function that outputs the list of developers in the portfolio application. Here, we will use a separate plugin for API creation as an API is usually a separate component from the application. Let's get started by creating another plugin folder called wpwa-xml-rpc-api with the main file called class-wpwa-xml-rpc-api.php.

Let's look at the initial code to build the API server:

class WPWA_XML_RPC_API {
  public function __construct() {
    add_filter('xmlrpc_methods', array($this, 'xml_rpc_api'));
  }
  public function xml_rpc_api($methods) {
    $methods['wpwa.getDevelopers'] = array($this, 'developers_list');
    return $methods;
  }
}
new WPWA_XML_RPC_API();

First, we use the plugin constructor to add the WordPress filter called xmlrpc_methods...

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WordPress Web Application Development - Second Edition
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