Book Image

Yii Application Development Cookbook - Second Edition - Second Edition

Book Image

Yii Application Development Cookbook - Second Edition - Second Edition

Overview of this book

The Yii framework is a rapidly growing PHP5 MVC framework often referred to as Rails for PHP. It has already become a solid base for many exciting web applications such as Stay.com and can be a good base for your developments, too. This book will help you to learn Yii quickly and in more depth for use in for your developments."Yii Application Development Cookbook" will show you how to use Yii efficiently. You will learn about taking shortcuts using core features, creating your own reusable code base, using test driven development, and many more topics that will give you a lot of experience in a moderate amount of time.The second edition fixes all errata found in the first edition and also features new recipes on the client side, HTTP caching, and using Composer with Yii.The chapters of the book are generally independent and since this book's goal is to enhance a practical approach to Yii development, you can start reading from the chapter you need most, be it Ajax and jQuery, Database, Active Record, and Model Tricks, or Extending Yii."Yii Application Development Cookbook" will help you to learn more about the Yii framework and application development practices in general, showing shortcuts and dangerous things you shouldn't do.With all the recipes grouped in 13 chapters, you will write your applications more efficiently using shortcuts and using Yii core functionality in a good way. The most interesting topics are; Yii application deployment, a guide to writing your own extensions, advanced error handling, debugging and logging, application security, performance tuning, and much more."Yii Application Development Cookbook" will help you to learn more about the Yii framework and application development practices in general. You will write your applications more efficiently using shortcuts and using Yii core functionality in a good way.
Table of Contents (20 chapters)
Yii Application Development Cookbook Second Edition
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Creating model behaviors


There are many similar solutions in today's web applications. Leading products, such as Google's Gmail, are defining nice UI patterns. One of these is soft delete . Instead of a permanent deletion with tons of confirmations, Gmail allows the user to immediately mark messages as deleted and then easily undo it. The same behavior can be applied to any object, such as blog posts, comments, and so on.

Let's create a behavior that will allow marking models as deleted, restoring models, and selecting not yet deleted models, deleted models, and all models. In this recipe we'll follow a test-driven development approach to plan the behavior and test if the implementation is correct.

Getting ready

Carry out the following steps:

  1. Create a database and add a post table to your database:

    CREATE TABLE `post` (
      `id` int(11) NOT NULL auto_increment,
      `text` text,
      `title` varchar(255) default NULL,
      `is_deleted` tinyint(1) NOT NULL default '0',
      PRIMARY KEY  (`id`)
    )
  2. Configure Yii...