Home Object Oriented Design • Beginning Ruby on Rails E-Commerce: From Novice to - download pdf or read online

Beginning Ruby on Rails E-Commerce: From Novice to - download pdf or read online

By Jarkko Laine

Beginning Ruby on Rails E-Commerce: From amateur to Professional is the 1st publication of its style to lead you thru generating e-commerce functions with Rails, the stacked net framework taking the realm via typhoon. The ebook dives correct into the method of making a production-level net program utilizing agile methodologies and test-driven improvement mixed with Rails most sensible practices. you are going to reap the benefits of the newest crop of Rails plug-ins and helpers that may notably increase your programming time table. you will additionally create a true software step by step, plus the booklet is pushed through real-world instances throughout.

You will start by means of studying easy methods to set up Rails and speedy create a product catalog interfaced together with your selection of database applied sciences. Then you will find how you can construct smooth, Ajax-powered purchasing carts and upload valuable positive aspects like purchaser suggestions modules. subsequent you will how to combine your program with open resource applications just like the Ferret full-text seek engine, and the way to interface with back-end digital fee structures. you will additionally methods to make your program paintings perfectly with current creation structures utilizing internet prone, after which eventually set up and track your program for construction use.

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H('&<>') %> The view we are going to change is located in the app/views directory. This is the root directory for all views. Each view is stored in a subdirectory named after the controller. rb, the path to that controller’s views is app/views/about. O. Box 0000
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After saving the changes, go back to the browser and click the reload button. You should see the page shown in Figure 1-4. CHAPTER 1 ■ PROJECT SETUP AND PROOF OF CONCEPT Figure 1-4. The modified About page Creating the Layout George is a bit happier now, but he says that the page is not as nice looking as the current Emporium website, which he tells us was designed eight and a half years ago by his then tenyear-old nephew.

Tip You can start WEBrick and your application in different environments by using the environment parameter: script/server -e test. For example, the following will start your application’s test environment and WEBrick in daemon mode, listening on port 80: script/server -d -p 80 -e test CHAPTER 1 ■ PROJECT SETUP AND PROOF OF CONCEPT Figure 1-1. html file, which is located in the public directory under the application root. html. The error is thrown because there are no controller and action set up to handle the request.

Listing 1-2. org/1999/xhtml"> <%= @page_title || 'Emporium' %> <%= stylesheet_link_tag "style" %> <%= "


" if @page_title %> <%= yield %> CHAPTER 1 ■ PROJECT SETUP AND PROOF OF CONCEPT The layout contains four Ruby expressions that are all evaluated when the page is rendered. The first expression will allow us to set the page title by defining an instance variable in our controllers: <%= @page_title || 'Emporium' %> The default title, “Emporium,” is used if we don’t specify the @page_title variable in the controller.

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