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Jarkko Laine's Beginning Ruby on Rails E-Commerce: From Novice to PDF

By Jarkko Laine

ISBN-10: 1590597362

ISBN-13: 9781590597361

Ruby on Rails is the most well liked new open resource expertise round. It deals builders the chance to create fully-featured internet functions in double-quick time. Rails and e-commerce are a fit made in heaven and starting Ruby on Rails E-Commerce is the 1st e-book to at once objective this marketplace. This e-book explains to readers, through real-life eventualities, find out how to use Rails to create each point of a web shop – from making a product catalog, to construction a procuring cart approach, throughout to including cool good points akin to buyer suggestions boards. additionally, the booklet explains the best way to interface with important third-party software program functions, similar to these supplied by way of on-line fee platforms. due to this breadth of concentration, starting Ruby on Rails E-Commerce is the ebook that every one Rails builders are crying out for.

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Rhtml” on the page. We explain to him that the page, or view as it is also called, was generated by Ruby on Rails, and that we can change it. He scribbles down something on a paper, which looks like a foreign mailing address, and gives it to us. A view is where you put the code for the presentation layer that generates, for example, HTML or XML. Views are written in a template language called Embedded Ruby (ERB), which allows you to write Ruby code directly in the view. Here is an example of a view written in ERB that prints out the text “This is embedded Ruby code” to the browser.

Rhtml. This is the default layout file and will be used by Rails without the need for manually specifying the layout. Modifying the Generated Controller The last thing we need to do to complete the proof of concept is to modify the controller and action. The controller is where the main logic of your application is located. Each controller has one or more actions that execute the business logic. The Ruby on Rails generate script already created a controller for us in app/controllers/. Change it as follows.

Nil? return "fancy_layout" else return "default" end end end Options 1 and 2 are self-explanatory. Option 2 uses a method that decides which layout to use based on some runtime information; in this case, it checks if the id parameter is null and uses the fancy_layout in that case. rhtml. This is the default layout file and will be used by Rails without the need for manually specifying the layout. Modifying the Generated Controller The last thing we need to do to complete the proof of concept is to modify the controller and action.

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Beginning Ruby on Rails E-Commerce: From Novice to Professional (Rails) by Jarkko Laine


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