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    <p>Checkout this page, it will give you some insights on directory structure for Rails 3+ projects:</p> <p><a href="http://edgeapi.rubyonrails.org/classes/Rails/Engine.html">http://edgeapi.rubyonrails.org/classes/Rails/Engine.html</a></p> <blockquote> <p>Since Rails 3.0, applications and engines have more flexible path configuration (as opposed to the previous hardcoded path configuration). This means that you are not required to place your controllers at app/controllers, but in any place which you find convenient.</p> </blockquote> <p>Don't be scared with the fact that it's about Engines, it states in the very beginning: every Rails App is an Engine.</p> <p>UPDATE: Never had an opportunity to do that myself, but according to that page and <a href="http://api.rubyonrails.org/classes/Rails/Application/Configuration.html#method-i-paths">this</a>, you should add the following thing into your <code>config/application.rb</code> within <code>class Application &lt; Rails::Application</code>:</p> <pre><code>config.paths["app/controllers"] &lt;&lt; "app/v1/controllers" config.paths["app/controllers"] &lt;&lt; "app/v2/controllers" config.paths["app/controllers"] &lt;&lt; "app/v3/controllers" config.paths["app/models"] &lt;&lt; "app/v1/models" config.paths["app/models"] &lt;&lt; "app/v2/models" config.paths["app/models"] &lt;&lt; "app/v3/models" config.paths["app/views"] &lt;&lt; "app/v1/views" config.paths["app/views"] &lt;&lt; "app/v2/views" config.paths["app/views"] &lt;&lt; "app/v3/views" </code></pre> <p>Check this project as an example: <a href="https://github.com/forker/multiversion">https://github.com/forker/multiversion</a></p>
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    1. POIs it possible to alter the folder structure in a Rails project?
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    1. COHey thanks for that. I'm not sure what exactly to change so the new arrangements are recognised by Rails. That page says: `The Application class adds a couple more paths to this set. And as in your Application, all folders under app are automatically added to the load path. If you have an app/observers folder for example, it will be added by default`. According to that description the new arrangement should be recognised but my app doesn't think so
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    2. COApparently it won't go deeper than one level from app directory. Try to configure as I've shown in update.
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    3. CO@Arman, any luck with this?
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