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58 lines
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58 lines
2 KiB
Text
= Action Pack -- From request to response
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Action Pack is a framework for handling and responding to web requests. It
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provides mechanisms for *routing* (mapping request URLs to actions), defining
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*controllers* that implement actions, and generating responses by rendering
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*views*, which are templates of various formats. In short, Action Pack
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provides the view and controller layers in the MVC paradigm.
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It consists of several modules:
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* Action Dispatch, which parses information about the web request, handles
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routing as defined by the user, and does advanced processing related to HTTP
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such as MIME-type negotiation, decoding parameters in POST, PATCH, or PUT bodies,
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handling HTTP caching logic, cookies and sessions.
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* Action Controller, which provides a base controller class that can be
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subclassed to implement filters and actions to handle requests. The result
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of an action is typically content generated from views.
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With the Ruby on Rails framework, users only directly interface with the
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Action Controller module. Necessary Action Dispatch functionality is activated
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by default and Action View rendering is implicitly triggered by Action
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Controller. However, these modules are designed to function on their own and
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can be used outside of Rails.
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You can read more about Action Pack in the {Action Controller Overview}[https://guides.rubyonrails.org/action_controller_overview.html] guide.
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== Download and installation
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The latest version of Action Pack can be installed with RubyGems:
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$ gem install actionpack
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Source code can be downloaded as part of the Rails project on GitHub:
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* https://github.com/rails/rails/tree/master/actionpack
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== License
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Action Pack is released under the MIT license:
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* https://opensource.org/licenses/MIT
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== Support
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API documentation is at:
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* https://api.rubyonrails.org
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Bug reports for the Ruby on Rails project can be filed here:
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* https://github.com/rails/rails/issues
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Feature requests should be discussed on the rails-core mailing list here:
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* https://groups.google.com/forum/?fromgroups#!forum/rubyonrails-core
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