47 lines
1.2 KiB
Ruby
47 lines
1.2 KiB
Ruby
module Zero
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# abstract class to make creation of controllers easier
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#
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# This abstract class creates an interface to make it easier to write
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# rack compatible controllers. It catches #call and creates a new instance
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# with the environment and calls #render on it.
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class Controller
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# initialize a new instance of the controller and call response on it
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def self.call(env)
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new(Zero::Request.new(env)).response
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end
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# set the renderer to use in the controller
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def self.renderer=(renderer)
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@@renderer = renderer
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end
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# get the renderer set in the controller
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def self.renderer
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@@renderer
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end
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# a small helper to get the actual renderer
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def renderer
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self.class.renderer
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end
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# initialize the controller
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# @param request [Request] a request object
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def initialize(request)
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@request = request
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@response = Zero::Response.new
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end
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# build the response and return it
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#
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# This method calls #process if it was defined so make it easier to process
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# the request before rendering stuff.
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# @return Response a rack conform response
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def response
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process if respond_to?(:process)
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render
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@response.to_a
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end
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end
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end
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