Class: Rack::RESTfulController

Inherits:
Object
  • Object
show all
Defined in:
lib/rack/restful-controller.rb

Defined Under Namespace

Modules: App

Constant Summary collapse

@@collection_methods = 
{}
@@member_methods = 
{:edit => :get}

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(app, options = {}) ⇒ RESTfulController

Returns a new instance of RESTfulController.



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# File 'lib/rack/restful-controller.rb', line 32

def initialize(app, options = {})
  @app = app
  @options = options

  if(options.include?(:collection))
    @@collection_methods.merge!(options[:collection])
  end

  if(options.include?(:member))
    @@member_methods.merge!(options[:member])
  end
end

Class Method Details

.as(klass) ⇒ Object 



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# File 'lib/rack/restful-controller.rb', line 26

def self.as(klass)
  a = klass.new
  a.extend(App)
  a
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/rack/restful-controller.rb', line 45

def call(env)
  req = Rack::Request.new(env)

  env['restful.params'] = {}

  if req.get? && req.path == '/'
    env['restful.action'] = :index
  elsif req.get? && (match = req.path.match(/^\/(.+?)(?:\/(.+))?$/))
    if(match[2] && @@member_methods[match[2].to_sym] == :get)
      env['restful.action'] = match[2].to_sym
      env['restful.params'] = {'id' => match[1]}
    elsif(match[2] && @@member_methods[match[2].to_sym] != :get)
    elsif(!match[2] && @@collection_methods[match[1].to_sym] == :get)
      env['restful.action'] = match[1].to_sym
    else
      env['restful.action'] = :show
      env['restful.params'] = {'id' => match[1]}
    end
  elsif req.post? && req.path == '/'
    env['restful.action'] = :create
  elsif (req.put? || mimic_put?(req)) && (match = req.path.match(/^\/(.+?)(?:\/(.+))?$/))
    if(match[2] && @@member_methods[match[2].to_sym] == :put)
      env['restful.action'] = match[2].to_sym
      env['restful.params'] = {'id' => match[1]}
    elsif(match[2] && @@member_methods[match[2].to_sym] != :put)
    else
      env['restful.action'] = :update
      env['restful.params'] = {'id' => match[1]}
    end
  elsif (req.delete? || mimic_delete?(req)) && (match = req.path.match(/^\/(.+)$/))
    env['restful.action'] = :destroy
    env['restful.params'] = {'id' => match[1]}
  end

  env['restful.params'].merge!('action' => env['restful.action'].to_s)
  
  @app.call(env)
end

#mimic_delete?(req) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rack/restful-controller.rb', line 88

def mimic_delete?(req)
  req.post? && req.params['_method'] == 'delete'
end

#mimic_put?(req) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rack/restful-controller.rb', line 84

def mimic_put?(req)
  req.post? && req.params['_method'] == 'put'
end