Class: TGauge::TControllerBase

Inherits:
Object
  • Object
show all
Defined in:
lib/app/controllers/tcontroller_base.rb

Constant Summary collapse

@@defender = 
false

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(req, res, route_params = {}) ⇒ TControllerBase

Setup the controller



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# File 'lib/app/controllers/tcontroller_base.rb', line 17

def initialize(req, res, route_params = {})
  @req = req
  @res = res
  @params = @req.params.merge(route_params)
end

Instance Attribute Details

#params ⇒ Object (readonly)

Returns the value of attribute params.



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# File 'lib/app/controllers/tcontroller_base.rb', line 15

def params
  @params
end

#req ⇒ Object (readonly)

Returns the value of attribute req.



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# File 'lib/app/controllers/tcontroller_base.rb', line 15

def req
  @req
end

#res ⇒ Object (readonly)

Returns the value of attribute res.



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# File 'lib/app/controllers/tcontroller_base.rb', line 15

def res
  @res
end

Class Method Details

.protect_from_forgery ⇒ Object 



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# File 'lib/app/controllers/tcontroller_base.rb', line 11

def self.protect_from_forgery
  @@defender = true
end

Instance Method Details

#already_built_response? ⇒ Boolean

Helper method to alias @already_built_response

Returns:

  • (Boolean) 


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# File 'lib/app/controllers/tcontroller_base.rb', line 24

def already_built_response?
  @rendered
end

#flash ⇒ Object 



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# File 'lib/app/controllers/tcontroller_base.rb', line 62

def flash
  @flash ||= Flash.new(@req)
end

#form_authenticity_token ⇒ Object 



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# File 'lib/app/controllers/tcontroller_base.rb', line 78

def form_authenticity_token
  flash[:_csurf_master_code] = SecureRandom.urlsafe_base64
end

#invoke_action(name) ⇒ Object

use this with the router to call action_name (:index, :show, :create…)



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# File 'lib/app/controllers/tcontroller_base.rb', line 67

def invoke_action(name)
  if @@defender && check_authenticity_token
    @res.write("ATTACK ATTACK!! RUN AND HIDE!")
    @res.status = 403
    @res['Content-Type'] = "text/html"
  else
    self.send(name)
    render(name) unless already_built_response?
  end
end

#redirect_to(url) ⇒ Object

Set the response status code and header



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# File 'lib/app/controllers/tcontroller_base.rb', line 29

def redirect_to(url)
  @rendered ? raise {'Cannote render twice'} : @rendered = true
  @res['Location'] = url
  @res.status = 302
  @session.store_session(res) if @session
end

#render(template_name) ⇒ Object

use ERB and binding to evaluate templates pass the rendered html to render_content



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# File 'lib/app/controllers/tcontroller_base.rb', line 49

def render(template_name)
  class_name = self.class.to_s.underscore
  class_name.slice! "_controller"
  view_path = "app/views/#{class_name}/#{template_name}.html.erb"
  erb = ERB.new(File.read(view_path)).result(binding)
  render_content(erb, 'text/html')
end

#render_content(content, content_type) ⇒ Object

Populate the response with content. Set the response’s content type to the given type. Raise an error if the developer tries to double render.



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# File 'lib/app/controllers/tcontroller_base.rb', line 39

def render_content(content, content_type)
  @rendered ? raise {'Cannote render twice'} : @rendered = true
  @res.write(content)
  @session.store_session(res) if @session
  @flash.store_flash(res) if @flash
  @res['Content-Type'] = content_type
end

#session ⇒ Object

method exposing a ‘Session` object



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# File 'lib/app/controllers/tcontroller_base.rb', line 58

def session
  @session ||= Session.new(@req)
end