Class: ControllerBase

Inherits:
Object show all
Includes:
CSRF
Defined in:
lib/laris/controller.rb,
lib/laris/controller/controller_base.rb

Defined Under Namespace

Classes: DoubleRenderError

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from CSRF

#form_authenticity_token, #verify_authenticity

Constructor Details

#initialize(req, res, params = {}) ⇒ ControllerBase

Returns a new instance of ControllerBase.



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# File 'lib/laris/controller/controller_base.rb', line 10

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

  body = req.body.read
  if body =~ /^{.*}$/
    @params.merge!(JSON.parse(body))
  end
end

Instance Attribute Details

#params ⇒ Object (readonly)

Returns the value of attribute params.



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# File 'lib/laris/controller/controller_base.rb', line 8

def params
  @params
end

#req ⇒ Object (readonly)

Returns the value of attribute req.



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# File 'lib/laris/controller/controller_base.rb', line 8

def req
  @req
end

#res ⇒ Object (readonly)

Returns the value of attribute res.



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# File 'lib/laris/controller/controller_base.rb', line 8

def res
  @res
end

Instance Method Details

#already_built_response? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/laris/controller/controller_base.rb', line 21

def already_built_response?
  @already_built_response
end

#flash ⇒ Object 



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# File 'lib/laris/controller/controller_base.rb', line 67

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

#h(text) ⇒ Object 



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# File 'lib/laris/controller/controller_base.rb', line 25

def h(text)
  CGI::escapeHTML(text)
end

#invoke_action(name, method) ⇒ Object 



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# File 'lib/laris/controller/controller_base.rb', line 71

def invoke_action(name, method)
  unless method == :get || req.xhr?
    verify_authenticity
  end

  self.send(name)
  render(name) unless already_built_response?
end

#redirect_to(url) ⇒ Object

Raises:



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# File 'lib/laris/controller/controller_base.rb', line 29

def redirect_to(url)
  raise DoubleRenderError if already_built_response?

  res['Location'] = url
  res.status = 302
  store_cookies(res)

  @already_built_response = true
end

#render(template_name) ⇒ Object 



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# File 'lib/laris/controller/controller_base.rb', line 49

def render(template_name)
  path = File.join(
    Laris::ROOT,
    'app/views',
    controller_name.remove("_controller"),
    "#{template_name}.html.erb",
  )

  template = File.read(path)
  content = ERB.new(template).result(binding)

  render_content(content, "text/html")
end

#render_content(content, content_type) ⇒ Object

Raises:



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# File 'lib/laris/controller/controller_base.rb', line 39

def render_content(content, content_type)
  raise DoubleRenderError if already_built_response?

  res['Content-Type'] = content_type
  res.write(content)
  store_cookies(res)

  @already_built_response = true
end

#session ⇒ Object 



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# File 'lib/laris/controller/controller_base.rb', line 63

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