Module: RailsBeforeRender

Defined in:
lib/rails_before_render.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/rails_before_render.rb', line 6

def self.included base
  def base.before_render_filter &block
    klass = self.to_s
    key   = Digest::MD5.hexdigest(caller[0])

    @@_before_render[klass]    ||= {}
    @@_before_render[klass][key] = block
  end
end

Instance Method Details

#render(*args) ⇒ Object 



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# File 'lib/rails_before_render.rb', line 18

def render *args
  if @_was_in_render
    return performed? ? nil : super(*args)
  else
    @_was_in_render = true
  end

  self.class.ancestors.each do |klass|
    filters = @@_before_render[klass.to_s] || next
    filters.values.each do |filter|
      # do not run if render or redirect is called
      instance_exec &filter unless performed?
    end
  end

  # call native render unless redirect or render or redirect happend
  super unless performed?
end