Class: ActionView::TemplateHandlers::Rails3View

Inherits:
TemplateHandler
  • Object
show all
Includes:
Compilable
Defined in:
lib/fleximage/rails3_view.rb

Defined Under Namespace

Classes: TemplateDidNotReturnImage

Instance Method Summary collapse

Instance Method Details

#compile(template) ⇒ Object 



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# File 'lib/fleximage/rails3_view.rb', line 8

def compile(template)
  <<-CODE
  @template_format = :flexi
  controller.response.content_type ||= Mime::JPG    
  result = #{template.source}
  requested_format = (params[:format] || :jpg).to_sym
  begin
    # Raise an error if object returned from template is not an image record
    unless result.class.include?(Fleximage::Model::InstanceMethods)
      raise TemplateDidNotReturnImage, ".flexi template was expected to return a model instance that acts_as_fleximage, but got an instance of instead."
    end
    # Figure out the proper format
    raise 'Image must be requested with an image type format.  jpg, gif and png only are supported.' unless [:jpg, :gif, :png].include?(requested_format)
    result.output_image(:format => requested_format)
  rescue Exception => e
    e
  end
  CODE
ensure
  GC.start
end