Contents

class PageImage < Asset

  validate :no_attachement_errors

  has_attached_file :attachment,
    :styles => Proc.new{ |clip| clip.instance.attachment_sizes },
    :default_style => :medium
  
  def image_content?
    attachment_content_type.match(/\/(jpeg|png|gif|tiff|x-photoshop)/)
  end
  
  def attachment_sizes
    sizes = {}
    sizes.merge!(:mini => '48x48>', :small => '150x150>', :medium => '420x300>', :large => '900x650>') if image_content?
    sizes.merge!(:slide => '950x250#') if viewable.respond_to?(:root?) && viewable.root?
    sizes
  end
  
  def no_attachement_errors
    unless attachment.errors.empty?
      # uncomment this to get rid of the less-than-useful interrim messages
      errors.clear
      errors.add :attachment, "Paperclip returned errors for file '#{attachment_file_name}' - check ImageMagick installation or image source file."
      false
    end
  end
  
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
spree_essential_cms-0.1.2	app/models/page_image.rb