Module: Paperclip::Dimension::ClassMethods

Defined in:
lib/paperclip-dimension.rb

Instance Method Summary collapse

Instance Method Details

#has_attached_file(name, options = {}) ⇒ Object

override has_attached_file to: 1). save dimensions on post process 2). create dimension accessors



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# File 'lib/paperclip-dimension.rb', line 13

def has_attached_file name, options={}
  super

  class_eval <<-END
    # for ActiveRecord
    serialize :#{name}_dimensions, Hash if respond_to?(:serialize)

    def #{name}_dimension(style=:original)
      self.#{name}_dimensions[style.to_s]
    end

    def #{name}_dimension_str(style=:original)
       dim = #{name}_dimension(style.to_s)
       dim ? dim.join('x') : nil
    end
  END

  send "after_#{name}_post_process", lambda { save_dimensions_for(name) }
end