Module: DirectWave::ActiveRecord

Includes:
Mounter
Defined in:
lib/directwave/orm/activerecord.rb

Instance Method Summary collapse

Methods included from Mounter

#uploaders

Instance Method Details

#mount_directwave(column, uploader = nil) ⇒ Object

See DirectWave::Mounter#mount_uploader for documentation

Added instance methods

Supposing a class has used mount_uploader to mount an uploader on a column named image, in that case the following methods will be added to the class:

#column_from_key

Returns the key of assigned file

#column_from_key=

Assign file from S3 key



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# File 'lib/directwave/orm/activerecord.rb', line 20

def mount_directwave(column, uploader=nil)
  super

  instance_eval <<-RUBY, __FILE__, __LINE__+1
  RUBY
  
  class_eval <<-RUBY, __FILE__, __LINE__+1
    attr_accessible :#{column}_from_key
    
    def #{column}_from_key
      send(:#{column}).store_key
    end

    def #{column}_from_key=(string)
      send(:#{column}).store_key = string
    end
  
    before_save do
      send(:#{column}).save
    end
    
    after_destroy do
      send(:#{column}).destroy
    end
  RUBY
end