Module: CarrierWave::Uploader::Processing::ClassMethods

Defined in:
lib/carrierwave/uploader/processing.rb

Instance Method Summary collapse

Instance Method Details

#process(*args) ⇒ Object

Adds a processor callback which applies operations as a file is uploaded. The argument may be the name of any method of the uploader, expressed as a symbol, or a list of such methods, or a hash where the key is a method and the value is an array of arguments to call the method with

Parameters

args (*Symbol, Hash=> Array[])

Examples

class MyUploader < CarrierWave::Uploader::Base

  process :sepiatone, :vignette
  process :scale => [200, 200]

  def sepiatone
    ...
  end

  def vignette
    ...
  end

  def scale(height, width)
    ...
  end
end



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# File 'lib/carrierwave/uploader/processing.rb', line 56

def process(*args)
  args.each do |arg|
    if arg.is_a?(Hash)
      arg.each do |method, args|
        processors.push([method, args])
      end
    else
      processors.push([arg, []])
    end
  end
end

#processors ⇒ Object

Lists processor callbacks declared

Returns

Array[Array[Symbol, Array]]

a list of processor callbacks which have been declared for this uploader



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# File 'lib/carrierwave/uploader/processing.rb', line 22

def processors
  @processors ||= []
end