Module: CarrierWave::Uploader::Versions::ClassMethods

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

Instance Method Summary collapse

Instance Method Details

#version(name, &block) ⇒ Object

Adds a new version to this uploader

Parameters

name (#to_sym)

name of the version

&block (Proc)

a block to eval on this version of the uploader



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# File 'lib/carrierwave/uploader/versions.rb', line 31

def version(name, &block)
  name = name.to_sym
  unless versions[name]
    versions[name] = Class.new(self)
    versions[name].version_names.push(*version_names)
    versions[name].version_names.push(name)
    class_eval <<-RUBY
      def #{name}
        versions[:#{name}]
      end
    RUBY
  end
  versions[name].class_eval(&block) if block
  versions[name]
end

#version_names ⇒ Object 



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# File 'lib/carrierwave/uploader/versions.rb', line 19

def version_names
  @version_names ||= []
end

#versions ⇒ Object

Returns

Hash=> Class

a list of versions available for this uploader



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# File 'lib/carrierwave/uploader/versions.rb', line 52

def versions
  @versions ||= {}
end