Module: CarrierWave::Backgrounder::ORM::DataMapper

Includes:
Base
Defined in:
lib/backgrounder/orm/data_mapper.rb

Instance Method Summary collapse

Instance Method Details

#process_in_background(column, worker = ::CarrierWave::Workers::ProcessAsset) ⇒ Object 



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# File 'lib/backgrounder/orm/data_mapper.rb', line 8

def process_in_background(column, worker=::CarrierWave::Workers::ProcessAsset)
  before :save, :"set_#{column}_processing"
  after  :save, :"enqueue_#{column}_background_job"

  class_eval  <<-RUBY, __FILE__, __LINE__ + 1
    attr_accessor :process_#{column}_upload
    attr_reader :#{column}_changed

    def set_#{column}_processing
      @#{column}_changed = attribute_dirty?(:#{column})
      self.#{column}_processing = true if respond_to?(:#{column}_processing) 
    end

    def enqueue_#{column}_background_job
      if trigger_#{column}_background_processing?
        CarrierWave::Backgrounder.enqueue_for_backend(#{worker}, self.class.name, id, #{column}.mounted_as)
        @#{column}_changed = false
      end
    end

    def trigger_#{column}_background_processing?
      process_#{column}_upload != true && #{column}_changed
    end

  RUBY
end

#store_in_background(column, worker = ::CarrierWave::Workers::StoreAsset) ⇒ Object 



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# File 'lib/backgrounder/orm/data_mapper.rb', line 35

def store_in_background(column, worker=::CarrierWave::Workers::StoreAsset)
  before :save, :"set_#{column}_changed"
  after :save, :"enqueue_#{column}_background_job"

  class_eval  <<-RUBY, __FILE__, __LINE__ + 1
    attr_accessor :process_#{column}_upload
    attr_reader :#{column}_changed

    def set_#{column}_changed
      @#{column}_changed = attribute_dirty?(:#{column})
    end

    def write_#{column}_identifier
      super() and return if process_#{column}_upload
      self.#{column}_tmp = _mounter(:#{column}).cache_name
    end

    def store_#{column}!
      super() if process_#{column}_upload
    end

    def enqueue_#{column}_background_job
      if trigger_#{column}_background_storage?
        CarrierWave::Backgrounder.enqueue_for_backend(#{worker}, self.class.name, id, #{column}.mounted_as)
        @#{column}_changed = false
      end
    end

    def trigger_#{column}_background_storage?
      process_#{column}_upload != true && #{column}_changed
    end

  RUBY
end