Module: LotusAdmin::FileStreamer

Extended by:
ActiveSupport::Concern
Included in:
AuthenticatedController
Defined in:
app/controllers/concerns/lotus_admin/file_streamer.rb

Instance Method Summary collapse

Instance Method Details

#index(&block) ⇒ Object

Usage

def index

super do |format|
  format.pdf { ... }
end

end

Will automatically stream CSV from configured exporter



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# File 'app/controllers/concerns/lotus_admin/file_streamer.rb', line 41

def index(&block)
  super do |format|
    if self.class._exporter_class.present?
      format.csv do
        if self.class._exporter_filename.present?
          filename = instance_exec(&self.class._exporter_filename)
        end

        filename = "#{ resource_class.model_name.human(count: 2) }-exports-#{ SecureRandom.uuid }" if filename.blank?

        stream_file filename.parameterize, 'csv' do |stream|
          self.class._exporter_class.stream(ransack_object.result, stream) # full query, not just paginated
        end
      end
    end

    block.call(format) if block.present?
  end
end