Sha256: 40f7476a0d0e3b2b1706bc29bad003e3e15fba274d40b39426019fc1bc1c72df

Contents?: true

Size: 940 Bytes

Versions: 20

Compression:

Stored size: 940 Bytes

Contents

require 'csv'

module ActiveAdmin
  class ResourceController < BaseController

    # This module overrides CSV responses to allow large data downloads.
    # Could be expanded to JSON and XML in the future.
    #
    module Streaming

      def index
        super do |format|
          format.csv { stream_csv }
          yield(format) if block_given?
        end
      end

      protected

      def stream_resource(&block)
        headers['X-Accel-Buffering'] = 'no'
        headers['Cache-Control'] = 'no-cache'
        self.response_body = Enumerator.new &block
      end

      def csv_filename
        "#{resource_collection_name.to_s.gsub('_', '-')}-#{Time.zone.now.to_date.to_s(:default)}.csv"
      end

      def stream_csv
        headers['Content-Disposition'] = %{attachment; filename="#{csv_filename}"}
        stream_resource &active_admin_config.csv_builder.method(:build).to_proc.curry[self]
      end

    end
  end
end

Version data entries

20 entries across 20 versions & 3 rubygems

Version Path
activeadmin_addons-1.1.2 vendor/bundle/ruby/2.3.0/bundler/gems/activeadmin-a5a53c3f2b8f/lib/active_admin/resource_controller/streaming.rb
activeadmin_addons-1.1.1 vendor/bundle/ruby/2.2.0/bundler/gems/activeadmin-a5a53c3f2b8f/lib/active_admin/resource_controller/streaming.rb
yousty-activeadmin-1.0.17.pre lib/active_admin/resource_controller/streaming.rb
yousty-activeadmin-1.0.16.pre lib/active_admin/resource_controller/streaming.rb
activeadmin_addons-1.1.0 vendor/bundle/ruby/2.2.0/bundler/gems/activeadmin-a5a53c3f2b8f/lib/active_admin/resource_controller/streaming.rb
activeadmin_addons-1.0.1 vendor/bundle/ruby/2.2.0/bundler/gems/activeadmin-a5a53c3f2b8f/lib/active_admin/resource_controller/streaming.rb
activeadmin_addons-1.0.0 vendor/bundle/ruby/2.2.0/bundler/gems/activeadmin-a5a53c3f2b8f/lib/active_admin/resource_controller/streaming.rb
yousty-activeadmin-1.0.15.pre lib/active_admin/resource_controller/streaming.rb
yousty-activeadmin-1.0.14.pre lib/active_admin/resource_controller/streaming.rb
yousty-activeadmin-1.0.13.pre lib/active_admin/resource_controller/streaming.rb
yousty-activeadmin-1.0.12.pre lib/active_admin/resource_controller/streaming.rb
yousty-activeadmin-1.0.11.pre lib/active_admin/resource_controller/streaming.rb
yousty-activeadmin-1.0.10.pre lib/active_admin/resource_controller/streaming.rb
yousty-activeadmin-1.0.9.pre lib/active_admin/resource_controller/streaming.rb
yousty-activeadmin-1.0.8.pre lib/active_admin/resource_controller/streaming.rb
activeadmin-1.0.0.pre2 lib/active_admin/resource_controller/streaming.rb
activeadmin-1.0.0.pre1 lib/active_admin/resource_controller/streaming.rb
yousty-activeadmin-1.0.7.pre lib/active_admin/resource_controller/streaming.rb
yousty-activeadmin-1.0.6.pre lib/active_admin/resource_controller/streaming.rb
yousty-activeadmin-1.0.5.pre lib/active_admin/resource_controller/streaming.rb