Module: ActiveScaffold::Actions::Export

Defined in:
lib/active_scaffold/actions/export.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/active_scaffold/actions/export.rb', line 3

def self.included(base)
  base.before_action :export_authorized?, :only => [:export]
  base.before_action :show_export_authorized?, :only => [:show_export]
end

Instance Method Details

#export ⇒ Object

if invoked directly, will use default configuration



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# File 'lib/active_scaffold/actions/export.rb', line 22

def export
  export_config = active_scaffold_config.export
  if params[:export_columns].nil?
    export_columns = {}
    export_config.columns.each { |col| export_columns[col.to_sym] = 1 }
    options = {
      :export_columns => export_columns,
      :full_download => export_config.default_full_download.to_s,
      :delimiter => export_config.default_delimiter,
      :skip_header => export_config.default_skip_header.to_s
    }
    params.merge!(options)
  end

  set_includes_for_columns(:export)
  @export_config = export_config
  # Make sure active_scaffold's find_page is dealing with the same list of
  # columns. Prevents an invalid SQL query when exporting after filtering
  # with field_search against a relation column, and that relation column is
  # not included in the set of export columns.
  @list_columns = @export_columns

  # this is required if you want this to work with IE
  if request.env['HTTP_USER_AGENT'] =~ /msie/i
    response.headers['Pragma'] = "public"
    response.headers['Cache-Control'] = "no-cache, must-revalidate, post-check=0, pre-check=0"
    response.headers['Expires'] = "0"
  end
  response.headers['Content-Disposition'] = "attachment; filename=#{export_file_name}"

  respond_to_action(:export)
end

#show_export ⇒ Object

display the customization form or skip directly to export



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# File 'lib/active_scaffold/actions/export.rb', line 9

def show_export
  @export_config = active_scaffold_config.export
  respond_to do |wants|
    wants.html do
      render(:partial => 'show_export', :layout => true)
    end
    wants.js do
      render(:partial => 'show_export', :layout => false)
    end
  end
end