Class: Effective::DatatablesController

Inherits:
ApplicationController
  • Object
show all
Defined in:
app/controllers/effective/datatables_controller.rb

Instance Method Summary collapse

Instance Method Details

#download ⇒ Object 



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# File 'app/controllers/effective/datatables_controller.rb', line 27

def download
  @datatable = EffectiveDatatables.find(params[:id], params[:attributes])
  @datatable.view = view_context

  EffectiveDatatables.authorize!(self, :index, @datatable.collection_class)

  respond_to do |format|
    format.csv do
      headers.delete('Content-Length')

      headers['X-Accel-Buffering'] = 'no'
      headers['Cache-Control'] = 'no-cache'
      headers["Content-Type"] = @datatable.csv_content_type
      headers["Content-Disposition"] = %(attachment; filename="#{@datatable.csv_filename}")
      headers['Last-Modified'] = Time.zone.now.ctime.to_s

      self.response_body = @datatable.csv_stream
      response.status = 200
    end

    # format.csv do
    #   send_data(@datatable.csv_file, filename: @datatable.csv_filename, type: @datatable.csv_content_type, disposition: 'attachment')
    # end

    format.all do
      render(status: :unauthorized, body: 'Access Denied')
    end
  end
end

#reorder ⇒ Object 



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# File 'app/controllers/effective/datatables_controller.rb', line 57

def reorder
  begin
    @datatable = EffectiveDatatables.find(params[:id], params[:attributes])
    @datatable.view = view_context

    EffectiveDatatables.authorize!(self, :index, @datatable.collection_class)

    @resource = @datatable.collection.find(params[:reorder][:id])

    EffectiveDatatables.authorize!(self, :update, @resource)

    attribute = @datatable.columns[:_reorder][:reorder]
    old_index = params[:reorder][:old].to_i
    new_index = params[:reorder][:new].to_i

    @resource.class.transaction do
      if new_index > old_index
        @datatable.collection.where("#{attribute} > ? AND #{attribute} <= ?", old_index, new_index).update_all("#{attribute} = #{attribute} - 1")
        @resource.update_column(attribute, new_index)
        @resource.touch
      end

      if old_index > new_index
        @datatable.collection.where("#{attribute} >= ? AND #{attribute} < ?", new_index, old_index).update_all("#{attribute} = #{attribute} + 1")
        @resource.update_column(attribute, new_index)
        @resource.touch
      end
    end

    render status: :ok, body: :ok
  rescue Effective::AccessDenied => e
    render(status: :unauthorized, body: 'Access Denied')
  rescue Exception => e
    render(status: :error, body: 'Unexpected Error')
  end

end

#show ⇒ Object

This will respond to both a GET and a POST



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# File 'app/controllers/effective/datatables_controller.rb', line 10

def show
  begin
    @datatable = EffectiveDatatables.find(params[:id], params[:attributes])
    @datatable.view = view_context

    EffectiveDatatables.authorize!(self, :index, @datatable.collection_class)

    render json: @datatable.to_json
  rescue Exception => e
    EffectiveDatatables.authorized?(self, :index, @datatable.try(:collection_class))
    render json: error_json(e)

    ExceptionNotifier.notify_exception(e) if defined?(ExceptionNotifier)
    raise e if Rails.env.development?
  end
end