How to choose everything from multiple pages of fireplaces

I am using Kaminari for swap in my rails application. I need to select everything for elements on the current page or on every page. The current page is a pretty basic set of how I can select all the elements on other pages.

file_items_controller.rb

def index
    account = Account.includes(:credentials).find params[:account_id]
    @page = page_param.to_i
    @tab = 'Files'
    @sort_by = sort_by
    @credential = if params[:credential_id].blank?
                    account.credentials.first || nil
                  else
                    account.credentials.find(params[:credential_id])
                  end
    return unless  @credential
    file_items = FileItem.file_item_list(@credential.root_folder, sort_by)
    @total_count = file_items.count
    @max_per_page = file_items.count <= 15 ? 'all' : max_per_page.to_i
    file_items_scope = Kaminari.paginate_array(file_items.select(&:file?), total_count: file_items.count).page(page_param)
    @file_items = if max_per_page == 'all'
                    file_items_scope.per(file_items.count) || []
                  else
                    file_items_scope.per(max_per_page) || []
                  end
  end

      

        
        
        
      

    

file_items.js

  $('a.select-all-current').click(function(e){
    e.preventDefault();
    $('input:not(:checked)').each(function(_, element){
      $(element).click();
    });
  });

  $('a.select-all-files').click(function(e){
    e.preventDefault();
    $('a.select-all-current').click();
  });

      

        
        
        
      

    

index.html.slim

...
.row
    ul.file-list
    - @file_items.each do |file_item|
      li.row.file-item
        .col-lg-9
          p.label
            = "#{file_item[:path]}/#{file_item[:name]}"
          p.file-size
            = "#{number_to_human_size(file_item[:size]).downcase} | "
        .col-lg-1.pull-right
          = check_box_tag  "file_id_#{file_item[:id]}", file_item[:id], false, class: 'file-box'
...