Module: Pagy::KeynavJsPaginator

Defined in:
lib/pagy/toolbox/paginators/keynav_js.rb

Class Method Summary collapse

Class Method Details

.paginate(set, options) ⇒ Object

Return the Pagy::Keyset::Keynav instance and paginated records. Fall back to :countless if the :page has no client data.



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# File 'lib/pagy/toolbox/paginators/keynav_js.rb', line 11

def paginate(set, options)
  page = options[:request].resolve_page(force_integer: false) # allow nil
  if page&.match(' ')       # countless page -> no augmentation -> fallback
    return CountlessPaginator.paginate(set, page:, **options)
  elsif page.is_a?(String)  # keynav page param
    page_arguments = JSON.parse(B64.urlsafe_decode(page))
    # Restart the pagination from page 1/nil if the url has been requested from another browser
    options[:page] = page_arguments if options[:request].cookie == page_arguments.shift
  end

  options[:limit] = options[:request].resolve_limit
  pagy = Keyset::Keynav.new(set, **options)
  [pagy, pagy.records]
end