forgeplus/app/views/admins/kaminari/_page.html.erb

<%# Link showing page number
  - available local variables
    page:          a page object for "this" page
    url:           url to this page
    current_page:  a page object for the currently displayed page
    total_pages:   total number of pages
    per_page:      number of items to fetch per page
    remote:        data-remote
-%>
<li class="page-item page<%= ' current active' if page.current? %>">
  <% if page.current? %>
    <%= link_to url, {remote: remote, rel: page.rel, class: 'page-link'} do %>
      <%= page %>
      <span class="sr-only">(current)</span>
    <% end %>
  <% else %>
    <%= link_to page, url, {remote: remote, rel: page.rel, class: 'page-link'} %>
  <% end %>
</li>