Backup of recommender switcher

tableau_recommended.js

/**
 * Swap recommender blocks for effectiveness testing.
 */

(function ($) {
  $(document).ready(function() {

    // Show at all? Consistent by user. (TEMPORARY)...
    var should_show = $.cookie('recommend');
    // Get value, allow employee override.
    if ($('body.internal').length > 0) {
      should_show = 1;
    }

    // If this user is a yes OR no choice has been made an random is yes.
    if (should_show == 1 || (should_show == null && Math.random() < 0.2)) {
      // Set cookie to yes.
      $.cookie('recommend', 1, { path : '/' });

      // Allow picking amoung several blocks.
      if (Drupal.settings.tableau_recommended.block_picker == 1) {
        // Define blocks.
        var $b1 = $('#block-views-recommended-similar-block-6');
        var $b2 = $('#block-views-recommended-similar-block');

        // Chose one.
        if ($b1.length && $b2.length) {
          // Avoiding faux dynamic variable names in JS.
          switch (Math.random() < 0.5) {
            case true:
              var $unchosen = $b1;
              var $chosen = $b2;
              break;
            case false:
              var $unchosen = $b2;
              var $chosen = $b1;
              break;
          }
          $unchosen.hide();
        }
      }
      else {
        // No choosing.
      }

    }
    else {
      // Most of the time just hide it all.
      $.cookie('recommend', 0, { path : '/' });
      // Hide it.
      $('#zone-content-below-wrapper').hide();
    }

  });


  /**
   * Add analytics to links within recommendations.
   * NOTE: Able to happen on AJAX returns.
   */
  Drupal.behaviors.tableau_recommended_analysis = {
    attach: function (context, settings) {

      // Prevent firing on Views context.
      if (context == document || (context instanceof jQuery && context.is('form'))) {
        var $blocks = $('#region-content-below [class*="block-views-recommended-similar-block"]:visible');

        $blocks.each(function() {
          var $el = $(this);
          $el.find('.content li a').each( function() {
            // Add query params if not already present (AJAX can cause duplication).
            if (typeof $(this).attr('href').split('src=recommended')[1] === 'undefined') {
              var glue = '?';
              if (typeof $(this).attr('href').split('?')[1] !== 'undefined') {
                glue = '&';
              }
              $(this).attr('href',
                $(this).attr('href') + glue + 'src=recommended&block=' + $el.attr('id')
              );
            }
          });
        });
      }

    }
  };

})(jQuery);