www.aleph1.co.uk Git - yaffs-website/blob - web/core/modules/comment/js/node-new-comments-link.js

   1 /**
   2 * DO NOT EDIT THIS FILE.
   3 * See the following change record for more information,
   4 * https://www.drupal.org/node/2815083
   5 * @preserve
   6 **/
   7
   8 (function ($, Drupal, drupalSettings) {
   9   Drupal.behaviors.nodeNewCommentsLink = {
  10     attach: function attach(context) {
  11       var nodeIDs = [];
  12       var $placeholders = $(context).find('[data-history-node-last-comment-timestamp]').once('history').filter(function () {
  13         var $placeholder = $(this);
  14         var lastCommentTimestamp = parseInt($placeholder.attr('data-history-node-last-comment-timestamp'), 10);
  15         var nodeID = $placeholder.closest('[data-history-node-id]').attr('data-history-node-id');
  16         if (Drupal.history.needsServerCheck(nodeID, lastCommentTimestamp)) {
  17           nodeIDs.push(nodeID);
  18
  19           hide($placeholder);
  20           return true;
  21         }
  22
  23         remove($placeholder);
  24         return false;
  25       });
  26
  27       if ($placeholders.length === 0) {
  28         return;
  29       }
  30
  31       Drupal.history.fetchTimestamps(nodeIDs, function () {
  32         processNodeNewCommentLinks($placeholders);
  33       });
  34     }
  35   };
  36
  37   function hide($placeholder) {
  38     return $placeholder.closest('.comment-new-comments').prev().addClass('last').end().hide();
  39   }
  40
  41   function remove($placeholder) {
  42     hide($placeholder).remove();
  43   }
  44
  45   function show($placeholder) {
  46     return $placeholder.closest('.comment-new-comments').prev().removeClass('last').end().show();
  47   }
  48
  49   function processNodeNewCommentLinks($placeholders) {
  50     var $placeholdersToUpdate = {};
  51     var fieldName = 'comment';
  52     var $placeholder = void 0;
  53     $placeholders.each(function (index, placeholder) {
  54       $placeholder = $(placeholder);
  55       var timestamp = parseInt($placeholder.attr('data-history-node-last-comment-timestamp'), 10);
  56       fieldName = $placeholder.attr('data-history-node-field-name');
  57       var nodeID = $placeholder.closest('[data-history-node-id]').attr('data-history-node-id');
  58       var lastViewTimestamp = Drupal.history.getLastRead(nodeID);
  59
  60       if (timestamp > lastViewTimestamp) {
  61         $placeholdersToUpdate[nodeID] = $placeholder;
  62       } else {
  63           remove($placeholder);
  64         }
  65     });
  66
  67     var nodeIDs = Object.keys($placeholdersToUpdate);
  68     if (nodeIDs.length === 0) {
  69       return;
  70     }
  71
  72     function render(results) {
  73       for (var nodeID in results) {
  74         if (results.hasOwnProperty(nodeID) && $placeholdersToUpdate.hasOwnProperty(nodeID)) {
  75           $placeholdersToUpdate[nodeID].attr('href', results[nodeID].first_new_comment_link).text(Drupal.formatPlural(results[nodeID].new_comment_count, '1 new comment', '@count new comments')).removeClass('hidden');
  76           show($placeholdersToUpdate[nodeID]);
  77         }
  78       }
  79     }
  80
  81     if (drupalSettings.comment && drupalSettings.comment.newCommentsLinks) {
  82       render(drupalSettings.comment.newCommentsLinks.node[fieldName]);
  83     } else {
  84       $.ajax({
  85         url: Drupal.url('comments/render_new_comments_node_links'),
  86         type: 'POST',
  87         data: { 'node_ids[]': nodeIDs, field_name: fieldName },
  88         dataType: 'json',
  89         success: render
  90       });
  91     }
  92   }
  93 })(jQuery, Drupal, drupalSettings);