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   1  <?php
   2  
   3  /**
   4   * @package     Joomla.Plugin
   5   * @subpackage  Content.vote
   6   *
   7   * @copyright   (C) 2016 Open Source Matters, Inc. <https://www.joomla.org>
   8   * @license     GNU General Public License version 2 or later; see LICENSE.txt
   9   */
  10  
  11  defined('_JEXEC') or die;
  12  
  13  use Joomla\CMS\HTML\HTMLHelper;
  14  use Joomla\CMS\Language\Text;
  15  use Joomla\CMS\Uri\Uri;
  16  
  17  /** @var Joomla\CMS\WebAsset\WebAssetManager $wa */
  18  $wa = $this->app->getDocument()->getWebAssetManager();
  19  $wa->registerAndUseStyle('plg_content_vote', 'plg_content_vote/rating.css');
  20  
  21  /**
  22   * Layout variables
  23   * -----------------
  24   * @var   string   $context  The context of the content being passed to the plugin
  25   * @var   object   &$row     The article object
  26   * @var   object   &$params  The article params
  27   * @var   integer  $page     The 'page' number
  28   * @var   array    $parts    The context segments
  29   * @var   string   $path     Path to this file
  30   */
  31  
  32  if ($context === 'com_content.categories') {
  33      return;
  34  }
  35  
  36  // Get the icons
  37  $iconStar     = HTMLHelper::_('image', 'plg_content_vote/vote-star.svg', '', '', true, true);
  38  $iconHalfstar = HTMLHelper::_('image', 'plg_content_vote/vote-star-half.svg', '', '', true, true);
  39  
  40  // If you can't find the icons then skip it
  41  if ($iconStar === null || $iconHalfstar === null) {
  42      return;
  43  }
  44  
  45  // Get paths to icons
  46  $pathStar     = JPATH_ROOT . substr($iconStar, strlen(Uri::root(true)));
  47  $pathHalfstar = JPATH_ROOT . substr($iconHalfstar, strlen(Uri::root(true)));
  48  
  49  // Write inline '<svg>' elements
  50  $star     = file_exists($pathStar) ? file_get_contents($pathStar) : '';
  51  $halfstar = file_exists($pathHalfstar) ? file_get_contents($pathHalfstar) : '';
  52  
  53  // Get rating
  54  $rating = (float) $row->rating;
  55  $rcount = (int) $row->rating_count;
  56  
  57  // Round to 0.5
  58  $rating = round($rating / 0.5) * 0.5;
  59  
  60  // Determine number of stars
  61  $stars = $rating;
  62  $img   = '';
  63  
  64  for ($i = 0; $i < floor($stars); $i++) {
  65      $img .= '<li class="vote-star">' . $star . '</li>';
  66  }
  67  
  68  if (($stars - floor($stars)) >= 0.5) {
  69      $img .= '<li class="vote-star-empty">' . $star . '</li>';
  70      $img .= '<li class="vote-star-half">' . $halfstar . '</li>';
  71  
  72      ++$stars;
  73  }
  74  
  75  for ($i = $stars; $i < 5; $i++) {
  76      $img .= '<li class="vote-star-empty">' . $star . '</li>';
  77  }
  78  
  79  ?>
  80  <div class="content_rating" role="img" aria-label="<?php echo Text::sprintf('PLG_VOTE_STAR_RATING', $rating); ?>">
  81      <?php if ($rcount) : ?>
  82          <p class="visually-hidden" itemprop="aggregateRating" itemscope itemtype="https://schema.org/AggregateRating">
  83              <?php echo Text::sprintf('PLG_VOTE_USER_RATING', '<span itemprop="ratingValue">' . $rating . '</span>', '<span itemprop="bestRating">5</span>'); ?>
  84              <meta itemprop="ratingCount" content="<?php echo $rcount; ?>">
  85              <meta itemprop="worstRating" content="1">
  86          </p>
  87          <?php if ($this->params->get('show_total_votes', 0)) : ?>
  88              <?php echo Text::sprintf('PLG_VOTE_TOTAL_VOTES', $rcount); ?>
  89          <?php endif; ?>
  90      <?php endif; ?>
  91      <ul>
  92          <?php echo $img; ?>
  93      </ul>
  94  </div>