StatsHandler.inc.php

<?php
 
import('lib.pkp.pages.stats.PKPStatsHandler');
 
class StatsHandler extends PKPStatsHandler {
   public function __construct() {
      parent::__construct();
      HookRegistry::register ('TemplateManager::display', array($this, 'addSectionFilters'));
   }
 
   public function addSectionFilters($hookName, $args) {
      $templateMgr = $args[0];
      $template = $args[1];
 
      if (!in_array($template, ['stats/publications.tpl', 'stats/editorial.tpl'])) {
         return;
    }
 
    $context = Application::get()->getRequest()->getContext();
    if (!$context) {
      return;
    }
 
    $seriesFilters = [];
    $result = \DAORegistry::getDAO('SeriesDAO')->getByContextId($context->getId());
    while ($series = $result->next()) {
      $seriesFilters[] = [
        'param' => 'seriesIds',
        'value' => $series->getId(),
        'title' => $series->getLocalizedTitle(),
      ];
    }
 
    if (empty($seriesFilters)) {
      return;
    }
 
      $filters = $templateMgr->getState('filters');
      if (is_null($filters)) {
         $filters = [];
      }
 
      $filters[] = [
         'heading' => __('series.series'),
         'filters' => $seriesFilters,
      ];
      $templateMgr->setState([
         'filters' => $filters
      ]);
   }
}