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   1  <?php
   2  /**
   3  *
   4  * This file is part of the phpBB Forum Software package.
   5  *
   6  * @copyright (c) phpBB Limited <https://www.phpbb.com>
   7  * @license GNU General Public License, version 2 (GPL-2.0)
   8  *
   9  * For full copyright and license information, please see
  10  * the docs/CREDITS.txt file.
  11  *
  12  */
  13  
  14  namespace phpbb\feed;
  15  
  16  use Symfony\Component\DependencyInjection\ContainerInterface;
  17  
  18  /**
  19  * Factory class to return correct object
  20  */
  21  class factory
  22  {
  23      /**
  24      * Service container object
  25      * @var ContainerInterface
  26      */
  27      protected $container;
  28  
  29      /** @var \phpbb\config\config */
  30      protected $config;
  31  
  32      /** @var \phpbb\db\driver\driver_interface */
  33      protected $db;
  34  
  35      /**
  36      * Constructor
  37      *
  38      * @param ContainerInterface                    $container    Container object
  39      * @param \phpbb\config\config                $config        Config object
  40      * @param \phpbb\db\driver\driver_interface    $db            Database connection
  41      */
  42  	public function __construct(ContainerInterface $container, \phpbb\config\config $config, \phpbb\db\driver\driver_interface $db)
  43      {
  44          $this->container = $container;
  45          $this->config = $config;
  46          $this->db = $db;
  47      }
  48  
  49      /**
  50      * Return correct object for specified mode
  51      *
  52      * @param string    $mode        The feeds mode.
  53      * @param int    $forum_id    Forum id specified by the script if forum feed provided.
  54      * @param int    $topic_id    Topic id specified by the script if topic feed provided.
  55      *
  56      * @return object    Returns correct feeds object for specified mode.
  57      */
  58  	function get_feed($mode, $forum_id, $topic_id)
  59      {
  60          switch ($mode)
  61          {
  62              case 'forums':
  63                  if (!$this->config['feed_overall_forums'])
  64                  {
  65                      return false;
  66                  }
  67  
  68                  return $this->container->get('feed.forums');
  69              break;
  70  
  71              case 'topics':
  72              case 'topics_new':
  73                  if (!$this->config['feed_topics_new'])
  74                  {
  75                      return false;
  76                  }
  77  
  78                  return $this->container->get('feed.topics');
  79              break;
  80  
  81              case 'topics_active':
  82                  if (!$this->config['feed_topics_active'])
  83                  {
  84                      return false;
  85                  }
  86  
  87                  return $this->container->get('feed.topics_active');
  88              break;
  89  
  90              case 'news':
  91                  // Get at least one news forum
  92                  $sql = 'SELECT forum_id
  93                      FROM ' . FORUMS_TABLE . '
  94                      WHERE ' . $this->db->sql_bit_and('forum_options', FORUM_OPTION_FEED_NEWS, '<> 0');
  95                  $result = $this->db->sql_query_limit($sql, 1, 0, 600);
  96                  $s_feed_news = (int) $this->db->sql_fetchfield('forum_id');
  97                  $this->db->sql_freeresult($result);
  98  
  99                  if (!$s_feed_news)
 100                  {
 101                      return false;
 102                  }
 103  
 104                  return $this->container->get('feed.news');
 105              break;
 106  
 107              default:
 108                  if ($topic_id && $this->config['feed_topic'])
 109                  {
 110                      return $this->container->get('feed.topic')
 111                                  ->set_topic_id($topic_id);
 112                  }
 113                  else if ($forum_id && $this->config['feed_forum'])
 114                  {
 115                      return $this->container->get('feed.forum')
 116                                  ->set_forum_id($forum_id);
 117                  }
 118                  else if ($this->config['feed_overall'])
 119                  {
 120                  return $this->container->get('feed.overall');
 121                  }
 122  
 123                  return false;
 124              break;
 125          }
 126      }
 127  }