1 files changed, 136 insertions, 0 deletions
diff --git a/phpBB/phpbb/feed/topics_active.php b/phpBB/phpbb/feed/topics_active.php
new file mode 100644
index 0000000000..249dd1d66a
--- /dev/null
+++ b/phpBB/phpbb/feed/topics_active.php
@@ -0,0 +1,136 @@
+<?php
+/**
+*
+* @package phpBB3
+* @copyright (c) 2013 phpBB Group
+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+*
+*/
+
+/**
+* @ignore
+*/
+if (!defined('IN_PHPBB'))
+{
+	exit;
+}
+
+/**
+* Active Topics feed
+*
+* This will give you the last {$this->num_items} topics
+* with replies made withing the last {$this->sort_days} days
+* including the last post.
+*
+* @package phpBB3
+*/
+class phpbb_feed_topics_active extends phpbb_feed_topic_base
+{
+	var $sort_days = 7;
+
+	function set_keys()
+	{
+		parent::set_keys();
+
+		$this->set('author_id',	'topic_last_poster_id');
+		$this->set('creator',	'topic_last_poster_name');
+	}
+
+	function get_sql()
+	{
+		$forum_ids_read = $this->get_readable_forums();
+		if (empty($forum_ids_read))
+		{
+			return false;
+		}
+
+		$in_fid_ary = array_intersect($forum_ids_read, $this->get_forum_ids());
+		$in_fid_ary = array_diff($in_fid_ary, $this->get_passworded_forums());
+		if (empty($in_fid_ary))
+		{
+			return false;
+		}
+
+		// Search for topics in last X days
+		$last_post_time_sql = ($this->sort_days) ? ' AND topic_last_post_time > ' . (time() - ($this->sort_days * 24 * 3600)) : '';
+
+		// We really have to get the post ids first!
+		$sql = 'SELECT topic_last_post_id, topic_last_post_time
+			FROM ' . TOPICS_TABLE . '
+			WHERE ' . $this->db->sql_in_set('forum_id', $in_fid_ary) . '
+				AND topic_moved_id = 0
+				AND topic_visibility = ' . ITEM_APPROVED . '
+				' . $last_post_time_sql . '
+			ORDER BY topic_last_post_time DESC';
+		$result = $this->db->sql_query_limit($sql, $this->num_items);
+
+		$post_ids = array();
+		while ($row = $this->db->sql_fetchrow($result))
+		{
+			$post_ids[] = (int) $row['topic_last_post_id'];
+		}
+		$this->db->sql_freeresult($result);
+
+		if (empty($post_ids))
+		{
+			return false;
+		}
+
+		$this->sql = array(
+			'SELECT'	=> 'f.forum_id, f.forum_name,
+							t.topic_id, t.topic_title, t.topic_posts_approved, t.topic_posts_unapproved, t.topic_posts_softdeleted, t.topic_views,
+							t.topic_last_poster_id, t.topic_last_poster_name, t.topic_last_post_time,
+							p.post_id, p.post_time, p.post_edit_time, p.post_text, p.bbcode_bitfield, p.bbcode_uid, p.enable_bbcode, p.enable_smilies, p.enable_magic_url',
+			'FROM'		=> array(
+				TOPICS_TABLE	=> 't',
+				POSTS_TABLE		=> 'p',
+			),
+			'LEFT_JOIN'	=> array(
+				array(
+					'FROM'	=> array(FORUMS_TABLE => 'f'),
+					'ON'	=> 'p.forum_id = f.forum_id',
+				),
+			),
+			'WHERE'		=> 'p.topic_id = t.topic_id
+							AND ' . $this->db->sql_in_set('p.post_id', $post_ids),
+			'ORDER_BY'	=> 'p.post_time DESC',
+		);
+
+		return true;
+	}
+
+	function get_forum_ids()
+	{
+		static $forum_ids;
+
+		$cache_name	= 'feed_topic_active_forum_ids';
+
+		if (!isset($forum_ids) && ($forum_ids = $this->cache->get('_' . $cache_name)) === false)
+		{
+			$sql = 'SELECT forum_id
+				FROM ' . FORUMS_TABLE . '
+				WHERE forum_type = ' . FORUM_POST . '
+					AND ' . $this->db->sql_bit_and('forum_options', FORUM_OPTION_FEED_EXCLUDE, '= 0') . '
+					AND ' . $this->db->sql_bit_and('forum_flags', log(FORUM_FLAG_ACTIVE_TOPICS, 2), '<> 0');
+			$result = $this->db->sql_query($sql);
+
+			$forum_ids = array();
+			while ($forum_id = (int) $this->db->sql_fetchfield('forum_id'))
+			{
+				$forum_ids[$forum_id] = $forum_id;
+			}
+			$this->db->sql_freeresult($result);
+
+			$this->cache->put('_' . $cache_name, $forum_ids, 180);
+		}
+
+		return $forum_ids;
+	}
+
+	function adjust_item(&$item_row, &$row)
+	{
+		parent::adjust_item($item_row, $row);
+
+		$item_row['title'] = (isset($row['forum_name']) && $row['forum_name'] !== '') ? $row['forum_name'] . ' ' . $this->separator . ' ' . $item_row['title'] : $item_row['title'];
+	}
+}