diff options
Diffstat (limited to 'phpBB/includes/functions.php')
| -rw-r--r-- | phpBB/includes/functions.php | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/phpBB/includes/functions.php b/phpBB/includes/functions.php index 84bbb964de..74f7e31bee 100644 --- a/phpBB/includes/functions.php +++ b/phpBB/includes/functions.php @@ -3896,6 +3896,7 @@ function page_header($page_title = '', $display_online_list = true) 'U_SEARCH_SELF' => append_sid("{$phpbb_root_path}search.$phpEx", 'search_id=egosearch'), 'U_SEARCH_NEW' => append_sid("{$phpbb_root_path}search.$phpEx", 'search_id=newposts'), 'U_SEARCH_UNANSWERED' => append_sid("{$phpbb_root_path}search.$phpEx", 'search_id=unanswered'), + 'U_SEARCH_UNREAD' => append_sid("{$phpbb_root_path}search.$phpEx", 'search_id=unreadposts'), 'U_SEARCH_ACTIVE_TOPICS'=> append_sid("{$phpbb_root_path}search.$phpEx", 'search_id=active_topics'), 'U_DELETE_COOKIES' => append_sid("{$phpbb_root_path}ucp.$phpEx", 'mode=delete_cookies'), 'U_TEAM' => ($user->data['user_id'] != ANONYMOUS && !$auth->acl_get('u_viewprofile')) ? '' : append_sid("{$phpbb_root_path}memberlist.$phpEx", 'mode=leaders'), @@ -4119,4 +4120,94 @@ function phpbb_user_session_handler() return; } +/* +* Get list of unread topics +* only for registered users and non-cookie tracking this function is used +*/ +function get_unread_topics_list($user_id = false, $sql_extra = '') +{ + global $config, $db, $user; + + if($user_id === false) + { + $user_id = $user->data['user_id']; + } + + $tracked_topics_list = $unread_topics_list = $read_topics_list = array(); + $tracked_forums_list = array(); + + if ($config['load_db_lastread'] && $user->data['is_registered']) + { + // List of the tracked forums (not ideal, hope the better way will be found) + // This list is to fetch later the forums user never read (fully) before + $sql = 'SELECT forum_id FROM ' . FORUMS_TRACK_TABLE . " + WHERE user_id = {$user_id}"; + $result = $db->sql_query($sql); + while($row = $db->sql_fetchrow($result)) + { + $tracked_forums_list[] = $row['forum_id']; + } + $db->sql_freeresult($result); + + // Get list of the unread topics - on topics tracking as the first step + $sql = 'SELECT t.topic_id, t.topic_last_post_time, tt.mark_time FROM ' . TOPICS_TABLE . ' t, ' . TOPICS_TRACK_TABLE . " tt + WHERE t.topic_id = tt.topic_id + AND t.topic_last_post_time >= tt.mark_time + AND tt.user_id = {$user_id} + $sql_extra"; + $result = $db->sql_query($sql); + while($row = $db->sql_fetchrow($result)) + { + if($row['topic_last_post_time'] == $row['mark_time']) + { + // Check if there're read topics for the forums having unread ones + $read_topics_list[$row['topic_id']] = $row['mark_time']; + } + else + { + $unread_topics_list[$row['topic_id']] = $row['mark_time']; + } + } + $db->sql_freeresult($result); + + // Get the full list of the tracked topics + $tracked_topics_list = array_merge(array_keys($unread_topics_list), array_keys($read_topics_list)); + + // Get list of the unread topics - on forums tracking as the second step + // We don't take in account topics tracked before + $sql = 'SELECT t.topic_id, ft.mark_time FROM ' . TOPICS_TABLE . ' t, ' . FORUMS_TRACK_TABLE . ' ft + WHERE t.forum_id = ft.forum_id + AND t.topic_last_post_time > ft.mark_time + AND ' . $db->sql_in_set('t.topic_id', $tracked_topics_list, true, true) . " + AND ft.user_id = {$user_id} + $sql_extra"; + $result = $db->sql_query($sql); + while($row = $db->sql_fetchrow($result)) + { + $unread_topics_list[$row['topic_id']] = $row['mark_time']; + } + $db->sql_freeresult($result); + + // And the last step - find unread topics were not found before (that can mean a user has never read some forums) + $sql = 'SELECT topic_id FROM ' . TOPICS_TABLE . " + WHERE topic_last_post_time > {$user->data['user_lastmark']} + AND " . $db->sql_in_set('topic_id', array_keys($unread_topics_list), true, true) . ' + AND ' . $db->sql_in_set('forum_id', $tracked_forums_list, true, true) . " + $sql_extra"; + $result = $db->sql_query_limit($sql, 1000); + while($row = $db->sql_fetchrow($result)) + { + $unread_topics_list[$row['topic_id']] = $user->data['user_lastmark']; + } + $db->sql_freeresult($result); + } + else if ($config['load_anon_lastread'] || $user->data['is_registered']) + { + // We do not implement unread topics list for cookie based tracking + // because it would require expensive database queries + } + + return $unread_topics_list; +} + ?>
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