diff options
Diffstat (limited to 'phpBB/includes/functions.php')
| -rw-r--r-- | phpBB/includes/functions.php | 216 |
1 files changed, 111 insertions, 105 deletions
diff --git a/phpBB/includes/functions.php b/phpBB/includes/functions.php index 289f7f084f..3aaa6fbcab 100644 --- a/phpBB/includes/functions.php +++ b/phpBB/includes/functions.php @@ -1645,6 +1645,117 @@ function get_complete_topic_tracking($forum_id, $topic_ids, $global_announce_lis } /** +* Get list of unread topics +* only for registered users and non-cookie tracking +* +* @param int $user_id User ID (or false for currect user) +* @param string $sql_extra Extra WHERE SQL statement +* +* @return array[int][int] Topic ids as keys, mark_time of topic as value +* @author rxu +*/ +function get_unread_topics_list($user_id = false, $sql_extra = '') +{ + global $config, $db, $user; + + if ($user_id === false) + { + $user_id = (int) $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[] = (int) $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 + ORDER BY t.topic_last_post_time DESC"; + $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']] = (int) $row['mark_time']; + } + else + { + $unread_topics_list[$row['topic_id']] = (int) $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 + ORDER BY t.topic_last_post_time DESC"; + $result = $db->sql_query($sql); + + while ($row = $db->sql_fetchrow($result)) + { + $unread_topics_list[$row['topic_id']] = (int) $row['mark_time']; + } + $db->sql_freeresult($result); + + // Refresh the full list of the tracked topics + unset($tracked_topics_list); + $tracked_topics_list = array_merge(array_keys($unread_topics_list), array_keys($read_topics_list)); + + // 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 > ' . (int) $user->data['user_lastmark'] . ' + AND ' . $db->sql_in_set('topic_id', $tracked_topics_list, true, true) . ' + AND ' . $db->sql_in_set('forum_id', $tracked_forums_list, true, true) . " + $sql_extra + ORDER BY topic_last_post_time DESC"; + $result = $db->sql_query_limit($sql, 1000); + + while ($row = $db->sql_fetchrow($result)) + { + $unread_topics_list[$row['topic_id']] = (int) $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; +} + +/** * Check for read forums and update topic tracking info accordingly * * @param int $forum_id the forum id to check @@ -4129,109 +4240,4 @@ function phpbb_user_session_handler() return; } -/* -* Get list of unread topics -* only for registered users and non-cookie tracking this function is used -*/ -function get_unread_topics_list($user_id = false, $sql_extra = '') -{ - global $config, $db, $user; - - if ($user_id === false) - { - $user_id = (int) $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[] = (int) $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 - ORDER BY t.topic_last_post_time DESC"; - $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']] = (int) $row['mark_time']; - } - else - { - $unread_topics_list[$row['topic_id']] = (int) $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 - ORDER BY t.topic_last_post_time DESC"; - $result = $db->sql_query($sql); - - while ($row = $db->sql_fetchrow($result)) - { - $unread_topics_list[$row['topic_id']] = (int) $row['mark_time']; - } - $db->sql_freeresult($result); - - // Refresh the full list of the tracked topics - unset($tracked_topics_list); - $tracked_topics_list = array_merge(array_keys($unread_topics_list), array_keys($read_topics_list)); - - // 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 > ' . (int) $user->data['user_lastmark'] . ' - AND ' . $db->sql_in_set('topic_id', $tracked_topics_list, true, true) . ' - AND ' . $db->sql_in_set('forum_id', $tracked_forums_list, true, true) . " - $sql_extra - ORDER BY topic_last_post_time DESC"; - $result = $db->sql_query_limit($sql, 1000); - - while ($row = $db->sql_fetchrow($result)) - { - $unread_topics_list[$row['topic_id']] = (int) $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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