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Code Issues Releases Wiki Activity

More unread posts search adjustment.

Browse Source 
Authorised by: AcydBurn

git-svn-id: file:///svn/phpbb/branches/phpBB-3_0_0@10045 89ea8834-ac86-4346-8a33-228a782c2dd0
This commit is contained in:
Ruslan Uzdenov 2009-08-23 11:12:22 +00:00
parent 1731e5f623
commit fffb25ace4
1 changed files with 61 additions and 53 deletions
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114
phpBB/includes/functions.php
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@ -1649,11 +1649,12 @@ function get_complete_topic_tracking($forum_id, $topic_ids, $global_announce_lis
*
* @param int $user_id User ID (or false for current user)
* @param string $sql_extra Extra WHERE SQL statement
* @param string $sql_limit Limits the size of unread topics list
*
* @return array[int][int] Topic ids as keys, mark_time of topic as value
* @author rxu
*/
function get_unread_topics_list($user_id = false, $sql_extra = '')
function get_unread_topics_list($user_id = false, $sql_extra = '', $sql_limit = 1001)
{
global $config, $db, $user;
@ -1667,32 +1668,18 @@ function get_unread_topics_list($user_id = false, $sql_extra = '')
if ($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);
$result = $db->sql_query_limit($sql, $sql_limit);
while ($row = $db->sql_fetchrow($result))
{
if ($row['topic_last_post_time'] == $row['mark_time'])
if ($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) $row['mark_time'];
@ -1704,46 +1691,67 @@ function get_unread_topics_list($user_id = false, $sql_extra = '')
}
$db->sql_freeresult($result);
// Get the full list of the tracked topics
// Get the full list of the tracked topics and unread topics count
$tracked_topics_list = array_merge(array_keys($unread_topics_list), array_keys($read_topics_list));
$unread_list_count = sizeof($unread_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))
if ($unread_list_count < $sql_limit)
{
$unread_topics_list[$row['topic_id']] = (int) $row['mark_time'];
// 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 = $db->sql_query_limit($sql, ($sql_limit - $unread_list_count));
while ($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 and unread topics count
unset($tracked_topics_list);
$tracked_topics_list = array_merge(array_keys($unread_topics_list), array_keys($read_topics_list));
$unread_list_count = sizeof($unread_topics_list);
if ($unread_list_count < $sql_limit)
{
// 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);
// And the last step - find unread topics were not found before (that can mean a user has never read some forums)
$sql = 'SELECT t.topic_id
FROM ' . TOPICS_TABLE . ' t
WHERE t.topic_last_post_time > ' . (int) $user->data['user_lastmark'] . '
AND ' . $db->sql_in_set('t.topic_id', $tracked_topics_list, true, true) . '
AND ' . $db->sql_in_set('t.forum_id', $tracked_forums_list, true, true) . "
$sql_extra
ORDER BY t.topic_last_post_time DESC";
$result = $db->sql_query_limit($sql, ($sql_limit - $unread_list_count));
while ($row = $db->sql_fetchrow($result))
{
$unread_topics_list[$row['topic_id']] = (int) $user->data['user_lastmark'];
}
$db->sql_freeresult($result);
}
}
$db->sql_freeresult($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 t.topic_id
FROM ' . TOPICS_TABLE . ' t
WHERE t.topic_last_post_time > ' . (int) $user->data['user_lastmark'] . '
AND ' . $db->sql_in_set('t.topic_id', $tracked_topics_list, true, true) . '
AND ' . $db->sql_in_set('t.forum_id', $tracked_forums_list, true, true) . "
$sql_extra
ORDER BY t.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'])
{