phpBB

Code Changes

File: viewforum.php

  Unmodified   Added   Modified   Removed
Line 1Line 1
<?php
/**
*
* This file is part of the phpBB Forum Software package.
*
* @copyright (c) phpBB Limited <https://www.phpbb.com>
* @license GNU General Public License, version 2 (GPL-2.0)
*
* For full copyright and license information, please see
* the docs/CREDITS.txt file.
*
*/

/**
* @ignore
*/
define('IN_PHPBB', true);
$phpbb_root_path = (defined('PHPBB_ROOT_PATH')) ? PHPBB_ROOT_PATH : './';
$phpEx = substr(strrchr(__FILE__, '.'), 1);
include($phpbb_root_path . 'common.' . $phpEx);
include($phpbb_root_path . 'includes/functions_display.' . $phpEx);

// Start session
$user->session_begin();
$auth->acl($user->data);

// Start initial var setup
$forum_id = request_var('f', 0);
$mark_read = request_var('mark', '');
$start = request_var('start', 0);

$default_sort_days = (!empty($user->data['user_topic_show_days'])) ? $user->data['user_topic_show_days'] : 0;
$default_sort_key = (!empty($user->data['user_topic_sortby_type'])) ? $user->data['user_topic_sortby_type'] : 't';
$default_sort_dir = (!empty($user->data['user_topic_sortby_dir'])) ? $user->data['user_topic_sortby_dir'] : 'd';

$sort_days = request_var('st', $default_sort_days);
$sort_key = request_var('sk', $default_sort_key);
$sort_dir = request_var('sd', $default_sort_dir);

$pagination = $phpbb_container->get('pagination');

// Check if the user has actually sent a forum ID with his/her request
// If not give them a nice error page.
if (!$forum_id)
{
trigger_error('NO_FORUM');
}

$sql_from = FORUMS_TABLE . ' f';
$lastread_select = '';

// Grab appropriate forum data
if ($config['load_db_lastread'] && $user->data['is_registered'])
{
$sql_from .= ' LEFT JOIN ' . FORUMS_TRACK_TABLE . ' ft ON (ft.user_id = ' . $user->data['user_id'] . '
AND ft.forum_id = f.forum_id)';
$lastread_select .= ', ft.mark_time';
}

if ($user->data['is_registered'])
{
$sql_from .= ' LEFT JOIN ' . FORUMS_WATCH_TABLE . ' fw ON (fw.forum_id = f.forum_id AND fw.user_id = ' . $user->data['user_id'] . ')';
$lastread_select .= ', fw.notify_status';
}

$sql = "SELECT f.* $lastread_select
FROM $sql_from
WHERE f.forum_id = $forum_id";
$result = $db->sql_query($sql);
$forum_data = $db->sql_fetchrow($result);
$db->sql_freeresult($result);

if (!$forum_data)
{
trigger_error('NO_FORUM');
}


// Configure style, language, etc.
$user->setup('viewforum', $forum_data['forum_style']);

// Redirect to login upon emailed notification links
if (isset($_GET['e']) && !$user->data['is_registered'])
{
login_box('', $user->lang['LOGIN_NOTIFY_FORUM']);
}

// Permissions check
if (!$auth->acl_gets('f_list', 'f_read', $forum_id) || ($forum_data['forum_type'] == FORUM_LINK && $forum_data['forum_link'] && !$auth->acl_get('f_read', $forum_id)))
{
if ($user->data['user_id'] != ANONYMOUS)
{
trigger_error('SORRY_AUTH_READ');
}

login_box('', $user->lang['LOGIN_VIEWFORUM']);
}

// Forum is passworded ... check whether access has been granted to this
// user this session, if not show login box
if ($forum_data['forum_password'])
{
login_forum_box($forum_data);
}

// Is this forum a link? ... User got here either because the
// number of clicks is being tracked or they guessed the id
if ($forum_data['forum_type'] == FORUM_LINK && $forum_data['forum_link'])
{
// Does it have click tracking enabled?
if ($forum_data['forum_flags'] & FORUM_FLAG_LINK_TRACK)
{
$sql = 'UPDATE ' . FORUMS_TABLE . '
SET forum_posts_approved = forum_posts_approved + 1
WHERE forum_id = ' . $forum_id;
$db->sql_query($sql);
}

// We redirect to the url. The third parameter indicates that external redirects are allowed.
redirect($forum_data['forum_link'], false, true);
return;
}

// Build navigation links
generate_forum_nav($forum_data);

// Forum Rules
if ($auth->acl_get('f_read', $forum_id))
{
generate_forum_rules($forum_data);
}

// Do we have subforums?
$active_forum_ary = $moderators = array();

if ($forum_data['left_id'] != $forum_data['right_id'] - 1)
{
list($active_forum_ary, $moderators) = display_forums($forum_data, $config['load_moderators'], $config['load_moderators']);
}
else
{
$template->assign_var('S_HAS_SUBFORUM', false);
if ($config['load_moderators'])
{
get_moderators($moderators, $forum_id);
}
}

$phpbb_content_visibility = $phpbb_container->get('content.visibility');

// Dump out the page header and load viewforum template
$topics_count = $phpbb_content_visibility->get_count('forum_topics', $forum_data, $forum_id);
$start = $pagination->validate_start($start, $config['topics_per_page'], $topics_count);

page_header($forum_data['forum_name'] . ($start ? ' - ' . $user->lang('PAGE_TITLE_NUMBER', $pagination->get_on_page($config['topics_per_page'], $start)) : ''), true, $forum_id);

$template->set_filenames(array(
'body' => 'viewforum_body.html')
);

make_jumpbox(append_sid("{$phpbb_root_path}viewforum.$phpEx"), $forum_id);

$template->assign_vars(array(
'U_VIEW_FORUM' => append_sid("{$phpbb_root_path}viewforum.$phpEx", "f=$forum_id" . (($start == 0) ? '' : "&amp;start=$start")),
));

// Not postable forum or showing active topics?
if (!($forum_data['forum_type'] == FORUM_POST || (($forum_data['forum_flags'] & FORUM_FLAG_ACTIVE_TOPICS) && $forum_data['forum_type'] == FORUM_CAT)))
{
page_footer();
}

// Ok, if someone has only list-access, we only display the forum list.
// We also make this circumstance available to the template in case we want to display a notice. ;)
if (!$auth->acl_get('f_read', $forum_id))
{
$template->assign_vars(array(
'S_NO_READ_ACCESS' => true,
));

page_footer();
}

// Handle marking posts
if ($mark_read == 'topics')
{
$token = request_var('hash', '');
if (check_link_hash($token, 'global'))
{
markread('topics', array($forum_id), false, request_var('mark_time', 0));
}
$redirect_url = append_sid("{$phpbb_root_path}viewforum.$phpEx", 'f=' . $forum_id);
meta_refresh(3, $redirect_url);

if ($request->is_ajax())
{
// Tell the ajax script what language vars and URL need to be replaced
$data = array(
'NO_UNREAD_POSTS' => $user->lang['NO_UNREAD_POSTS'],
'UNREAD_POSTS' => $user->lang['UNREAD_POSTS'],
'U_MARK_TOPICS' => ($user->data['is_registered'] || $config['load_anon_lastread']) ? append_sid("{$phpbb_root_path}viewforum.$phpEx", 'hash=' . generate_link_hash('global') . "&f=$forum_id&mark=topics&mark_time=" . time()) : '',
'MESSAGE_TITLE' => $user->lang['INFORMATION'],
'MESSAGE_TEXT' => $user->lang['TOPICS_MARKED']
);
$json_response = new \phpbb\json_response();
$json_response->send($data);
}

trigger_error($user->lang['TOPICS_MARKED'] . '<br /><br />' . sprintf($user->lang['RETURN_FORUM'], '<a href="' . $redirect_url . '">', '</a>'));
}

// Is a forum specific topic count required?
if ($forum_data['forum_topics_per_page'])
{
$config['topics_per_page'] = $forum_data['forum_topics_per_page'];
}

// Do the forum Prune thang - cron type job ...
if (!$config['use_system_cron'])
{
$cron = $phpbb_container->get('cron.manager');

$task = $cron->find_task('cron.task.core.prune_forum');
$task->set_forum_data($forum_data);

if ($task->is_ready())
{
$url = $task->get_url();
$template->assign_var('RUN_CRON_TASK', '<img src="' . $url . '" width="1" height="1" alt="cron" />');
}
else
{
// See if we should prune the shadow topics instead
$task = $cron->find_task('cron.task.core.prune_shadow_topics');
$task->set_forum_data($forum_data);

if ($task->is_ready())
{
$url = $task->get_url();
$template->assign_var('RUN_CRON_TASK', '<img src="' . $url . '" width="1" height="1" alt="cron" />');
}
}
}

// Forum rules and subscription info
$s_watching_forum = array(
'link' => '',
'link_toggle' => '',
'title' => '',
'title_toggle' => '',
'is_watching' => false,
);

if ($config['allow_forum_notify'] && $forum_data['forum_type'] == FORUM_POST && ($auth->acl_get('f_subscribe', $forum_id) || $user->data['user_id'] == ANONYMOUS))
{
$notify_status = (isset($forum_data['notify_status'])) ? $forum_data['notify_status'] : NULL;
watch_topic_forum('forum', $s_watching_forum, $user->data['user_id'], $forum_id, 0, $notify_status, $start, $forum_data['forum_name']);
}

$s_forum_rules = '';
gen_forum_auth_level('forum', $forum_id, $forum_data['forum_status']);

// Topic ordering options
$limit_days = array(0 => $user->lang['ALL_TOPICS'], 1 => $user->lang['1_DAY'], 7 => $user->lang['7_DAYS'], 14 => $user->lang['2_WEEKS'], 30 => $user->lang['1_MONTH'], 90 => $user->lang['3_MONTHS'], 180 => $user->lang['6_MONTHS'], 365 => $user->lang['1_YEAR']);

$sort_by_text = array('a' => $user->lang['AUTHOR'], 't' => $user->lang['POST_TIME'], 'r' => $user->lang['REPLIES'], 's' => $user->lang['SUBJECT'], 'v' => $user->lang['VIEWS']);
$sort_by_sql = array('a' => 't.topic_first_poster_name', 't' => array('t.topic_last_post_time', 't.topic_last_post_id'), 'r' => (($auth->acl_get('m_approve', $forum_id)) ? 't.topic_posts_approved + t.topic_posts_unapproved + t.topic_posts_softdeleted' : 't.topic_posts_approved'), 's' => 't.topic_title', 'v' => 't.topic_views');

$s_limit_days = $s_sort_key = $s_sort_dir = $u_sort_param = '';
gen_sort_selects($limit_days, $sort_by_text, $sort_days, $sort_key, $sort_dir, $s_limit_days, $s_sort_key, $s_sort_dir, $u_sort_param, $default_sort_days, $default_sort_key, $default_sort_dir);

// Limit topics to certain time frame, obtain correct topic count
if ($sort_days)
{
$min_post_time = time() - ($sort_days * 86400);

$sql = 'SELECT COUNT(topic_id) AS num_topics
FROM ' . TOPICS_TABLE . "
WHERE forum_id = $forum_id
AND (topic_last_post_time >= $min_post_time
OR topic_type = " . POST_ANNOUNCE . '
OR topic_type = ' . POST_GLOBAL . ')
AND ' . $phpbb_content_visibility->get_visibility_sql('topic', $forum_id);
$result = $db->sql_query($sql);
$topics_count = (int) $db->sql_fetchfield('num_topics');
$db->sql_freeresult($result);

if (isset($_POST['sort']))
{
$start = 0;
}
$sql_limit_time = "AND t.topic_last_post_time >= $min_post_time";

// Make sure we have information about day selection ready
$template->assign_var('S_SORT_DAYS', true);
}
else
{
$sql_limit_time = '';
}

// Basic pagewide vars
$post_alt = ($forum_data['forum_status'] == ITEM_LOCKED) ? $user->lang['FORUM_LOCKED'] : $user->lang['POST_NEW_TOPIC'];

// Display active topics?
$s_display_active = ($forum_data['forum_type'] == FORUM_CAT && ($forum_data['forum_flags'] & FORUM_FLAG_ACTIVE_TOPICS)) ? true : false;

$s_search_hidden_fields = array('fid' => array($forum_id));
if ($_SID)
{
$s_search_hidden_fields['sid'] = $_SID;
}

if (!empty($_EXTRA_URL))
{
foreach ($_EXTRA_URL as $url_param)
{
$url_param = explode('=', $url_param, 2);
$s_search_hidden_fields[$url_param[0]] = $url_param[1];
}
}

$template->assign_vars(array(
'MODERATORS' => (!empty($moderators[$forum_id])) ? implode($user->lang['COMMA_SEPARATOR'], $moderators[$forum_id]) : '',

'POST_IMG' => ($forum_data['forum_status'] == ITEM_LOCKED) ? $user->img('button_topic_locked', $post_alt) : $user->img('button_topic_new', $post_alt),
'NEWEST_POST_IMG' => $user->img('icon_topic_newest', 'VIEW_NEWEST_POST'),
'LAST_POST_IMG' => $user->img('icon_topic_latest', 'VIEW_LATEST_POST'),
'FOLDER_IMG' => $user->img('topic_read', 'NO_UNREAD_POSTS'),
'FOLDER_UNREAD_IMG' => $user->img('topic_unread', 'UNREAD_POSTS'),
'FOLDER_HOT_IMG' => $user->img('topic_read_hot', 'NO_UNREAD_POSTS_HOT'),
'FOLDER_HOT_UNREAD_IMG' => $user->img('topic_unread_hot', 'UNREAD_POSTS_HOT'),
'FOLDER_LOCKED_IMG' => $user->img('topic_read_locked', 'NO_UNREAD_POSTS_LOCKED'),
'FOLDER_LOCKED_UNREAD_IMG' => $user->img('topic_unread_locked', 'UNREAD_POSTS_LOCKED'),
'FOLDER_STICKY_IMG' => $user->img('sticky_read', 'POST_STICKY'),
'FOLDER_STICKY_UNREAD_IMG' => $user->img('sticky_unread', 'POST_STICKY'),
'FOLDER_ANNOUNCE_IMG' => $user->img('announce_read', 'POST_ANNOUNCEMENT'),
'FOLDER_ANNOUNCE_UNREAD_IMG'=> $user->img('announce_unread', 'POST_ANNOUNCEMENT'),
'FOLDER_MOVED_IMG' => $user->img('topic_moved', 'TOPIC_MOVED'),
'REPORTED_IMG' => $user->img('icon_topic_reported', 'TOPIC_REPORTED'),
'UNAPPROVED_IMG' => $user->img('icon_topic_unapproved', 'TOPIC_UNAPPROVED'),
'DELETED_IMG' => $user->img('icon_topic_deleted', 'TOPIC_DELETED'),
'POLL_IMG' => $user->img('icon_topic_poll', 'TOPIC_POLL'),
'GOTO_PAGE_IMG' => $user->img('icon_post_target', 'GOTO_PAGE'),

'L_NO_TOPICS' => ($forum_data['forum_status'] == ITEM_LOCKED) ? $user->lang['POST_FORUM_LOCKED'] : $user->lang['NO_TOPICS'],

'S_DISPLAY_POST_INFO' => ($forum_data['forum_type'] == FORUM_POST && ($auth->acl_get('f_post', $forum_id) || $user->data['user_id'] == ANONYMOUS)) ? true : false,

'S_IS_POSTABLE' => ($forum_data['forum_type'] == FORUM_POST) ? true : false,
'S_USER_CAN_POST' => ($auth->acl_get('f_post', $forum_id)) ? true : false,
'S_DISPLAY_ACTIVE' => $s_display_active,
'S_SELECT_SORT_DIR' => $s_sort_dir,
'S_SELECT_SORT_KEY' => $s_sort_key,
'S_SELECT_SORT_DAYS' => $s_limit_days,
'S_TOPIC_ICONS' => ($s_display_active && sizeof($active_forum_ary)) ? max($active_forum_ary['enable_icons']) : (($forum_data['enable_icons']) ? true : false),
'U_WATCH_FORUM_LINK' => $s_watching_forum['link'],
'U_WATCH_FORUM_TOGGLE' => $s_watching_forum['link_toggle'],
'S_WATCH_FORUM_TITLE' => $s_watching_forum['title'],
'S_WATCH_FORUM_TOGGLE' => $s_watching_forum['title_toggle'],
'S_WATCHING_FORUM' => $s_watching_forum['is_watching'],
'S_FORUM_ACTION' => append_sid("{$phpbb_root_path}viewforum.$phpEx", "f=$forum_id" . (($start == 0) ? '' : "&amp;start=$start")),
'S_DISPLAY_SEARCHBOX' => ($auth->acl_get('u_search') && $auth->acl_get('f_search', $forum_id) && $config['load_search']) ? true : false,
'S_SEARCHBOX_ACTION' => append_sid("{$phpbb_root_path}search.$phpEx"),
'S_SEARCH_LOCAL_HIDDEN_FIELDS' => build_hidden_fields($s_search_hidden_fields),
'S_SINGLE_MODERATOR' => (!empty($moderators[$forum_id]) && sizeof($moderators[$forum_id]) > 1) ? false : true,
'S_IS_LOCKED' => ($forum_data['forum_status'] == ITEM_LOCKED) ? true : false,
'S_VIEWFORUM' => true,

'U_MCP' => ($auth->acl_get('m_', $forum_id)) ? append_sid("{$phpbb_root_path}mcp.$phpEx", "f=$forum_id&amp;i=main&amp;mode=forum_view", true, $user->session_id) : '',
'U_POST_NEW_TOPIC' => ($auth->acl_get('f_post', $forum_id) || $user->data['user_id'] == ANONYMOUS) ? append_sid("{$phpbb_root_path}posting.$phpEx", 'mode=post&amp;f=' . $forum_id) : '',
'U_VIEW_FORUM' => append_sid("{$phpbb_root_path}viewforum.$phpEx", "f=$forum_id" . ((strlen($u_sort_param)) ? "&amp;$u_sort_param" : '') . (($start == 0) ? '' : "&amp;start=$start")),
'U_CANONICAL' => generate_board_url() . '/' . append_sid("viewforum.$phpEx", "f=$forum_id" . ((strlen($u_sort_param)) ? "&amp;$u_sort_param" : '') . (($start) ? "&amp;start=$start" : ''), true, ''),
'U_MARK_TOPICS' => ($user->data['is_registered'] || $config['load_anon_lastread']) ? append_sid("{$phpbb_root_path}viewforum.$phpEx", 'hash=' . generate_link_hash('global') . "&amp;f=$forum_id&amp;mark=topics&amp;mark_time=" . time()) : '',
));

// Grab icons
$icons = $cache->obtain_icons();

// Grab all topic data
$rowset = $announcement_list = $topic_list = $global_announce_forums = array();

$sql_array = array(
'SELECT' => 't.*',
'FROM' => array(
TOPICS_TABLE => 't'
),
'LEFT_JOIN' => array(),
);

/**
* Event to modify the SQL query before the topic data is retrieved
*
* @event core.viewforum_get_topic_data
* @var array forum_data Array with forum data
* @var array sql_array The SQL array to get the data of all topics
* @since 3.1.0-a1
* @change 3.1.0-RC4 Added forum_data var
*/
$vars = array(
'forum_data',
'sql_array',
);
extract($phpbb_dispatcher->trigger_event('core.viewforum_get_topic_data', compact($vars)));

$sql_approved = ' AND ' . $phpbb_content_visibility->get_visibility_sql('topic', $forum_id, 't.');

if ($user->data['is_registered'])
{
if ($config['load_db_track'])
{
$sql_array['LEFT_JOIN'][] = array('FROM' => array(TOPICS_POSTED_TABLE => 'tp'), 'ON' => 'tp.topic_id = t.topic_id AND tp.user_id = ' . $user->data['user_id']);
$sql_array['SELECT'] .= ', tp.topic_posted';
}

if ($config['load_db_lastread'])
{
$sql_array['LEFT_JOIN'][] = array('FROM' => array(TOPICS_TRACK_TABLE => 'tt'), 'ON' => 'tt.topic_id = t.topic_id AND tt.user_id = ' . $user->data['user_id']);
$sql_array['SELECT'] .= ', tt.mark_time';

if ($s_display_active && sizeof($active_forum_ary))
{
$sql_array['LEFT_JOIN'][] = array('FROM' => array(FORUMS_TRACK_TABLE => 'ft'), 'ON' => 'ft.forum_id = t.forum_id AND ft.user_id = ' . $user->data['user_id']);
$sql_array['SELECT'] .= ', ft.mark_time AS forum_mark_time';
}
}
}

if ($forum_data['forum_type'] == FORUM_POST)
{
// Get global announcement forums
$g_forum_ary = $auth->acl_getf('f_read', true);
$g_forum_ary = array_unique(array_keys($g_forum_ary));

$sql_anounce_array['LEFT_JOIN'] = $sql_array['LEFT_JOIN'];
$sql_anounce_array['LEFT_JOIN'][] = array('FROM' => array(FORUMS_TABLE => 'f'), 'ON' => 'f.forum_id = t.forum_id');
$sql_anounce_array['SELECT'] = $sql_array['SELECT'] . ', f.forum_name';

// Obtain announcements ... removed sort ordering, sort by time in all cases
$sql_ary = array(
'SELECT' => $sql_anounce_array['SELECT'],
'FROM' => $sql_array['FROM'],
'LEFT_JOIN' => $sql_anounce_array['LEFT_JOIN'],

'WHERE' => '(t.forum_id = ' . $forum_id . '
AND t.topic_type = ' . POST_ANNOUNCE . ') OR
(' . $db->sql_in_set('t.forum_id', $g_forum_ary) . '
AND t.topic_type = ' . POST_GLOBAL . ')',

'ORDER_BY' => 't.topic_time DESC',
);
$sql = $db->sql_build_query('SELECT', $sql_ary);
$result = $db->sql_query($sql);

while ($row = $db->sql_fetchrow($result))
{
if ($row['topic_visibility'] != ITEM_APPROVED && !$auth->acl_get('m_approve', $row['forum_id']))
{
// Do not display announcements that are waiting for approval or soft deleted.
continue;
}

$rowset[$row['topic_id']] = $row;
$announcement_list[] = $row['topic_id'];

if ($forum_id != $row['forum_id'])
{
$topics_count++;
$global_announce_forums[] = $row['forum_id'];
}
}
$db->sql_freeresult($result);
}

$forum_tracking_info = array();

if ($user->data['is_registered'] && $config['load_db_lastread'])
{
$forum_tracking_info[$forum_id] = $forum_data['mark_time'];

if (!empty($global_announce_forums))
{
$sql = 'SELECT forum_id, mark_time
FROM ' . FORUMS_TRACK_TABLE . '
WHERE ' . $db->sql_in_set('forum_id', $global_announce_forums) . '
AND user_id = ' . $user->data['user_id'];
$result = $db->sql_query($sql);

while ($row = $db->sql_fetchrow($result))
{
$forum_tracking_info[$row['forum_id']] = $row['mark_time'];
}
$db->sql_freeresult($result);
}
}

// If the user is trying to reach late pages, start searching from the end
$store_reverse = false;
$sql_limit = $config['topics_per_page'];
if ($start > $topics_count / 2)
{
$store_reverse = true;

// Select the sort order
$direction = (($sort_dir == 'd') ? 'ASC' : 'DESC');

$sql_limit = $pagination->reverse_limit($start, $sql_limit, $topics_count);
$sql_start = $pagination->reverse_start($start, $sql_limit, $topics_count);
}
else
{
// Select the sort order
$direction = (($sort_dir == 'd') ? 'DESC' : 'ASC');
$sql_start = $start;
}

if (is_array($sort_by_sql[$sort_key]))
{
$sql_sort_order = implode(' ' . $direction . ', ', $sort_by_sql[$sort_key]) . ' ' . $direction;
}
else
{
$sql_sort_order = $sort_by_sql[$sort_key] . ' ' . $direction;
}

if ($forum_data['forum_type'] == FORUM_POST || !sizeof($active_forum_ary))
{
$sql_where = 't.forum_id = ' . $forum_id;
}
else if (empty($active_forum_ary['exclude_forum_id']))
{
$sql_where = $db->sql_in_set('t.forum_id', $active_forum_ary['forum_id']);
}
else
{
$get_forum_ids = array_diff($active_forum_ary['forum_id'], $active_forum_ary['exclude_forum_id']);
$sql_where = (sizeof($get_forum_ids)) ? $db->sql_in_set('t.forum_id', $get_forum_ids) : 't.forum_id = ' . $forum_id;
}

// Grab just the sorted topic ids
$sql_ary = array(
'SELECT' => 't.topic_id',
'FROM' => array(
TOPICS_TABLE => 't',
),
'WHERE' => "$sql_where
AND t.topic_type IN (" . POST_NORMAL . ', ' . POST_STICKY . ")
$sql_approved
$sql_limit_time",
'ORDER_BY' => 't.topic_type ' . ((!$store_reverse) ? 'DESC' : 'ASC') . ', ' . $sql_sort_order,
);

/**
* Event to modify the SQL query before the topic ids data is retrieved
*
* @event core.viewforum_get_topic_ids_data
* @var array sql_ary SQL query array to get the topic ids data
* @var string sql_approved Topic visibility SQL string
* @var int sql_limit Number of records to select
* @var string sql_limit_time SQL string to limit topic_last_post_time data
* @var array sql_sort_order SQL sorting string
* @var int sql_start Offset point to start selection from
* @var string sql_where SQL WHERE clause string
* @var bool store_reverse Flag indicating if we select from the late pages
*
* @since 3.1.0-RC4
*/
$vars = array(
'sql_ary',
'sql_approved',
'sql_limit',
'sql_limit_time',
'sql_sort_order',
'sql_start',
'sql_where',
'store_reverse',
);
extract($phpbb_dispatcher->trigger_event('core.viewforum_get_topic_ids_data', compact($vars)));

$sql = $db->sql_build_query('SELECT', $sql_ary);
$result = $db->sql_query_limit($sql, $sql_limit, $sql_start);

while ($row = $db->sql_fetchrow($result))
{
$topic_list[] = (int) $row['topic_id'];
}
$db->sql_freeresult($result);

// For storing shadow topics
$shadow_topic_list = array();

if (sizeof($topic_list))
{
// SQL array for obtaining topics/stickies
$sql_array = array(
'SELECT' => $sql_array['SELECT'],
'FROM' => $sql_array['FROM'],
'LEFT_JOIN' => $sql_array['LEFT_JOIN'],

'WHERE' => $db->sql_in_set('t.topic_id', $topic_list),
);

// If store_reverse, then first obtain topics, then stickies, else the other way around...
// Funnily enough you typically save one query if going from the last page to the middle (store_reverse) because
// the number of stickies are not known
$sql = $db->sql_build_query('SELECT', $sql_array);
$result = $db->sql_query($sql);

while ($row = $db->sql_fetchrow($result))
{
if ($row['topic_status'] == ITEM_MOVED)
{
$shadow_topic_list[$row['topic_moved_id']] = $row['topic_id'];
}

$rowset[$row['topic_id']] = $row;
}
$db->sql_freeresult($result);
}

// If we have some shadow topics, update the rowset to reflect their topic information
if (sizeof($shadow_topic_list))
{
// SQL array for obtaining shadow topics
$sql_array = array(
'SELECT' => 't.*',
'FROM' => array(
TOPICS_TABLE => 't'
),
'WHERE' => $db->sql_in_set('t.topic_id', array_keys($shadow_topic_list)),
);

/**
* Event to modify the SQL query before the shadowtopic data is retrieved
*
* @event core.viewforum_get_shadowtopic_data
* @var array sql_array SQL array to get the data of any shadowtopics
* @since 3.1.0-a1
*/
$vars = array('sql_array');
extract($phpbb_dispatcher->trigger_event('core.viewforum_get_shadowtopic_data', compact($vars)));

$sql = $db->sql_build_query('SELECT', $sql_array);
$result = $db->sql_query($sql);

while ($row = $db->sql_fetchrow($result))
{
$orig_topic_id = $shadow_topic_list[$row['topic_id']];

// If the shadow topic is already listed within the rowset (happens for active topics for example), then do not include it...
if (isset($rowset[$row['topic_id']]))
{
// We need to remove any trace regarding this topic. :)
unset($rowset[$orig_topic_id]);
unset($topic_list[array_search($orig_topic_id, $topic_list)]);
$topics_count--;

continue;
}

// Do not include those topics the user has no permission to access
if (!$auth->acl_get('f_read', $row['forum_id']))
{
// We need to remove any trace regarding this topic. :)
unset($rowset[$orig_topic_id]);
unset($topic_list[array_search($orig_topic_id, $topic_list)]);
$topics_count--;

continue;
}

// We want to retain some values
$row = array_merge($row, array(
'topic_moved_id' => $rowset[$orig_topic_id]['topic_moved_id'],
'topic_status' => $rowset[$orig_topic_id]['topic_status'],
'topic_type' => $rowset[$orig_topic_id]['topic_type'],
'topic_title' => $rowset[$orig_topic_id]['topic_title'],
));

// Shadow topics are never reported
$row['topic_reported'] = 0;

$rowset[$orig_topic_id] = $row;
}
$db->sql_freeresult($result);
}
unset($shadow_topic_list);

// Ok, adjust topics count for active topics list
if ($s_display_active)
{
$topics_count = 1;
}

// We need to remove the global announcements from the forums total topic count,
// otherwise the number is different from the one on the forum list
$total_topic_count = $topics_count - sizeof($global_announce_forums);

$base_url = append_sid("{$phpbb_root_path}viewforum.$phpEx", "f=$forum_id" . ((strlen($u_sort_param)) ? "&amp;$u_sort_param" : ''));
$pagination->generate_template_pagination($base_url, 'pagination', 'start', $topics_count, $config['topics_per_page'], $start);

$template->assign_vars(array(
'TOTAL_TOPICS' => ($s_display_active) ? false : $user->lang('VIEW_FORUM_TOPICS', (int) $total_topic_count),
));

$topic_list = ($store_reverse) ? array_merge($announcement_list, array_reverse($topic_list)) : array_merge($announcement_list, $topic_list);
$topic_tracking_info = $tracking_topics = array();

/**
* Modify topics data before we display the viewforum page
*
* @event core.viewforum_modify_topics_data
* @var array topic_list Array with current viewforum page topic ids
* @var array rowset Array with topics data (in topic_id => topic_data format)
* @var int total_topic_count Forum's total topic count
* @since 3.1.0-b3
*/
$vars = array('topic_list', 'rowset', 'total_topic_count');
extract($phpbb_dispatcher->trigger_event('core.viewforum_modify_topics_data', compact($vars)));

// Okay, lets dump out the page ...
if (sizeof($topic_list))
{
$mark_forum_read = true;
$mark_time_forum = 0;

// Generate topic forum list...
$topic_forum_list = array();
foreach ($rowset as $t_id => $row)
{
if (isset($forum_tracking_info[$row['forum_id']]))
{
$row['forum_mark_time'] = $forum_tracking_info[$row['forum_id']];
}

$topic_forum_list[$row['forum_id']]['forum_mark_time'] = ($config['load_db_lastread'] && $user->data['is_registered'] && isset($row['forum_mark_time'])) ? $row['forum_mark_time'] : 0;
$topic_forum_list[$row['forum_id']]['topics'][] = (int) $t_id;
}

if ($config['load_db_lastread'] && $user->data['is_registered'])
{
foreach ($topic_forum_list as $f_id => $topic_row)
{
$topic_tracking_info += get_topic_tracking($f_id, $topic_row['topics'], $rowset, array($f_id => $topic_row['forum_mark_time']));
}
}
else if ($config['load_anon_lastread'] || $user->data['is_registered'])
{
foreach ($topic_forum_list as $f_id => $topic_row)
{
$topic_tracking_info += get_complete_topic_tracking($f_id, $topic_row['topics']);
}
}

unset($topic_forum_list);

if (!$s_display_active)
{
if ($config['load_db_lastread'] && $user->data['is_registered'])
{
$mark_time_forum = (!empty($forum_data['mark_time'])) ? $forum_data['mark_time'] : $user->data['user_lastmark'];
}
else if ($config['load_anon_lastread'] || $user->data['is_registered'])
{
if (!$user->data['is_registered'])
{
$user->data['user_lastmark'] = (isset($tracking_topics['l'])) ? (int) (base_convert($tracking_topics['l'], 36, 10) + $config['board_startdate']) : 0;
}
$mark_time_forum = (isset($tracking_topics['f'][$forum_id])) ? (int) (base_convert($tracking_topics['f'][$forum_id], 36, 10) + $config['board_startdate']) : $user->data['user_lastmark'];
}
}

$s_type_switch = 0;
foreach ($topic_list as $topic_id)
{
$row = &$rowset[$topic_id];

$topic_forum_id = ($row['forum_id']) ? (int) $row['forum_id'] : $forum_id;

// This will allow the style designer to output a different header
// or even separate the list of announcements from sticky and normal topics
$s_type_switch_test = ($row['topic_type'] == POST_ANNOUNCE || $row['topic_type'] == POST_GLOBAL) ? 1 : 0;

// Replies
$replies = $phpbb_content_visibility->get_count('topic_posts', $row, $topic_forum_id) - 1;

if ($row['topic_status'] == ITEM_MOVED)
{
$topic_id = $row['topic_moved_id'];
$unread_topic = false;
}
else
{
$unread_topic = (isset($topic_tracking_info[$topic_id]) && $row['topic_last_post_time'] > $topic_tracking_info[$topic_id]) ? true : false;
}

// Get folder img, topic status/type related information
$folder_img = $folder_alt = $topic_type = '';
topic_status($row, $replies, $unread_topic, $folder_img, $folder_alt, $topic_type);

// Generate all the URIs ...
$view_topic_url_params = 'f=' . $row['forum_id'] . '&amp;t=' . $topic_id;
$view_topic_url = append_sid("{$phpbb_root_path}viewtopic.$phpEx", $view_topic_url_params);

$topic_unapproved = (($row['topic_visibility'] == ITEM_UNAPPROVED || $row['topic_visibility'] == ITEM_REAPPROVE) && $auth->acl_get('m_approve', $row['forum_id']));
$posts_unapproved = ($row['topic_visibility'] == ITEM_APPROVED && $row['topic_posts_unapproved'] && $auth->acl_get('m_approve', $row['forum_id']));
$topic_deleted = $row['topic_visibility'] == ITEM_DELETED;

$u_mcp_queue = ($topic_unapproved || $posts_unapproved) ? append_sid("{$phpbb_root_path}mcp.$phpEx", 'i=queue&amp;mode=' . (($topic_unapproved) ? 'approve_details' : 'unapproved_posts') . "&amp;t=$topic_id", true, $user->session_id) : '';
$u_mcp_queue = (!$u_mcp_queue && $topic_deleted) ? append_sid("{$phpbb_root_path}mcp.$phpEx", 'i=queue&amp;mode=deleted_topics&amp;t=' . $topic_id, true, $user->session_id) : $u_mcp_queue;

// Send vars to template
$topic_row = array(
'FORUM_ID' => $row['forum_id'],
'TOPIC_ID' => $topic_id,
'TOPIC_AUTHOR' => get_username_string('username', $row['topic_poster'], $row['topic_first_poster_name'], $row['topic_first_poster_colour']),
'TOPIC_AUTHOR_COLOUR' => get_username_string('colour', $row['topic_poster'], $row['topic_first_poster_name'], $row['topic_first_poster_colour']),
'TOPIC_AUTHOR_FULL' => get_username_string('full', $row['topic_poster'], $row['topic_first_poster_name'], $row['topic_first_poster_colour']),
'FIRST_POST_TIME' => $user->format_date($row['topic_time']),
'LAST_POST_SUBJECT' => censor_text($row['topic_last_post_subject']),
'LAST_POST_TIME' => $user->format_date($row['topic_last_post_time']),
'LAST_VIEW_TIME' => $user->format_date($row['topic_last_view_time']),
'LAST_POST_AUTHOR' => get_username_string('username', $row['topic_last_poster_id'], $row['topic_last_poster_name'], $row['topic_last_poster_colour']),
'LAST_POST_AUTHOR_COLOUR' => get_username_string('colour', $row['topic_last_poster_id'], $row['topic_last_poster_name'], $row['topic_last_poster_colour']),
'LAST_POST_AUTHOR_FULL' => get_username_string('full', $row['topic_last_poster_id'], $row['topic_last_poster_name'], $row['topic_last_poster_colour']),

'REPLIES' => $replies,
'VIEWS' => $row['topic_views'],
'TOPIC_TITLE' => censor_text($row['topic_title']),
'TOPIC_TYPE' => $topic_type,
'FORUM_NAME' => (isset($row['forum_name'])) ? $row['forum_name'] : $forum_data['forum_name'],

'TOPIC_IMG_STYLE' => $folder_img,
'TOPIC_FOLDER_IMG' => $user->img($folder_img, $folder_alt),
'TOPIC_FOLDER_IMG_ALT' => $user->lang[$folder_alt],

'TOPIC_ICON_IMG' => (!empty($icons[$row['icon_id']])) ? $icons[$row['icon_id']]['img'] : '',
'TOPIC_ICON_IMG_WIDTH' => (!empty($icons[$row['icon_id']])) ? $icons[$row['icon_id']]['width'] : '',
'TOPIC_ICON_IMG_HEIGHT' => (!empty($icons[$row['icon_id']])) ? $icons[$row['icon_id']]['height'] : '',
'ATTACH_ICON_IMG' => ($auth->acl_get('u_download') && $auth->acl_get('f_download', $row['forum_id']) && $row['topic_attachment']) ? $user->img('icon_topic_attach', $user->lang['TOTAL_ATTACHMENTS']) : '',
'UNAPPROVED_IMG' => ($topic_unapproved || $posts_unapproved) ? $user->img('icon_topic_unapproved', ($topic_unapproved) ? 'TOPIC_UNAPPROVED' : 'POSTS_UNAPPROVED') : '',

'S_TOPIC_TYPE' => $row['topic_type'],
'S_USER_POSTED' => (isset($row['topic_posted']) && $row['topic_posted']) ? true : false,
'S_UNREAD_TOPIC' => $unread_topic,
'S_TOPIC_REPORTED' => (!empty($row['topic_reported']) && $auth->acl_get('m_report', $row['forum_id'])) ? true : false,
'S_TOPIC_UNAPPROVED' => $topic_unapproved,
'S_POSTS_UNAPPROVED' => $posts_unapproved,
'S_TOPIC_DELETED' => $topic_deleted,
'S_HAS_POLL' => ($row['poll_start']) ? true : false,
'S_POST_ANNOUNCE' => ($row['topic_type'] == POST_ANNOUNCE) ? true : false,
'S_POST_GLOBAL' => ($row['topic_type'] == POST_GLOBAL) ? true : false,
'S_POST_STICKY' => ($row['topic_type'] == POST_STICKY) ? true : false,
'S_TOPIC_LOCKED' => ($row['topic_status'] == ITEM_LOCKED) ? true : false,
'S_TOPIC_MOVED' => ($row['topic_status'] == ITEM_MOVED) ? true : false,

'U_NEWEST_POST' => append_sid("{$phpbb_root_path}viewtopic.$phpEx", $view_topic_url_params . '&amp;view=unread') . '#unread',
'U_LAST_POST' => append_sid("{$phpbb_root_path}viewtopic.$phpEx", $view_topic_url_params . '&amp;p=' . $row['topic_last_post_id']) . '#p' . $row['topic_last_post_id'],
'U_LAST_POST_AUTHOR' => get_username_string('profile', $row['topic_last_poster_id'], $row['topic_last_poster_name'], $row['topic_last_poster_colour']),
'U_TOPIC_AUTHOR' => get_username_string('profile', $row['topic_poster'], $row['topic_first_poster_name'], $row['topic_first_poster_colour']),
'U_VIEW_TOPIC' => $view_topic_url,
'U_VIEW_FORUM' => append_sid("{$phpbb_root_path}viewforum.$phpEx", 'f=' . $row['forum_id']),
'U_MCP_REPORT' => append_sid("{$phpbb_root_path}mcp.$phpEx", 'i=reports&amp;mode=reports&amp;f=' . $row['forum_id'] . '&amp;t=' . $topic_id, true, $user->session_id),
'U_MCP_QUEUE' => $u_mcp_queue,

'S_TOPIC_TYPE_SWITCH' => ($s_type_switch == $s_type_switch_test) ? -1 : $s_type_switch_test,
);

/**
* Modify the topic data before it is assigned to the template
*
* @event core.viewforum_modify_topicrow
* @var array row Array with topic data
* @var array topic_row Template array with topic data
* @since 3.1.0-a1
*/
$vars = array('row', 'topic_row');
extract($phpbb_dispatcher->trigger_event('core.viewforum_modify_topicrow', compact($vars)));

$template->assign_block_vars('topicrow', $topic_row);

$pagination->generate_template_pagination($view_topic_url, 'topicrow.pagination', 'start', $replies + 1, $config['posts_per_page'], 1, true, true);

$s_type_switch = ($row['topic_type'] == POST_ANNOUNCE || $row['topic_type'] == POST_GLOBAL) ? 1 : 0;

if ($unread_topic)
{
$mark_forum_read = false;
}

unset($rowset[$topic_id]);
}
}

// This is rather a fudge but it's the best I can think of without requiring information
// on all topics (as we do in 2.0.x). It looks for unread or new topics, if it doesn't find
// any it updates the forum last read cookie. This requires that the user visit the forum
// after reading a topic
if ($forum_data['forum_type'] == FORUM_POST && sizeof($topic_list) && $mark_forum_read)
{
update_forum_tracking_info($forum_id, $forum_data['forum_last_post_time'], false, $mark_time_forum);
}

page_footer();