/**
* Create topic/post visibility SQL for all forums on the srcrd
*
* Note: Read permissions are not checked. Forums without read permissions
* should be in $exclude_forum_ids
*
* @param $mode string Either "topic" or "post"
* @param $exclude_forum_ids array Array of forum ids which are excluded
* @param $table_alias string Table alias to prefix in SQL queries
* @return string The appropriate combination SQL logic for topic/post_visibility
*/
public function get_global_visibility_sql($mode, $exclude_forum_ids = array(), $table_alias = '')
{
$where_sqls = array();
$approve_forums = array_diff(array_keys($this->auth->acl_getf('m_approve', true)), $exclude_forum_ids);
$visibility_sql_overwrite = null;
/**
* Allow changing the result of calling get_global_visibility_sql
*
* @event core.src_content_visibility_get_global_visibility_before
* @var array where_sqls The action the user tried to execute
* @var string mode Either "topic" or "post" depending on the query this is being used in
* @var array exclude_forum_ids Array of forum ids the current user doesn't have access to
* @var string table_alias Table alias to prefix in SQL queries
* @var array approve_forums Array of forums where the user has m_approve permissions
* @var string visibility_sql_overwrite Forces the function to return an implosion of where_sqls (joined by "OR")
* @since 3.1.3-RC1
*/
$vars = array('where_sqls', 'mode', 'exclude_forum_ids', 'table_alias', 'approve_forums', 'visibility_sql_overwrite');
extract($this->src_dispatcher->trigger_event('core.src_content_visibility_get_global_visibility_before', compact($vars)));
if ($visibility_sql_overwrite) {
return $visibility_sql_overwrite;
}
if (sizeof($exclude_forum_ids)) {
$where_sqls[] = '(' . $this->db->sql_in_set($table_alias . 'forum_id', $exclude_forum_ids, true) . '
AND ' . $table_alias . $mode . '_visibility = ' . ITEM_APPROVED . ')';
} else {
$where_sqls[] = $table_alias . $mode . '_visibility = ' . ITEM_APPROVED;
}
if (sizeof($approve_forums)) {
$where_sqls[] = $this->db->sql_in_set($table_alias . 'forum_id', $approve_forums);
return '(' . implode(' OR ', $where_sqls) . ')';
}
// There is only one element, so we just return that one
return $where_sqls[0];
}
function get_moderator_approve_forums()
{
static $forum_ids;
if (!isset($forum_ids)) {
$forum_ids = array_keys($this->auth->acl_getf('m_approve', true));
}
return $forum_ids;
}
/**
* Performs a search on keywords depending on display specific params. You have to run split_keywords() first
*
* @param string $type contains either posts or topics depending on what should be searched for
* @param string $fields contains either titleonly (topic titles should be searched), msgonly (only message bodies should be searched), firstpost (only subject and body of the first post should be searched) or all (all post bodies and subjects should be searched)
* @param string $terms is either 'all' (use query as entered, words without prefix should default to "have to be in field") or 'any' (ignore search query parts and just return all posts that contain any of the specified words)
* @param array $sort_by_sql contains SQL code for the ORDER BY part of a query
* @param string $sort_key is the key of $sort_by_sql for the selected sorting
* @param string $sort_dir is either a or d representing ASC and DESC
* @param string $sort_days specifies the maximum amount of days a post may be old
* @param array $ex_fid_ary specifies an array of forum ids which should not be searched
* @param string $post_visibility specifies which types of posts the user can view in which forums
* @param int $topic_id is set to 0 or a topic id, if it is not 0 then only posts in this topic should be searched
* @param array $author_ary an array of author ids if the author should be ignored during the search the array is empty
* @param string $author_name specifies the author match, when ANONYMOUS is also a search-match
* @param array &$id_ary passed by reference, to be filled with ids for the page specified by $start and $per_page, should be ordered
* @param int $start indicates the first index of the page
* @param int $per_page number of ids each page is supposed to contain
* @return boolean|int total number of results
*/
public function keyword_search($type, $fields, $terms, $sort_by_sql, $sort_key, $sort_dir, $sort_days, $ex_fid_ary, $post_visibility, $topic_id, $author_ary, $author_name, &$id_ary, &$start, $per_page)
{
// No keywords? No posts.
if (!strlen($this->search_query) && !sizeof($author_ary)) {
return false;
}
$id_ary = array();
$join_topic = $type != 'posts';
// Sorting
if ($type == 'topics') {
switch ($sort_key) {
case 'a':
$this->sphinx->SetGroupBy('topic_id', SPH_GROUPBY_ATTR, 'poster_id ' . ($sort_dir == 'a' ? 'ASC' : 'DESC'));
break;
case 'f':
$this->sphinx->SetGroupBy('topic_id', SPH_GROUPBY_ATTR, 'forum_id ' . ($sort_dir == 'a' ? 'ASC' : 'DESC'));
break;
case 'i':
case 's':
$this->sphinx->SetGroupBy('topic_id', SPH_GROUPBY_ATTR, 'post_subject ' . ($sort_dir == 'a' ? 'ASC' : 'DESC'));
break;
case 't':
default:
$this->sphinx->SetGroupBy('topic_id', SPH_GROUPBY_ATTR, 'topic_last_post_time ' . ($sort_dir == 'a' ? 'ASC' : 'DESC'));
break;
}
} else {
switch ($sort_key) {
case 'a':
$this->sphinx->SetSortMode($sort_dir == 'a' ? SPH_SORT_ATTR_ASC : SPH_SORT_ATTR_DESC, 'poster_id');
break;
case 'f':
$this->sphinx->SetSortMode($sort_dir == 'a' ? SPH_SORT_ATTR_ASC : SPH_SORT_ATTR_DESC, 'forum_id');
break;
case 'i':
case 's':
$this->sphinx->SetSortMode($sort_dir == 'a' ? SPH_SORT_ATTR_ASC : SPH_SORT_ATTR_DESC, 'post_subject');
break;
case 't':
default:
$this->sphinx->SetSortMode($sort_dir == 'a' ? SPH_SORT_ATTR_ASC : SPH_SORT_ATTR_DESC, 'post_time');
break;
}
}
// Most narrow filters first
if ($topic_id) {
$this->sphinx->SetFilter('topic_id', array($topic_id));
}
$search_query_prefix = '';
switch ($fields) {
case 'titleonly':
// Only search the title
if ($terms == 'all') {
$search_query_prefix = '@title ';
}
// Weight for the title
$this->sphinx->SetFieldWeights(array("title" => 5, "data" => 1));
// 1 is first_post, 0 is not first post
$this->sphinx->SetFilter('topic_first_post', array(1));
break;
case 'msgonly':
// Only search the body
if ($terms == 'all') {
$search_query_prefix = '@data ';
}
// Weight for the body
$this->sphinx->SetFieldWeights(array("title" => 1, "data" => 5));
break;
case 'firstpost':
// More relative weight for the title, also search the body
$this->sphinx->SetFieldWeights(array("title" => 5, "data" => 1));
// 1 is first_post, 0 is not first post
$this->sphinx->SetFilter('topic_first_post', array(1));
break;
default:
// More relative weight for the title, also search the body
$this->sphinx->SetFieldWeights(array("title" => 5, "data" => 1));
break;
}
if (sizeof($author_ary)) {
$this->sphinx->SetFilter('poster_id', $author_ary);
}
// As this is not simply possible at the moment, we limit the result to approved posts.
// This will make it impossible for moderators to search unapproved and softdeleted posts,
// but at least it will also cause the same for normal users.
$this->sphinx->SetFilter('post_visibility', array(ITEM_APPROVED));
if (sizeof($ex_fid_ary)) {
// All forums that a user is allowed to access
$fid_ary = array_unique(array_intersect(array_keys($this->auth->acl_getf('f_read', true)), array_keys($this->auth->acl_getf('f_search', true))));
// All forums that the user wants to and can search in
$search_forums = array_diff($fid_ary, $ex_fid_ary);
if (sizeof($search_forums)) {
$this->sphinx->SetFilter('forum_id', $search_forums);
}
}
$this->sphinx->SetFilter('deleted', array(0));
$this->sphinx->SetLimits($start, (int) $per_page, SPHINX_MAX_MATCHES);
$result = $this->sphinx->Query($search_query_prefix . str_replace('"', '"', $this->search_query), $this->indexes);
// Could be connection to localhost:9312 failed (errno=111,
// msg=Connection refused) during rotate, retry if so
$retries = SPHINX_CONNECT_RETRIES;
while (!$result && strpos($this->sphinx->GetLastError(), "errno=111,") !== false && $retries--) {
usleep(SPHINX_CONNECT_WAIT_TIME);
$result = $this->sphinx->Query($search_query_prefix . str_replace('"', '"', $this->search_query), $this->indexes);
}
if ($this->sphinx->GetLastError()) {
add_log('critical', 'LOG_SPHINX_ERROR', $this->sphinx->GetLastError());
if ($this->auth->acl_get('a_')) {
trigger_error($this->user->lang('SPHINX_SEARCH_FAILED', $this->sphinx->GetLastError()));
} else {
trigger_error($this->user->lang('SPHINX_SEARCH_FAILED_LOG'));
}
}
$result_count = $result['total_found'];
if ($result_count && $start >= $result_count) {
$start = floor(($result_count - 1) / $per_page) * $per_page;
$this->sphinx->SetLimits((int) $start, (int) $per_page, SPHINX_MAX_MATCHES);
$result = $this->sphinx->Query($search_query_prefix . str_replace('"', '"', $this->search_query), $this->indexes);
// Could be connection to localhost:9312 failed (errno=111,
// msg=Connection refused) during rotate, retry if so
$retries = SPHINX_CONNECT_RETRIES;
while (!$result && strpos($this->sphinx->GetLastError(), "errno=111,") !== false && $retries--) {
usleep(SPHINX_CONNECT_WAIT_TIME);
$result = $this->sphinx->Query($search_query_prefix . str_replace('"', '"', $this->search_query), $this->indexes);
}
}
$id_ary = array();
if (isset($result['matches'])) {
if ($type == 'posts') {
$id_ary = array_keys($result['matches']);
} else {
foreach ($result['matches'] as $key => $value) {
$id_ary[] = $value['attrs']['topic_id'];
}
}
} else {
return false;
}
$id_ary = array_slice($id_ary, 0, (int) $per_page);
return $result_count;
}
