* @license GNU General Public License, version 2 (GPL-2.0)
*
* For full copyright and license information, please see
* the docs/CREDITS.txt file.
*
*/
namespace phpbb\search;
define('SPHINX_MAX_MATCHES', 20000);
define('SPHINX_CONNECT_RETRIES', 3);
define('SPHINX_CONNECT_WAIT_TIME', 300);
/**
* Fulltext search based on the sphinx search deamon
*/
class fulltext_sphinx
{
/**
* Associative array holding index stats
* @var array
*/
protected $stats = array();
/**
* Holds the words entered by user, obtained by splitting the entered query on whitespace
* @var array
*/
protected $split_words = array();
/**
* Holds unique sphinx id
* @var string
*/
protected $id;
/**
* Stores the names of both main and delta sphinx indexes
* separated by a semicolon
* @var string
*/
protected $indexes;
/**
* Sphinx searchd client object
* @var SphinxClient
*/
protected $sphinx;
/**
* Relative path to board root
* @var string
*/
protected $phpbb_root_path;
/**
* PHP Extension
* @var string
*/
protected $php_ext;
/**
* Auth object
* @var \phpbb\auth\auth
*/
protected $auth;
/**
* Config object
* @var \phpbb\config\config
*/
protected $config;
/**
* Database connection
* @var \phpbb\db\driver\driver_interface
*/
protected $db;
/**
* Database Tools object
* @var \phpbb\db\tools\tools_interface
*/
protected $db_tools;
/**
* Stores the database type if supported by sphinx
* @var string
*/
protected $dbtype;
/**
* phpBB event dispatcher object
* @var \phpbb\event\dispatcher_interface
*/
protected $phpbb_dispatcher;
/**
* User object
* @var \phpbb\user
*/
protected $user;
/**
* Stores the generated content of the sphinx config file
* @var string
*/
protected $config_file_data = '';
/**
* Contains tidied search query.
* Operators are prefixed in search query and common words excluded
* @var string
*/
protected $search_query;
/**
* Constructor
* Creates a new \phpbb\search\fulltext_postgres, which is used as a search backend
*
* @param string|bool $error Any error that occurs is passed on through this reference variable otherwise false
* @param string $phpbb_root_path Relative path to phpBB root
* @param string $phpEx PHP file extension
* @param \phpbb\auth\auth $auth Auth object
* @param \phpbb\config\config $config Config object
* @param \phpbb\db\driver\driver_interface Database object
* @param \phpbb\user $user User object
* @param \phpbb\event\dispatcher_interface $phpbb_dispatcher Event dispatcher object
*/
public function __construct(&$error, $phpbb_root_path, $phpEx, $auth, $config, $db, $user, $phpbb_dispatcher)
{
$this->phpbb_root_path = $phpbb_root_path;
$this->php_ext = $phpEx;
$this->config = $config;
$this->phpbb_dispatcher = $phpbb_dispatcher;
$this->user = $user;
$this->db = $db;
$this->auth = $auth;
// Initialize \phpbb\db\tools\tools object
global $phpbb_container; // TODO inject into object
$this->db_tools = $phpbb_container->get('dbal.tools');
if (!$this->config['fulltext_sphinx_id'])
{
$this->config->set('fulltext_sphinx_id', unique_id());
}
$this->id = $this->config['fulltext_sphinx_id'];
$this->indexes = 'index_phpbb_' . $this->id . '_delta;index_phpbb_' . $this->id . '_main';
if (!class_exists('SphinxClient'))
{
require($this->phpbb_root_path . 'includes/sphinxapi.' . $this->php_ext);
}
// Initialize sphinx client
$this->sphinx = new \SphinxClient();
$this->sphinx->SetServer(($this->config['fulltext_sphinx_host'] ? $this->config['fulltext_sphinx_host'] : 'localhost'), ($this->config['fulltext_sphinx_port'] ? (int) $this->config['fulltext_sphinx_port'] : 9312));
$error = false;
}
/**
* Returns the name of this search backend to be displayed to administrators
*
* @return string Name
*/
public function get_name()
{
return 'Sphinx Fulltext';
}
/**
* Returns the search_query
*
* @return string search query
*/
public function get_search_query()
{
return $this->search_query;
}
/**
* Returns false as there is no word_len array
*
* @return false
*/
public function get_word_length()
{
return false;
}
/**
* Returns an empty array as there are no common_words
*
* @return array common words that are ignored by search backend
*/
public function get_common_words()
{
return array();
}
/**
* Checks permissions and paths, if everything is correct it generates the config file
*
* @return string|bool Language key of the error/incompatiblity encountered, or false if successful
*/
public function init()
{
if ($this->db->get_sql_layer() != 'mysql' && $this->db->get_sql_layer() != 'mysql4' && $this->db->get_sql_layer() != 'mysqli' && $this->db->get_sql_layer() != 'postgres')
{
return $this->user->lang['FULLTEXT_SPHINX_WRONG_DATABASE'];
}
// Move delta to main index each hour
$this->config->set('search_gc', 3600);
return false;
}
/**
* Generates content of sphinx.conf
*
* @return bool True if sphinx.conf content is correctly generated, false otherwise
*/
protected function config_generate()
{
// Check if Database is supported by Sphinx
if ($this->db->get_sql_layer() =='mysql' || $this->db->get_sql_layer() == 'mysql4' || $this->db->get_sql_layer() == 'mysqli')
{
$this->dbtype = 'mysql';
}
else if ($this->db->get_sql_layer() == 'postgres')
{
$this->dbtype = 'pgsql';
}
else
{
$this->config_file_data = $this->user->lang('FULLTEXT_SPHINX_WRONG_DATABASE');
return false;
}
// Check if directory paths have been filled
if (!$this->config['fulltext_sphinx_data_path'])
{
$this->config_file_data = $this->user->lang('FULLTEXT_SPHINX_NO_CONFIG_DATA');
return false;
}
include($this->phpbb_root_path . 'config.' . $this->php_ext);
/* Now that we're sure everything was entered correctly,
generate a config for the index. We use a config value
fulltext_sphinx_id for this, as it should be unique. */
$config_object = new \phpbb\search\sphinx\config($this->config_file_data);
$config_data = array(
'source source_phpbb_' . $this->id . '_main' => array(
array('type', $this->dbtype . ' # mysql or pgsql'),
// This config value sql_host needs to be changed incase sphinx and sql are on different servers
array('sql_host', $dbhost . ' # SQL server host sphinx connects to'),
array('sql_user', '[dbuser]'),
array('sql_pass', '[dbpassword]'),
array('sql_db', $dbname),
array('sql_port', $dbport . ' # optional, default is 3306 for mysql and 5432 for pgsql'),
array('sql_query_pre', 'SET NAMES \'utf8\''),
array('sql_query_pre', 'UPDATE ' . SPHINX_TABLE . ' SET max_doc_id = (SELECT MAX(post_id) FROM ' . POSTS_TABLE . ') WHERE counter_id = 1'),
array('sql_query_range', 'SELECT MIN(post_id), MAX(post_id) FROM ' . POSTS_TABLE . ''),
array('sql_range_step', '5000'),
array('sql_query', 'SELECT
p.post_id AS id,
p.forum_id,
p.topic_id,
p.poster_id,
p.post_visibility,
CASE WHEN p.post_id = t.topic_first_post_id THEN 1 ELSE 0 END as topic_first_post,
p.post_time,
p.post_subject,
p.post_subject as title,
p.post_text as data,
t.topic_last_post_time,
0 as deleted
FROM ' . POSTS_TABLE . ' p, ' . TOPICS_TABLE . ' t
WHERE
p.topic_id = t.topic_id
AND p.post_id >= $start AND p.post_id <= $end'),
array('sql_query_post', ''),
array('sql_query_post_index', 'UPDATE ' . SPHINX_TABLE . ' SET max_doc_id = $maxid WHERE counter_id = 1'),
array('sql_query_info', 'SELECT * FROM ' . POSTS_TABLE . ' WHERE post_id = $id'),
array('sql_attr_uint', 'forum_id'),
array('sql_attr_uint', 'topic_id'),
array('sql_attr_uint', 'poster_id'),
array('sql_attr_uint', 'post_visibility'),
array('sql_attr_bool', 'topic_first_post'),
array('sql_attr_bool', 'deleted'),
array('sql_attr_timestamp', 'post_time'),
array('sql_attr_timestamp', 'topic_last_post_time'),
array('sql_attr_string', 'post_subject'),
),
'source source_phpbb_' . $this->id . '_delta : source_phpbb_' . $this->id . '_main' => array(
array('sql_query_pre', ''),
array('sql_query_range', ''),
array('sql_range_step', ''),
array('sql_query', 'SELECT
p.post_id AS id,
p.forum_id,
p.topic_id,
p.poster_id,
p.post_visibility,
CASE WHEN p.post_id = t.topic_first_post_id THEN 1 ELSE 0 END as topic_first_post,
p.post_time,
p.post_subject,
p.post_subject as title,
p.post_text as data,
t.topic_last_post_time,
0 as deleted
FROM ' . POSTS_TABLE . ' p, ' . TOPICS_TABLE . ' t
WHERE
p.topic_id = t.topic_id
AND p.post_id >= ( SELECT max_doc_id FROM ' . SPHINX_TABLE . ' WHERE counter_id=1 )'),
),
'index index_phpbb_' . $this->id . '_main' => array(
array('path', $this->config['fulltext_sphinx_data_path'] . 'index_phpbb_' . $this->id . '_main'),
array('source', 'source_phpbb_' . $this->id . '_main'),
array('docinfo', 'extern'),
array('morphology', 'none'),
array('stopwords', ''),
array('min_word_len', '2'),
array('charset_type', 'utf-8'),
array('charset_table', 'U+FF10..U+FF19->0..9, 0..9, U+FF41..U+FF5A->a..z, U+FF21..U+FF3A->a..z, A..Z->a..z, a..z, U+0149, U+017F, U+0138, U+00DF, U+00FF, U+00C0..U+00D6->U+00E0..U+00F6, U+00E0..U+00F6, U+00D8..U+00DE->U+00F8..U+00FE, U+00F8..U+00FE, U+0100->U+0101, U+0101, U+0102->U+0103, U+0103, U+0104->U+0105, U+0105, U+0106->U+0107, U+0107, U+0108->U+0109, U+0109, U+010A->U+010B, U+010B, U+010C->U+010D, U+010D, U+010E->U+010F, U+010F, U+0110->U+0111, U+0111, U+0112->U+0113, U+0113, U+0114->U+0115, U+0115, U+0116->U+0117, U+0117, U+0118->U+0119, U+0119, U+011A->U+011B, U+011B, U+011C->U+011D, U+011D, U+011E->U+011F, U+011F, U+0130->U+0131, U+0131, U+0132->U+0133, U+0133, U+0134->U+0135, U+0135, U+0136->U+0137, U+0137, U+0139->U+013A, U+013A, U+013B->U+013C, U+013C, U+013D->U+013E, U+013E, U+013F->U+0140, U+0140, U+0141->U+0142, U+0142, U+0143->U+0144, U+0144, U+0145->U+0146, U+0146, U+0147->U+0148, U+0148, U+014A->U+014B, U+014B, U+014C->U+014D, U+014D, U+014E->U+014F, U+014F, U+0150->U+0151, U+0151, U+0152->U+0153, U+0153, U+0154->U+0155, U+0155, U+0156->U+0157, U+0157, U+0158->U+0159, U+0159, U+015A->U+015B, U+015B, U+015C->U+015D, U+015D, U+015E->U+015F, U+015F, U+0160->U+0161, U+0161, U+0162->U+0163, U+0163, U+0164->U+0165, U+0165, U+0166->U+0167, U+0167, U+0168->U+0169, U+0169, U+016A->U+016B, U+016B, U+016C->U+016D, U+016D, U+016E->U+016F, U+016F, U+0170->U+0171, U+0171, U+0172->U+0173, U+0173, U+0174->U+0175, U+0175, U+0176->U+0177, U+0177, U+0178->U+00FF, U+00FF, U+0179->U+017A, U+017A, U+017B->U+017C, U+017C, U+017D->U+017E, U+017E, U+0410..U+042F->U+0430..U+044F, U+0430..U+044F, U+4E00..U+9FFF'),
array('min_prefix_len', '0'),
array('min_infix_len', '0'),
),
'index index_phpbb_' . $this->id . '_delta : index_phpbb_' . $this->id . '_main' => array(
array('path', $this->config['fulltext_sphinx_data_path'] . 'index_phpbb_' . $this->id . '_delta'),
array('source', 'source_phpbb_' . $this->id . '_delta'),
),
'indexer' => array(
array('mem_limit', $this->config['fulltext_sphinx_indexer_mem_limit'] . 'M'),
),
'searchd' => array(
array('compat_sphinxql_magics' , '0'),
array('listen' , ($this->config['fulltext_sphinx_host'] ? $this->config['fulltext_sphinx_host'] : 'localhost') . ':' . ($this->config['fulltext_sphinx_port'] ? $this->config['fulltext_sphinx_port'] : '9312')),
array('log', $this->config['fulltext_sphinx_data_path'] . 'log/searchd.log'),
array('query_log', $this->config['fulltext_sphinx_data_path'] . 'log/sphinx-query.log'),
array('read_timeout', '5'),
array('max_children', '30'),
array('pid_file', $this->config['fulltext_sphinx_data_path'] . 'searchd.pid'),
array('max_matches', (string) SPHINX_MAX_MATCHES),
array('binlog_path', $this->config['fulltext_sphinx_data_path']),
),
);
$non_unique = array('sql_query_pre' => true, 'sql_attr_uint' => true, 'sql_attr_timestamp' => true, 'sql_attr_str2ordinal' => true, 'sql_attr_bool' => true);
$delete = array('sql_group_column' => true, 'sql_date_column' => true, 'sql_str2ordinal_column' => true);
/**
* Allow adding/changing the Sphinx configuration data
*
* @event core.search_sphinx_modify_config_data
* @var array config_data Array with the Sphinx configuration data
* @var array non_unique Array with the Sphinx non-unique variables to delete
* @var array delete Array with the Sphinx variables to delete
* @since 3.1.7-RC1
*/
$vars = array(
'config_data',
'non_unique',
'delete',
);
extract($this->phpbb_dispatcher->trigger_event('core.search_sphinx_modify_config_data', compact($vars)));
foreach ($config_data as $section_name => $section_data)
{
$section = $config_object->get_section_by_name($section_name);
if (!$section)
{
$section = $config_object->add_section($section_name);
}
foreach ($delete as $key => $void)
{
$section->delete_variables_by_name($key);
}
foreach ($non_unique as $key => $void)
{
$section->delete_variables_by_name($key);
}
foreach ($section_data as $entry)
{
$key = $entry[0];
$value = $entry[1];
if (!isset($non_unique[$key]))
{
$variable = $section->get_variable_by_name($key);
if (!$variable)
{
$section->create_variable($key, $value);
}
else
{
$variable->set_value($value);
}
}
else
{
$section->create_variable($key, $value);
}
}
}
$this->config_file_data = $config_object->get_data();
return true;
}
/**
* Splits keywords entered by a user into an array of words stored in $this->split_words
* Stores the tidied search query in $this->search_query
*
* @param string $keywords Contains the keyword as entered by the user
* @param string $terms is either 'all' or 'any'
* @return false if no valid keywords were found and otherwise true
*/
public function split_keywords(&$keywords, $terms)
{
if ($terms == 'all')
{
$match = array('#\sand\s#i', '#\sor\s#i', '#\snot\s#i', '#\+#', '#-#', '#\|#', '#@#');
$replace = array(' & ', ' | ', ' - ', ' +', ' -', ' |', '');
$keywords = preg_replace($match, $replace, $keywords);
$this->sphinx->SetMatchMode(SPH_MATCH_EXTENDED);
}
else
{
$this->sphinx->SetMatchMode(SPH_MATCH_ANY);
}
// Keep quotes and new lines
$keywords = str_replace(array('"', "\n"), array('"', ' '), trim($keywords));
if (strlen($keywords) > 0)
{
$this->search_query = str_replace('"', '"', $keywords);
return true;
}
return false;
}
/**
* 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)
{
global $user, $phpbb_log;
// No keywords? No posts.
if (!strlen($this->search_query) && !sizeof($author_ary))
{
return false;
}
$id_ary = array();
// Sorting
if ($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));
}
/**
* Allow modifying the Sphinx search options
*
* @event core.search_sphinx_keywords_modify_options
* @var string type Searching type ('posts', 'topics')
* @var string fields Searching fields ('titleonly', 'msgonly', 'firstpost', 'all')
* @var string terms Searching terms ('all', 'any')
* @var int sort_days Time, in days, of the oldest possible post to list
* @var string sort_key The sort type used from the possible sort types
* @var int topic_id Limit the search to this topic_id only
* @var array ex_fid_ary Which forums not to search on
* @var string post_visibility Post visibility data
* @var array author_ary Array of user_id containing the users to filter the results to
* @var string author_name The username to search on
* @var object sphinx The Sphinx searchd client object
* @since 3.1.7-RC1
*/
$sphinx = $this->sphinx;
$vars = array(
'type',
'fields',
'terms',
'sort_days',
'sort_key',
'topic_id',
'ex_fid_ary',
'post_visibility',
'author_ary',
'author_name',
'sphinx',
);
extract($this->phpbb_dispatcher->trigger_event('core.search_sphinx_keywords_modify_options', compact($vars)));
$this->sphinx = $sphinx;
unset($sphinx);
$search_query_prefix = '';
switch ($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())
{
$phpbb_log->add('critical', $user->data['user_id'], $user->ip, 'LOG_SPHINX_ERROR', false, array($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;
}
/**
* Performs a search on an author's posts without caring about message contents. Depends on display specific params
*
* @param string $type contains either posts or topics depending on what should be searched for
* @param boolean $firstpost_only if true, only topic starting posts will be considered
* @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
* @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 $per_page number of ids each page is supposed to contain
* @return boolean|int total number of results
*/
public function author_search($type, $firstpost_only, $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)
{
$this->search_query = '';
$this->sphinx->SetMatchMode(SPH_MATCH_FULLSCAN);
$fields = ($firstpost_only) ? 'firstpost' : 'all';
$terms = 'all';
return $this->keyword_search($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);
}
/**
* Updates wordlist and wordmatch tables when a message is posted or changed
*
* @param string $mode Contains the post mode: edit, post, reply, quote
* @param int $post_id The id of the post which is modified/created
* @param string &$message New or updated post content
* @param string &$subject New or updated post subject
* @param int $poster_id Post author's user id
* @param int $forum_id The id of the forum in which the post is located
*/
public function index($mode, $post_id, &$message, &$subject, $poster_id, $forum_id)
{
if ($mode == 'edit')
{
$this->sphinx->UpdateAttributes($this->indexes, array('forum_id', 'poster_id'), array((int) $post_id => array((int) $forum_id, (int) $poster_id)));
}
else if ($mode != 'post' && $post_id)
{
// Update topic_last_post_time for full topic
$sql_array = array(
'SELECT' => 'p1.post_id',
'FROM' => array(
POSTS_TABLE => 'p1',
),
'LEFT_JOIN' => array(array(
'FROM' => array(
POSTS_TABLE => 'p2'
),
'ON' => 'p1.topic_id = p2.topic_id',
)),
'WHERE' => 'p2.post_id = ' . ((int) $post_id),
);
$sql = $this->db->sql_build_query('SELECT', $sql_array);
$result = $this->db->sql_query($sql);
$post_updates = array();
$post_time = time();
while ($row = $this->db->sql_fetchrow($result))
{
$post_updates[(int) $row['post_id']] = array($post_time);
}
$this->db->sql_freeresult($result);
if (sizeof($post_updates))
{
$this->sphinx->UpdateAttributes($this->indexes, array('topic_last_post_time'), $post_updates);
}
}
}
/**
* Delete a post from the index after it was deleted
*/
public function index_remove($post_ids, $author_ids, $forum_ids)
{
$values = array();
foreach ($post_ids as $post_id)
{
$values[$post_id] = array(1);
}
$this->sphinx->UpdateAttributes($this->indexes, array('deleted'), $values);
}
/**
* Nothing needs to be destroyed
*/
public function tidy($create = false)
{
$this->config->set('search_last_gc', time(), false);
}
/**
* Create sphinx table
*
* @return string|bool error string is returned incase of errors otherwise false
*/
public function create_index($acp_module, $u_action)
{
if (!$this->index_created())
{
$table_data = array(
'COLUMNS' => array(
'counter_id' => array('UINT', 0),
'max_doc_id' => array('UINT', 0),
),
'PRIMARY_KEY' => 'counter_id',
);
$this->db_tools->sql_create_table(SPHINX_TABLE, $table_data);
$sql = 'TRUNCATE TABLE ' . SPHINX_TABLE;
$this->db->sql_query($sql);
$data = array(
'counter_id' => '1',
'max_doc_id' => '0',
);
$sql = 'INSERT INTO ' . SPHINX_TABLE . ' ' . $this->db->sql_build_array('INSERT', $data);
$this->db->sql_query($sql);
}
return false;
}
/**
* Drop sphinx table
*
* @return string|bool error string is returned incase of errors otherwise false
*/
public function delete_index($acp_module, $u_action)
{
if (!$this->index_created())
{
return false;
}
$this->db_tools->sql_table_drop(SPHINX_TABLE);
return false;
}
/**
* Returns true if the sphinx table was created
*
* @return bool true if sphinx table was created
*/
public function index_created($allow_new_files = true)
{
$created = false;
if ($this->db_tools->sql_table_exists(SPHINX_TABLE))
{
$created = true;
}
return $created;
}
/**
* Returns an associative array containing information about the indexes
*
* @return string|bool Language string of error false otherwise
*/
public function index_stats()
{
if (empty($this->stats))
{
$this->get_stats();
}
return array(
$this->user->lang['FULLTEXT_SPHINX_MAIN_POSTS'] => ($this->index_created()) ? $this->stats['main_posts'] : 0,
$this->user->lang['FULLTEXT_SPHINX_DELTA_POSTS'] => ($this->index_created()) ? $this->stats['total_posts'] - $this->stats['main_posts'] : 0,
$this->user->lang['FULLTEXT_MYSQL_TOTAL_POSTS'] => ($this->index_created()) ? $this->stats['total_posts'] : 0,
);
}
/**
* Collects stats that can be displayed on the index maintenance page
*/
protected function get_stats()
{
if ($this->index_created())
{
$sql = 'SELECT COUNT(post_id) as total_posts
FROM ' . POSTS_TABLE;
$result = $this->db->sql_query($sql);
$this->stats['total_posts'] = (int) $this->db->sql_fetchfield('total_posts');
$this->db->sql_freeresult($result);
$sql = 'SELECT COUNT(p.post_id) as main_posts
FROM ' . POSTS_TABLE . ' p, ' . SPHINX_TABLE . ' m
WHERE p.post_id <= m.max_doc_id
AND m.counter_id = 1';
$result = $this->db->sql_query($sql);
$this->stats['main_posts'] = (int) $this->db->sql_fetchfield('main_posts');
$this->db->sql_freeresult($result);
}
}
/**
* Returns a list of options for the ACP to display
*
* @return associative array containing template and config variables
*/
public function acp()
{
$config_vars = array(
'fulltext_sphinx_data_path' => 'string',
'fulltext_sphinx_host' => 'string',
'fulltext_sphinx_port' => 'string',
'fulltext_sphinx_indexer_mem_limit' => 'int',
);
$tpl = '
' . $this->user->lang['FULLTEXT_SPHINX_CONFIGURE']. '