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<?php
namespace SearchWP_Metrics;
// exit if accessed directly
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Class Query
* @package SearchWP_Metrics
*/
abstract class Query {
private $metrics;
private $tables;
private $ignored_queries;
private $limited_to_searches;
protected $sql;
public $results = array();
/**
* Query constructor.
*
* @param string $type
*/
function __construct( $args = array() ) {
$this->metrics = new \SearchWP_Metrics();
$this->set_tables();
$this->set_ignored_query_ids();
}
private function set_tables() {
foreach ( $this->metrics->get_db_tables() as $table ) {
$this->tables[ $table ] = $this->metrics->get_db_prefix() . $table;
}
}
function build_sql() {
$this->set_sql_fields();
$this->set_sql_from();
$this->set_sql_join();
$this->set_sql_where();
$this->set_sql_group_by();
$this->set_sql_having();
$this->set_sql_order_by();
}
function get_sql() {
return implode( ' ', $this->sql );
}
function get_results( $output_type = 'OBJECT' ) {
global $wpdb;
$this->build_sql();
$sql = implode( ' ', $this->sql );
$this->results = $wpdb->get_results( $sql, $output_type );
return $this->results;
}
function set_ignored_searchwp4() {
global $wpdb;
if ( ! class_exists( '\\SearchWP\\Statistics' ) ) {
return;
}
$ignored_queries = \SearchWP\Settings::get( 'ignored_queries', 'array' );
if ( empty( $ignored_queries ) ) {
return;
}
$ignored_queries = array_map( 'strtolower', $ignored_queries );
// Wildcards are supported with *.
$exacts = array_filter( $ignored_queries, function( $query ) {
return false === strpos( $query, '*' );
} );
$partials = array_filter( $ignored_queries, function( $query ) {
return false !== strpos( $query, '*' );
} );
$exact_ids = [];
$partial_ids = [];
if ( $exacts ) {
$exact_ids = $wpdb->get_col(
$wpdb->prepare("
SELECT {$this->tables['queries']}.id
FROM {$this->tables['queries']}
WHERE LOWER({$this->tables['queries']}.query) IN ( " . implode( ', ', array_fill( 0, count( $exacts ), '%s' ) ) . ')',
$exacts
)
);
}
if ( $partials ) {
$partial_ids = $wpdb->get_col(
$wpdb->prepare("
SELECT {$this->tables['queries']}.id
FROM {$this->tables['queries']}
WHERE " . implode( ' OR ', array_fill( 0, count( $partials ), "LOWER({$this->tables['queries']}.query) LIKE %s" ) ),
array_map( function( $partial ) use ( $wpdb ) {
return str_replace( '*', '%', $wpdb->esc_like( $partial ) );
}, $partials )
)
);
}
$query_ids = array_unique( array_merge( $exact_ids, $partial_ids ) );
$this->ignored_queries = array_map( 'absint', $query_ids );
}
function set_ignored_query_ids() {
global $wpdb;
if ( ! class_exists( 'SearchWP_Stats' ) ) {
if ( class_exists( '\\SearchWP\\Statistics' ) ) {
$this->set_ignored_searchwp4();
}
return;
}
$searchwp_core_stats = new \SearchWP_Stats();
$ignored_queries = $searchwp_core_stats->get_ignored_queries();
$ignored_queries = array_filter( array_values( $ignored_queries ), function( $value ) {
return preg_match( '/^[a-f0-9]{32}$/', $value );
} );
if ( ! empty( $ignored_queries ) ) {
$query_ids = $wpdb->get_col(
$wpdb->prepare(
"SELECT `{$this->tables['queries']}`.`id` FROM `{$this->tables['queries']}` WHERE md5(`{$this->tables['queries']}`.`query`) IN ( " . implode( ', ', array_fill( 0, count( $ignored_queries ), '%s' ) ) . ')',
array_values( $ignored_queries )
)
);
} else {
$query_ids = array();
}
$this->ignored_queries = array_map( 'absint', $query_ids );
}
function get_ignored_query_ids() {
return $this->ignored_queries;
}
function get_chart_labels_from_results( $results ) {
}
abstract protected function set_sql_fields();
abstract protected function set_sql_from();
abstract protected function set_sql_join();
function set_sql_where() {
$date_query = new \WP_Date_Query(
array(
array(
'after' => date( 'F j, Y 00:00:00', strtotime( $this->after ) ),
'before' => date( 'F j, Y 23:59:59', strtotime( $this->before ) ),
'inclusive' => true,
),
),
$this->tables['searches'] . '.tstamp'
);
$engine = function_exists( 'SWP' ) && SWP()->is_valid_engine( $this->engine ) ? $this->engine : 'default';
$this->sql['where'] = array();
$this->sql['where'][] = "WHERE `{$this->tables['searches']}`.`engine` = '{$this->engine}'";
// Apply limited search terms
$query_limiter_sql = $this->build_search_query_limiter_sql();
if ( ! empty( $query_limiter_sql ) ) {
$this->sql['where'][] = 'AND ' . $query_limiter_sql;
}
// Apply ignored
$ignored = $this->get_ignored_query_ids();
if ( ! empty( $ignored ) ) {
$this->sql['where'][] = "AND `{$this->tables['searches']}`.`query` NOT IN (" . implode( ', ', $this->get_ignored_query_ids() ) . ')';
}
$this->sql['where'][] = $date_query->get_sql();
$this->sql['where'] = implode( ' ', $this->sql['where'] );
}
/**
* You're allowed to limit to a query that's in the database OR add a partial match "tag" in the multiselect
* The limiter is passed as an array of integers. If the integer is positive it means it's in the database
* and if the integer is negative it means we need to do a partial match.
*/
private function build_search_query_limiter_sql() {
global $wpdb;
if ( empty( $this->limited_to_searches ) && empty( $_REQUEST['searches'] ) ) {
return '';
}
// First we're going to process the limiter
if ( empty( $this->limited_to_searches ) ) {
$this->limited_to_searches = $_REQUEST['searches'];
if ( ! is_array( $this->limited_to_searches ) ) {
$this->limited_to_searches = array( $this->limited_to_searches );
}
} else {
// If the limiter was passed it must be query IDs
if ( ! is_array( $this->limited_to_searches ) ) {
$this->limited_to_searches = array( $this->limited_to_searches );
}
$this->limited_to_searches = array_map( 'absint', $this->limited_to_searches );
}
if ( empty( $this->limited_to_searches ) ) {
return '';
}
// Now we need to determine what's an exact match ID and what's a partial match string
$exact_matches_ids = array();
foreach ( $this->limited_to_searches as $val ) {
if ( is_numeric( $val ) ) {
$exact_matches_ids[] = absint( $val );
} else {
// We're going to search for partial matches because we need the IDs
$search_query_search = new QuerySearchSearchQueries(array(
'query' => $val,
'partial' => true,
));
$search_query_search->build_sql();
$sql = $search_query_search->get_sql();
$search_query_results = $wpdb->get_results( $wpdb->prepare(
$sql,
'%' . $wpdb->esc_like( $val ) . '%'
) );
$exact_matches_ids = array_merge( wp_list_pluck( $search_query_results, 'id' ), $exact_matches_ids );
}
}
$exact_matches_ids = array_map( 'absint', $exact_matches_ids );
$exact_matches_ids = array_unique( $exact_matches_ids );
// This should never be reached...
if ( empty( $exact_matches_ids ) ) {
$exact_matches_ids = array( 0 );
}
return "`{$this->tables['searches']}`.`query` IN (" . implode( ', ', $exact_matches_ids ) . ')';
}
abstract protected function set_sql_group_by();
abstract protected function set_sql_having();
abstract protected function set_sql_order_by();
/**
* Magic getter
*
* @since 1.0
*
* @param $property
*
* @return null
*/
public function __get( $property ) {
if ( property_exists( $this, $property ) ) {
return $this->$property;
}
return null;
}
/**
* Magic setter
*
* @since 1.0
*
* @param $property
* @param $value
*
* @return $this
*/
public function __set( $property, $value ) {
if ( property_exists( $this, $property ) ) {
$this->$property = $value;
}
return $this;
}
}
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