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<?php
namespace SearchWP_Metrics;
// exit if accessed directly
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
/**
* Class Upgrade
*
* @package SearchWP_Metrics
*/
class Upgrade {
/**
* @var string Active plugin version
*
* @since 1.0.0
*/
public $version;
/**
* @var mixed|void The last version that was active
*
* @since 1.0.0
*/
public $last_version;
/**
* @var string Charset for the database
*
* @since 1.0.0
*/
private $charset = 'utf8';
/**
* @var string COLLATE SQL (when utf8mb4)
*
* @since 1.0.0
*/
private $collate_sql = '';
/**
* Constructor
*
* @param bool|string $version string Plugin version being activated
*
* @since 1.0
*/
public function __construct( $version = false ) {
global $wpdb;
// WordPress 4.2 added support for utf8mb4
if ( $wpdb->has_cap( 'utf8mb4' ) ) {
$this->charset = 'utf8mb4';
$this->collate_sql = ' COLLATE utf8mb4_unicode_ci ';
}
if ( ! empty( $version ) ) {
$this->version = $version;
$this->last_version = get_option( SEARCHWP_METRICS_PREFIX . 'version' );
if ( false === $this->last_version ) {
$this->last_version = 0;
}
if ( ! $this->tables_exist() ) {
$this->install();
}
if ( version_compare( $this->last_version, $this->version, '<' ) ) {
if ( version_compare( $this->last_version, '0.1.0', '<' ) ) {
add_option( SEARCHWP_METRICS_PREFIX . 'version', $this->version, '','no' );
// If this is a fresh install it means that the indexer can support utf8mb4
if ( 'utf8mb4' === $this->charset ) {
add_option( SEARCHWP_METRICS_PREFIX . 'utf8mb4', true, '', 'no' );
}
} else {
$this->upgrade();
update_option( SEARCHWP_METRICS_PREFIX . 'version', $this->version, 'no' );
}
}
}
}
/**
* Determines whether database tables exist.
*
* @since 1.0.0
*/
function tables_exist() {
global $wpdb;
$metrics = new \SearchWP_Metrics();
$tables_exist = true;
$tables = array(
$metrics->get_table_name( 'clicks' ),
$metrics->get_table_name( 'ids' ),
$metrics->get_table_name( 'queries' ),
$metrics->get_table_name( 'searches' ),
);
foreach ( $tables as $table ) {
$table_sql = $wpdb->get_results( "SHOW TABLES LIKE '{$table}'" , ARRAY_N );
if ( empty( $table_sql ) ) {
$tables_exist = false;
break;
}
}
return $tables_exist;
}
/**
* Installation procedure; create database tables
*
* @since 1.0.0
*/
private function install() {
$this->create_tables();
}
/**
* Create custom database tables
*/
private function create_tables() {
require_once ABSPATH . 'wp-admin/includes/upgrade.php';
$metrics = new \SearchWP_Metrics();
// Clicks table
$clicks_table_name = $metrics->get_table_name( 'clicks' );
$sql = "
CREATE TABLE $clicks_table_name (
`id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
`tstamp` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT 'Time the click happened',
`hash` bigint(20) DEFAULT NULL COMMENT 'From searches table, public hash of search that triggered click',
`position` int(9) unsigned NOT NULL COMMENT 'Position in SERP',
`post_id` bigint(20) unsigned DEFAULT NULL,
PRIMARY KEY (id),
KEY hash (hash),
KEY position (position)
) DEFAULT CHARSET=" . $this->charset . $this->collate_sql;
dbDelta( $sql );
// IDS table
$ids_table_name = $metrics->get_table_name( 'ids' );
$sql = "
CREATE TABLE $ids_table_name (
`id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
`value` char(32) NOT NULL DEFAULT '',
`type` varchar(20) DEFAULT 'hash',
PRIMARY KEY (id),
UNIQUE KEY `keyunique` (`value`),
KEY hash (type)
) DEFAULT CHARSET=" . $this->charset . $this->collate_sql;
dbDelta( $sql );
// Queries table
$queries_table_name = $metrics->get_table_name( 'queries' );
// If utf8mb4 collation is supported, add it
$varchar_collate = '';
if ( 'utf8mb4' === $this->charset ) {
// Normally it's utfmb4_unicode_ci but that is not strict enough for UNIQUE keys
$varchar_collate = ' COLLATE utf8mb4_bin ';
}
$sql = "
CREATE TABLE $queries_table_name (
`id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
`query` varchar(191) CHARACTER SET utf8mb4 {$varchar_collate} NOT NULL DEFAULT '' COMMENT 'The search query itself',
PRIMARY KEY (id),
UNIQUE KEY query (query)
) DEFAULT CHARSET=" . $this->charset . $varchar_collate;
dbDelta( $sql );
// Searches table
$searches_table_name = $metrics->get_table_name( 'searches' );
$sql = "
CREATE TABLE $searches_table_name (
`id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
`query` bigint(20) unsigned NOT NULL COMMENT 'ID of search query stored in table',
`engine` varchar(191) NOT NULL DEFAULT 'default' COMMENT 'Engine used for search',
`tstamp` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT 'Timestamp of search',
`hits` int(9) unsigned NOT NULL COMMENT 'How many hits were found',
`hash` bigint(20) unsigned NOT NULL COMMENT 'Public representation of each search, allows linking subsequent events (e.g. click) to this search',
`uid` bigint(20) unsigned DEFAULT NULL COMMENT 'Anonymous user ID',
PRIMARY KEY (id),
KEY engine (engine),
KEY query (query),
KEY hits (hits),
KEY hash (hash),
KEY uid (uid)
) DEFAULT CHARSET=" . $this->charset . $this->collate_sql;
dbDelta( $sql );
// Meta table
$this->create_meta_table();
}
function create_meta_table() {
require_once ABSPATH . 'wp-admin/includes/upgrade.php';
$metrics = new \SearchWP_Metrics();
$meta_table_name = $metrics->get_table_name( 'meta' );
$sql = "
CREATE TABLE $meta_table_name (
`id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
`hashid` bigint(20) NOT NULL,
`uid` bigint(20) DEFAULT NULL,
`object` varchar(80) DEFAULT NULL,
`object_id` bigint(20) unsigned DEFAULT NULL,
`meta_key` varchar(191),
`meta_value` longtext,
PRIMARY KEY (id),
KEY object (object),
KEY object_id (object_id),
KEY hashid (hashid),
KEY uid (uid),
KEY meta_key (meta_key)
) DEFAULT CHARSET=" . $this->charset . $this->collate_sql;
dbDelta( $sql );
}
/**
* Upgrade routine
*/
function upgrade() {
global $wpdb;
// $busy = get_option( SEARCHWP_METRICS_PREFIX . 'doing_upgrade' );
// if ( ! empty( $busy ) ) {
// // There's already an upgrade running.
// return;
// }
// // Set our flag that an upgrade is running.
// update_option( SEARCHWP_METRICS_PREFIX . 'doing_upgrade', true, 'no' );
$metrics = new \SearchWP_Metrics();
// Improve performance with additional index.
if ( version_compare( $this->last_version, '1.0.8', '<' ) ) {
$ids_table_name = $metrics->get_table_name( 'ids' );
$wpdb->query( "ALTER TABLE {$ids_table_name} ADD INDEX `key` (`value`)" );
}
if ( version_compare( $this->last_version, '1.2.5', '<' ) ) {
$this->create_meta_table();
$blocklists = get_option( $metrics->get_db_prefix() . 'blacklists' );
if ( ! empty( $blocklists ) ) {
update_option( $metrics->get_db_prefix() . 'blocklists', $blocklists );
}
}
if ( version_compare( $this->last_version, '1.3.0', '<' ) ) {
$table = $metrics->get_table_name( 'meta' );
$wpdb->query( "DROP TABLE {$table}" );
$this->create_meta_table();
}
// update_option( SEARCHWP_METRICS_PREFIX . 'doing_upgrade', false, 'no' );
}
}
Zerion Mini Shell 1.0