Viewing file:  Installer.php (3.35 KB) -rw-r--r--
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<?php
namespace Automattic\Kkart\Blocks;
/**
* Installer class.
* Handles installation of Blocks plugin dependencies.
*
* @internal
*/
class Installer {
/**
* Constructor
*/
public function __construct() {
$this->init();
}
/**
* Installation tasks ran on admin_init callback.
*/
public function install() {
$this->maybe_create_tables();
}
/**
* Initialize class features.
*/
protected function init() {
add_action( 'admin_init', array( $this, 'install' ) );
}
/**
* Set up the database tables which the plugin needs to function.
*/
public function maybe_create_tables() {
global $wpdb;
$schema_version = 260;
$db_schema_version = (int) get_option( 'kkart_blocks_db_schema_version', 0 );
if ( $db_schema_version >= $schema_version && 0 !== $db_schema_version ) {
return;
}
$show_errors = $wpdb->hide_errors();
$table_name = $wpdb->prefix . 'kkart_reserved_stock';
$collate = $wpdb->has_cap( 'collation' ) ? $wpdb->get_charset_collate() : '';
$exists = $this->maybe_create_table(
$wpdb->prefix . 'kkart_reserved_stock',
"
CREATE TABLE {$wpdb->prefix}kkart_reserved_stock (
`order_id` bigint(20) NOT NULL,
`product_id` bigint(20) NOT NULL,
`stock_quantity` double NOT NULL DEFAULT 0,
`timestamp` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
`expires` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
PRIMARY KEY (`order_id`, `product_id`)
) $collate;
"
);
if ( $show_errors ) {
$wpdb->show_errors();
}
if ( ! $exists ) {
return $this->add_create_table_notice( $table_name );
}
// Update succeeded. This is only updated when successful and validated.
// $schema_version should be incremented when changes to schema are made within this method.
update_option( 'kkart_blocks_db_schema_version', $schema_version );
}
/**
* Create database table, if it doesn't already exist.
*
* Based on admin/install-helper.php maybe_create_table function.
*
* @param string $table_name Database table name.
* @param string $create_sql Create database table SQL.
* @return bool False on error, true if already exists or success.
*/
protected function maybe_create_table( $table_name, $create_sql ) {
global $wpdb;
$_table_name = strtolower($table_name);
$col = $wpdb->get_col( $wpdb->prepare( 'SHOW TABLES LIKE %s', $table_name ), 0 );
if ( in_array( $_table_name, array_map('strtolower', $col), true ) ) {
return true;
}
$wpdb->query( $create_sql ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared
$col = $wpdb->get_col( $wpdb->prepare( 'SHOW TABLES LIKE %s', $table_name ), 0 );
return in_array( $table_name, array_map('strtolower', $col), true );
}
/**
* Add a notice if table creation fails.
*
* @param string $table_name Name of the missing table.
*/
protected function add_create_table_notice( $table_name ) {
add_action(
'admin_notices',
function() use ( $table_name ) {
echo '<div class="error"><p>';
printf(
/* Translators: %1$s table name, %2$s database user, %3$s database name. */
esc_html__( 'Kkart %1$s table creation failed. Does the %2$s user have CREATE privileges on the %3$s database?', 'kkart' ),
'<code>' . esc_html( $table_name ) . '</code>',
'<code>' . esc_html( DB_USER ) . '</code>',
'<code>' . esc_html( DB_NAME ) . '</code>'
);
echo '</p></div>';
}
);
}
}
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