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<?php |
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|
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class Red_Database_Status { |
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// Used in < 3.7 versions of Redirection, but since migrated to general settings |
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const OLD_DB_VERSION = 'redirection_version'; |
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const DB_UPGRADE_STAGE = 'database_stage'; |
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|
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const RESULT_OK = 'ok'; |
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const RESULT_ERROR = 'error'; |
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|
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const STATUS_OK = 'ok'; |
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const STATUS_NEED_INSTALL = 'need-install'; |
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const STATUS_NEED_UPDATING = 'need-update'; |
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const STATUS_FINISHED_INSTALL = 'finish-install'; |
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const STATUS_FINISHED_UPDATING = 'finish-update'; |
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|
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private $stage = false; |
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private $stages = []; |
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|
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private $status = false; |
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private $result = false; |
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private $reason = false; |
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private $debug = []; |
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|
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public function __construct() { |
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$this->status = self::STATUS_OK; |
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|
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if ( $this->needs_installing() ) { |
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$this->status = self::STATUS_NEED_INSTALL; |
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} |
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|
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$this->load_stage(); |
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|
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if ( $this->needs_updating() ) { |
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$this->status = self::STATUS_NEED_UPDATING; |
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} |
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} |
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|
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public function load_stage() { |
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$settings = red_get_options(); |
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|
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if ( isset( $settings[ self::DB_UPGRADE_STAGE ] ) ) { |
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$this->stage = isset( $settings[ self::DB_UPGRADE_STAGE ]['stage'] ) ? $settings[ self::DB_UPGRADE_STAGE ]['stage'] : false; |
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$this->stages = isset( $settings[ self::DB_UPGRADE_STAGE ]['stages'] ) ? $settings[ self::DB_UPGRADE_STAGE ]['stages'] : []; |
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$this->status = isset( $settings[ self::DB_UPGRADE_STAGE ]['status'] ) ? $settings[ self::DB_UPGRADE_STAGE ]['status'] : false; |
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} |
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} |
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|
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/** |
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* Does the database need install |
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* |
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* @return bool true if needs installing, false otherwise |
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*/ |
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public function needs_installing() { |
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$settings = red_get_options(); |
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|
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if ( $settings['database'] === '' && $this->get_old_version() === false ) { |
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return true; |
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} |
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|
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return false; |
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} |
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|
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/** |
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* Does the current database need updating to the target |
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* |
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* @return bool true if needs updating, false otherwise |
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*/ |
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public function needs_updating() { |
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// We need updating if we don't need to install, and the current version is less than target version |
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if ( $this->needs_installing() === false && version_compare( $this->get_current_version(), REDIRECTION_DB_VERSION, '<' ) ) { |
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return true; |
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} |
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|
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// Also if we're still in the process of upgrading |
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if ( $this->get_current_stage() && $this->status !== self::STATUS_NEED_INSTALL ) { |
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return true; |
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} |
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|
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return false; |
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} |
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|
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/** |
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* Get current database version |
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* |
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* @return string Current database version |
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*/ |
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public function get_current_version() { |
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$settings = red_get_options(); |
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|
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if ( $settings['database'] !== '' && is_string( $settings['database'] ) ) { |
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return $settings['database']; |
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} |
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|
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if ( $this->get_old_version() !== false ) { |
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$version = $this->get_old_version(); |
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|
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// Upgrade the old value |
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if ( $version ) { |
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red_set_options( array( 'database' => $version ) ); |
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delete_option( self::OLD_DB_VERSION ); |
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$this->clear_cache(); |
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return $version; |
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} |
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} |
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|
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return ''; |
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} |
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|
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private function get_old_version() { |
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return get_option( self::OLD_DB_VERSION ); |
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} |
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|
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public function check_tables_exist() { |
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$latest = Red_Database::get_latest_database(); |
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$missing = $latest->get_missing_tables(); |
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|
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// No tables installed - do a fresh install |
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if ( count( $missing ) === count( $latest->get_all_tables() ) ) { |
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delete_option( Red_Database_Status::OLD_DB_VERSION ); |
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red_set_options( [ 'database' => '' ] ); |
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$this->clear_cache(); |
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|
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$this->status = self::STATUS_NEED_INSTALL; |
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$this->stop_update(); |
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} elseif ( count( $missing ) > 0 && version_compare( $this->get_current_version(), '2.3.3', 'ge' ) ) { |
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// Some tables are missing - try and fill them in |
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$latest->install(); |
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} |
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} |
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|
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/** |
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* Does the current database support a particular version |
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* |
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* @param string $version Target version |
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* @return bool true if supported, false otherwise |
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*/ |
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public function does_support( $version ) { |
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return version_compare( $this->get_current_version(), $version, 'ge' ); |
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} |
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|
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public function is_error() { |
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return $this->result === self::RESULT_ERROR; |
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} |
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|
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public function set_error( $error ) { |
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global $wpdb; |
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|
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$this->result = self::RESULT_ERROR; |
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$this->reason = str_replace( "\t", ' ', $error ); |
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|
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if ( $wpdb->last_error ) { |
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$this->debug[] = $wpdb->last_error; |
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|
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if ( strpos( $wpdb->last_error, 'command denied to user' ) !== false ) { |
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$this->reason .= ' - ' . __( 'Insufficient database permissions detected. Please give your database user appropriate permissions.', 'redirection' ); |
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} |
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} |
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|
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$latest = Red_Database::get_latest_database(); |
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$this->debug = array_merge( $this->debug, $latest->get_table_schema() ); |
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$this->debug[] = 'Stage: ' . $this->get_current_stage(); |
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} |
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|
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public function set_ok( $reason ) { |
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$this->reason = $reason; |
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$this->result = self::RESULT_OK; |
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$this->debug = []; |
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} |
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|
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/** |
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* Stop current upgrade |
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*/ |
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public function stop_update() { |
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$this->stage = false; |
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$this->stages = []; |
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$this->debug = []; |
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|
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red_set_options( [ self::DB_UPGRADE_STAGE => false ] ); |
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$this->clear_cache(); |
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} |
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|
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public function finish() { |
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$this->stop_update(); |
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|
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if ( $this->status === self::STATUS_NEED_INSTALL ) { |
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$this->status = self::STATUS_FINISHED_INSTALL; |
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} elseif ( $this->status === self::STATUS_NEED_UPDATING ) { |
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$this->status = self::STATUS_FINISHED_UPDATING; |
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} |
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} |
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|
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/** |
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* Get current upgrade stage |
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* @return string|bool Current stage name, or false if not upgrading |
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*/ |
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public function get_current_stage() { |
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return $this->stage; |
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} |
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|
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/** |
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* Move current stage on to the next |
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*/ |
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public function set_next_stage() { |
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$this->debug = []; |
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$stage = $this->get_current_stage(); |
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|
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if ( $stage ) { |
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$stage = $this->get_next_stage( $stage ); |
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|
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// Save next position |
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if ( $stage ) { |
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$this->set_stage( $stage ); |
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} else { |
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$this->finish(); |
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} |
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} |
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} |
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|
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/** |
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* Get current upgrade status |
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* |
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* @return array Database status array |
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*/ |
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public function get_json() { |
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// Base information |
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$result = [ |
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'status' => $this->status, |
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'inProgress' => $this->stage !== false, |
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]; |
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|
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// Add on version status |
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if ( $this->status === self::STATUS_NEED_INSTALL || $this->status === self::STATUS_NEED_UPDATING ) { |
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$result = array_merge( |
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$result, |
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$this->get_version_upgrade(), |
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[ 'manual' => $this->get_manual_upgrade() ] |
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); |
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} |
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|
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// Add on upgrade status |
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if ( $this->is_error() ) { |
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$result = array_merge( $result, $this->get_version_upgrade(), $this->get_progress_status(), $this->get_error_status() ); |
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} elseif ( $result['inProgress'] ) { |
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$result = array_merge( $result, $this->get_progress_status() ); |
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} elseif ( $this->status === self::STATUS_FINISHED_INSTALL || $this->status === self::STATUS_FINISHED_UPDATING ) { |
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$result['complete'] = 100; |
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$result['reason'] = $this->reason; |
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} |
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|
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return $result; |
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} |
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|
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private function get_error_status() { |
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return [ |
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'reason' => $this->reason, |
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'result' => self::RESULT_ERROR, |
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'debug' => $this->debug, |
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]; |
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} |
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|
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private function get_progress_status() { |
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$complete = 0; |
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|
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if ( $this->stage ) { |
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$complete = round( ( array_search( $this->stage, $this->stages, true ) / count( $this->stages ) ) * 100, 1 ); |
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} |
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|
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return [ |
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'complete' => $complete, |
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'result' => self::RESULT_OK, |
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'reason' => $this->reason, |
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]; |
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} |
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|
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private function get_version_upgrade() { |
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return [ |
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'current' => $this->get_current_version() ? $this->get_current_version() : '-', |
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'next' => REDIRECTION_DB_VERSION, |
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'time' => microtime( true ), |
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]; |
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} |
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|
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/** |
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* Set the status information for a database upgrade |
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*/ |
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public function start_install( array $upgrades ) { |
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$this->set_stages( $upgrades ); |
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$this->status = self::STATUS_NEED_INSTALL; |
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} |
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|
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public function start_upgrade( array $upgrades ) { |
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$this->set_stages( $upgrades ); |
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$this->status = self::STATUS_NEED_UPDATING; |
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} |
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|
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private function set_stages( array $upgrades ) { |
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$this->stages = []; |
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|
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foreach ( $upgrades as $upgrade ) { |
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$upgrader = Red_Database_Upgrader::get( $upgrade ); |
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$this->stages = array_merge( $this->stages, array_keys( $upgrader->get_stages() ) ); |
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} |
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|
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if ( count( $this->stages ) > 0 ) { |
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$this->set_stage( $this->stages[0] ); |
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} |
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} |
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|
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public function set_stage( $stage ) { |
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$this->stage = $stage; |
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$this->save_details(); |
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} |
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|
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private function save_details() { |
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$stages = [ |
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self::DB_UPGRADE_STAGE => [ |
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'stage' => $this->stage, |
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'stages' => $this->stages, |
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'status' => $this->status, |
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], |
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]; |
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|
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red_set_options( $stages ); |
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|
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$this->clear_cache(); |
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} |
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|
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private function get_manual_upgrade() { |
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$queries = []; |
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$database = new Red_Database(); |
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$upgraders = $database->get_upgrades_for_version( $this->get_current_version(), false ); |
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|
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foreach ( $upgraders as $upgrade ) { |
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$upgrade = Red_Database_Upgrader::get( $upgrade ); |
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|
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$stages = $upgrade->get_stages(); |
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foreach ( array_keys( $stages ) as $stage ) { |
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$queries = array_merge( $queries, $upgrade->get_queries_for_stage( $stage ) ); |
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} |
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} |
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|
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return $queries; |
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} |
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|
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private function get_next_stage( $stage ) { |
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$database = new Red_Database(); |
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$upgraders = $database->get_upgrades_for_version( $this->get_current_version(), $this->get_current_stage() ); |
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|
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if ( count( $upgraders ) === 0 ) { |
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$upgraders = $database->get_upgrades_for_version( $this->get_current_version(), false ); |
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} |
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|
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$upgrader = Red_Database_Upgrader::get( $upgraders[0] ); |
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|
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// Where are we in this? |
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$pos = array_search( $this->stage, $this->stages, true ); |
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|
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if ( $pos === count( $this->stages ) - 1 ) { |
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$this->save_db_version( REDIRECTION_DB_VERSION ); |
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return false; |
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} |
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|
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// Set current DB version |
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$current_stages = array_keys( $upgrader->get_stages() ); |
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|
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if ( array_search( $this->stage, $current_stages, true ) === count( $current_stages ) - 1 ) { |
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$this->save_db_version( $upgraders[1]['version'] ); |
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} |
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|
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// Move on to next in current version |
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return $this->stages[ $pos + 1 ]; |
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} |
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|
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public function save_db_version( $version ) { |
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red_set_options( array( 'database' => $version ) ); |
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delete_option( self::OLD_DB_VERSION ); |
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|
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$this->clear_cache(); |
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} |
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|
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private function clear_cache() { |
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if ( file_exists( WP_CONTENT_DIR . '/object-cache.php' ) && function_exists( 'wp_cache_flush' ) ) { |
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wp_cache_flush(); |
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} |
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} |
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} |
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|
