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<?php |
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namespace YayMail\Models; |
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|
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use YayMail\Migrations\AbstractMigration; |
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use YayMail\Utils\SingletonTrait; |
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use YayMail\Utils\Logger; |
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use YayMail\Migrations\MainMigration; |
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use YayMail\Migrations\MigrationHelper; |
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|
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/** |
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* Migration Model |
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* |
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* @method static MigrationModel get_instance() |
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*/ |
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class MigrationModel { |
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use SingletonTrait; |
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|
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/** @var Logger */ |
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private $logger; |
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|
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private function __construct() { |
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$this->logger = new Logger(); |
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} |
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|
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/** |
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* Safely unserialize values coming from backup/import data. |
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* |
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* @param mixed $value The value to unserialize. |
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* @return mixed |
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*/ |
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private function safe_maybe_unserialize( $value ) { |
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if ( ! is_string( $value ) ) { |
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return $value; |
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} |
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|
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if ( ! function_exists( 'is_serialized' ) || ! is_serialized( $value ) ) { |
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return $value; |
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} |
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|
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$unserialized = @unserialize( $value, [ 'allowed_classes' => false ] ); |
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|
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if ( false === $unserialized && 'b:0;' !== $value ) { |
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return $value; |
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} |
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|
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if ( is_object( $unserialized ) ) { |
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return $value; |
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} |
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|
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return $unserialized; |
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} |
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|
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public function get_onload_data() { |
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return [ |
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'required_migrations' => $this->get_required_migration_names(), |
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'backups' => $this->get_backups(), |
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]; |
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} |
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|
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public function migrate() { |
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$is_migration_succeeded = MainMigration::get_instance()->migrate(); |
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if ( ! $is_migration_succeeded ) { |
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throw new \Exception( esc_html__( 'Migration failed, please contact our Customer Support for help!', 'yaymail' ), 500 ); |
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} |
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return [ 'is_critical_migration_required' => $this->check_if_critical_migration_required() ]; |
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} |
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|
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/** |
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* Restore backup to a specific version |
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* |
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* @param array $backup Backup data containing posts, postmeta, options, metadata, and version. |
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* |
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* @return array Returns array with 'is_critical_migration_required' boolean flag. |
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* @throws \Exception When backup doesn't exist or restoration fails. |
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*/ |
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public function reset( $backup ) { |
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global $wpdb; |
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|
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if ( ! $backup || ! $backup['version'] || ! $backup['name'] ) { |
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throw new \Exception( 'Back up does not exist', 500 ); |
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} |
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|
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try { |
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$backup_name = $backup['name']; |
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$version = $backup['version']; |
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|
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$wpdb->query( 'START TRANSACTION' ); |
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$this->logger->log( '***** Start reset transaction ****' ); |
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$this->logger->log( "Backup name: $backup_name" ); |
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|
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// Get IDs of posts to be deleted |
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$post_ids_to_delete = $wpdb->get_col( |
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$wpdb->prepare( |
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"SELECT ID FROM {$wpdb->posts} WHERE post_type = %s", |
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'yaymail_template' |
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) |
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); |
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if ( $post_ids_to_delete ) { |
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// Delete current post meta data |
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$delete_postmeta_query = sprintf( |
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"DELETE FROM {$wpdb->postmeta} WHERE post_id IN (%s)", |
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implode( ',', array_map( 'intval', $post_ids_to_delete ) ) |
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); |
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$this->logger->log( $delete_postmeta_query ); |
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$wpdb->query( $delete_postmeta_query );// phpcs:ignore |
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|
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// Delete the posts |
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$delete_template_posts_query = sprintf( |
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"DELETE FROM {$wpdb->posts} WHERE ID IN (%s)", |
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implode( ',', array_map( 'intval', $post_ids_to_delete ) ) |
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); |
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$this->logger->log( $delete_template_posts_query ); |
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$wpdb->query( $delete_template_posts_query );// phpcs:ignore |
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} |
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|
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$delete_template_posts_query = $wpdb->prepare( |
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"DELETE FROM {$wpdb->posts} WHERE post_type = %s", |
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'yaymail_template' |
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); |
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$this->logger->log( $delete_template_posts_query ); |
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$wpdb->query( $delete_template_posts_query );// phpcs:ignore |
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|
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// Restore the backed-up posts |
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$backed_up_posts = $backup['posts']; |
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$backed_up_postmeta = $backup['postmeta']; |
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foreach ( $backed_up_posts as $post ) { |
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if ( ! isset( $post->post_type ) || 'yaymail_template' !== $post->post_type ) { |
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continue; |
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} |
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$wpdb->insert( |
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$wpdb->posts, |
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[ |
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'post_author' => $post->post_author, |
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'post_date' => $post->post_date, |
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'post_date_gmt' => $post->post_date_gmt, |
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'post_content' => $post->post_content, |
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'post_title' => $post->post_title, |
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'post_excerpt' => $post->post_excerpt, |
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'post_status' => $post->post_status, |
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'comment_status' => $post->comment_status, |
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'ping_status' => $post->ping_status, |
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'post_password' => $post->post_password, |
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'post_name' => $post->post_name, |
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'to_ping' => $post->to_ping, |
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'pinged' => $post->pinged, |
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'post_modified' => $post->post_modified, |
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'post_modified_gmt' => $post->post_modified_gmt, |
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'post_content_filtered' => $post->post_content_filtered, |
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'post_parent' => $post->post_parent, |
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'guid' => $post->guid, |
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'menu_order' => $post->menu_order, |
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'post_type' => $post->post_type, |
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'post_mime_type' => $post->post_mime_type, |
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'comment_count' => $post->comment_count, |
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] |
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); |
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|
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// Insert post meta data |
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$inserted_post_id = $wpdb->insert_id; |
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$postmetas_for_current_post = array_filter( |
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$backed_up_postmeta, |
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function( $postmeta ) use ( $post ) { |
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return $postmeta->post_id === $post->ID; |
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} |
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); |
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if ( ! empty( $postmetas_for_current_post ) ) { |
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foreach ( $postmetas_for_current_post as $postmeta ) { |
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if ( ! isset( $postmeta->meta_key ) || strpos( (string) $postmeta->meta_key, 'yaymail' ) === false ) { |
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continue; |
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} |
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add_post_meta( |
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$inserted_post_id, |
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$postmeta->meta_key, |
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$this->safe_maybe_unserialize( $postmeta->meta_value ) |
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); |
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} |
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} |
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}//end foreach |
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|
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// Restore backed-up options |
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foreach ( $backup['options'] as $option ) { |
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// Only restore options that belong to YayMail (same pattern as export) |
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if ( strpos( $option->option_name, 'yaymail' ) !== false ) { |
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update_option( $option->option_name, $this->safe_maybe_unserialize( $option->option_value ) ); |
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} |
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} |
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|
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// Remove the succeeded migration log from db |
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$successful_migrations = get_option( AbstractMigration::SUCCESSFUL_MIGRATIONS, null ); |
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$removed_migrations = []; |
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if ( ! empty( $successful_migrations ) ) { |
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$filtered_successful_migrations = array_filter( |
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$successful_migrations, |
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function( $migration ) use ( $version, $backup ) { |
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$backup_date = new \DateTime( $backup['created_date'], wp_timezone() ); |
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$migration_date = new \DateTime( $migration['created_date'], wp_timezone() ); |
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$should_remove = $migration_date >= $backup_date; |
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|
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return ! $should_remove; |
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} |
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); |
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|
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update_option( AbstractMigration::SUCCESSFUL_MIGRATIONS, $filtered_successful_migrations ); |
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$removed_migrations = array_udiff( |
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$successful_migrations, |
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$filtered_successful_migrations, |
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function( $a, $b ) { |
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return strcmp( serialize( $a ), serialize( $b ) ); |
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} |
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); |
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}//end if |
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|
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// Restore core version |
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update_option( 'yaymail_version', $version ); |
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wp_cache_delete( 'yaymail_version', 'options' ); |
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|
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// Restore addon versions |
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$addon_versions = get_option( 'yaymail_addon_versions', [] ); |
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$restored_addon_versions = array_filter( |
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$addon_versions, |
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function( $addon_version, $addon_namespace ) use ( $removed_migrations ) { |
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foreach ( $removed_migrations as $migration ) { |
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if ( ! empty( $migration['addon_namespace'] ) && $migration['addon_namespace'] === $addon_namespace && version_compare( $addon_version, $migration['to_version'], '<=' ) ) { |
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return false; |
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} |
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} |
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return true; |
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}, |
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ARRAY_FILTER_USE_BOTH |
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); |
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update_option( 'yaymail_addon_versions', $restored_addon_versions ); |
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|
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do_action( 'yaymail_before_reset_migration_commit', $backup, $removed_migrations ); |
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|
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$wpdb->query( 'COMMIT' ); |
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$this->logger->log( '***** Finish reset transaction ****' ); |
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$this->logger->log( "$backup_name restored successfully!" ); |
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|
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return [ 'is_critical_migration_required' => $this->check_if_critical_migration_required() ]; |
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|
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} catch ( \Exception $e ) { |
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$wpdb->query( 'ROLLBACK' ); |
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$this->logger->log( '***** Transaction rolled back. ' . $e->getMessage() ); |
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throw new \Exception( esc_html__( 'Restoration failed', 'yaymail' ), 500 ); |
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}//end try |
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} |
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|
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public function check_if_critical_migration_required() { |
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$old_version = get_option( 'yaymail_version' ); |
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if ( $old_version ) { |
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return version_compare( $old_version, '4.0.0', '<' ); |
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} |
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return false; |
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} |
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|
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private function get_required_migration_names() { |
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$old_version = MigrationHelper::format_version_number( get_option( 'yaymail_version' ) ); |
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$new_version = MigrationHelper::format_version_number( yaymail_version() ); |
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$successful_migrations = get_option( AbstractMigration::SUCCESSFUL_MIGRATIONS, [] ); |
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|
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// If freshly installed or already on latest version with no migrations needed |
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if ( ( version_compare( $old_version, $new_version, '>=' ) && empty( $successful_migrations ) ) ) { |
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return apply_filters( 'yaymail_required_migration_names', [] ); |
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} |
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|
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$args = [ |
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'post_type' => 'yaymail_template', |
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'post_status' => 'any', |
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'posts_per_page' => -1, |
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]; |
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|
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$query = new \WP_Query( $args ); |
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|
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$has_yaymail_template = $query->have_posts(); |
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if ( ( $old_version == null && ! $has_yaymail_template ) && empty( $successful_migrations ) ) { |
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return []; |
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} |
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|
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// Check if any migrations have already been run up to current version |
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foreach ( $successful_migrations as $migration ) { |
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if ( empty( $migration['addon_namespace'] ) && version_compare( $migration['to_version'], yaymail_version(), '>=' ) ) { |
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return apply_filters( 'yaymail_required_migration_names', [] ); |
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} |
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} |
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|
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// Get available migrations that need to be run |
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$core_migrations = MainMigration::CORE_MIGRATIONS; |
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$filtered_migrations = MigrationHelper::filter_migrations( $core_migrations, $old_version, $new_version ); |
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|
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$needed_migrations = empty( $filtered_migrations ) ? [] : [ 'YayMail' ]; |
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|
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return apply_filters( 'yaymail_required_migration_names', $needed_migrations ); |
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} |
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|
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private function get_backups() { |
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global $wpdb; |
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|
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$backup_prefix = AbstractMigration::BACKUP_PREFIX; |
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|
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$backup_options_query = $wpdb->prepare( |
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"SELECT option_name, option_value FROM {$wpdb->options} WHERE option_name LIKE %s", |
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$backup_prefix . '%' |
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); |
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$backups_result = $wpdb->get_results( $backup_options_query );// phpcs:ignore |
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|
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$backups = []; |
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foreach ( $backups_result as $backup ) { |
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$data = $this->safe_maybe_unserialize( $backup->option_value ); |
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$backups[] = [ |
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'created_date' => $data['created_date'] ?? 'created_date not found', |
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'name' => $backup->option_name ?? 'backup name not found', |
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]; |
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} |
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|
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return $backups; |
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} |
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} |
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|
