first commit

wp-content/plugins/wpml-string-translation/classes/Troubleshooting/Cleanup/Database.php

@@ -0,0 +1,81 @@
+<?php
+
+namespace WPML\ST\Troubleshooting\Cleanup;
+
+use wpdb;
+use WPML_ST_Translations_File_Dictionary;
+
+class Database {
+
+	/** @var wpdb $wpdb */
+	private $wpdb;
+
+	/** @var WPML_ST_Translations_File_Dictionary $dictionary */
+	private $dictionary;
+
+	public function __construct(
+		wpdb $wpdb,
+		WPML_ST_Translations_File_Dictionary $dictionary
+	) {
+		$this->wpdb       = $wpdb;
+		$this->dictionary = $dictionary;
+	}
+
+	public function deleteStringsFromImportedMoFiles() {
+		$moDomains = $this->dictionary->get_domains( 'mo' );
+
+		if ( ! $moDomains ) {
+			return;
+		}
+
+		$this->deleteOnlyNativeMoStringTranslations( $moDomains );
+		$this->deleteMoStringsWithNoTranslation( $moDomains );
+		icl_update_string_status_all();
+		$this->optimizeStringTables();
+	}
+
+	private function deleteOnlyNativeMoStringTranslations( array $moDomains ) {
+		$this->wpdb->query(
+			"
+			DELETE st FROM {$this->wpdb->prefix}icl_string_translations AS st
+			LEFT JOIN {$this->wpdb->prefix}icl_strings AS s
+				ON st.string_id = s.id
+			WHERE st.value IS NULL AND s.context IN(" . wpml_prepare_in( $moDomains ) . ')
+		'
+		);
+	}
+
+	private function deleteMoStringsWithNoTranslation( array $moDomains ) {
+		$this->wpdb->query(
+			"
+			DELETE s FROM {$this->wpdb->prefix}icl_strings AS s
+			LEFT JOIN {$this->wpdb->prefix}icl_string_translations AS st
+				ON st.string_id = s.id
+			WHERE st.string_id IS NULL AND s.context IN(" . wpml_prepare_in( $moDomains ) . ')
+		'
+		);
+	}
+
+	private function optimizeStringTables() {
+			$this->wpdb->query( "OPTIMIZE TABLE {$this->wpdb->prefix}icl_strings, {$this->wpdb->prefix}icl_string_translations" );
+	}
+
+	public function truncatePagesAndUrls() {
+		foreach ( [ 'icl_string_pages', 'icl_string_urls' ] as $table ) {
+			$table = $this->wpdb->prefix . $table;
+
+			if ( $this->tableExists( $table ) ) {
+				$this->wpdb->query( "TRUNCATE $table" );
+			}
+		}
+	}
+
+	/**
+	 * @param string $table
+	 *
+	 * @return bool
+	 */
+	private function tableExists( $table ) {
+		return (bool) $this->wpdb->get_var( $this->wpdb->prepare( 'SHOW TABLES LIKE %s', $table ) );
+	}
+}