first commit

wp-content/plugins/wpml-string-translation/classes/translation-files/Sync/FileSync.php

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+<?php
+
+namespace WPML\ST\TranslationFile\Sync;
+
+use WPML\ST\TranslationFile\Manager;
+use WPML_ST_Translations_File_Locale;
+
+class FileSync {
+
+	/** @var Manager */
+	private $manager;
+
+	/** @var TranslationUpdates */
+	private $translationUpdates;
+
+	/** @var WPML_ST_Translations_File_Locale */
+	private $fileLocale;
+
+	public function __construct(
+		Manager $manager,
+		TranslationUpdates $translationUpdates,
+		WPML_ST_Translations_File_Locale $FileLocale
+	) {
+		$this->manager            = $manager;
+		$this->translationUpdates = $translationUpdates;
+		$this->fileLocale         = $FileLocale;
+	}
+
+	/**
+	 * Before to load the custom translation file, we'll:
+	 * - Re-generate it if it's missing or outdated.
+	 * - Delete it if we don't have custom translations.
+	 *
+	 * We will also sync the custom file when a native file is passed
+	 * because the custom file might never be loaded if it's missing.
+	 *
+	 * @param string|false $filePath
+	 * @param string       $domain
+	 */
+	public function sync( $filePath, $domain ) {
+		if ( ! $filePath ) {
+			return;
+		}
+
+		$locale        = $this->fileLocale->get( $filePath, $domain );
+		$filePath      = $this->getCustomFilePath( $filePath, $domain, $locale );
+		$lastDbUpdate  = $this->translationUpdates->getTimestamp( $domain, $locale );
+		$fileTimestamp = file_exists( $filePath ) ? filemtime( $filePath ) : 0;
+
+		if ( 0 === $lastDbUpdate ) {
+			if ( $fileTimestamp ) {
+				$this->manager->remove( $domain, $locale );
+			}
+		} elseif ( $fileTimestamp < $lastDbUpdate ) {
+			$this->manager->add( $domain, $locale );
+		}
+	}
+
+
+
+	/**
+	 * @param string $filePath
+	 * @param string $domain
+	 * @param string $locale
+	 *
+	 * @return string|null
+	 */
+	private function getCustomFilePath( $filePath, $domain, $locale ) {
+		if ( self::isWpmlCustomFile( $filePath ) ) {
+			return $filePath;
+		}
+
+		return $this->manager->getFilepath( $domain, $locale );
+	}
+
+	/**
+	 * @param string $file
+	 *
+	 * @return bool
+	 */
+	private static function isWpmlCustomFile( $file ) {
+		return 0 === strpos( $file, WP_LANG_DIR . '/' . Manager::SUB_DIRECTORY );
+	}
+}

wp-content/plugins/wpml-string-translation/classes/translation-files/Sync/TranslationUpdates.php

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+<?php
+
+namespace WPML\ST\TranslationFile\Sync;
+
+use WPML\Collect\Support\Collection;
+
+class TranslationUpdates {
+
+	// The global constant is not defined yet.
+	const ICL_STRING_TRANSLATION_COMPLETE = 10;
+
+	/** @var \wpdb */
+	private $wpdb;
+
+	/** @var \WPML_Language_Records */
+	private $languageRecords;
+
+	/** @var null|Collection */
+	private $data;
+
+	public function __construct( \wpdb $wpdb, \WPML_Language_Records $languageRecords ) {
+		$this->wpdb            = $wpdb;
+		$this->languageRecords = $languageRecords;
+	}
+
+	/**
+	 * @param string $domain
+	 * @param string $locale
+	 *
+	 * @return int
+	 */
+	public function getTimestamp( $domain, $locale ) {
+		$this->loadData();
+		$lang = $this->languageRecords->get_language_code( $locale );
+		return (int) $this->data->get( "$lang#$domain" );
+	}
+
+	private function loadData() {
+		if ( ! $this->data ) {
+			$sql = "
+				SELECT
+					CONCAT(st.language,'#',s.context) AS lang_domain,
+					UNIX_TIMESTAMP(MAX(st.translation_date)) as last_update
+				FROM {$this->wpdb->prefix}icl_string_translations AS st
+				INNER JOIN {$this->wpdb->prefix}icl_strings AS s
+					ON st.string_id = s.id
+				WHERE st.value IS NOT NULL AND st.status = %d
+				GROUP BY s.context, st.language;
+			";
+
+			$this->data = wpml_collect(
+				$this->wpdb->get_results( $this->wpdb->prepare( $sql, self::ICL_STRING_TRANSLATION_COMPLETE ) )
+			)->pluck( 'last_update', 'lang_domain' );
+		}
+	}
+
+	public function reset() {
+		$this->data = null;
+	}
+}