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+	 * - Re-generate it if it's missing or outdated.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 );
+	}
+}