first commit

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

@@ -0,0 +1,60 @@
+<?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;
+	}
+}