refactor progress

packages/locale/src/LocaleService.tsx

@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2026 Fluxer Contributors
+ *
+ * This file is part of Fluxer.
+ *
+ * Fluxer is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Fluxer is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+import type {LocaleCode} from '@fluxer/constants/src/Locales';
+import {
+	getLocaleByCode,
+	getLocaleDisplayName,
+	getLocaleFlagCode,
+	getLocaleLanguageCode,
+} from '@fluxer/locale/src/catalog/LocaleCatalog';
+import {resolveLocaleFromAcceptLanguageHeader} from '@fluxer/locale/src/resolution/AcceptLanguageNegotiation';
+
+export interface LocaleMetadata {
+	code: LocaleCode;
+	languageCode: string;
+	name: string;
+	flagCode: string;
+}
+
+export function getLocaleMetadata(locale: LocaleCode): LocaleMetadata {
+	return {
+		code: locale,
+		languageCode: getLocaleLanguageCode(locale),
+		name: getLocaleDisplayName(locale),
+		flagCode: getLocaleFlagCode(locale),
+	};
+}
+
+export function getLocaleName(locale: LocaleCode): string {
+	return getLocaleDisplayName(locale);
+}
+
+export function getFlagCode(locale: LocaleCode): string {
+	return getLocaleFlagCode(locale);
+}
+
+export function getLocaleFromCode(code: string): LocaleCode | null {
+	return getLocaleByCode(code);
+}
+
+export function getLocaleCode(locale: LocaleCode): string {
+	return getLocaleLanguageCode(locale);
+}
+
+export function parseAcceptLanguage(acceptLanguageHeader: string | null | undefined): LocaleCode {
+	return resolveLocaleFromAcceptLanguageHeader(acceptLanguageHeader);
+}