com.liferay.headless.delivery.internal.resource.v1_0.LanguageResourceImpl Maven / Gradle / Ivy

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/**
 * SPDX-FileCopyrightText: (c) 2000 Liferay, Inc. https://liferay.com
 * SPDX-License-Identifier: LGPL-2.1-or-later OR LicenseRef-Liferay-DXP-EULA-2.0.0-2023-06
 */

package com.liferay.headless.delivery.internal.resource.v1_0;

import com.liferay.headless.delivery.dto.v1_0.Language;
import com.liferay.headless.delivery.resource.v1_0.LanguageResource;
import com.liferay.portal.kernel.model.Group;
import com.liferay.portal.kernel.service.GroupService;
import com.liferay.portal.kernel.util.LocaleUtil;
import com.liferay.portal.kernel.util.Localization;
import com.liferay.portal.kernel.util.Validator;
import com.liferay.portal.vulcan.pagination.Page;

import java.util.HashMap;
import java.util.Locale;
import java.util.Map;
import java.util.Objects;
import java.util.Set;

import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.Reference;
import org.osgi.service.component.annotations.ServiceScope;

/**
 * @author Javier Gamarra
 */
@Component(
	properties = "OSGI-INF/liferay/rest/v1_0/language.properties",
	scope = ServiceScope.PROTOTYPE, service = LanguageResource.class
)
public class LanguageResourceImpl extends BaseLanguageResourceImpl {

	@Override
	public Page getAssetLibraryLanguagesPage(Long assetLibraryId)
		throws Exception {

		return getSiteLanguagesPage(assetLibraryId);
	}

	@Override
	public Page getSiteLanguagesPage(Long siteId) throws Exception {
		Set availableLocales = _language.getAvailableLocales(siteId);
		Locale defaultLocale = _getDefaultLocale(siteId);

		return Page.of(
			transform(
				availableLocales,
				availableLocale -> _toLanguage(
					contextAcceptLanguage.isAcceptAllLanguages(),
					availableLocales, defaultLocale, availableLocale,
					contextAcceptLanguage.getPreferredLocale())));
	}

	private Locale _getDefaultLocale(long groupId) throws Exception {
		Group group = _groupService.getGroup(groupId);

		String defaultLanguageId = _localization.getDefaultLanguageId(
			group.getName());

		if (Validator.isNotNull(defaultLanguageId)) {
			return LocaleUtil.fromLanguageId(defaultLanguageId);
		}

		return LocaleUtil.getSiteDefault();
	}

	private Language _toLanguage(
		boolean acceptAllLanguages, Set availableLocales,
		Locale defaultLocale, Locale locale, Locale preferredLocale) {

		return new Language() {
			{
				setCountryName(() -> locale.getDisplayCountry(preferredLocale));
				setCountryName_i18n(
					() -> {
						if (!acceptAllLanguages) {
							return null;
						}

						Map map = new HashMap<>();

						for (Locale availableLocale : availableLocales) {
							map.put(
								LocaleUtil.toBCP47LanguageId(availableLocale),
								locale.getDisplayCountry(availableLocale));
						}

						return map;
					});
				setId(locale::toLanguageTag);
				setMarkedAsDefault(() -> Objects.equals(defaultLocale, locale));
				setName(() -> locale.getDisplayLanguage(preferredLocale));
				setName_i18n(
					() -> {
						if (!acceptAllLanguages) {
							return null;
						}

						Map map = new HashMap<>();

						for (Locale availableLocale : availableLocales) {
							map.put(
								LocaleUtil.toBCP47LanguageId(availableLocale),
								locale.getDisplayLanguage(availableLocale));
						}

						return map;
					});
			}
		};
	}

	@Reference
	private GroupService _groupService;

	@Reference
	private com.liferay.portal.kernel.language.Language _language;

	@Reference
	private Localization _localization;

}