LanguageServiceImpl.java

/*
 * Copyright 2026 Global Crop Diversity Trust
 * Licensed under the Apache License, Version 2.0
 * See LICENSE file in project root folder or http://www.apache.org/licenses/LICENSE-2.0
 */

package org.gringlobal.service.impl;

import java.util.List;
import java.util.Locale;

import org.gringlobal.model.QSysLang;
import org.gringlobal.model.SysLang;
import org.gringlobal.persistence.SysLangRepository;
import org.gringlobal.service.LanguageService;

import lombok.extern.slf4j.Slf4j;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

/**
 * The LanguageServiceImpl.
 *
 * @author Matija Obreza
 */
@Service
@Transactional(readOnly = true)
@Slf4j
public class LanguageServiceImpl extends CRUDService2Impl<SysLang, SysLangRepository> implements LanguageService {

	@Override
	@Transactional
	@PreAuthorize("hasAuthority('GROUP_ADMINS')")
	public SysLang create(SysLang source) {
		return createFast(source);
	}

	@Override
	@Transactional
	@PreAuthorize("hasAuthority('GROUP_ADMINS')")
	public SysLang createFast(SysLang source) {
		log.debug("Create SysLang. Input data {}", source);
		SysLang method = new SysLang();
		method.apply(source);

		return repository.save(method);
	}

	@Override
	@Transactional
	@PreAuthorize("hasAuthority('GROUP_ADMINS')")
	public SysLang update(SysLang updated, SysLang target) {
		return updateFast(updated, target);
	}

	@Override
	@Transactional
	@PreAuthorize("hasAuthority('GROUP_ADMINS')")
	public SysLang updateFast(SysLang updated, SysLang target) {
		log.debug("Update SysLang. Input data {}", updated);
		target.apply(updated);

		return repository.save(target);
	}

	@Override
	@Transactional
	@PreAuthorize("hasAuthority('GROUP_ADMINS')")
	public SysLang ensureSysLang(String ietfTag, String iso6393Tag, String title, String description) {
		SysLang existing = this.getLanguage(ietfTag);
		if (existing == null) {
			return this.create(new SysLang(ietfTag, iso6393Tag, title, description));
		} else {
			return existing;
		}
	}

	@Override
	public SysLang getLanguage(String lang) {
		SysLang sysLang = null;
		List<SysLang> languages = repository.findAll();
		for (SysLang sl : languages) {
			if (sysLang == null && sl.getIetfTag().startsWith(lang)) {
				sysLang = sl;
			}
			if (sl.getIetfTag().equalsIgnoreCase(lang)) {
				sysLang = sl;
				break;
			}
		}
		return sysLang;
	}

	@Override
	public SysLang getLanguage(Locale locale) {
		SysLang sysLang = null;
		List<SysLang> languages = repository.findAll();
		for (SysLang sl : languages) {
			if (sysLang == null && sl.getIetfTag().startsWith(locale.getLanguage() + "-")) {
				sysLang = sl;
			}
			if (sl.getIetfTag().equalsIgnoreCase(locale.toLanguageTag())) {
				sysLang = sl;
				break;
			}
		}
		return sysLang;
	}

	@Override
	public Iterable<SysLang> listEnabledLanguages() {
		return repository.findAll(QSysLang.sysLang.isEnabled.eq("Y"), QSysLang.sysLang.ietfTag.asc());
	}
}