110 lines
4.4 KiB
Java
110 lines
4.4 KiB
Java
/*
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* Copyright 2024 Robert von Burg <eitch@eitchnet.ch>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package li.strolch.rest.endpoint;
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import com.google.gson.JsonArray;
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import com.google.gson.JsonObject;
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import jakarta.servlet.http.HttpServletRequest;
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import jakarta.ws.rs.GET;
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import jakarta.ws.rs.Path;
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import jakarta.ws.rs.Produces;
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import jakarta.ws.rs.core.Context;
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import jakarta.ws.rs.core.MediaType;
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import jakarta.ws.rs.core.Response;
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import li.strolch.agent.api.StrolchAgent;
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import li.strolch.model.ParameterBag;
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import li.strolch.model.Resource;
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import li.strolch.persistence.api.StrolchTransaction;
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import li.strolch.policy.notifications.NotificationsPolicy;
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import li.strolch.privilege.model.Certificate;
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import li.strolch.rest.RestfulStrolchComponent;
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import li.strolch.rest.helper.ResponseUtil;
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import li.strolch.utils.helper.StringHelper;
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import li.strolch.utils.iso8601.ISO8601;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.util.List;
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import java.util.Objects;
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import java.util.Optional;
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import java.util.function.Function;
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import static java.util.Optional.ofNullable;
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import static li.strolch.model.StrolchModelConstants.*;
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import static li.strolch.privilege.base.PrivilegeConstants.REALM;
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import static li.strolch.rest.StrolchRestfulConstants.*;
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import static li.strolch.runtime.StrolchConstants.StrolchPrivilegeConstants.PRIVILEGE_GET_NOTIFICATIONS;
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import static li.strolch.utils.helper.ExceptionHelper.getCallerMethod;
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import static li.strolch.utils.helper.ExceptionHelper.getCallerMethodNoClass;
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/**
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* @author Robert von Burg <eitch@eitchnet.ch>
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*/
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@Path("strolch/notifications")
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public class NotificationResource {
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private static final Logger logger = LoggerFactory.getLogger(NotificationResource.class);
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private StrolchTransaction openTx(Certificate certificate) {
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String realm = certificate.getRealm();
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if (StringHelper.isEmpty(realm))
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realm = REALM;
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return RestfulStrolchComponent.getInstance().openTx(certificate, realm, getCallerMethod());
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}
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private static Certificate validateCertificate(HttpServletRequest request) {
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Certificate cert = (Certificate) request.getAttribute(STROLCH_CERTIFICATE);
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RestfulStrolchComponent rest = RestfulStrolchComponent.getInstance();
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rest.validate(cert).validateAction(PRIVILEGE_GET_NOTIFICATIONS, getCallerMethodNoClass(2));
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return cert;
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}
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@GET
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@Produces(MediaType.APPLICATION_JSON)
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public Response getNotifications(@Context HttpServletRequest request) {
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Certificate cert = validateCertificate(request);
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try (StrolchTransaction tx = openTx(cert)) {
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List<Resource> notifications = NotificationsPolicy.getDefaultPolicy(tx).findUserNotifications();
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Function<Resource, JsonObject> visitor = notificationToJson(tx.getAgent(), cert);
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return ResponseUtil.toResponse(DATA, notifications.stream().map(visitor).filter(Objects::nonNull).toList());
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} catch (Exception e) {
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logger.error(e.getMessage(), e);
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return ResponseUtil.toResponse(e);
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}
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}
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private static Function<Resource, JsonObject> notificationToJson(StrolchAgent agent, Certificate cert) {
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return notification -> {
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JsonObject notificationJ = new JsonObject();
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String lang = cert.getLocale().getLanguage();
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Optional<ParameterBag> textBagO = ofNullable(notification.getParameterBag(lang))
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.or(() -> ofNullable(notification.getParameterBag(agent.getLocale().getLanguage())))
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.or(() -> notification.streamOfParameterBagsByType(TYPE_TEXT).findFirst());
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if (textBagO.isEmpty())
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return null;
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ParameterBag textBag = textBagO.get();
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notificationJ.addProperty(PARAM_TITLE, textBag.getString(PARAM_TITLE));
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notificationJ.addProperty(PARAM_TEXT, textBag.getString(PARAM_TEXT));
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notificationJ.addProperty(PARAM_VISIBLE_FROM, ISO8601.toString(textBag.getDate(PARAM_VISIBLE_FROM)));
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notificationJ.addProperty(PARAM_VISIBLE_TO, ISO8601.toString(textBag.getDate(PARAM_VISIBLE_TO)));
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return notificationJ;
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};
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}
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}
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