strolch/service/src/main/java/li/strolch/service/notifications/CreateNotificationService.java

105 lines
3.4 KiB
Java

package li.strolch.service.notifications;
import com.google.gson.JsonObject;
import li.strolch.agent.api.StrolchAgent;
import li.strolch.model.ParameterBag;
import li.strolch.model.Resource;
import li.strolch.model.builder.ResourceBuilder;
import li.strolch.model.json.FromFlatJsonVisitor;
import li.strolch.persistence.api.StrolchTransaction;
import li.strolch.runtime.configuration.SupportedLanguage;
import li.strolch.service.JsonServiceArgument;
import li.strolch.service.api.AbstractService;
import li.strolch.service.api.ServiceResult;
import li.strolch.utils.dbc.DBC;
import java.util.Set;
import java.util.stream.Collectors;
import static li.strolch.model.StrolchModelConstants.*;
public class CreateNotificationService extends AbstractService<JsonServiceArgument, ServiceResult> {
@Override
protected ServiceResult getResultInstance() {
return new ServiceResult();
}
@Override
public JsonServiceArgument getArgumentInstance() {
return new JsonServiceArgument();
}
@Override
protected ServiceResult internalDoService(JsonServiceArgument arg) throws Exception {
DBC.PRE.assertNotNull("JsonElement must be set", arg.jsonElement);
DBC.PRE.assertNotNull("JsonElement must be a JsonObject", arg.jsonElement.isJsonObject());
JsonObject jsonObject = arg.jsonElement.getAsJsonObject();
Resource notification = buildNotification(jsonObject, getSupportedLanguages(getAgent()));
try (StrolchTransaction tx = openArgOrUserTx(arg)) {
tx.add(notification);
tx.commitOnClose();
}
return ServiceResult.success();
}
protected static Resource buildNotification(JsonObject jsonObject, Set<String> supportedLanguages) {
DBC.PRE.assertTrue("JsonObject must have languages!", jsonObject.has(PARAM_LANGUAGES));
JsonObject languagesJ = jsonObject.get(PARAM_LANGUAGES).getAsJsonObject();
DBC.PRE.assertNotEmpty("JsonObject must have at least one languages!", languagesJ.keySet());
FromFlatJsonVisitor visitor = new FromFlatJsonVisitor(jsonObject);
visitor.optionalParameter(PARAM_ROLES);
visitor.optionalParameter(PARAM_LOCATIONS);
visitor.optionalParameter(PARAM_FOR_ALL);
Resource notification = newNotification();
notification.accept(visitor);
for (String language : languagesJ.keySet()) {
if (!supportedLanguages.contains(language))
throw new IllegalArgumentException("The agent doesn't support language " + language);
JsonObject languageJ = languagesJ.get(language).getAsJsonObject();
String title = languageJ.get(PARAM_TITLE).getAsString();
String text = languageJ.get(PARAM_TEXT).getAsString();
ParameterBag languageBag = new ParameterBag(language, language, TYPE_TEXT);
languageBag.setString(PARAM_TITLE, title);
languageBag.setString(PARAM_TEXT, text);
notification.addParameterBag(languageBag);
}
return notification;
}
protected static Set<String> getSupportedLanguages(StrolchAgent agent) {
return agent
.getStrolchConfiguration()
.getRuntimeConfiguration()
.getSupportedLanguages()
.stream()
.map(SupportedLanguage::locale)
.collect(Collectors.toSet());
}
protected static Resource newNotification() {
ResourceBuilder notificationBuilder = new ResourceBuilder(TYPE_NOTIFICATION, TYPE_NOTIFICATION)
.bag(BAG_VISIBILITY, TYPE_VISIBILITY)
.date(PARAM_VISIBLE_FROM).end()
.date(PARAM_VISIBLE_TO).end()
.booleanB(PARAM_FOR_ALL).end()
.stringList(PARAM_ROLES).end()
.stringList(PARAM_LOCATIONS).end()
.endBag();
return notificationBuilder.build();
}
}