Java tutorial
/* * Copyright "Open Digital Education", 2015 * * This program is published by "Open Digital Education". * You must indicate the name of the software and the company in any production /contribution * using the software and indicate on the home page of the software industry in question, * "powered by Open Digital Education" with a reference to the website: https://opendigitaleducation.com/. * * This program is free software, licensed under the terms of the GNU Affero General Public License * as published by the Free Software Foundation, version 3 of the License. * * You can redistribute this application and/or modify it since you respect the terms of the GNU Affero General Public License. * If you modify the source code and then use this modified source code in your creation, you must make available the source code of your modifications. * * You should have received a copy of the GNU Affero General Public License along with the software. * If not, please see : <http://www.gnu.org/licenses/>. Full compliance requires reading the terms of this license and following its directives. */ package org.entcore.archive.services.impl; import fr.wseduc.mongodb.MongoDb; import org.entcore.archive.Archive; import org.entcore.common.storage.Storage; import io.vertx.core.Handler; import io.vertx.core.eventbus.Message; import io.vertx.core.json.JsonArray; import io.vertx.core.json.JsonObject; import java.util.Calendar; import java.util.Date; public class DeleteOldExports implements Handler<Long> { private final MongoDb mongo = MongoDb.getInstance(); private final Storage storage; private final int delay; public DeleteOldExports(Storage storage, int delay) { this.storage = storage; this.delay = delay; } @Override public void handle(Long event) { Calendar c = Calendar.getInstance(); c.setTime(new Date()); c.add(Calendar.HOUR, -delay); final JsonObject query = new JsonObject().put("date", new JsonObject().put("$lt", new JsonObject().put("$date", c.getTime().getTime()))); mongo.find(Archive.ARCHIVES, query, new Handler<Message<JsonObject>>() { @Override public void handle(Message<JsonObject> event) { JsonArray res = event.body().getJsonArray("results"); if ("ok".equals(event.body().getString("status")) && res != null && res.size() > 0) { JsonArray ids = new fr.wseduc.webutils.collections.JsonArray(); for (Object object : res) { if (!(object instanceof JsonObject)) continue; ids.add(((JsonObject) object).getString("file_id")); } storage.removeFiles(ids, new Handler<JsonObject>() { @Override public void handle(JsonObject event) { mongo.delete(Archive.ARCHIVES, query); } }); } } }); } }