| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.unomi.plugins.baseplugin.actions; |
| |
| import org.apache.unomi.api.Event; |
| import org.apache.unomi.api.Profile; |
| import org.apache.unomi.api.actions.Action; |
| import org.apache.unomi.api.actions.ActionExecutor; |
| import org.apache.unomi.api.services.EventService; |
| import org.apache.unomi.persistence.spi.PropertyHelper; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.text.DateFormat; |
| import java.text.ParseException; |
| import java.text.SimpleDateFormat; |
| import java.util.Date; |
| import java.util.TimeZone; |
| |
| /** |
| * This action is used to calculate the firstVisit, lastVisit and previousVisit date properties on the profile |
| * Depending on the event timestamp it will adjust one or multiples of this properties accordingly to the logical chronology. |
| */ |
| public class EvaluateVisitPropertiesAction implements ActionExecutor { |
| private static final Logger logger = LoggerFactory.getLogger(EvaluateVisitPropertiesAction.class.getName()); |
| |
| public int execute(Action action, Event event) { |
| SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'"); |
| dateFormat.setTimeZone(TimeZone.getTimeZone("UTC")); |
| |
| Date currentEventTimeStamp = event.getTimeStamp(); |
| Date currentProfileFirstVisit = extractDateFromProperty(event.getProfile(), "firstVisit", dateFormat); |
| Date currentProfilePreviousVisit = extractDateFromProperty(event.getProfile(), "previousVisit", dateFormat); |
| Date currentProfileLastVisit = extractDateFromProperty(event.getProfile(), "lastVisit", dateFormat); |
| |
| int result = EventService.NO_CHANGE; |
| |
| if (currentProfileFirstVisit == null || currentProfileFirstVisit.after(currentEventTimeStamp)) { |
| // event < firstVisit < previousVisit < lastVisit. we need to update firstVisit |
| result = PropertyHelper.setProperty(event.getProfile(), "properties.firstVisit", dateFormat.format(currentEventTimeStamp), "alwaysSet") ? |
| EventService.PROFILE_UPDATED : result; |
| } |
| |
| if (currentProfileLastVisit == null || currentProfileLastVisit.before(currentEventTimeStamp)) { |
| // firstVisit < previousVisit < lastVisit < event. we need to update lastVisit and previousVisit |
| if (PropertyHelper.setProperty(event.getProfile(), "properties.lastVisit", dateFormat.format(currentEventTimeStamp), "alwaysSet")) { |
| result = EventService.PROFILE_UPDATED; |
| |
| if (currentProfileLastVisit != null) { |
| PropertyHelper.setProperty(event.getProfile(), "properties.previousVisit", dateFormat.format(currentProfileLastVisit), "alwaysSet"); |
| } |
| } |
| } else if (currentProfilePreviousVisit != null && currentProfilePreviousVisit.before(currentEventTimeStamp)) { |
| // firstVisit < previousVisit < event < lastVisit. we need to update previousVisit |
| result = PropertyHelper.setProperty(event.getProfile(), "properties.previousVisit", dateFormat.format(currentEventTimeStamp), "alwaysSet") ? |
| EventService.PROFILE_UPDATED : result; |
| } |
| |
| return result; |
| } |
| |
| private Date extractDateFromProperty(Profile profile, String propertyName, DateFormat dateFormat) { |
| Object property = profile.getProperties().get(propertyName); |
| Date date = null; |
| try { |
| if (property != null) { |
| if (property instanceof String) { |
| date = dateFormat.parse((String) property); |
| } else if (property instanceof Date) { |
| date = (Date) property; |
| } else { |
| date = dateFormat.parse(property.toString()); |
| } |
| } |
| } catch (ParseException e) { |
| logger.error("Error parsing {} date property. See debug log level for more information", propertyName); |
| if (logger.isDebugEnabled()) { |
| logger.debug("Error parsing date: {}, on profile: {}", property, profile.getItemId(), e); |
| } |
| } |
| |
| return date; |
| } |
| } |