| /* |
| * 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.services.sorts; |
| |
| import org.apache.unomi.api.Profile; |
| import org.apache.unomi.api.Session; |
| import org.apache.unomi.api.PersonalizationStrategy; |
| import org.apache.unomi.api.conditions.Condition; |
| import org.apache.unomi.api.services.PersonalizationService; |
| import org.apache.unomi.api.services.ProfileService; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| public class FilterPersonalizationStrategy implements PersonalizationStrategy { |
| |
| private ProfileService profileService; |
| |
| public void setProfileService(ProfileService profileService) { |
| this.profileService = profileService; |
| } |
| |
| @Override |
| public List<String> personalizeList(Profile profile, Session session, PersonalizationService.PersonalizationRequest personalizationRequest) { |
| List<String> sortedContent = new ArrayList<>(); |
| for (PersonalizationService.PersonalizedContent personalizedContent : personalizationRequest.getContents()) { |
| boolean result = true; |
| if (personalizedContent.getFilters() != null) { |
| for (PersonalizationService.Filter filter : personalizedContent.getFilters()) { |
| Condition condition = filter.getCondition(); |
| result &= profileService.matchCondition(condition, profile, session); |
| } |
| } |
| if (result) { |
| sortedContent.add(personalizedContent.getId()); |
| } |
| } |
| |
| String fallback = (String) personalizationRequest.getStrategyOptions().get("fallback"); |
| if (fallback != null && !sortedContent.contains(fallback)) { |
| sortedContent.add(fallback); |
| } |
| |
| return sortedContent; |
| } |
| } |