| /* |
| * 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.*; |
| |
| public class ScorePersonalizationStrategy 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<>(); |
| final Map<String,Integer> t = new HashMap<>(); |
| |
| Integer threshold = (Integer) personalizationRequest.getStrategyOptions().get("threshold"); |
| if (threshold == null) { |
| threshold = 1; |
| } |
| |
| for (PersonalizationService.PersonalizedContent personalizedContent : personalizationRequest.getContents()) { |
| int score = 0; |
| |
| String interestList = (String) (personalizedContent.getProperties() != null ? personalizedContent.getProperties().get("interests") : null); |
| if (interestList != null) { |
| Map<String,Integer> interestValues = (Map<String, Integer>) profile.getProperties().get("interests"); |
| for (String interest : interestList.split(" ")) { |
| if (interestValues != null && interestValues.get(interest) != null) { |
| score += interestValues.get(interest); |
| } |
| } |
| } |
| |
| String scoringPlanList = (String) (personalizedContent.getProperties() != null ? personalizedContent.getProperties().get("scoringPlans") : null); |
| if (scoringPlanList != null) { |
| Map<String,Integer> scoreValues = (Map<String, Integer>) profile.getScores(); |
| for (String scoringPlan : scoringPlanList.split(" ")) { |
| if (scoreValues.get(scoringPlan) != null) { |
| score += scoreValues.get(scoringPlan); |
| } else { |
| score++; |
| } |
| } |
| } |
| |
| if (personalizedContent.getFilters() != null) { |
| for (PersonalizationService.Filter filter : personalizedContent.getFilters()) { |
| Condition condition = filter.getCondition(); |
| if (condition != null && condition.getConditionTypeId() != null) { |
| if (profileService.matchCondition(condition, profile, session)) { |
| if (filter.getProperties().get("score") != null) { |
| score += (int) filter.getProperties().get("score"); |
| } else { |
| score += 1; |
| } |
| } |
| } |
| } |
| } |
| if (score >= threshold) { |
| t.put(personalizedContent.getId(), score); |
| sortedContent.add(personalizedContent.getId()); |
| } |
| } |
| Collections.sort(sortedContent, new Comparator<String>() { |
| @Override |
| public int compare(String o1, String o2) { |
| return t.get(o2) - t.get(o1); |
| } |
| }); |
| |
| String fallback = (String) personalizationRequest.getStrategyOptions().get("fallback"); |
| if (fallback != null && !sortedContent.contains(fallback)) { |
| sortedContent.add(fallback); |
| } |
| |
| return sortedContent; |
| } |
| } |