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1
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+package com.yoho.search.service.aggregations.impls;
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2
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+
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3
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+import com.yoho.search.base.utils.DateUtil;
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4
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+import com.yoho.search.base.utils.ProductIndexEsField;
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5
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+import com.yoho.search.core.es.agg.AbstractAggregation;
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6
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+import com.yoho.search.models.RecommendPromotionAggVO;
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7
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+import org.elasticsearch.index.query.BoolQueryBuilder;
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8
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+import org.elasticsearch.index.query.QueryBuilders;
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9
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+import org.elasticsearch.search.aggregations.AbstractAggregationBuilder;
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10
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+import org.elasticsearch.search.aggregations.Aggregation;
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11
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+import org.elasticsearch.search.aggregations.AggregationBuilders;
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12
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+import org.elasticsearch.search.aggregations.bucket.filter.InternalFilter;
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13
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+import org.elasticsearch.search.aggregations.bucket.nested.InternalNested;
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14
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+import org.elasticsearch.search.aggregations.bucket.nested.NestedAggregationBuilder;
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15
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+import org.elasticsearch.search.aggregations.bucket.terms.LongTerms;
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16
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+import org.elasticsearch.search.aggregations.bucket.terms.Terms;
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17
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+
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18
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+import java.util.*;
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19
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+import java.util.stream.Collectors;
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20
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+
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21
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+public class PromotionAggregation extends AbstractAggregation {
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22
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+ private static final String TERM_AGGREGATION_NAME = "promotionIdAgg";
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23
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+ private int promotionCount;
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24
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+
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25
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+ public PromotionAggregation(int promotionCount) {
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26
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+ this.promotionCount = promotionCount;
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27
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+ }
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28
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+
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29
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+ public int getPromotionCount() {
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30
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+ return promotionCount;
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31
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+ }
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32
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+
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33
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+ public void setPromotionCount(int promotionCount) {
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34
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+ this.promotionCount = promotionCount;
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35
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+ }
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36
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+
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37
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+ @Override
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38
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+ public String aggName() {
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39
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+ return "promotionAgg";
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40
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+ }
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41
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+
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42
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+ @Override
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43
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+ public String filterName() {
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44
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+ return "cxfilter";
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45
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+ }
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46
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+
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47
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+ @Override
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48
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+ public AbstractAggregationBuilder<?> getBuilder() {
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49
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+ BoolQueryBuilder boolFilter = QueryBuilders.boolQuery();
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50
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+ Date now = new Date();
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51
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+ boolFilter.must(QueryBuilders.rangeQuery(ProductIndexEsField.matchedPromotionsEndTime).gt(DateUtil.setHourSeonds(now, 1, 0, 0)));
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52
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+ boolFilter.must(QueryBuilders.rangeQuery(ProductIndexEsField.matchedPromotionsStartTime).lt(DateUtil.setHourSeonds(now, 0, 0, 0)));
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53
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+ boolFilter.mustNot(QueryBuilders.termsQuery(ProductIndexEsField.matchedPromotionsType, Arrays.asList("Needpaygift")));
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54
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+
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55
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+ AbstractAggregationBuilder<NestedAggregationBuilder> nestedAggregationBuilder =
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56
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+ AggregationBuilders.nested(aggName(), ProductIndexEsField.matchedPromotions)
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57
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+ .subAggregation(AggregationBuilders.filter(filterName(), boolFilter)
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58
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+ .subAggregation(AggregationBuilders.terms(TERM_AGGREGATION_NAME).field(ProductIndexEsField.matchedPromotionsId).size(getPromotionCount()).order(Terms.Order.aggregation("priority", false))
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59
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+ .subAggregation(AggregationBuilders.max("priority").field("matchedPromotions.priority"))));
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60
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+
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61
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+
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62
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+ return nestedAggregationBuilder;
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63
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+ }
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64
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+
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65
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+ @Override
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66
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+ public Object getAggregationResponseMap(Map<String, Aggregation> aggMaps) {
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67
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+ InternalNested aggregation = (InternalNested) aggMaps.get(aggName());
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68
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+ if(aggregation.getAggregations().asList().isEmpty()){
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69
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+ return new ArrayList<RecommendPromotionAggVO>();
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70
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+ }
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71
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+ InternalFilter filter = (InternalFilter)aggregation.getAggregations().asList().get(0);
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72
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+ List<LongTerms.Bucket> longTerms = ((LongTerms)filter.getAggregations().asList().get(0)).getBucketsInternal();
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73
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+ List<Integer> ids = longTerms.stream().map(e -> e.getKeyAsNumber().intValue()).collect(Collectors.toList());
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74
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+ if(ids==null || ids.isEmpty()){
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75
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+ return null;
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76
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+ }
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77
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+ return ids;
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78
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+ }
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79
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+} |