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1
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+package com.yoho.search.consumer.suggests.discover;
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2
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+
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3
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+import com.yoho.search.base.utils.ISearchConstants;
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4
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+import com.yoho.search.consumer.index.common.IYohoIndexService;
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+import com.yoho.search.consumer.service.base.ProductSortService;
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+import com.yoho.search.consumer.suggests.common.KeywordType;
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+import com.yoho.search.core.es.model.SearchParam;
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+import com.yoho.search.core.es.model.SearchResult;
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+import com.yoho.search.dal.model.ProductSort;
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+import org.apache.commons.collections.CollectionUtils;
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+import org.apache.commons.lang.StringUtils;
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+import org.elasticsearch.index.query.QueryBuilders;
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+import org.elasticsearch.search.aggregations.AggregationBuilders;
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+import org.elasticsearch.search.aggregations.bucket.MultiBucketsAggregation;
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+import org.springframework.beans.factory.annotation.Autowired;
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+import org.springframework.stereotype.Component;
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+
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+import java.util.*;
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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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+/**
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+ * 【颜色+品类】的搜索建议词，如【白色 卫衣】
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+ * Created by ginozhang on 2017/3/20.
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+ */
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+@Component
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+public class SortNameWithColorSuggestionDiscoverer extends AbstractSuggestionDiscoverer {
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+
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+ @Autowired
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+ private ProductSortService productSortService;
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+
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31
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+ @Autowired
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+ private IYohoIndexService yohoIndexService;
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+
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34
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+ @Override
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35
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+ public int count() {
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36
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+ // 品类不多 一把捞了
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+ return 1;
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+ }
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39
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+
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40
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+ @Override
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+ public Set<String> getSuggestWordSet(int pageNo, int batchSize) {
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+ Set<String> keywordSet = new HashSet<>(batchSize);
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+ List<ProductSort> productSortList = productSortService.getPageLists(0, 5000);
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+ if (CollectionUtils.isEmpty(productSortList)) {
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+ return keywordSet;
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+ }
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+
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+ SearchParam searchParam = new SearchParam();
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+ searchParam.setSize(0);
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+ searchParam.setFiter(QueryBuilders.termsQuery("status", 1));
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+ searchParam.addAbstractAggregationBuilder(AggregationBuilders.terms("smallSortAgg").field("smallSortId").size(100)
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+ .subAggregation(AggregationBuilders.terms("colorNameAgg").field("colorNames").size(10))
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+ .subAggregation(AggregationBuilders.terms("styleAgg").field("style").size(10)));
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+ SearchResult searchResult = yohoIndexService.search(ISearchConstants.INDEX_NAME_PRODUCT_INDEX, searchParam);
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+ if (searchResult != null && searchResult.getAggMaps() != null && searchResult.getAggMaps().get("smallSortAgg") != null) {
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+ Map<Integer, String> sortNameMap = productSortList.stream().filter(sort -> StringUtils.isNotEmpty(sort.getSortName()))
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+ .collect(Collectors.toMap(ProductSort::getId, ProductSort::getSortName));
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+
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+ MultiBucketsAggregation aggregation = (MultiBucketsAggregation) searchResult.getAggMaps().get("smallSortAgg");
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+ Iterator<? extends MultiBucketsAggregation.Bucket> bucketIterator = aggregation.getBuckets().iterator();
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+ while (bucketIterator.hasNext()) {
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+ MultiBucketsAggregation.Bucket brandBucket = bucketIterator.next();
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+ Integer smallSortId = Integer.valueOf(brandBucket.getKeyAsString());
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64
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+ if (!sortNameMap.containsKey(smallSortId)) {
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+ continue;
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+ }
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+
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+ String sortName = sortNameMap.get(smallSortId);
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+ if (brandBucket.getAggregations() != null && brandBucket.getAggregations().get("colorNameAgg") != null) {
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+ MultiBucketsAggregation colorNameAgg = brandBucket.getAggregations().get("colorNameAgg");
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+ Iterator<? extends MultiBucketsAggregation.Bucket> colorNameBucketIterator = colorNameAgg.getBuckets().iterator();
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+ while (colorNameBucketIterator.hasNext()) {
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+ MultiBucketsAggregation.Bucket colorNameBucket = colorNameBucketIterator.next();
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+ String colorName = colorNameBucket.getKeyAsString();
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+ if (StringUtils.isNotEmpty(colorName) && colorName.length() > 1) {
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+ for (String itemName : sortName.split("\\/")) {
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+ keywordSet.add(colorName + " " + itemName);
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+ }
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79
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+ }
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80
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+ }
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81
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+ }
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82
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+
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83
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+ if (brandBucket.getAggregations() != null && brandBucket.getAggregations().get("styleAgg") != null) {
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84
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+ MultiBucketsAggregation styleAgg = brandBucket.getAggregations().get("styleAgg");
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85
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+ Iterator<? extends MultiBucketsAggregation.Bucket> styleBucketIterator = styleAgg.getBuckets().iterator();
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86
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+ while (styleBucketIterator.hasNext()) {
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87
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+ MultiBucketsAggregation.Bucket styleBucket = styleBucketIterator.next();
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88
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+ String styleName = styleBucket.getKeyAsString();
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89
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+ if (StringUtils.isNotEmpty(styleName) && styleName.length() > 1) {
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90
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+ for (String itemName : sortName.split("\\/")) {
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91
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+ keywordSet.add(styleName + " " + itemName);
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92
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+ }
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93
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+ }
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94
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+ }
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95
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+ }
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96
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+ }
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97
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+ }
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98
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+
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99
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+ return keywordSet;
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100
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+ }
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101
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+
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102
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+ @Override
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103
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+ public KeywordType getKeywordType() {
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104
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+ return KeywordType.SortNameWithOtherDetail;
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105
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+ }
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106
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+} |
