BookRepositoryImpl.java

/* ... */
2public class BookRepositoryImpl implements BookRepositoryCustom {
3
4  private final MongoTemplate mongoTemplate;
5
6  @Autowired
7  public BookRepositoryImpl(MongoTemplate mongoTemplate) {
8    this.mongoTemplate = mongoTemplate;
9  }
10
11  @Override
12  public List<Book> query(DynamicQuery dynamicQuery) {
13    final Query query = new Query();
14    final List<Criteria> criteria = new ArrayList<>();
15    if(dynamicQuery.getAuthorNameLike() != null) {
16      criteria.add(Criteria.where("authorNames").regex(MongoRegexCreator.INSTANCE.toRegularExpression(
17        dynamicQuery.getAuthorNameLike(), Part.Type.CONTAINING
18      ), "i"));
19    }
20    if(dynamicQuery.getPublishDateBefore() != null) {
21      criteria.add(Criteria.where("publishDate").lte(dynamicQuery.getPublishDateBefore()));
22    }
23    if(dynamicQuery.getPublishDateAfter() != null) {
24      criteria.add(Criteria.where("publishDate").gte(dynamicQuery.getPublishDateAfter()));
25    }
26    if(dynamicQuery.getSubject() != null) {
27      criteria.add(Criteria.where("subjects").regex(MongoRegexCreator.INSTANCE.toRegularExpression(
28        dynamicQuery.getSubject(), Part.Type.SIMPLE_PROPERTY
29      ), "i"));
30    }
31    if(!criteria.isEmpty()) {
32      query.addCriteria(new Criteria().andOperator(criteria.toArray(new Criteria[criteria.size()])));
33    }
34    return mongoTemplate.find(query, Book.class);
35  }
36
37}