保誠-保戶業務員媒合平台
wayne
2022-02-17 4394e4248455637ab7836756058ac872fdf4af10
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package com.pollex.pam.service;
 
import com.pollex.pam.domain.Consultant;
import com.pollex.pam.service.dto.FastQueryConsultantParam;
import com.pollex.pam.service.dto.StrictQueryConsultantParam;
import org.apache.commons.lang3.StringUtils;
import org.springframework.data.jpa.domain.Specification;
 
import javax.persistence.criteria.*;
import java.util.*;
 
import static com.pollex.pam.consts.SeniorityQueryConst.*;
 
public class ConsultantQuerySpec {
    private ConsultantQuerySpec() {
    }
 
    public static Specification<Consultant> getFastQuerySpec(FastQueryConsultantParam param) {
        return new Specification<Consultant>() {
            @SuppressWarnings("FieldNameHidesFieldInSuperclass")
            private static final long serialVersionUID = 6644524130903161741L;
 
            @Override
            public Predicate toPredicate(Root<Consultant> root, CriteriaQuery<?> query, CriteriaBuilder criteriaBuilder) {
                Set<Predicate> set = new HashSet<>();
 
                param.getCommunicationStyles().forEach((communicationStyle) -> {
                    set.add(criteriaBuilder.like(root.get("communicationStyle"), "%" + communicationStyle + "%"));
                });
 
                if(Objects.nonNull(param.getGender())) {
                    set.add(criteriaBuilder.equal(root.get("gender"), param.getGender()));
                }
 
                if(Objects.nonNull(param.getAvgScore()) && param.getAvgScore().intValue() != 0) {
                    set.add(criteriaBuilder.greaterThanOrEqualTo(root.get("avgScore"), param.getAvgScore().intValue()));
                }
 
                if(StringUtils.isNotEmpty(param.getSeniority()) && !StringUtils.equals(UNLIMITED, param.getSeniority())) {
                    if(YOUNG.equals(param.getSeniority())) {
                        set.add(criteriaBuilder.lessThanOrEqualTo(root.get("seniorityYear"), 5));
                    }
                    else if(SENIOR.equals(param.getSeniority())) {
                        set.add(criteriaBuilder.greaterThan(root.get("seniorityYear"), 5));
                    }
                }
 
                Predicate[] predicates = new Predicate[set.size()];
                predicates = set.toArray(predicates);
                return criteriaBuilder.and(predicates);
            }
        };
    }
 
    public static Specification<Consultant> getStrictQuerySpec(StrictQueryConsultantParam param) {
        return new Specification<Consultant>() {
            @SuppressWarnings("FieldNameHidesFieldInSuperclass")
            private static final long serialVersionUID = 664452413090316174L;
 
            @Override
            public Predicate toPredicate(Root<Consultant> root, CriteriaQuery<?> query, CriteriaBuilder criteriaBuilder) {
                Set<Predicate> set = new HashSet<>();
 
                if(Objects.nonNull(param.getGender())) {
                    set.add(criteriaBuilder.equal(root.get("gender"), param.getGender()));
                }
 
                if(StringUtils.isNotEmpty(param.getArea())) {
                    set.add(criteriaBuilder.like(root.get("serveArea"), "%" + param.getArea() + "%"));
                }
 
                Predicate[] predicates = new Predicate[set.size()];
                predicates = set.toArray(predicates);
                return criteriaBuilder.and(predicates);
            }
        };
    }
}