保誠-保戶業務員媒合平台
wayne
2021-12-08 783f227a8d6962b290ef4a8bc0d0d5e12fc88e4c
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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()));
                }
 
                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(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));
                    }
                }
 
                if(StringUtils.isNotEmpty(param.getArea())) {
                    Predicate predicate1 = criteriaBuilder.like(root.get("serveArea"), "%" + param.getArea() + "%");
                    Predicate predicate2 = criteriaBuilder.like(root.get("serveArea"), "%全台%");
 
                    Predicate finalPredicate = criteriaBuilder.or(predicate1, predicate2);
                    set.add(finalPredicate);
                }
 
                List<String> allRequirements = Objects.nonNull(param.getRequirements()) ? param.getRequirements() : new ArrayList<>();
                if(StringUtils.isNotEmpty(param.getOtherPopularTags())) {
                    allRequirements.add(param.getOtherRequirement());
                }
                allRequirements.forEach(requirement -> set.add(criteriaBuilder.like(root.get("expertise"), "%" + requirement + "%")));
 
                List<String> allPopularTags = Objects.nonNull(param.getPopularTags()) ? param.getPopularTags() : new ArrayList<>();
                if(StringUtils.isNotEmpty(param.getOtherPopularTags())) {
                    allPopularTags.add(param.getOtherPopularTags());
                }
                allPopularTags.forEach(popularTag -> set.add(criteriaBuilder.like(root.get("concept"), "%" + popularTag + "%")));
 
                Predicate[] predicates = new Predicate[set.size()];
                predicates = set.toArray(predicates);
                return criteriaBuilder.and(predicates);
            }
        };
    }
}