package cn.exrick.xboot.core.serviceimpl;
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import cn.exrick.xboot.core.dao.RoleDao;
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import cn.exrick.xboot.core.entity.Role;
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import cn.exrick.xboot.core.service.RoleService;
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import cn.hutool.core.util.StrUtil;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.data.domain.Page;
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import org.springframework.data.domain.Pageable;
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import org.springframework.data.jpa.domain.Specification;
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import org.springframework.lang.Nullable;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import javax.persistence.criteria.*;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* 角色接口实现
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* @author Exrickx
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*/
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@Slf4j
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@Service
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@Transactional
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public class RoleServiceImpl implements RoleService {
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@Autowired
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private RoleDao roleDao;
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@Override
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public RoleDao getRepository() {
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return roleDao;
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}
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@Override
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public List<Role> findByDefaultRole(Boolean defaultRole) {
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return roleDao.findByDefaultRole(defaultRole);
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}
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@Override
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public Page<Role> findByCondition(String key, Pageable pageable) {
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return roleDao.findAll(new Specification<Role>() {
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@Nullable
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@Override
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public Predicate toPredicate(Root<Role> root, CriteriaQuery<?> cq, CriteriaBuilder cb) {
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Path<String> nameField = root.get("name");
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Path<String> descriptionField = root.get("description");
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List<Predicate> list = new ArrayList<>();
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// 模糊搜素
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if (StrUtil.isNotBlank(key)) {
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Predicate p1 = cb.like(nameField, '%' + key + '%');
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Predicate p2 = cb.like(descriptionField, '%' + key + '%');
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list.add(cb.or(p1, p2));
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}
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Predicate[] arr = new Predicate[list.size()];
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cq.where(list.toArray(arr));
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return null;
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}
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}, pageable);
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}
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}
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