package com.dl.common.core.mapper;
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import cn.hutool.core.collection.CollUtil;
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import cn.hutool.core.util.ObjectUtil;
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import com.baomidou.mybatisplus.core.conditions.Wrapper;
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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import com.baomidou.mybatisplus.core.mapper.BaseMapper;
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import com.baomidou.mybatisplus.core.metadata.IPage;
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import com.baomidou.mybatisplus.core.toolkit.*;
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import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
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import com.baomidou.mybatisplus.extension.toolkit.Db;
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import com.dl.common.utils.BeanCopyUtils;
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import org.apache.ibatis.logging.Log;
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import org.apache.ibatis.logging.LogFactory;
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import java.io.Serializable;
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import java.util.Collection;
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import java.util.List;
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import java.util.Map;
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/**
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* 自定义 Mapper 接口, 实现 自定义扩展
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*
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* @param <M> mapper 泛型
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* @param <T> table 泛型
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* @param <V> vo 泛型
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* @author Lion Li
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* @since 2021-05-13
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*/
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@SuppressWarnings("unchecked")
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public interface BaseMapperPlus<M, T, V> extends BaseMapper<T> {
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Log log = LogFactory.getLog(BaseMapperPlus.class);
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default Class<V> currentVoClass() {
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return (Class<V>) ReflectionKit.getSuperClassGenericType(this.getClass(), BaseMapperPlus.class, 2);
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}
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default Class<T> currentModelClass() {
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return (Class<T>) ReflectionKit.getSuperClassGenericType(this.getClass(), BaseMapperPlus.class, 1);
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}
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default Class<M> currentMapperClass() {
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return (Class<M>) ReflectionKit.getSuperClassGenericType(this.getClass(), BaseMapperPlus.class, 0);
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}
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default List<T> selectList() {
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return this.selectList(new QueryWrapper<>());
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}
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/**
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* 批量插入
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*/
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default boolean insertBatch(Collection<T> entityList) {
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return Db.saveBatch(entityList);
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}
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/**
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* 批量更新
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*/
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default boolean updateBatchById(Collection<T> entityList) {
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return Db.updateBatchById(entityList);
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}
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/**
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* 批量插入或更新
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*/
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default boolean insertOrUpdateBatch(Collection<T> entityList) {
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return Db.saveOrUpdateBatch(entityList);
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}
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/**
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* 批量插入(包含限制条数)
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*/
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default boolean insertBatch(Collection<T> entityList, int batchSize) {
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return Db.saveBatch(entityList, batchSize);
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}
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/**
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* 批量更新(包含限制条数)
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*/
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default boolean updateBatchById(Collection<T> entityList, int batchSize) {
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return Db.updateBatchById(entityList, batchSize);
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}
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/**
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* 批量插入或更新(包含限制条数)
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*/
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default boolean insertOrUpdateBatch(Collection<T> entityList, int batchSize) {
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return Db.saveOrUpdateBatch(entityList, batchSize);
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}
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/**
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* 插入或更新(包含限制条数)
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*/
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default boolean insertOrUpdate(T entity) {
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return Db.saveOrUpdate(entity);
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}
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default V selectVoById(Serializable id) {
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return selectVoById(id, this.currentVoClass());
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}
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/**
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* 根据 ID 查询
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*/
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default <C> C selectVoById(Serializable id, Class<C> voClass) {
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T obj = this.selectById(id);
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if (ObjectUtil.isNull(obj)) {
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return null;
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}
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return BeanCopyUtils.copy(obj, voClass);
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}
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default List<V> selectVoBatchIds(Collection<? extends Serializable> idList) {
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return selectVoBatchIds(idList, this.currentVoClass());
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}
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/**
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* 查询（根据ID 批量查询）
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*/
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default <C> List<C> selectVoBatchIds(Collection<? extends Serializable> idList, Class<C> voClass) {
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List<T> list = this.selectBatchIds(idList);
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if (CollUtil.isEmpty(list)) {
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return CollUtil.newArrayList();
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}
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return BeanCopyUtils.copyList(list, voClass);
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}
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default List<V> selectVoByMap(Map<String, Object> map) {
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return selectVoByMap(map, this.currentVoClass());
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}
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/**
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* 查询（根据 columnMap 条件）
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*/
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default <C> List<C> selectVoByMap(Map<String, Object> map, Class<C> voClass) {
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List<T> list = this.selectByMap(map);
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if (CollUtil.isEmpty(list)) {
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return CollUtil.newArrayList();
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}
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return BeanCopyUtils.copyList(list, voClass);
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}
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default V selectVoOne(Wrapper<T> wrapper) {
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return selectVoOne(wrapper, this.currentVoClass());
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}
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/**
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* 根据 entity 条件，查询一条记录
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*/
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default <C> C selectVoOne(Wrapper<T> wrapper, Class<C> voClass) {
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T obj = this.selectOne(wrapper);
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if (ObjectUtil.isNull(obj)) {
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return null;
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}
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return BeanCopyUtils.copy(obj, voClass);
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}
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default List<V> selectVoList(Wrapper<T> wrapper) {
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return selectVoList(wrapper, this.currentVoClass());
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}
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/**
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* 根据 entity 条件，查询全部记录
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*/
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default <C> List<C> selectVoList(Wrapper<T> wrapper, Class<C> voClass) {
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List<T> list = this.selectList(wrapper);
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if (CollUtil.isEmpty(list)) {
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return CollUtil.newArrayList();
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}
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return BeanCopyUtils.copyList(list, voClass);
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}
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default <P extends IPage<V>> P selectVoPage(IPage<T> page, Wrapper<T> wrapper) {
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return selectVoPage(page, wrapper, this.currentVoClass());
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}
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/**
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* 分页查询VO
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*/
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default <C, P extends IPage<C>> P selectVoPage(IPage<T> page, Wrapper<T> wrapper, Class<C> voClass) {
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IPage<T> pageData = this.selectPage(page, wrapper);
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IPage<C> voPage = new Page<>(pageData.getCurrent(), pageData.getSize(), pageData.getTotal());
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if (CollUtil.isEmpty(pageData.getRecords())) {
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return (P) voPage;
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}
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voPage.setRecords(BeanCopyUtils.copyList(pageData.getRecords(), voClass));
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return (P) voPage;
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}
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}
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