package com.iailab.framework.mybatis.core.mapper;
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import cn.hutool.core.collection.CollUtil;
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import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
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import com.iailab.framework.common.pojo.PageParam;
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import com.iailab.framework.common.pojo.PageResult;
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import com.iailab.framework.common.pojo.SortablePageParam;
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import com.iailab.framework.common.pojo.SortingField;
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import com.iailab.framework.mybatis.core.enums.SqlConstants;
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import com.iailab.framework.mybatis.core.util.MyBatisUtils;
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import com.baomidou.mybatisplus.annotation.DbType;
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import com.baomidou.mybatisplus.core.conditions.Wrapper;
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import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
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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.support.SFunction;
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import com.baomidou.mybatisplus.extension.toolkit.Db;
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import com.github.yulichang.base.MPJBaseMapper;
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import com.github.yulichang.interfaces.MPJBaseJoin;
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import com.github.yulichang.wrapper.MPJLambdaWrapper;
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import org.apache.ibatis.annotations.Param;
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import java.util.Collection;
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import java.util.List;
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import java.util.Objects;
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/**
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* 在 MyBatis Plus 的 BaseMapper 的基础上拓展,提供更多的能力
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*
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* 1. {@link BaseMapper} 为 MyBatis Plus 的基础接口,提供基础的 CRUD 能力
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* 2. {@link MPJBaseMapper} 为 MyBatis Plus Join 的基础接口,提供连表 Join 能力
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*/
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public interface BaseMapperX<T> extends MPJBaseMapper<T> {
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/**
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* 获取分页对象
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* @param params 分页查询参数
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*/
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default IPage<T> getPage(PageParam params) {
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//分页参数
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long curPage = 1;
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long limit = 10;
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if(params.getPageNo() != null){
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curPage = params.getPageNo();
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}
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if(params.getPageSize() != null){
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limit = params.getPageSize();
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}
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//分页对象
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return new Page<>(curPage, limit);
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}
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default PageResult<T> selectPage(SortablePageParam pageParam, @Param("ew") Wrapper<T> queryWrapper) {
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return selectPage(pageParam, pageParam.getSortingFields(), queryWrapper);
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}
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default PageResult<T> selectPage(PageParam pageParam, @Param("ew") Wrapper<T> queryWrapper) {
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return selectPage(pageParam, null, queryWrapper);
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}
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default PageResult<T> selectPage(PageParam pageParam, Collection<SortingField> sortingFields, @Param("ew") Wrapper<T> queryWrapper) {
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// 特殊:不分页,直接查询全部
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if (PageParam.PAGE_SIZE_NONE.equals(pageParam.getPageSize())) {
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List<T> list = selectList(queryWrapper);
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return new PageResult<>(list, (long) list.size());
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}
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// MyBatis Plus 查询
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IPage<T> mpPage = MyBatisUtils.buildPage(pageParam, sortingFields);
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selectPage(mpPage, queryWrapper);
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// 转换返回
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return new PageResult<>(mpPage.getRecords(), mpPage.getTotal());
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}
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default <D> PageResult<D> selectJoinPage(PageParam pageParam, Class<D> clazz, MPJLambdaWrapper<T> lambdaWrapper) {
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// 特殊:不分页,直接查询全部
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if (PageParam.PAGE_SIZE_NONE.equals(pageParam.getPageSize())) {
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List<D> list = selectJoinList(clazz, lambdaWrapper);
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return new PageResult<>(list, (long) list.size());
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}
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// MyBatis Plus Join 查询
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IPage<D> mpPage = MyBatisUtils.buildPage(pageParam);
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mpPage = selectJoinPage(mpPage, clazz, lambdaWrapper);
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// 转换返回
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return new PageResult<>(mpPage.getRecords(), mpPage.getTotal());
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}
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default <DTO> PageResult<DTO> selectJoinPage(PageParam pageParam, Class<DTO> resultTypeClass, MPJBaseJoin<T> joinQueryWrapper) {
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IPage<DTO> mpPage = MyBatisUtils.buildPage(pageParam);
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selectJoinPage(mpPage, resultTypeClass, joinQueryWrapper);
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// 转换返回
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return new PageResult<>(mpPage.getRecords(), mpPage.getTotal());
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}
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default T selectOne(String field, Object value) {
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return selectOne(new QueryWrapper<T>().eq(field, value));
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}
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default T selectOne(SFunction<T, ?> field, Object value) {
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return selectOne(new LambdaQueryWrapper<T>().eq(field, value));
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}
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default T selectOne(String field1, Object value1, String field2, Object value2) {
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return selectOne(new QueryWrapper<T>().eq(field1, value1).eq(field2, value2));
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}
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default T selectOne(SFunction<T, ?> field1, Object value1, SFunction<T, ?> field2, Object value2) {
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return selectOne(new LambdaQueryWrapper<T>().eq(field1, value1).eq(field2, value2));
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}
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default T selectOne(SFunction<T, ?> field1, Object value1, SFunction<T, ?> field2, Object value2,
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SFunction<T, ?> field3, Object value3) {
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return selectOne(new LambdaQueryWrapper<T>().eq(field1, value1).eq(field2, value2)
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.eq(field3, value3));
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}
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default Long selectCount() {
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return selectCount(new QueryWrapper<>());
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}
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default Long selectCount(String field, Object value) {
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return selectCount(new QueryWrapper<T>().eq(field, value));
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}
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default Long selectCount(SFunction<T, ?> field, Object value) {
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return selectCount(new LambdaQueryWrapper<T>().eq(field, value));
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}
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default List<T> selectList() {
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return selectList(new QueryWrapper<>());
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}
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default List<T> selectList(String field, Object value) {
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return selectList(new QueryWrapper<T>().eq(field, value));
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}
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default List<T> selectList(SFunction<T, ?> field, Object value) {
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return selectList(new LambdaQueryWrapper<T>().eq(field, value));
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}
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default List<T> selectList(String field, Collection<?> values) {
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if (CollUtil.isEmpty(values)) {
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return CollUtil.newArrayList();
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}
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return selectList(new QueryWrapper<T>().in(field, values));
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}
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default List<T> selectList(SFunction<T, ?> field, Collection<?> values) {
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if (CollUtil.isEmpty(values)) {
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return CollUtil.newArrayList();
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}
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return selectList(new LambdaQueryWrapper<T>().in(field, values));
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}
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@Deprecated
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default List<T> selectList(SFunction<T, ?> leField, SFunction<T, ?> geField, Object value) {
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return selectList(new LambdaQueryWrapper<T>().le(leField, value).ge(geField, value));
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}
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default List<T> selectList(SFunction<T, ?> field1, Object value1, SFunction<T, ?> field2, Object value2) {
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return selectList(new LambdaQueryWrapper<T>().eq(field1, value1).eq(field2, value2));
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}
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/**
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* 批量插入,适合大量数据插入
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*
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* @param entities 实体们
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*/
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default Boolean insertBatch(Collection<T> entities) {
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// 特殊:SQL Server 批量插入后,获取 id 会报错,因此通过循环处理
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if (Objects.equals(SqlConstants.DB_TYPE, DbType.SQL_SERVER)) {
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entities.forEach(this::insert);
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return CollUtil.isNotEmpty(entities);
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}
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return Db.saveBatch(entities);
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}
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/**
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* 批量插入,适合大量数据插入
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*
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* @param entities 实体们
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* @param size 插入数量 Db.saveBatch 默认为 1000
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*/
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default Boolean insertBatch(Collection<T> entities, int size) {
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// 特殊:SQL Server 批量插入后,获取 id 会报错,因此通过循环处理
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if (Objects.equals(SqlConstants.DB_TYPE, DbType.SQL_SERVER)) {
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entities.forEach(this::insert);
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return CollUtil.isNotEmpty(entities);
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}
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return Db.saveBatch(entities, size);
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}
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default int updateBatch(T update) {
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return update(update, new QueryWrapper<>());
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}
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default Boolean updateBatch(Collection<T> entities) {
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return Db.updateBatchById(entities);
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}
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default Boolean updateBatch(Collection<T> entities, int size) {
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return Db.updateBatchById(entities, size);
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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 Boolean insertOrUpdateBatch(Collection<T> collection) {
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return Db.saveOrUpdateBatch(collection);
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}
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default int delete(String field, String value) {
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return delete(new QueryWrapper<T>().eq(field, value));
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}
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default int delete(SFunction<T, ?> field, Object value) {
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return delete(new LambdaQueryWrapper<T>().eq(field, value));
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}
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}
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