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package cn.bootx.platform.common.mybatisplus.configuration;

import cn.bootx.platform.common.mybatisplus.handler.SnowflakeIdentifierGenerator;
import cn.bootx.platform.common.mybatisplus.interceptor.MpInterceptor;
import com.baomidou.mybatisplus.core.incrementer.IdentifierGenerator;
import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
import lombok.RequiredArgsConstructor;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.Comparator;
import java.util.List;

/**
 * mybatis自动配置
 *
 * @author xxm
 * @since 2021/7/27
 */
@Configuration
@RequiredArgsConstructor
public class MpConfiguration {

    /**
     * 使用多个功能需要注意顺序关系,建议使用如下顺序 多租户,动态表名 分页,乐观锁 sql性能规范,防止全表更新与删除 总结:
     * 对sql进行单次改造的优先放入,不对sql进行改造的最后放入
     */
    @Bean
    public MybatisPlusInterceptor mybatisPlusInterceptor(List interceptors) {
        MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
        interceptors.stream()
            .sorted(Comparator.comparing(MpInterceptor::getSortNo))
            .map(MpInterceptor::getInnerInterceptor)
            .forEach(interceptor::addInnerInterceptor);

        return interceptor;
    }

    /**
     * 数据库主键生成
     */
    @Bean
    public IdentifierGenerator idGenerator() {
        return new SnowflakeIdentifierGenerator();
    }

}