gold-java/src/main/java/com/example/demo/serviceImpl/RefundServiceImpl.java

package com.example.demo.serviceImpl;

import com.example.demo.domain.vo.ConsumeUser;
import com.example.demo.domain.vo.Gold;
import com.example.demo.domain.vo.RefundUser;
import com.example.demo.domain.vo.Result;
import com.example.demo.mapper.ConsumeMapper;
import com.example.demo.mapper.RefundMapper;
import com.example.demo.mapper.UserMapper;
import com.example.demo.service.RefundService;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;

/**
 * @program: gold-java
 * @ClassName RefundServiceImpl
 * @description:
 * @author: Double
 * @create: 2025−06-27 11:50
 * @Version 1.0
 **/

@Service
public class RefundServiceImpl implements RefundService {

    @Autowired
    private RefundMapper refundMapper;

    @Autowired
    private UserMapper userMapper;

    @Override
    public PageInfo<RefundUser> selectAll(Integer pageNum, Integer pageSize) {
        PageHelper.startPage(pageNum, pageSize);
        List<RefundUser> refundUsers = refundMapper.selectAll();
        return new PageInfo<>(refundUsers);
    }

    @Override
    public Gold statsGold() {
        Gold gold = new Gold();
        List<RefundUser> refundUsers = refundMapper.selectAll();

        // 初始化累加器
        int permanentGoldSum = 0;
        int freeGoldSum = 0;
        int taskGoldSum = 0;

        // 遍历推开记录并累加金币
        for (RefundUser refundUser : refundUsers) {
            // 累加永久金币
            if (refundUser.getPermanentGold() != null) {
                permanentGoldSum += refundUser.getPermanentGold();
            }
            // 累加免费金币
            if (refundUser.getFreeGold() != null) {
                freeGoldSum += refundUser.getFreeGold();
            }
            // 累加任务金币
            if (refundUser.getTaskGold() != null) {
                taskGoldSum += refundUser.getTaskGold();
            }
        }

        // 将累加结果设置到Gold对象
        gold.setPermanentGolds(permanentGoldSum);
        gold.setFreeGolds(freeGoldSum);
        gold.setTaskGolds(taskGoldSum);

        return gold;
    }

    @Override
    public PageInfo<RefundUser> selectBy(Integer pageNum, Integer pageSize, RefundUser refundUser) {
        PageHelper.startPage(pageNum, pageSize);
        List<RefundUser> refundUsers = refundMapper.selectBy(refundUser);
        return new PageInfo<>(refundUsers);
    }

    @Override
    public Result add(RefundUser refundUser) {
        return null;
    }
}