oyingServer.git

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			package com.oying.modules.message.service.impl;

			import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
			import com.oying.modules.message.domain.MessageOrderBuyer;
			import com.oying.utils.FileUtil;
			import lombok.RequiredArgsConstructor;
			import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
			import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
			import com.oying.modules.message.service.MessageOrderBuyerService;
			import com.oying.modules.message.domain.dto.MessageOrderBuyerQueryCriteria;
			import com.oying.modules.message.mapper.MessageOrderBuyerMapper;
			import org.springframework.stereotype.Service;
			import org.springframework.transaction.annotation.Transactional;
			import com.oying.utils.PageUtil;
			import java.util.List;
			import java.util.Map;
			import java.io.IOException;
			import javax.servlet.http.HttpServletResponse;
			import java.util.ArrayList;
			import java.util.LinkedHashMap;
			import com.oying.utils.PageResult;

			/**
			* @description 服务实现
			* @author 李萌
			* @date 2025-05-20
			**/
			@Service
			@RequiredArgsConstructor
			public class MessageOrderBuyerServiceImpl extends ServiceImpl<MessageOrderBuyerMapper, MessageOrderBuyer> implements MessageOrderBuyerService {

			private final MessageOrderBuyerMapper messageOrderBuyerMapper;

			@Override
			public PageResult<MessageOrderBuyer> queryAll(MessageOrderBuyerQueryCriteria criteria, Page<Object> page){
			return PageUtil.toPage(messageOrderBuyerMapper.findAll(criteria, page));
			}

			@Override
			public List<MessageOrderBuyer> queryAll(MessageOrderBuyerQueryCriteria criteria){
			return messageOrderBuyerMapper.findAll(criteria);
			}

			@Override
			@Transactional(rollbackFor = Exception.class)
			public void create(MessageOrderBuyer resources) {
			messageOrderBuyerMapper.insert(resources);
			}

			@Override
			@Transactional(rollbackFor = Exception.class)
			public void update(MessageOrderBuyer resources) {
			MessageOrderBuyer messageOrderBuyer = getById(resources.getId());
			messageOrderBuyer.copy(resources);
			messageOrderBuyerMapper.updateById(messageOrderBuyer);
			}

			@Override
			@Transactional(rollbackFor = Exception.class)
			public void deleteAll(List<Integer> ids) {
			messageOrderBuyerMapper.deleteBatchIds(ids);
			}

			@Override
			public void download(List<MessageOrderBuyer> all, HttpServletResponse response) throws IOException {
			List<Map<String, Object>> list = new ArrayList<>();
			for (MessageOrderBuyer messageOrderBuyer : all) {
			Map<String, Object> map = new LinkedHashMap<>();
			map.put("订单ID", messageOrderBuyer.getOrderId());
			map.put("消息类型（订单状态变化、订单送达）", messageOrderBuyer.getMessageType());
			map.put("消息内容", messageOrderBuyer.getMessageContent());
			map.put("跳转链接", messageOrderBuyer.getLink());
			map.put("创建时间", messageOrderBuyer.getCreateTime());
			list.add(map);
			}
			FileUtil.downloadExcel(list, response);
			}

			@Override
			public MessageOrderBuyer findByOrderId(Integer orderId) {
			return baseMapper.selectOne(new QueryWrapper<MessageOrderBuyer>().eq("order_id", orderId));
			}
			}