AdminMessageServiceImpl.java
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package com.diligrp.rider.service.impl;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.diligrp.rider.common.exception.BizException;
import com.diligrp.rider.entity.Rider;
import com.diligrp.rider.entity.RiderMessage;
import com.diligrp.rider.entity.RiderMessageTemplate;
import com.diligrp.rider.mapper.RiderMapper;
import com.diligrp.rider.mapper.RiderMessageMapper;
import com.diligrp.rider.mapper.RiderMessageTemplateMapper;
import com.diligrp.rider.service.AdminMessageService;
import com.diligrp.rider.service.JPushService;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
@Slf4j
@Service
@RequiredArgsConstructor
public class AdminMessageServiceImpl implements AdminMessageService {
private final RiderMessageMapper messageMapper;
private final RiderMessageTemplateMapper templateMapper;
private final RiderMapper riderMapper;
private final JPushService jPushService;
private static final int PAGE_SIZE = 20;
@Override
@Transactional
public void sendToRider(Long cityId, Long riderId, Integer type, String title, String content, String bizType, Long bizId) {
ensureCitySelected(cityId);
ensureRiderInCity(cityId, riderId);
long messageId = insertMessage(cityId, riderId, type, title, content, bizType, bizId);
log.info("发送消息成功，riderId={} messageId={}", riderId, messageId);
// 写库后触发推送（管理员手动单发：总是推送）
jPushService.pushToRider(riderId, title, content, bizType, bizId);
}
private long insertMessage(Long cityId, Long riderId, Integer type, String title,
String content, String bizType, Long bizId) {
RiderMessage message = new RiderMessage();
message.setCityId(cityId);
message.setRiderId(riderId);
message.setType(type);
message.setTitle(title);
message.setContent(content);
message.setBizType(bizType != null ? bizType : "");
message.setBizId(bizId != null ? bizId : 0L);
message.setIsRead(0);
message.setCreateTime(System.currentTimeMillis());
message.setReadTime(0L);
messageMapper.insert(message);
return message.getId();
}
@Override
@Transactional
public void broadcastToCity(Long cityId, Integer type, String title, String content) {
ensureCitySelected(cityId);
// 查询城市内所有正常状态的骑手
LambdaQueryWrapper<Rider> wrapper = new LambdaQueryWrapper<>();
wrapper.eq(Rider::getCityId, cityId)
.eq(Rider::getStatus, 1); // 只发给正常状态的骑手
List<Rider> riders = riderMapper.selectList(wrapper);
if (riders.isEmpty()) {
log.warn("城市内无可用骑手，cityId={}", cityId);
return;
}
// 批量插入消息
List<RiderMessage> messages = new ArrayList<>();
long now = System.currentTimeMillis();
for (Rider rider : riders) {
RiderMessage message = new RiderMessage();
message.setCityId(cityId);
message.setRiderId(rider.getId());
message.setType(type);
message.setTitle(title);
message.setContent(content);
message.setBizType("broadcast");
message.setBizId(0L);
message.setIsRead(0);
message.setCreateTime(now);
message.setReadTime(0L);
messages.add(message);
}
// 批量插入（每次最多1000条）
int batchSize = 1000;
for (int i = 0; i < messages.size(); i += batchSize) {
int end = Math.min(i + batchSize, messages.size());
List<RiderMessage> batch = messages.subList(i, end);
batch.forEach(messageMapper::insert);
}
log.info("群发消息成功，cityId={} 骑手数={}", cityId, riders.size());
// 写库后按城市 tag 触发广播推送
jPushService.pushToCity(cityId, title, content, "broadcast");
}
@Override
public Map<String, Object> listMessages(Long cityId, Long riderId, Integer type, Integer page) {
ensureCitySelected(cityId);
Page<RiderMessage> pageObj = new Page<>(page, PAGE_SIZE);
LambdaQueryWrapper<RiderMessage> wrapper = new LambdaQueryWrapper<>();
wrapper.eq(RiderMessage::getCityId, cityId)
.eq(riderId != null, RiderMessage::getRiderId, riderId)
.eq(type != null, RiderMessage::getType, type)
.orderByDesc(RiderMessage::getCreateTime);
Page<RiderMessage> result = messageMapper.selectPage(pageObj, wrapper);
Map<String, Object> data = new HashMap<>();
data.put("list", result.getRecords());
data.put("total", result.getTotal());
data.put("page", page);
data.put("pageSize", PAGE_SIZE);
return data;
}
private void ensureCitySelected(Long cityId) {
if (cityId == null || cityId < 1) {
throw new BizException("请选择租户");
}
}
private void ensureRiderInCity(Long cityId, Long riderId) {
if (riderId == null) {
throw new BizException("骑手ID不能为空");
}
Rider rider = riderMapper.selectById(riderId);
if (rider == null) {
throw new BizException("骑手不存在");
}
if (!cityId.equals(rider.getCityId())) {
throw new BizException("只能给当前租户骑手发送消息");
}
}
@Override
public List<RiderMessageTemplate> listTemplates() {
LambdaQueryWrapper<RiderMessageTemplate> wrapper = new LambdaQueryWrapper<>();
wrapper.eq(RiderMessageTemplate::getStatus, 1)
.orderByAsc(RiderMessageTemplate::getId);
return templateMapper.selectList(wrapper);
}
@Override
@Transactional
public void sendByTemplate(Long cityId, Long riderId, String bizType, Map<String, Object> params) {
// 查询模板
LambdaQueryWrapper<RiderMessageTemplate> wrapper = new LambdaQueryWrapper<>();
wrapper.eq(RiderMessageTemplate::getBizType, bizType)
.eq(RiderMessageTemplate::getStatus, 1);
RiderMessageTemplate template = templateMapper.selectOne(wrapper);
if (template == null) {
log.warn("消息模板不存在，bizType={}", bizType);
return;
}
// 替换占位符
String title = replacePlaceholders(template.getTitleTemplate(), params);
String content = replacePlaceholders(template.getContentTemplate(), params);
// 模板的 is_push=1 时同步推送，否则仅入库
Long bizId = params.get("bizId") != null ? Long.valueOf(params.get("bizId").toString()) : 0L;
if (Integer.valueOf(1).equals(template.getIsPush())) {
sendToRider(cityId, riderId, template.getType(), title, content, bizType, bizId);
} else {
ensureCitySelected(cityId);
ensureRiderInCity(cityId, riderId);
insertMessage(cityId, riderId, template.getType(), title, content, bizType, bizId);
}
}
/**
* 替换模板占位符
*/
private String replacePlaceholders(String template, Map<String, Object> params) {
String result = template;
for (Map.Entry<String, Object> entry : params.entrySet()) {
String placeholder = "#{" + entry.getKey() + "}";
String value = entry.getValue() != null ? entry.getValue().toString() : "";
result = result.replace(placeholder, value);
}
return result;
}
}