fix:修改项目重启后继续订阅mqtt消息

yudao-module-iot/yudao-module-iot-biz/src/main/java/cn/iocoder/yudao/module/iot/service/device/DeviceServiceImpl.java

@@ -19,6 +19,7 @@ import cn.iocoder.yudao.module.iot.dal.dataobject.devicemodelattribute.DeviceMod
 import cn.iocoder.yudao.module.iot.dal.dataobject.devicemodelrules.DeviceModelRulesDO;
 import cn.iocoder.yudao.module.iot.dal.dataobject.deviceoperationrecord.DeviceOperationRecordDO;
 import cn.iocoder.yudao.module.iot.dal.dataobject.devicepointrules.DevicePointRulesDO;
+import cn.iocoder.yudao.module.iot.dal.dataobject.gateway.GatewayDO;
 import cn.iocoder.yudao.module.iot.dal.dataobject.mqttdatarecord.MqttDataRecordDO;
 import cn.iocoder.yudao.module.iot.dal.dataobject.devicecontactmodel.DeviceContactModelDO;
 import cn.iocoder.yudao.module.iot.dal.mysql.device.DeviceMapper;
@@ -29,13 +30,16 @@ import cn.iocoder.yudao.module.iot.dal.mysql.devicemodelattribute.DeviceModelAtt
 import cn.iocoder.yudao.module.iot.dal.mysql.devicemodelrules.DeviceModelRulesMapper;
 import cn.iocoder.yudao.module.iot.dal.mysql.deviceoperationrecord.DeviceOperationRecordMapper;
 import cn.iocoder.yudao.module.iot.dal.mysql.devicepointrules.DevicePointRulesMapper;
+import cn.iocoder.yudao.module.iot.dal.mysql.gateway.GatewayMapper;
 import cn.iocoder.yudao.module.iot.dal.mysql.mqttdatarecord.MqttDataRecordMapper;
 import cn.iocoder.yudao.module.iot.dal.dataobject.device.DeviceAttributeDO;
 import cn.iocoder.yudao.module.iot.dal.mysql.device.DeviceAttributeMapper;
 
 import cn.iocoder.yudao.module.iot.framework.mqtt.consumer.IMqttservice;
+import cn.iocoder.yudao.module.iot.service.gateway.GatewayService;
 import com.alibaba.fastjson.JSON;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
 import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.baomidou.mybatisplus.core.toolkit.Wrappers;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
@@ -114,6 +118,13 @@ public class DeviceServiceImpl implements DeviceService {
     @Resource
     private IMqttservice mqttService;
 
+//    @Resource
+//    private GatewayService gatewayService;
+
+    @Resource
+    private GatewayMapper gatewayMapper;
+
+
 
     @Override
     @Transactional(rollbackFor = Exception.class)
@@ -1052,7 +1063,7 @@ public class DeviceServiceImpl implements DeviceService {
         }
 
         //TODO 待优化
-        if (("MQTT".equals(deviceDO.getProtocol()))) {
+        if (!"MQTT".equals(deviceDO.getProtocol())) {
             throw exception(DEVICE_MQTT_TOPIC_EXIST);
         }
 
@@ -1073,29 +1084,85 @@ public class DeviceServiceImpl implements DeviceService {
         return deviceMapper.selectOne(Wrappers.<DeviceDO>lambdaQuery().eq(DeviceDO::getTopic,topic));
     }
 
-    private void executeEnableUpdate(DeviceDO deviceDO, Boolean enabled) throws MqttException {
+    private void executeEnableUpdate(DeviceDO deviceDO, Boolean enabled) {
+
         try {
-            // 更新数据库状态
+            // 1. 更新设备启用状态
             deviceDO.setIsEnable(enabled);
             deviceMapper.updateById(deviceDO);
 
-            // MQTT 操作
+            String topic = deviceDO.getTopic();
+
+            // 2. 启用设备
             if (enabled) {
+
+                // 2.1 MQTT订阅
                 try {
-                    mqttService.subscribeTopic(deviceDO.getTopic());
+                    mqttService.subscribeTopic(topic);
+                    log.info("MQTT订阅成功: {}", topic);
                 } catch (MqttException e) {
-                    log.error("订阅主题失败: {}", deviceDO.getTopic(), e);
+                    log.error("MQTT订阅失败: {}", topic, e);
                 }
+
+                // 2.2 保存到iot_gateway表-用于重启后自动订阅
+                GatewayDO gateway = gatewayMapper.selectOne(
+                        new LambdaQueryWrapper<GatewayDO>()
+                                .eq(GatewayDO::getTopic, topic)
+                                .last("LIMIT 1")
+                );
+
+                if (gateway == null) {
+
+                    gateway = new GatewayDO();
+                    gateway.setGatewayName(deviceDO.getDeviceName());
+                    gateway.setGatewayCode(deviceDO.getDeviceCode());
+                    gateway.setTopic(topic);
+                    gateway.setIsEnable(true);
+                    gateway.setDeleted(false);
+
+                    gatewayMapper.insert(gateway);
+
+                    log.info("新增gateway订阅记录成功 topic={}", topic);
+
                 } else {
+
+                    gateway.setIsEnable(true);
+                    gateway.setUpdateTime(LocalDateTime.now());
+
+                    gatewayMapper.updateById(gateway);
+
+                    log.info("更新gateway启用状态 topic={}", topic);
+                }
+
+            }
+
+            // 3. 禁用设备
+            else {
+
+                // 3.1 MQTT取消订阅
                 try {
-                    mqttService.unsubscribeTopic(deviceDO.getTopic());
+                    mqttService.unsubscribeTopic(topic);
+                    log.info("MQTT取消订阅成功: {}", topic);
                 } catch (MqttException e) {
-                    log.error("取消订阅主题失败: {}", deviceDO.getTopic(), e);
+                    log.error("MQTT取消订阅失败: {}", topic, e);
                 }
+
+                // 3.2 更新gateway状态为禁用
+                gatewayMapper.update(
+                        null,
+                        new LambdaUpdateWrapper<GatewayDO>()
+                                .eq(GatewayDO::getTopic, topic)
+                                .set(GatewayDO::getIsEnable, false)
+                                .set(GatewayDO::getUpdateTime, LocalDateTime.now())
+                );
+
+                log.info("gateway订阅记录已禁用 topic={}", topic);
             }
+
         } catch (Exception e) {
-            // 捕获数据库更新等其他异常
-            log.error("更新设备状态失败: {}", deviceDO.getDeviceCode(), e);
+
+            log.error("更新设备状态失败 deviceCode={}", deviceDO.getDeviceCode(), e);
+
         }
         }