From e6463e3aad65706d4540235e30941717532f9f18 Mon Sep 17 00:00:00 2001
From: kaiyu <404897439@qq.com>
Date: Tue, 13 Jul 2021 15:48:42 +0800
Subject: [PATCH] screen-manage                  完成实时界面单位转换功能

---
 screen-common/src/main/java/com/moral/util/UnitConvertUtils.java              |    4 ++++
 screen-api/src/main/java/com/moral/api/kafka/consumer/SecondDataConsumer.java |   29 +++++++++++++++++------------
 2 files changed, 21 insertions(+), 12 deletions(-)

diff --git a/screen-api/src/main/java/com/moral/api/kafka/consumer/SecondDataConsumer.java b/screen-api/src/main/java/com/moral/api/kafka/consumer/SecondDataConsumer.java
index 49ac907..c0660bb 100644
--- a/screen-api/src/main/java/com/moral/api/kafka/consumer/SecondDataConsumer.java
+++ b/screen-api/src/main/java/com/moral/api/kafka/consumer/SecondDataConsumer.java
@@ -5,6 +5,7 @@
 import com.moral.api.entity.Sensor;
 import com.moral.api.entity.UnitConversion;
 import com.moral.api.websocket.SingleDeviceServer;
+import com.moral.util.UnitConvertUtils;
 import org.apache.kafka.clients.consumer.Consumer;
 import org.apache.kafka.clients.consumer.ConsumerRecord;
 import org.apache.kafka.common.TopicPartition;
@@ -28,10 +29,10 @@
 @Component
 public class SecondDataConsumer implements ConsumerSeekAware {
 
-    @KafkaListener(topics = "second_data",groupId = "SecondsDataGroup3")
-    public void listen(ConsumerRecord<String, String> record , Consumer consumer) throws Exception {
+    @KafkaListener(topics = "second_data", groupId = "SecondsDataGroup3")
+    public void listen(ConsumerRecord<String, String> record, Consumer consumer) throws Exception {
         String messageStr = record.value();
-        Map<String,String> message = (Map<String,String>)JSON.parse(messageStr);
+        Map<String, String> message = (Map<String, String>) JSON.parse(messageStr);
         CopyOnWriteArraySet<SingleDeviceServer> sockets = SingleDeviceServer.sockets;
         for (SingleDeviceServer socket : sockets) {
             //���������������������������socket
@@ -40,7 +41,7 @@
             Map<String, Device> devicesInfo = socket.getDevicesInfo();
             Device device = devicesInfo.get(mac);
             //������������������������
-            Map<String,String> resultMessgae = new HashMap<>();
+            Map<String, String> resultMessgae = new HashMap<>();
             //������������
             List<Sensor> sensors = device.getVersion().getSensors();//������������������������������
             for (Sensor sensor : sensors) {
@@ -49,22 +50,26 @@
                 String unitKey = sensor.getUnitKey();
                 //������������
                 //������������
-                if(!unitKey.equals(showUnitKey)){
+                if (!unitKey.equals(showUnitKey)) {
                     String formula = sensor.getFormula();
-                    if(ObjectUtils.isEmpty(formula)){
+                    //������sensor���������������������������������������������
+                    if (ObjectUtils.isEmpty(formula)) {
                         List<UnitConversion> unitConversions = socket.getUnitConversions();
-                        System.out.println(unitConversions);
-                    }else{
-
+                        for (UnitConversion unitConversion : unitConversions) {
+                            if (unitConversion.getOriginalUnitKey().equals(unitKey) && unitConversion.getTargetUnitKey().equals(showUnitKey))
+                                formula = unitConversion.getFormula();
+                        }
                     }
+                    //������������
+                    UnitConvertUtils.calculate(message.get(code),formula);
                 }
                 //������������
                 String showUnit = sensor.getShowUnit();
                 String value = message.get(code);
-                value+=showUnit;
-                resultMessgae.put(sensor.getCode(),value);
+                value += showUnit;
+                resultMessgae.put(sensor.getCode(), value);
             }
-            resultMessgae.put("DataTime",message.get("DataTime"));
+            resultMessgae.put("DataTime", message.get("DataTime"));
             socket.sendMessage(JSON.toJSONString(resultMessgae));
         }
     }
diff --git a/screen-common/src/main/java/com/moral/util/UnitConvertUtils.java b/screen-common/src/main/java/com/moral/util/UnitConvertUtils.java
index e86291d..5bdf91f 100644
--- a/screen-common/src/main/java/com/moral/util/UnitConvertUtils.java
+++ b/screen-common/src/main/java/com/moral/util/UnitConvertUtils.java
@@ -1,5 +1,7 @@
 package com.moral.util;
 
+import org.springframework.util.ObjectUtils;
+
 import javax.script.ScriptEngine;
 import javax.script.ScriptEngineManager;
 import javax.script.ScriptException;
@@ -28,6 +30,8 @@
             * @Date: 2021/7/5
             */
     public static String calculate(String value, String formula) {
+        if(ObjectUtils.isEmpty(formula))
+            return value;
         ScriptEngine jse = new ScriptEngineManager().getEngineByName("JavaScript");
         formula = formula.replaceAll("\\{0\\}", value);
         Double result = null;

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