feat. mqtt를 통한 약병 내부의 무게 측정 및 업데이트

@@ -306,7 +306,6 @@ exports.setMedicine = async(ctx) => {
     }
 
     await BottleMedicine.updateMany({ bottleId }, { useYn : 'N '});
-    
     await bottleMedicine.save();
 
     ctx.status = 200;
@@ -349,13 +348,16 @@ exports.setMedicineWeight = async ctx => {
     }
 
 
-
     //toDo : 약병에서 가져온 무게 데이터를 이용하여, bottleMedicine값을 갱신.
+    const client = await Mqtt.mqttOn(await hub.getHubHost());
+    const topic = 'bottle/' + bottleId + '/stb';
+    const message = 'weight';
+    await Mqtt.mqttPublishMessage(client, { topic, message });
 
 
-    const bottleMedicine = await BottleMedicine.findOne({ bottleId, useYn : 'Y' });
-    const { totalWeight, totalDosage } = bottleMedicine;
-    
+    // const bottleMedicine = await BottleMedicine.findOne({ bottleId, useYn : 'Y' });
+    // const { totalWeight, totalDosage } = bottleMedicine;
+    // if(totalDosage) bottleMedicine.setEachWeight(totalWeight / totalDosage);
 
     ctx.status = 200;
 

@@ -4,6 +4,14 @@ const TakeMedicineHist = require('../models/takeMedicineHistory');
 
 //message subscribe 후 message를 가공한 이후 해당 데이터를 보낼 topic과 message를 리턴하는 함수
 exports.dataPublish = async (topic, message) => {
+    if(message.includes('weight')) {
+        console.log('무게 갱신중');
+        //무게 갱신
+        const result = await updateBottleMedicineWeight(topic, message);
+
+        return result;
+
+    } else {
          //client가 subscribe를 하면 메시지를 보낸 약병의 topic과 message를 가공 및 보낸 약병의 bottleId를 가져옴
         const data = await factoring(topic, message);
         //가공된 데이터를 bottleId의 약병에 업데이트
@@ -13,6 +21,7 @@ exports.dataPublish = async (topic, message) => {
 
         return result;
 
+    }
 };
 
 //Hub topic : bottle/bottleId
@@ -72,7 +81,7 @@ const transPublishingTopicAndMessage = async(bottleId) => {
     const bottleMedicine = await BottleMedicine.findOne({ bottleId, useYn : 'Y' });
     const takeMedicineHistList = await TakeMedicineHist.find({ 
         bmId : bottleMedicine._id 
-    }).sort({ takeDate : 'asc' }).limit(1);
+    }).sort({ takeDate : 'desc' }).limit(1);
 
     const message = 'res/' + await transDate(takeMedicineHistList[0].takeDate) + '/' + takeMedicineHistList[0].dosage;
    
@@ -86,4 +95,23 @@ const transPublishingTopicAndMessage = async(bottleId) => {
 const transDate = (date) => {
     return (date.getMonth() + 1 < 10 ? '0' + String(date.getMonth() + 1) : String(date.getMonth() + 1))
     + (date.getDate() < 10 ? '0' + String(date.getDate()) : String(date.getDate()));
-}
\ No newline at end of file
+};
+
+
+//무게센서를 이용하여 데이터값을 갱신하는 함수
+const updateBottleMedicineWeight = async (topic, message) => {
+    const bottleId = parseInt(topic.split('/')[1]);
+    //message = weight/무게
+    const totalWeight = parseFloat(message.split('/')[1]);
+
+    const bottleMedicine = await BottleMedicine.findOne({ bottleId, useYn : 'Y' });
+    const totalDosage = parseInt(bottleMedicine.totalDosage);
+    //받은 값으로 총 무게를 설정한 이후, 총 무게 / 총 복용량으로 개별 무게를 설정한다.
+    await bottleMedicine.setTotalWeight(totalWeight);
+    await bottleMedicine.setEachWeight(totalWeight / totalDosage);
+
+    await bottleMedicine.save();
+
+    return null;
+
+};
\ No newline at end of file

-const mqtt = require('mqtt')
-const clientList = []
+const mqtt = require('mqtt');
+const clientList = [];
 
 exports.mqttOn = async (hosting, foo) => {
     const filterIndex = clientList.findIndex(client => {
@@ -19,7 +19,7 @@ exports.mqttOn = async (hosting, foo) => {
         client.on('message', async (topic, message) => {
             const result = await foo(topic, message.toString());
             console.log('\x1b[1;32msubscribe : topic', topic, 'message : ', message.toString(), '\x1b[0m')
-            this.mqttPublishMessage(client, result);
+            if(result)  this.mqttPublishMessage(client, result);
         });
         
         return client;
@@ -29,7 +29,9 @@ exports.mqttOn = async (hosting, foo) => {
 }
 
 exports.mqttSubscribe = (client, topic) => {
-    client.subscribe(topic)
+    client.subscribe(topic, () => {
+        console.log('suscribe', topic);
+    });
 }
 
 exports.mqttPublishMessage = (client, { topic, message }) => {