feat. lib and models is featured

+exports.processing = async(data) => {
+
+}
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+const mqtt = require('mqtt');
+
+exports.mqttOn = async(hosting, topic) => {
+    const client = mqtt.connect(hosting);
+    client.subscribe(topic);
+}
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+const axios = require('axios');
+
+const SERVICE_KEY = "tNd%2FZ0MMJA5NZrU9nA5IVTKkhpz6N3j1OGpFT0PmbcCOVEZbpR9PYiNHuD9rLuSsyMWkTXPqHsHLWoxlW%2BVVrg%3D%3D"
+const url = "http://apis.data.go.kr/1471000/DrbEasyDrugInfoService/getDrbEasyDrugList";
+
+const updateMedicineInfo = async() => {
+    const queryParams = '?' + encodeURIComponent('ServiceKey') + '=' + SERVICE_KEY;
+    const pageNum36 = '&' + encodeURIComponent('pageNo') + '=' + encodeURIComponent(1)
+    const pageNum37 = '&' + encodeURIComponent('pageNo') + '=' + encodeURIComponent(2);
+    const numOfItem = '&' + encodeURIComponent('numOfRows') + '=' + encodeURIComponent(2);
+    const output = '&' + encodeURIComponent('type') + '=' + encodeURIComponent('json');
+
+    const result36 = await axios.get(url + queryParams + pageNum36 + numOfItem + output);
+    const result37 = await axios.get(url + queryParams + pageNum37 + numOfItem + output);
+
+    console.log(result36.data.body.items);
+    console.log(result37.data.body.items);
+}
+
+updateMedicineInfo();
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+const mongoose = require('mongoose');
+
+const Schema = mongoose.Schema;
+
+const HubSchema = new Schema ({
+    hubId : { type : Number, required : true },
+    userId : { type : String, default : null },
+    hosting : Object
+});
+
+HubSchema.methods.setHubHost = async(hosting) => {
+    this.hosting = hosting;
+}
+
+HubSchema.methods.getHubHost = async() => {
+    return this.hosting;
+}
+
+HubSchema.methods.setHub_UserId = async(userId) => {
+    this.userId = userId;
+}
+
+HubSchema.methods.getHub_UserId = async() => {
+    return this.userId;
+}
+
+module.exports = mongoose.model('Hub', HubSchema);
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+const mongoose = require('mongoose');
+const bycrypt = require('bcrypt');
+const jwt = require('jsonwebtoken');
+
+const Schema = mongoose.Schema;
+
+const UserSchema = new Schema({
+    userId : { type: String, require : true },
+    hashedPassword : { type : String, default : null }
+})
+
+UserSchema.methods.setPassword = async(password) => {
+    const hash = await bycrypt(password, 10);
+    this.hashedPassword = hash;
+}
+
+UserSchema.methods.checkPassword = async(password) => {
+    const result = await bycrypt.compare(password, this.hashedPassword)
+    return result;
+}
+
+UserSchema.statics.findByUserId = async(userId) => {
+    return this.findOne({userId});
+}
+
+UserSchema.methods.generateToken = () => {
+    const token = jwt.sign (
+        {
+            _id : this._id,
+            userId : this.userId
+        },
+        process.env.JWT_SECRET,
+        { expiresIn : '30d' }
+    );
+    return token;
+}
+
+module.exports = mongoose.model("User", UserSchema);
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