Connect AWS RDS and register environment variable by dotenv

@@ -2,6 +2,9 @@
 //모듈
 const express = require("express");
 const bodyParser = require("body-parser");
+//환경변수 (운영체제간 gap 없애고자)
+const dotenv = require("dotenv");
+dotenv.config();
 const app = express();
 //라우팅
 const home = require("./src/routes/home");

 "use strict";
 
-const PORT = 3000;
-
 const app = require("../app");
+const PORT = process.env.PORT || 3000;
 
 app.listen(PORT, () => {
     console.log("서버 가동");

@@ -36,6 +36,11 @@
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.2.tgz",
       "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw=="
     },
+    "bignumber.js": {
+      "version": "9.0.0",
+      "resolved": "https://registry.npmjs.org/bignumber.js/-/bignumber.js-9.0.0.tgz",
+      "integrity": "sha512-t/OYhhJ2SD+YGBQcjY8GzzDHEk9f3nerxjtfa6tlMXfe7frs/WozhvCNoGvpM0P3bNf3Gq5ZRMlGr5f3r4/N8A=="
+    },
     "body-parser": {
       "version": "1.20.0",
       "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.20.0.tgz",
@@ -127,6 +132,11 @@
       "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz",
       "integrity": "sha512-QADzlaHc8icV8I7vbaJXJwod9HWYp8uCqf1xa4OfNu1T7JVxQIrUgOWtHdNDtPiywmFbiS12VjotIXLrKM3orQ=="
     },
+    "core-util-is": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.3.tgz",
+      "integrity": "sha512-ZQBvi1DcpJ4GDqanjucZ2Hj3wEO5pZDS89BWbkcrvdxksJorwUDDZamX9ldFkp9aw2lmBDLgkObEA4DWNJ9FYQ=="
+    },
     "debug": {
       "version": "2.6.9",
       "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
@@ -145,6 +155,11 @@
       "resolved": "https://registry.npmjs.org/destroy/-/destroy-1.2.0.tgz",
       "integrity": "sha512-2sJGJTaXIIaR1w4iJSNoN0hnMY7Gpc/n8D4qSCJw8QqFWXf7cuAgnEHxBpweaVcPevC2l3KpjYCx3NypQQgaJg=="
     },
+    "dotenv": {
+      "version": "16.0.1",
+      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-16.0.1.tgz",
+      "integrity": "sha512-1K6hR6wtk2FviQ4kEiSjFiH5rpzEVi8WW0x96aztHVMhEspNpc4DVOUTEHtEva5VThQ8IaBX1Pe4gSzpVVUsKQ=="
+    },
     "ee-first": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/ee-first/-/ee-first-1.1.1.tgz",
@@ -316,6 +331,11 @@
       "resolved": "https://registry.npmjs.org/ipaddr.js/-/ipaddr.js-1.9.1.tgz",
       "integrity": "sha512-0KI/607xoxSToH7GjN1FfSbLoU0+btTicjsQSWQlh/hZykN8KpmMf7uYwPW3R+akZ6R/w18ZlXSHBYXiYUPO3g=="
     },
+    "isarray": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
+      "integrity": "sha512-VLghIWNM6ELQzo7zwmcg0NmTVyWKYjvIeM83yjp0wRDTmUnrM678fQbcKBo6n2CJEF0szoG//ytg+TKla89ALQ=="
+    },
     "jake": {
       "version": "10.8.5",
       "resolved": "https://registry.npmjs.org/jake/-/jake-10.8.5.tgz",
@@ -384,6 +404,24 @@
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
       "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
     },
+    "mysql": {
+      "version": "2.18.1",
+      "resolved": "https://registry.npmjs.org/mysql/-/mysql-2.18.1.tgz",
+      "integrity": "sha512-Bca+gk2YWmqp2Uf6k5NFEurwY/0td0cpebAucFpY/3jhrwrVGuxU2uQFCHjU19SJfje0yQvi+rVWdq78hR5lig==",
+      "requires": {
+        "bignumber.js": "9.0.0",
+        "readable-stream": "2.3.7",
+        "safe-buffer": "5.1.2",
+        "sqlstring": "2.3.1"
+      },
+      "dependencies": {
+        "safe-buffer": {
+          "version": "5.1.2",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
+          "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
+        }
+      }
+    },
     "negotiator": {
       "version": "0.6.3",
       "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.3.tgz",
@@ -412,6 +450,11 @@
       "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-0.1.7.tgz",
       "integrity": "sha1-32BBeABfUi8V60SQ5yR6G/qmf4w="
     },
+    "process-nextick-args": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.1.tgz",
+      "integrity": "sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag=="
+    },
     "proxy-addr": {
       "version": "2.0.7",
       "resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-2.0.7.tgz",
@@ -445,6 +488,27 @@
         "unpipe": "1.0.0"
       }
     },
+    "readable-stream": {
+      "version": "2.3.7",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.7.tgz",
+      "integrity": "sha512-Ebho8K4jIbHAxnuxi7o42OrZgF/ZTNcsZj6nRKyUmkhLFq8CHItp/fy6hQZuZmP/n3yZ9VBUbp4zz/mX8hmYPw==",
+      "requires": {
+        "core-util-is": "~1.0.0",
+        "inherits": "~2.0.3",
+        "isarray": "~1.0.0",
+        "process-nextick-args": "~2.0.0",
+        "safe-buffer": "~5.1.1",
+        "string_decoder": "~1.1.1",
+        "util-deprecate": "~1.0.1"
+      },
+      "dependencies": {
+        "safe-buffer": {
+          "version": "5.1.2",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
+          "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
+        }
+      }
+    },
     "safe-buffer": {
       "version": "5.2.1",
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
@@ -508,11 +572,31 @@
         "object-inspect": "^1.9.0"
       }
     },
+    "sqlstring": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/sqlstring/-/sqlstring-2.3.1.tgz",
+      "integrity": "sha1-R1OT/56RR5rqYtyvDKPRSYOn+0A="
+    },
     "statuses": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/statuses/-/statuses-2.0.1.tgz",
       "integrity": "sha512-RwNA9Z/7PrK06rYLIzFMlaF+l73iwpzsqRIFgbMLbTcLD6cOao82TaWefPXQvB2fOC4AjuYSEndS7N/mTCbkdQ=="
     },
+    "string_decoder": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+      "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
+      "requires": {
+        "safe-buffer": "~5.1.0"
+      },
+      "dependencies": {
+        "safe-buffer": {
+          "version": "5.1.2",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
+          "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
+        }
+      }
+    },
     "supports-color": {
       "version": "7.2.0",
       "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz",
@@ -540,6 +624,11 @@
       "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
       "integrity": "sha1-sr9O6FFKrmFltIF4KdIbLvSZBOw="
     },
+    "util-deprecate": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
+      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
+    },
     "utils-merge": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",

@@ -7,8 +7,10 @@
   },
   "dependencies": {
     "body-parser": "^1.20.0",
+    "dotenv": "^16.0.1",
     "ejs": "^3.1.8",
-    "express": "^4.18.1"
+    "express": "^4.18.1",
+    "mysql": "^2.18.1"
   },
   "devDependencies": {},
   "scripts": {

+const mysql = require("mysql");
+
+const db = mysql.createConnection({
+    host: process.env.DB_HOST,
+    user: process.env.DB_USER,
+    password: process.env.DB_PASSWORD,
+    database: process.env.DB_DATABASE,
+});
+
+db.connect();
+
+module.exports = db;
\ No newline at end of file

-{
-	"id": [
-		"jeongmin",
-		"jumi",
-		"sss",
-		"sjeongmin"
-	],
-	"password": [
-		"1234",
-		"1234",
-		"1111",
-		"1111"
-	],
-	"name": [
-		"서정민",
-		"양주미",
-		"정민",
-		"서정민"
-	]
-}

 'use strict';
-
+//for DB manipulate
 const UserStorage = require("./UserStorage");
 
 class User {
@@ -9,6 +9,8 @@ class User {
 
     async login() {
         const client = this.body;
+        try {
+
             const {id, password} = await UserStorage.getUserInfo(client.id);
             // console.log(id, password);
             
@@ -19,6 +21,9 @@ class User {
                 return { success : false, msg: "비밀번호가 틀렸습니다."};
             }
             return {success: false, msg: "존재하지 않는 아이디입니다."};
+        } catch (err) {
+            return {success: false, msg: err};
+        }
     }
 
     async register() {

 'use strict';
-//파일시스템 이용해서 파일 접근 및 DB 관리
-const fs = require("fs").promises;
+//for DB CRUD
+const db = require("../config/db");
 
-class UserStorage {
-
-    static #getUserInfo(data, id) {
-        const users = JSON.parse(data);
-        const idx = users.id.indexOf(id);
-        const userKeys = Object.keys(users); // [id, password, name]
-        const userInfo = userKeys.reduce((newUser, info) => {
-            newUser[info] = users[info][idx];
-            return newUser;
-        }, {});
-        // console.log(userInfo);
-        return userInfo;
-    }
 
-    static #getUsers(data, isAll, fields) {
-        const users = JSON.parse(data);
-        if (isAll) return users;
-
-        const newUsers = fields.reduce((newUsers, field) => {
-            if (users.hasOwnProperty(field)) {
-                newUsers[field] = users[field];
-            }
-            return newUsers;
-        }, {});
-        return newUsers;
-    }
-    
-    static getUsers(isAll, ...fields) {
-        return fs
-            .readFile("./src/databases/users.json")
-            .then((data) => {
-                return this.#getUsers(data, isAll, fields);
-            })
-            .catch((err) => console.error);
-    }
+class UserStorage {    
+    // static getUsers(isAll, ...fields) {
+    // }
 
     static getUserInfo(id) {
-        return fs
-            .readFile("./src/databases/users.json")
-            .then((data) => {
-                return this.#getUserInfo(data, id);
-            })
-            .catch((err) => console.error);
+        return new Promise((resolve, reject) => {
+            const query = "SELECT * FROM users WHERE id = ?;";
+            db.query(query, [id], (err, data) => {
+                if (err) reject(`${err}`);
+                // console.log(data[0]);
+                resolve(data[0]);
+            });
+        });
     }
 
     static async save(userInfo) {
-        const users = await this.getUsers(true);
-        //id가 없으면 회원가입 가능
-        if (users.id.includes(userInfo.id)) {
-            throw "이미 존재하는 아이디입니다.";
+        return new Promise((resolve, reject) => {
+            const query = "INSERT INTO users(id, name, password) VALUES(?, ?, ?);";
+            db.query(
+                query, 
+                [userInfo.id, userInfo.name, userInfo.password],
+                (err, data) => {
+                    if (err) reject(`${err}`);
+                    // console.log(data[0]);
+                    resolve({ success: true});
                 }
-        users.id.push(userInfo.id);
-        users.name.push(userInfo.name);
-        users.password.push(userInfo.password);
-        fs.writeFile("./src/databases/users.json", JSON.stringify(users));
-        return { success: true};
+            );
+        });
     }
 }
 

+{
+  "lockfileVersion": 1
+}