Created two API endpoints.

api/hello.js

@@ -1,14 +1,6 @@
 const express = require('express');
-const cookieParser = require('cookie-parser');
-const cors = require('cors');
-const jwt = require('jsonwebtoken');
-
 const router = express.Router();
 
-router.use(express.json());
-router.use(cookieParser());
-router.use(cors());
-
 router.get('/', (req, res) => {
     res.send('Hello World!');
 });

api/shareholders.js

@@ -0,0 +1,18 @@
+const express = require('express');
+const router = express.Router();
+const { getConnection, getShareholders } = require("../libs/mysql.js")
+
+router.get('/', async (req, res) => {
+  const connection = await getConnection()
+  const shareholders = await getShareholders(connection)
+  connection.end()
+
+  if (!shareholders[0]) {
+    return res.status(500).send({message: "There are no shareholders in the databse."})
+  }
+
+  return res.status(200).send(shareholders)
+});
+
+module.exports = router;
+

api/shares.js

@@ -0,0 +1,17 @@
+const express = require('express');
+const router = express.Router();
+const { getConnection, getShares } = require("../libs/mysql.js")
+
+router.get('/', async (req, res) => {
+  const connection = await getConnection()
+  const shares = await getShares(connection)
+  connection.end()
+  if (!shares[0]) {
+    return res.status(500).send({message: "There are no shares in the databse."})
+  }
+
+  return res.status(200).send(shares)
+});
+
+module.exports = router;
+

index.js

@@ -4,6 +4,7 @@ const path = require("path");
 const config = require("./config");
 const cookieParser = require("cookie-parser");
 const cors = require("cors");
+require("dotenv").config()
 
 const app = express();
 const port = config.port || 3000;

libs/mysql.js

@@ -0,0 +1,47 @@
+const mysql = require("mysql");
+
+function getConnection() {
+  return mysql.createConnection({
+    host: process.env.MYSQL_HOST,
+    user: process.env.MYSQL_USER,
+    password: process.env.MYSQL_PASSWORD,
+    database: process.env.MYSQL_DB,
+  });
+}
+
+function getShares(connection) {
+  return new Promise((resolve, reject) => {
+    connection.query(
+      `SELECT * FROM Share`,
+      (error, result) => {
+        if (error) {
+          throw(new Error(error));
+        }
+        resolve(result);
+      }
+    );
+  });
+}
+
+function getShareholders(connection) {
+  return new Promise((resolve, reject) => {
+    connection.query(
+      `SELECT * FROM Shareholder`,
+      (error, result) => {
+        if (error) {
+          throw(new Error(error));
+        }
+        resolve(result);
+      }
+    );
+  });
+}
+
+module.exports = {
+  getConnection,
+
+  getShares,
+
+  getShareholders,
+}
+

package.json

@@ -14,10 +14,12 @@
     "axios": "^1.6.5",
     "cookie-parser": "^1.4.6",
     "cors": "^2.8.5",
-    "dotenv": "^16.3.1",
+    "dotenv": "^16.4.7",
     "express": "^4.18.2",
     "fs": "^0.0.1-security",
     "https": "^1.0.0",
-    "jsonwebtoken": "^9.0.2"
+    "jsonwebtoken": "^9.0.2",
+    "mysql": "^2.18.1",
+    "nodemon": "^3.1.7"
   }
 }