NW6 | Fikret Ellek | Module-Database | E-Commerce-Api | Week 4

E-Commerce-API/.env

@@ -0,0 +1,6 @@
+
+DB_HOST=localhost
+DB_PORT=5432
+DB_DATABASE=cyf_ecommerce
+DB_USERNAME=admin
+DB_PASSWORD=

E-Commerce-API/app.js

@@ -1,5 +1,15 @@
 const express = require("express");
+const { connectDB, disconnectDb } = require("./db.js");
+const router = require("./router.js");
+const bodyParser = require("body-parser");
+
 const app = express();
+// connectDB();
+app.use(bodyParser.json());
+app.use("/", router);
+// app.listen(3100, () => {
+//   console.log("app is listening on port 3100");
+// });
 // Your code to run the server should go here
 // Don't hardcode your DB password in the code or upload it to GitHub! Never ever do this ever.
 // Use environment variables instead:

E-Commerce-API/db.js

@@ -0,0 +1,43 @@
+const pg = require("pg");
+
+const { Pool } = pg;
+
+const pool = new Pool({
+  connectionString: "postgresql://admin:3214@localhost:5432/cyf_ecommerce",
+  connectionTimeoutMillis: 5000,
+  ssl: false,
+});
+
+const connectDB = async () => {
+  if (!pool) {
+    return;
+  }
+
+  let client;
+  try {
+    client = await pool.connect();
+  } catch (err) {
+    console.log(err);
+    throw err;
+  }
+  console.log(`postgres connected to ${client.database} on port 5432`);
+  client.release();
+};
+
+const disconnectDb = () => {
+  if (!pool) {
+    return;
+  }
+  pool.end();
+};
+
+module.exports = {
+  connectDB,
+  disconnectDb,
+  query: (...args) => {
+    if (!pool) {
+      return;
+    }
+    return pool.query.apply(pool, args);
+  },
+};