Bootcamp Day 7

.gitignore

@@ -1,2 +1,4 @@
 .DS_Store
 node_modules/
+.env
+secrets.json

server/index.js

@@ -0,0 +1,65 @@
+const express = require('express');
+const pg = require('pg')
+const cors = require('cors');
+
+const secrets = require('./secrets.json');
+
+const app = express();
+
+app.use(cors())
+app.use(express.json())
+
+async function setupApp() {
+  const pgClient = new pg.Client({
+    database: secrets.DATABASE_NAME,
+    user: secrets.DATABASE_USER,
+    password: secrets.DATABASE_PASSWORD,
+  });
+  await pgClient.connect();
+
+  // HTTP: method (GET or POST...)
+  // GET /messages
+  app.get('/messages', function(req, res) {
+    pgClient.query('SELECT * FROM messages;').then((result) => {
+      return res.send(result.rows);
+    });
+  });
+
+  app.post('/messages', async function(req, res) {
+    // consider usually doing beforehand:
+    // 1) filter out undesired properties
+    // 2) validate the supplied request information
+    const newMessage = req.body;
+
+    // if authenticated, usually you'd get something like:
+    // req.user
+    const author = { id: '123', username: 'fakeuser' };
+
+    try {
+      const result = await pgClient.query(`INSERT INTO messages (comment, author_id, created_at) VALUES ($1, $2, $3) RETURNING *`, [newMessage.comment, author.id, new Date()])
+
+      return res.send(result.rows[0]);
+    }
+    catch (error) {
+      // report error somewhere
+      console.error(error);
+      return res.status(500).send({ error: 'Internal Server Error' });
+    }
+
+  });
+
+  // REST naming CONVENTION for endpoint paths:
+  // retrieve all things:   GET /resource
+  // retrieve one thing:    GET /resource/:resourceId  (express req.params.resourceId)
+  // delete one thing:      DELETE /resource/:resourceId
+  // update one thing:      PUT /resource/:resourceId
+  // partial update thing:  PATCH /resource/:resourceId
+  // create one thing:      POST /resource
+
+  const port = 3001;
+  app.listen(port, function() {
+    console.log(`Server is running at http://localhost:${port}`);
+  });
+}
+
+setupApp();