Added functionality for neo4js database

features/data/DELETE_data.js

@@ -0,0 +1,29 @@
+const express = require('express');
+const router = express.Router();
+const pool = require('../../db');
+
+
+async function delete_data(req, res) {
+    try {
+        const name = req.query.name;
+        const result = await pool.query('DELETE FROM data WHERE name = $1', [name]);
+        res.status(200).json({
+            message: 'Data Deleted',
+            deleted: result.rows
+        })
+    }
+    catch (err) {
+        console.error('database query failed', {
+            message: err.message,
+            code: err.code,
+            detail: err.detail,
+            hint: err.hint,
+            stack: err.stack,
+        });
+        res.status(500).send('Data has not been deleted, request failed');
+    }
+};
+
+
+router.delete('/', delete_data);
+module.exports = router;

features/data/GET_data.js

@@ -0,0 +1,26 @@
+const express = require('express');
+const router = express.Router();
+const pool = require('../../db');
+
+
+async function get_data(req, res) {
+    try {
+        const result = await pool.query('SELECT id, name, created_at FROM data');
+        console.log(result.rows);
+        res.json(result.rows);
+    }
+    catch (err) {
+        console.error('[get_data] database query failed', {
+            message: err.message,
+            code: err.code,
+            detail: err.detail,
+            hint: err.hint,
+            stack: err.stack,
+        });
+        res.status(500).send('No data available, request failed');
+    }
+};
+
+
+router.get('/', get_data);
+module.exports = router;

features/data/POST_data.js

@@ -0,0 +1,27 @@
+const express = require('express');
+const router = express.Router();
+const pool = require('../../db');
+
+
+async function post_data(req, res) {
+    try {
+        const { name } = req.body;
+        const { rows } = await pool.query('INSERT INTO data (name) VALUES ($1)', [name]);
+        console.log(rows[0]);
+        res.json(rows[0]);
+    }
+    catch (err) {
+        console.error('database query failed', {
+            message: err.message,
+            code: err.code,
+            detail: err.detail,
+            hint: err.hint,
+            stack: err.stack,
+        });
+        res.status(500).send('Data was not pushed, request failed');
+    }
+};
+
+
+router.post('/', post_data);
+module.exports = router;