add: added image attachments to messages

back/api/attachments.js

@@ -0,0 +1,22 @@
+const express = require('express');
+const { getConnection, getAttachment } = require('../libs/mysql');
+const fs = require('node:fs');
+const path = require('node:path');
+
+const router = express.Router();
+
+router.get('/:file_name', async (req, res) => {
+    const { file_name } = req.params;
+
+    const connection = await getConnection();
+    const attachment = await getAttachment(connection, file_name);
+    connection.end();
+
+    if (!attachment[0]) {
+        return res.status(404).send({ error: 'File not found' });
+    }
+
+    res.sendFile(path.join(__dirname, `../data/attachments/${attachment[0].file_name}`), { headers: { 'Content-Type': 'image' } });
+})
+
+module.exports = router;