RyderTech/rsvp-manager
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Fix TypeScript errors by properly typing MySQL query results

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Your Name
2025-04-29 14:20:37 -04:00
parent fb32f8a71f
commit 9580cdc547
1 changed files with 29 additions and 9 deletions
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38
backend/src/index.ts
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@@ -1,6 +1,6 @@
import express, { Request, Response } from 'express';
import cors from 'cors';
import mysql from 'mysql2/promise';
import mysql, { RowDataPacket, ResultSetHeader } from 'mysql2/promise';
import dotenv from 'dotenv';
dotenv.config();
@@ -23,10 +23,30 @@ const pool = mysql.createPool({
queueLimit: 0
});
interface Event extends RowDataPacket {
id: number;
title: string;
description: string;
date: string;
location: string;
slug: string;
}
interface RSVP extends RowDataPacket {
id: number;
event_id: number;
name: string;
attending: string;
bringing_guests: string;
guest_count: number;
guest_names: string;
items_bringing: string;
}
// Routes
app.get('/api/events', async (req: Request, res: Response) => {
try {
const [rows] = await pool.query('SELECT * FROM events');
const [rows] = await pool.query<Event[]>('SELECT * FROM events');
res.json(rows);
} catch (error) {
console.error('Error fetching events:', error);
@@ -37,7 +57,7 @@ app.get('/api/events', async (req: Request, res: Response) => {
app.get('/api/events/:slug', async (req: Request, res: Response) => {
try {
const { slug } = req.params;
const [rows] = await pool.query('SELECT * FROM events WHERE slug = ?', [slug]);
const [rows] = await pool.query<Event[]>('SELECT * FROM events WHERE slug = ?', [slug]);
if (rows.length === 0) {
return res.status(404).json({ error: 'Event not found' });
}
@@ -54,7 +74,7 @@ app.post('/api/events', async (req: Request, res: Response) => {
// Generate a slug from the title
const slug = title.toLowerCase().replace(/[^a-z0-9]+/g, '-');
const [result] = await pool.query(
const [result] = await pool.query<ResultSetHeader>(
'INSERT INTO events (title, description, date, location, slug) VALUES (?, ?, ?, ?, ?)',
[title, description, date, location, slug]
);
@@ -69,14 +89,14 @@ app.post('/api/events', async (req: Request, res: Response) => {
app.get('/api/events/:slug/rsvps', async (req: Request, res: Response) => {
try {
const { slug } = req.params;
const [eventRows] = await pool.query('SELECT id FROM events WHERE slug = ?', [slug]);
const [eventRows] = await pool.query<Event[]>('SELECT id FROM events WHERE slug = ?', [slug]);
if (eventRows.length === 0) {
return res.status(404).json({ error: 'Event not found' });
}
const eventId = eventRows[0].id;
const [rows] = await pool.query('SELECT * FROM rsvps WHERE event_id = ?', [eventId]);
const [rows] = await pool.query<RSVP[]>('SELECT * FROM rsvps WHERE event_id = ?', [eventId]);
res.json(rows);
} catch (error) {
console.error('Error fetching RSVPs:', error);
@@ -89,14 +109,14 @@ app.post('/api/events/:slug/rsvp', async (req: Request, res: Response) => {
const { slug } = req.params;
const { name, attending, bringing_guests, guest_count, guest_names, items_bringing } = req.body;
const [eventRows] = await pool.query('SELECT id FROM events WHERE slug = ?', [slug]);
const [eventRows] = await pool.query<Event[]>('SELECT id FROM events WHERE slug = ?', [slug]);
if (eventRows.length === 0) {
return res.status(404).json({ error: 'Event not found' });
}
const eventId = eventRows[0].id;
const [result] = await pool.query(
const [result] = await pool.query<ResultSetHeader>(
'INSERT INTO rsvps (event_id, name, attending, bringing_guests, guest_count, guest_names, items_bringing) VALUES (?, ?, ?, ?, ?, ?, ?)',
[eventId, name, attending, bringing_guests, guest_count, guest_names, items_bringing]
);
@@ -112,7 +132,7 @@ app.delete('/api/events/:slug/rsvps/:id', async (req: Request, res: Response) =>
const { slug, id } = req.params;
// Verify the RSVP belongs to the correct event
const [eventRows] = await pool.query('SELECT id FROM events WHERE slug = ?', [slug]);
const [eventRows] = await pool.query<Event[]>('SELECT id FROM events WHERE slug = ?', [slug]);
if (eventRows.length === 0) {
return res.status(404).json({ error: 'Event not found' });