Files
ECS-FullStack/backend/pg.js

93 lines
3.1 KiB
JavaScript

const { Pool } = require('pg');
const format = require('pg-format');
let pool;
function initPool() {
if (pool) return pool;
const connectionString = process.env.DATABASE_URL;
if (!connectionString) throw new Error('DATABASE_URL is not set');
pool = new Pool({ connectionString });
return pool;
}
async function ensureSchema() {
const p = initPool();
// basic tables: servers (settings), invites
await p.query(`
CREATE TABLE IF NOT EXISTS servers (
guild_id TEXT PRIMARY KEY,
settings JSONB DEFAULT '{}'
);
`);
await p.query(`
CREATE TABLE IF NOT EXISTS invites (
code TEXT PRIMARY KEY,
guild_id TEXT NOT NULL,
url TEXT,
channel_id TEXT,
created_at TIMESTAMP WITH TIME ZONE DEFAULT now(),
max_uses INTEGER DEFAULT 0,
max_age INTEGER DEFAULT 0,
temporary BOOLEAN DEFAULT false
);
`);
await p.query(`
CREATE TABLE IF NOT EXISTS users (
id SERIAL PRIMARY KEY,
discord_id TEXT UNIQUE,
data JSONB DEFAULT '{}'
);
`);
}
// Servers
async function getServerSettings(guildId) {
const p = initPool();
const res = await p.query('SELECT settings FROM servers WHERE guild_id = $1', [guildId]);
if (res.rowCount === 0) return null;
return res.rows[0].settings || {};
}
async function upsertServerSettings(guildId, settings) {
const p = initPool();
await p.query(`INSERT INTO servers(guild_id, settings) VALUES($1, $2)
ON CONFLICT (guild_id) DO UPDATE SET settings = $2`, [guildId, settings]);
}
// Invites
async function listInvites(guildId) {
const p = initPool();
const res = await p.query('SELECT code, url, channel_id, created_at, max_uses, max_age, temporary FROM invites WHERE guild_id = $1 ORDER BY created_at DESC', [guildId]);
return res.rows;
}
async function addInvite(inv) {
const p = initPool();
const q = `INSERT INTO invites(code, guild_id, url, channel_id, created_at, max_uses, max_age, temporary) VALUES($1,$2,$3,$4,$5,$6,$7,$8)
ON CONFLICT (code) DO UPDATE SET url = EXCLUDED.url, channel_id = EXCLUDED.channel_id, max_uses = EXCLUDED.max_uses, max_age = EXCLUDED.max_age, temporary = EXCLUDED.temporary, created_at = EXCLUDED.created_at`;
await p.query(q, [inv.code, inv.guildId, inv.url, inv.channelId, inv.createdAt ? new Date(inv.createdAt) : new Date(), inv.maxUses || 0, inv.maxAge || 0, inv.temporary || false]);
}
async function deleteInvite(guildId, code) {
const p = initPool();
await p.query('DELETE FROM invites WHERE guild_id = $1 AND code = $2', [guildId, code]);
}
// Users
async function getUserData(discordId) {
const p = initPool();
const res = await p.query('SELECT data FROM users WHERE discord_id = $1', [discordId]);
if (res.rowCount === 0) return null;
return res.rows[0].data || {};
}
async function upsertUserData(discordId, data) {
const p = initPool();
await p.query(`INSERT INTO users(discord_id, data) VALUES($1, $2) ON CONFLICT (discord_id) DO UPDATE SET data = $2`, [discordId, data]);
}
module.exports = { initPool, ensureSchema, getServerSettings, upsertServerSettings, listInvites, addInvite, deleteInvite, getUserData, upsertUserData };