switch to monorepo structure

packages/server/src/database.ts

@@ -0,0 +1,76 @@
+import { Database } from "bun:sqlite"
+
+const SCHEMA_VERSION = 0
+
+const db = new Database("data.sqlite")
+
+const createMetadataTableQuery = db.query(`
+	CREATE TABLE IF NOT EXISTS metadata(
+		key TEXT NOT NULL PRIMARY KEY,
+		value,
+		UNIQUE(key)
+	);
+`)
+
+const schemaVersionQuery = db.query("SELECT version FROM metadata WHERE key = 'schema_version'")
+const setSchemaVersionQuery = db.query("UPDATE metadata SET value = $schemaVersion WHERE key = 'schema_version'")
+
+const migrations = [
+	`
+CREATE TABLE IF NOT EXISTS users(
+	id TEXT PRIMARY KEY,
+	username TEXT NOT NULL,
+	password TEXT NOT NULL,
+);
+
+CREATE TABLE IF NOT EXISTS bookmarks(
+	id TEXT PRIMARY KEY,
+	user_id TEXT NOT NULL,
+	kind TEXT NOT NULL,
+	title TEXT NOT NULL,
+	url TEXT NOT NULL
+);
+
+CREATE TABLE IF NOT EXISTS sessions(
+	session_id TEXT NOT NULL,
+	user_id TEXT NOT NULL,
+	expires_at_unix_ms INTEGER NOT NULL,
+	PRIMARY KEY (session_id, user_id)
+);
+
+CREATE TABLE IF NOT EXISTS auth_tokens(
+	id TEXT PRIMARY KEY,
+	token TEXT NOT NULL,
+	user_id TEXT NOT NULL,
+	expires_at_unix_ms INTEGER NOT NULL
+);
+`,
+]
+
+const executeMigrations = db.transaction((migration) => {
+	db.run(migration)
+})
+
+function migrateDatabase() {
+	createMetadataTableQuery.run()
+
+	const row = schemaVersionQuery.get()
+	let currentVersion: number
+	if (row) {
+		currentVersion = (row as { version: number }).version
+		console.log(`Migrating database from version ${currentVersion} to version ${SCHEMA_VERSION}...`)
+	} else {
+		currentVersion = -1
+		console.log("Initializing database...")
+	}
+
+	if (currentVersion < SCHEMA_VERSION) {
+		executeMigrations(migrations.slice(currentVersion + 1, SCHEMA_VERSION + 1))
+		setSchemaVersionQuery.run({ schemaVersion: SCHEMA_VERSION })
+		console.log("Database successfully migrated!")
+	} else {
+		console.error("Rolling back database to a previous version is unsupported. Are you trying to downgrade MARKONE?")
+	}
+}
+
+export { db, migrateDatabase }