custom dorm rooms

apps/match/src/rooms-db.ts

@@ -29,3 +29,70 @@ export async function getRoomByName(db: D1Database, name: string): Promise<Room
 			.first<RoomRow>()
 	)
 }
+
+/** The seeded template dorm (RoomId 1) that personal dorms are cloned from. */
+const DORM_TEMPLATE_ROOM_ID = 1
+
+/** A player's username from the shared accounts table (for naming their dorm), or null. */
+export async function getUsername(db: D1Database, accountId: number): Promise<string | null> {
+	const row = await db
+		.prepare('SELECT data FROM accounts WHERE account_id = ?1')
+		.bind(accountId)
+		.first<{ data: string }>()
+	if (!row) return null
+	const account = JSON.parse(row.data) as { username?: string }
+	return typeof account.username === 'string' ? account.username : null
+}
+
+/** A player's personal dorm room (owned by them, IsDorm), or null if none yet. */
+export async function getDormRoom(db: D1Database, accountId: number): Promise<Room | null> {
+	return parseOne(
+		await db
+			.prepare('SELECT data FROM rooms WHERE creator_account_id = ?1 AND is_dorm = 1 LIMIT 1')
+			.bind(accountId)
+			.first<RoomRow>()
+	)
+}
+
+/**
+ * The player's personal dorm room, created on first access. Cloned from the
+ * seeded template dorm (RoomId 1) but owned by the player and flagged IsDorm — so
+ * matchmaking routes them into their own dorm and they can save it via the
+ * owner-gated room-save. Idempotent: returns the existing dorm once created.
+ *
+ * NOTE: this is the one place the match worker writes to the rooms table (the
+ * `rooms` worker otherwise owns the schema).
+ */
+export async function getOrCreateDormRoom(db: D1Database, accountId: number): Promise<Room> {
+	const existing = await getDormRoom(db, accountId)
+	if (existing) return existing
+
+	const template = await getRoomById(db, DORM_TEMPLATE_ROOM_ID)
+	const idRow = await db
+		.prepare('SELECT COALESCE(MAX(room_id), 1) + 1 AS next FROM rooms')
+		.first<{ next: number }>()
+	const roomId = idRow?.next ?? 2
+
+	// Reuse the template's subroom (scene/capacity), owned by the player, starting
+	// from a clean save. Fall back to the base dorm scene if the template is absent.
+	const templateSub =
+		template && Array.isArray(template.SubRooms) && template.SubRooms.length > 0
+			? (template.SubRooms[0] as Record<string, unknown>)
+			: { SubRoomId: 1, UnitySceneId: '76d98498-60a1-430c-ab76-b54a29b7a163', MaxPlayers: 4 }
+
+	// Named after the owner: `@<username>'s Dorm` (falls back to the account id).
+	const username = (await getUsername(db, accountId)) ?? `Player${accountId}`
+
+	const room: Room = {
+		...(template ?? { Accessibility: 2 }),
+		RoomId: roomId,
+		Name: `@${username}'s Dorm`,
+		CreatorAccountId: accountId,
+		IsDorm: true,
+		Roles: [{ AccountId: accountId, Role: 255, LastChangedByAccountId: null, InvitedRole: 0 }],
+		SubRooms: [{ ...templateSub, CreatorAccountId: accountId }],
+		CreatedAt: new Date().toISOString(),
+	}
+	await db.prepare('INSERT INTO rooms (data) VALUES (?1)').bind(JSON.stringify(room)).run()
+	return room
+}