add interactions (cheer/faves)

apps/rooms/src/rooms-db.ts

@@ -22,6 +22,16 @@ export const SCHEMA_DDL: string[] = [
 	`CREATE UNIQUE INDEX IF NOT EXISTS idx_rooms_room_id ON rooms (room_id)`,
 	`CREATE INDEX IF NOT EXISTS idx_rooms_name_lower ON rooms (name_lower)`,
 	`CREATE INDEX IF NOT EXISTS idx_rooms_creator ON rooms (creator_account_id)`,
+	// Per-player interaction state with a room (cheered/favorited + last visit).
+	// One row per (player, room); cheer/favorite are toggled in place.
+	`CREATE TABLE IF NOT EXISTS interaction (
+		player_id INTEGER NOT NULL,
+		room_id INTEGER NOT NULL,
+		cheered INTEGER NOT NULL DEFAULT 0,
+		favorited INTEGER NOT NULL DEFAULT 0,
+		last_visited_at TEXT,
+		PRIMARY KEY (player_id, room_id)
+	)`,
 ]
 
 /** A stored room — the parsed JSON blob (full client-facing room response). */
@@ -71,6 +81,77 @@ export async function getRoomsByCreator(db: D1Database, accountId: number): Prom
 	return parseAll(results)
 }
 
+/** A player's interaction state with a room. */
+export interface Interaction {
+	Cheered: boolean
+	Favorited: boolean
+}
+
+interface InteractionRow {
+	cheered: number
+	favorited: number
+}
+
+const toInteraction = (row: InteractionRow | null): Interaction => ({
+	Cheered: row?.cheered === 1,
+	Favorited: row?.favorited === 1,
+})
+
+/** Read a player's interaction with a room (defaults to all-false if none). */
+export async function getInteraction(
+	db: D1Database,
+	playerId: number,
+	roomId: number
+): Promise<Interaction> {
+	return toInteraction(
+		await db
+			.prepare('SELECT cheered, favorited FROM interaction WHERE player_id = ?1 AND room_id = ?2')
+			.bind(playerId, roomId)
+			.first<InteractionRow>()
+	)
+}
+
+/** Upsert+toggle a single boolean column, returning the resulting interaction. */
+async function toggleInteraction(
+	db: D1Database,
+	playerId: number,
+	roomId: number,
+	column: 'cheered' | 'favorited'
+): Promise<Interaction> {
+	const now = new Date().toISOString()
+	// First interaction defaults the toggled column to 1; subsequent calls flip it.
+	return toInteraction(
+		await db
+			.prepare(
+				`INSERT INTO interaction (player_id, room_id, ${column}, last_visited_at)
+				 VALUES (?1, ?2, 1, ?3)
+				 ON CONFLICT(player_id, room_id)
+				 DO UPDATE SET ${column} = NOT ${column}, last_visited_at = ?3
+				 RETURNING cheered, favorited`
+			)
+			.bind(playerId, roomId, now)
+			.first<InteractionRow>()
+	)
+}
+
+/** Toggle the player's cheer on a room, returning the resulting interaction. */
+export async function toggleCheer(
+	db: D1Database,
+	playerId: number,
+	roomId: number
+): Promise<Interaction> {
+	return toggleInteraction(db, playerId, roomId, 'cheered')
+}
+
+/** Toggle the player's favorite on a room, returning the resulting interaction. */
+export async function toggleFavorite(
+	db: D1Database,
+	playerId: number,
+	roomId: number
+): Promise<Interaction> {
+	return toggleInteraction(db, playerId, roomId, 'favorited')
+}
+
 /**
  * Search-tag aliases: a queried `#tag` also matches these stored tag names.
  * The client's pinned filters don't always match how rooms are tagged (e.g. it

apps/rooms/src/rooms.app.ts

@@ -4,7 +4,16 @@ import { useWorkersLogger } from 'workers-tagged-logger'
 import { withNotFound, withOnError } from '@repo/hono-helpers'
 
 import { validateAndGetAccountId } from './jwt'
-import { getRoomById, getRoomByName, getRoomsByCreator, getRoomsByIds, searchRooms } from './rooms-db'
+import {
+	getInteraction,
+	getRoomById,
+	getRoomByName,
+	getRoomsByCreator,
+	getRoomsByIds,
+	searchRooms,
+	toggleCheer,
+	toggleFavorite,
+} from './rooms-db'
 
 import type { Context } from 'hono'
 import type { App } from './context'
@@ -141,6 +150,36 @@ const app = new Hono<App>()
 	.get('/rooms/ownedby/me', async (c) => c.json(await getRoomsByCreator(c.env.DB, await ownerId(c))))
 	.get('/rooms/createdby/me', async (c) => c.json(await getRoomsByCreator(c.env.DB, await ownerId(c))))
 
+	// The current player's interaction state with a room (cheered/favorited/last
+	// visited), read from the `interaction` table.
+	.get('/rooms/:roomId{[0-9]+}/interactionby/me', async (c) => {
+		const interaction = await getInteraction(
+			c.env.DB,
+			await ownerId(c),
+			Number.parseInt(c.req.param('roomId'), 10)
+		)
+		return c.json({ ...interaction, LastVisitedAt: new Date().toISOString() })
+	})
+
+	// Toggle the player's cheer/favorite on a room. Both are PUTs that flip the
+	// stored flag and return the updated interaction (matches the C#).
+	.put('/rooms/:roomId{[0-9]+}/interactionby/me/cheer', async (c) => {
+		const interaction = await toggleCheer(
+			c.env.DB,
+			await ownerId(c),
+			Number.parseInt(c.req.param('roomId'), 10)
+		)
+		return c.json({ ...interaction, LastVisitedAt: new Date().toISOString() })
+	})
+	.put('/rooms/:roomId{[0-9]+}/interactionby/me/favorite', async (c) => {
+		const interaction = await toggleFavorite(
+			c.env.DB,
+			await ownerId(c),
+			Number.parseInt(c.req.param('roomId'), 10)
+		)
+		return c.json({ ...interaction, LastVisitedAt: new Date().toISOString() })
+	})
+
 	// Single room by id. 404 when the room isn't in D1 (matches the C#). Ignores
 	// the include/unityAsset* query params, same as the C#.
 	.get('/rooms/:roomId{[0-9]+}', async (c) => {

apps/rooms/src/test/integration/api.test.ts

@@ -155,4 +155,36 @@ describe('rooms endpoints', () => {
 			expect(body.Permissions.length).toBeGreaterThan(0)
 		}
 	})
+
+	it('interaction: defaults to false, cheer/favorite toggle and persist', async () => {
+		type Interaction = { Cheered: boolean; Favorited: boolean; LastVisitedAt: string }
+		const headers = await bearer('555')
+		const get = async () =>
+			(await (
+				await SELF.fetch(`${ORIGIN}/rooms/12/interactionby/me`, { headers })
+			).json()) as Interaction
+		const put = async (action: 'cheer' | 'favorite') =>
+			(await (
+				await SELF.fetch(`${ORIGIN}/rooms/12/interactionby/me/${action}`, { method: 'PUT', headers })
+			).json()) as Interaction
+
+		// No row yet → both false.
+		expect(await get()).toMatchObject({ Cheered: false, Favorited: false })
+
+		// Cheer on, then favorite on.
+		expect(await put('cheer')).toMatchObject({ Cheered: true, Favorited: false })
+		expect(await put('favorite')).toMatchObject({ Cheered: true, Favorited: true })
+		// Persisted across a fresh GET.
+		expect(await get()).toMatchObject({ Cheered: true, Favorited: true })
+
+		// Toggling again flips back.
+		expect(await put('cheer')).toMatchObject({ Cheered: false, Favorited: true })
+
+		// Scoped per player — a different account starts fresh.
+		const other = await bearer('556')
+		const otherGet = (await (
+			await SELF.fetch(`${ORIGIN}/rooms/12/interactionby/me`, { headers: other })
+		).json()) as Interaction
+		expect(otherGet).toMatchObject({ Cheered: false, Favorited: false })
+	})
 })