track owned inventions

apps/api/src/inventions-db.ts

@@ -12,7 +12,12 @@
  * The stored/returned DTO mirrors Rec Room's `RRInvention` (PascalCase), including
  * the nested `CurrentVersion` that carries the blob name and per-version costs —
  * shaped after a real `GET /api/inventions/v1?inventionId=…` response.
+ *
+ * Who OWNS an invention is a separate table (`inventory_invention`, written by the
+ * `econ` worker at purchase time); this module only reads it, to fold bought inventions
+ * into the caller's own list. See @repo/domain's inventory-invention-db.ts.
  */
+import { getOwnedInventionIds } from '@repo/domain'
 
 /**
  * Schema DDL (mirror of migrations/0002_invention.sql + 0003_invention_featured.sql,
@@ -265,6 +270,32 @@ export async function getInventionsByCreator(
 		.sort((a, b) => b.CreatedAt.localeCompare(a.CreatedAt) || b.InventionId - a.InventionId)
 }
 
+/**
+ * The player's "my inventions" shelf (`v2/mine`): everything they created, plus
+ * everything they BOUGHT. Ownership of a bought invention lives in the
+ * `inventory_invention` table the `econ` worker writes at purchase time — a creator is
+ * never listed there (they own theirs through `CreatorPlayerId`), so the two sets are
+ * disjoint in practice and merged by id anyway.
+ *
+ * Bought inventions are returned whatever their state: unpublished or hidden since the
+ * purchase, they are still on the shelf of the player who paid for them. An owned id
+ * with no invention row left (deleted) simply drops out. Newest first, like the other
+ * invention lists; not paginated.
+ */
+export async function getMyInventions(db: D1Database, playerId: number): Promise<SavedInvention[]> {
+	const [created, ownedIds] = await Promise.all([
+		getInventionsByCreator(db, playerId),
+		getOwnedInventionIds(db, playerId),
+	])
+	const bought = await getInventionsByIds(db, ownedIds)
+
+	const byId = new Map<number, SavedInvention>()
+	for (const invention of [...created, ...bought]) byId.set(invention.InventionId, invention)
+	return [...byId.values()].sort(
+		(a, b) => b.CreatedAt.localeCompare(a.CreatedAt) || b.InventionId - a.InventionId
+	)
+}
+
 /**
  * Invention search — the browse/search list the client shows when picking an
  * invention to spawn. Only published, non-hidden inventions are visible here (a

apps/api/src/routes/avatar.ts

@@ -6,12 +6,12 @@ import {
 	createInvention,
 	getFeaturedInventions,
 	getInventionById,
-	getInventionsByCreator,
 	getInventionsByIds,
 	getInventionsByRoom,
 	getInventionTagFilters,
 	getInventionTags,
 	getInventionVersion,
+	getMyInventions,
 	getTopInventions,
 	parsePermissionLevel,
 	publishInvention,
@@ -648,16 +648,20 @@ export const avatarRoutes = new Hono<App>({ strict: false })
 		}
 	)
 
-	// The signed-in player's saved inventions ("my inventions"), newest first.
-	// Auth-gated; returns a bare array (empty when the player has saved none).
+	// The signed-in player's invention shelf ("my inventions"), newest first — the ones
+	// they created AND the ones they bought (`inventory_invention`, written by the `econ`
+	// worker's buyInvention). A bought invention stays on the shelf whatever happens to it
+	// afterwards: unpublished or hidden since, the buyer paid for it.
+	// Auth-gated; returns a bare array (empty when the player has neither).
 	.get(
 		'/api/inventions/v2/mine',
 		describeRoute({
 			tags: ['Inventions'],
 			summary: 'The caller’s own inventions',
 			description:
-				'“My inventions”, newest first — including unpublished ones, which nobody else can ' +
-				'see. Not paginated.',
+				'“My inventions”, newest first — the ones the caller created plus the ones they ' +
+				'bought. Includes unpublished ones, which nobody else can see, and keeps a bought ' +
+				'invention listed even if it has since been unpublished or hidden. Not paginated.',
 			security: AUTHED,
 			responses: {
 				200: json(InventionDto.array(), 'The caller’s inventions'),
@@ -667,7 +671,7 @@ export const avatarRoutes = new Hono<App>({ strict: false })
 		async (c) => {
 			const id = await authedId(c)
 			if (id === null) return unauthorized(c)
-			return c.json(await getInventionsByCreator(c.env.DB, id))
+			return c.json(await getMyInventions(c.env.DB, id))
 		}
 	)
 

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

@@ -4,6 +4,8 @@ import { beforeAll, describe, expect, test } from 'vitest'
 
 import {
 	GAME_VERSION,
+	grantInvention,
+	INVENTORY_INVENTION_SCHEMA_DDL,
 	ROOM_SCHEMA_DDL,
 	seedRoomWithSubRooms,
 	SUBROOM_SCHEMA_DDL,
@@ -91,6 +93,9 @@ beforeAll(async () => {
 	// Inventions table (owned by the api worker) — invention save/mine use it.
 	for (const stmt of INVENTIONS_SCHEMA_DDL) await env.DB.prepare(stmt).run()
 
+	// Bought-invention ownership (owned by the econ worker) — `v2/mine` folds it in.
+	for (const stmt of INVENTORY_INVENTION_SCHEMA_DDL) await env.DB.prepare(stmt).run()
+
 	// Reports table (owned by the api worker) — player reports are recorded here.
 	for (const stmt of REPORTS_SCHEMA_DDL) await env.DB.prepare(stmt).run()
 
@@ -453,6 +458,49 @@ describe('public endpoints', () => {
 		expect((await one.json()) as SavedInvention).toMatchObject({ InventionId: saved.InventionId })
 	})
 
+	test('GET /api/inventions/v2/mine lists bought inventions alongside the caller’s own', async () => {
+		// Account 6100 creates one; 6101 buys it (the econ worker's buyInvention writes
+		// exactly this row) and also creates one of their own.
+		const save = async (sub: string, name: string) => {
+			const res = await exports.default.fetch(`${ORIGIN}/api/inventions/v6/save`, {
+				method: 'POST',
+				headers: { ...(await bearer(sub)), 'Content-Type': 'application/json' },
+				body: JSON.stringify({ name, inventionDataFilename: `${name}.inv` }),
+			})
+			expect(res.status).toBe(200)
+			return ((await res.json()) as InventionSaveResult).Invention
+		}
+		const mine = async (sub: string) => {
+			const res = await exports.default.fetch(`${ORIGIN}/api/inventions/v2/mine`, {
+				headers: await bearer(sub),
+			})
+			expect(res.status).toBe(200)
+			return (await res.json()) as SavedInvention[]
+		}
+
+		const bought = await save('6100', 'bought-invention')
+		const own = await save('6101', 'own-invention')
+		await grantInvention(env.DB, 6101, bought.InventionId)
+
+		// Newest first, whichever set it came from: 6101 saved theirs after buying.
+		const list = await mine('6101')
+		expect(list.map((i) => i.InventionId)).toEqual([own.InventionId, bought.InventionId])
+		// A bought invention is still the creator's — it is listed, not re-attributed.
+		expect(list.find((i) => i.InventionId === bought.InventionId)?.CreatorPlayerId).toBe(6100)
+		// It is unpublished (a fresh save is), and stays on the buyer's shelf regardless.
+		expect(list.find((i) => i.InventionId === bought.InventionId)?.IsPublished).toBe(false)
+
+		// The seller's own list is unaffected by the sale.
+		expect((await mine('6100')).map((i) => i.InventionId)).toEqual([bought.InventionId])
+
+		// An ownership row pointing at an invention that no longer exists just drops out.
+		await grantInvention(env.DB, 6101, 999_888)
+		expect((await mine('6101')).map((i) => i.InventionId)).toEqual([
+			own.InventionId,
+			bought.InventionId,
+		])
+	})
+
 	test('POST /api/inventions/v6/save 401s without a bearer token', async () => {
 		const res = await exports.default.fetch(`${ORIGIN}/api/inventions/v6/save`, {
 			method: 'POST',