fix #19 clubhouses

packages/domain/src/clubs-db.ts

@@ -0,0 +1,64 @@
+/**
+ * Cross-worker *reads* of the club tables. The `clubs` worker owns the schema and
+ * every write (see apps/clubs/src/clubs-db.ts); this is the narrow view other
+ * workers need — right now `match`, which has to know a club's clubhouse room and
+ * whether the player asking for it is actually a member.
+ *
+ * Deliberately read-only, and deliberately small: clubs are a JSON blob in
+ * `club.data`, so anything that needs the whole DTO should go through the clubs
+ * worker's API rather than growing this file into a second copy of its model.
+ */
+
+/**
+ * A player's membership state in a club (mirror of the clubs worker's
+ * `ClubMembershipType`). Only the values other workers reason about are named here;
+ * the tiers between are just higher numbers.
+ */
+export const CLUB_MEMBERSHIP_BANNED = -1
+export const CLUB_MEMBERSHIP_NONE = 0
+/** At/above this, a row is an actual member rather than pending/banned. */
+export const CLUB_MEMBERSHIP_MEMBER = 10
+
+/** The club fields other workers read. */
+export interface ClubSummary {
+	clubId: number
+	name: string
+	/** The room players spawn into for this club; null when it has no clubhouse. */
+	clubhouseRoomId: number | null
+}
+
+/** Look up a club's name and clubhouse room. Null when there's no such club. */
+export async function getClubSummary(db: D1Database, clubId: number): Promise<ClubSummary | null> {
+	const row = await db
+		.prepare(
+			`SELECT json_extract(data, '$.Name') AS name,
+			        json_extract(data, '$.ClubhouseRoomId') AS clubhouseRoomId
+			 FROM club WHERE club_id = ?1`
+		)
+		.bind(clubId)
+		.first<{ name: string | null; clubhouseRoomId: number | null }>()
+	if (row === null) return null
+	return { clubId, name: row.name ?? '', clubhouseRoomId: row.clubhouseRoomId }
+}
+
+/** A player's membership type in a club (0 = no row, i.e. not a member). */
+export async function getClubMembership(
+	db: D1Database,
+	clubId: number,
+	accountId: number
+): Promise<number> {
+	const row = await db
+		.prepare('SELECT membership_type AS t FROM club_member WHERE club_id = ?1 AND account_id = ?2')
+		.bind(clubId, accountId)
+		.first<{ t: number }>()
+	return row?.t ?? CLUB_MEMBERSHIP_NONE
+}
+
+/** Whether an account is an actual member of a club (Member tier or above). */
+export async function isClubMember(
+	db: D1Database,
+	clubId: number,
+	accountId: number
+): Promise<boolean> {
+	return (await getClubMembership(db, clubId, accountId)) >= CLUB_MEMBERSHIP_MEMBER
+}

packages/domain/src/index.ts

@@ -1,5 +1,6 @@
 export { RoomInstanceType, Accessibility, Role } from './enums'
 export * from './accounts-db'
+export * from './clubs-db'
 export * from './password'
 export * from './rooms-db'
 export * from './room-instance-db'