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moving some more things to domains
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Devin Zuczek
@@ -0,0 +1,235 @@
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/**
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* Room instances — live sessions of a room. Stored with the same JSON-blob pattern
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* as the rooms/accounts tables: the full instance is a JSON blob in `data`, and
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* every field is a SQLite generated (virtual) column extracted from it (snake_case
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* per the C# `[Column]` names). `id` is a sequential key held in the blob.
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*
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* The `rooms` worker owns the schema (migrations/0004_room_instance.sql); the
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* `match` worker finds/creates instances here at matchmake time. This module is the
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* single source of truth for the helpers — both workers import it from
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* `@repo/domain`. Columns marked `[JsonIgnore]` in the C# (owner_account_id,
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* data_blob, allow_new_users, join_disabled) live in the blob but are dropped from
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* the client DTO (`toDto`).
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*/
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/** Schema DDL (mirror of migrations/0004_room_instance.sql). */
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export const ROOM_INSTANCE_SCHEMA_DDL: string[] = [
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`CREATE TABLE IF NOT EXISTS room_instance (
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data TEXT NOT NULL,
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id INTEGER GENERATED ALWAYS AS (json_extract(data, '$.roomInstanceId')) VIRTUAL,
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owner_account_id INTEGER GENERATED ALWAYS AS (json_extract(data, '$.ownerAccountId')) VIRTUAL,
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room_id INTEGER GENERATED ALWAYS AS (json_extract(data, '$.roomId')) VIRTUAL,
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sub_room_id INTEGER GENERATED ALWAYS AS (json_extract(data, '$.subRoomId')) VIRTUAL,
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location TEXT GENERATED ALWAYS AS (json_extract(data, '$.location')) VIRTUAL,
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data_blob TEXT GENERATED ALWAYS AS (json_extract(data, '$.dataBlob')) VIRTUAL,
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event_id INTEGER GENERATED ALWAYS AS (json_extract(data, '$.eventId')) VIRTUAL,
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photon_region_id TEXT GENERATED ALWAYS AS (json_extract(data, '$.photonRegionId')) VIRTUAL,
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photon_room_id TEXT GENERATED ALWAYS AS (json_extract(data, '$.photonRoomId')) VIRTUAL,
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name TEXT GENERATED ALWAYS AS (json_extract(data, '$.name')) VIRTUAL,
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max_capacity INTEGER GENERATED ALWAYS AS (json_extract(data, '$.maxCapacity')) VIRTUAL,
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is_full INTEGER GENERATED ALWAYS AS (json_extract(data, '$.isFull')) VIRTUAL,
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is_private INTEGER GENERATED ALWAYS AS (json_extract(data, '$.isPrivate')) VIRTUAL,
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is_in_progress INTEGER GENERATED ALWAYS AS (json_extract(data, '$.isInProgress')) VIRTUAL,
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room_code TEXT GENERATED ALWAYS AS (json_extract(data, '$.roomCode')) VIRTUAL,
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room_instance_type INTEGER GENERATED ALWAYS AS (json_extract(data, '$.roomInstanceType')) VIRTUAL,
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club_id INTEGER GENERATED ALWAYS AS (json_extract(data, '$.clubId')) VIRTUAL,
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encrypt_voice_chat INTEGER GENERATED ALWAYS AS (json_extract(data, '$.EncryptVoiceChat')) VIRTUAL,
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matchmaking_policy INTEGER GENERATED ALWAYS AS (json_extract(data, '$.matchmakingPolicy')) VIRTUAL,
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allow_new_users INTEGER GENERATED ALWAYS AS (json_extract(data, '$.allowNewUsers')) VIRTUAL,
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join_disabled INTEGER GENERATED ALWAYS AS (json_extract(data, '$.joinDisabled')) VIRTUAL,
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created_at TEXT GENERATED ALWAYS AS (json_extract(data, '$.createdAt')) VIRTUAL
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)`,
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`CREATE UNIQUE INDEX IF NOT EXISTS idx_room_instance_id ON room_instance (id)`,
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`CREATE UNIQUE INDEX IF NOT EXISTS idx_room_instance_photon_room_id ON room_instance (photon_room_id)`,
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`CREATE INDEX IF NOT EXISTS idx_room_instance_room_id ON room_instance (room_id)`,
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]
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/** Client-facing RoomInstance JSON (JsonPropertyName keys; JsonIgnore omitted). */
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export interface RoomInstanceDto {
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roomInstanceId: number
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roomId: number
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subRoomId: number
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location: string
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eventId: number
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photonRegionId: string
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photonRoomId: string
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name: string
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maxCapacity: number
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isFull: boolean
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isPrivate: boolean
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isInProgress: boolean
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roomCode: string
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roomInstanceType: number
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clubId: number
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// PascalCase JSON key, per the C# `[JsonPropertyName("EncryptVoiceChat")]`.
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EncryptVoiceChat: boolean
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matchmakingPolicy: number
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createdAt: string
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}
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/** The full stored instance — the DTO plus the JsonIgnore fields (in the blob). */
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interface StoredRoomInstance extends RoomInstanceDto {
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ownerAccountId: number
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dataBlob: string
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allowNewUsers: boolean
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joinDisabled: boolean
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}
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/** Fields for a new instance; `roomInstanceId` and `createdAt` are assigned here. */
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export interface NewRoomInstance {
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ownerAccountId: number
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roomId: number
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photonRoomId: string
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subRoomId?: number
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location?: string
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dataBlob?: string
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eventId?: number
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photonRegionId?: string
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name?: string
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maxCapacity?: number
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isFull?: boolean
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isPrivate?: boolean
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isInProgress?: boolean
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roomCode?: string
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roomInstanceType?: number
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clubId?: number
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encryptVoiceChat?: boolean
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matchmakingPolicy?: number
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allowNewUsers?: boolean
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joinDisabled?: boolean
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}
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/** Project a stored instance to the client DTO (JsonIgnore fields dropped). */
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function toDto(s: StoredRoomInstance): RoomInstanceDto {
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return {
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roomInstanceId: s.roomInstanceId,
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roomId: s.roomId,
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subRoomId: s.subRoomId,
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location: s.location,
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eventId: s.eventId,
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photonRegionId: s.photonRegionId,
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photonRoomId: s.photonRoomId,
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name: s.name,
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maxCapacity: s.maxCapacity,
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isFull: s.isFull,
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isPrivate: s.isPrivate,
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isInProgress: s.isInProgress,
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roomCode: s.roomCode,
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roomInstanceType: s.roomInstanceType,
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clubId: s.clubId,
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EncryptVoiceChat: s.EncryptVoiceChat,
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matchmakingPolicy: s.matchmakingPolicy,
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createdAt: s.createdAt,
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}
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}
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const parse = (data: string): StoredRoomInstance => JSON.parse(data) as StoredRoomInstance
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/**
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* Ids start high (above 1_000_000) so an instance id never collides with the
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* dorm's fixed roomInstanceId of 1 — the client keys room transitions off the id,
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* so a room instance that returned 1 would look like "still in the dorm".
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*/
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const ID_BASE = 1_000_000
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/** Insert a new room instance, returning it as a client DTO. */
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export async function createRoomInstance(
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db: D1Database,
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input: NewRoomInstance
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): Promise<RoomInstanceDto> {
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const idRow = await db
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.prepare(`SELECT COALESCE(MAX(id), ${ID_BASE}) + 1 AS next FROM room_instance`)
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.first<{ next: number }>()
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const stored: StoredRoomInstance = {
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roomInstanceId: idRow?.next ?? ID_BASE + 1,
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ownerAccountId: input.ownerAccountId,
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roomId: input.roomId,
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subRoomId: input.subRoomId ?? 0,
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location: input.location ?? '',
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dataBlob: input.dataBlob ?? '',
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eventId: input.eventId ?? 0,
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photonRegionId: input.photonRegionId ?? 'us',
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photonRoomId: input.photonRoomId,
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name: input.name ?? '',
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maxCapacity: input.maxCapacity ?? 0,
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isFull: input.isFull ?? false,
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isPrivate: input.isPrivate ?? false,
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isInProgress: input.isInProgress ?? false,
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roomCode: input.roomCode ?? '',
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roomInstanceType: input.roomInstanceType ?? 0,
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clubId: input.clubId ?? 0,
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EncryptVoiceChat: input.encryptVoiceChat ?? false,
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matchmakingPolicy: input.matchmakingPolicy ?? 0,
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allowNewUsers: input.allowNewUsers ?? true,
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joinDisabled: input.joinDisabled ?? false,
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createdAt: new Date().toISOString(),
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}
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await db.prepare('INSERT INTO room_instance (data) VALUES (?1)').bind(JSON.stringify(stored)).run()
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return toDto(stored)
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}
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/** Look up a room instance by its id (roomInstanceId). */
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export async function getRoomInstance(db: D1Database, id: number): Promise<RoomInstanceDto | null> {
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const row = await db
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.prepare('SELECT data FROM room_instance WHERE id = ?1')
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.bind(id)
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.first<{ data: string }>()
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return row ? toDto(parse(row.data)) : null
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}
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/**
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* Flip an instance's `isInProgress` flag, rewriting the JSON blob (the generated
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* `is_in_progress` column follows it). Returns the updated DTO, or null when the
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* instance doesn't exist.
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*/
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export async function setRoomInstanceInProgress(
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db: D1Database,
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id: number,
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isInProgress: boolean
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): Promise<RoomInstanceDto | null> {
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const row = await db
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.prepare('SELECT data FROM room_instance WHERE id = ?1')
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.bind(id)
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.first<{ data: string }>()
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if (!row) return null
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const stored = parse(row.data)
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stored.isInProgress = isInProgress
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await db
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.prepare('UPDATE room_instance SET data = ?1 WHERE id = ?2')
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.bind(JSON.stringify(stored), id)
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.run()
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return toDto(stored)
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}
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/**
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* The oldest joinable public instance of a room (not private, not full, joins
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* enabled, not already in progress), or null when there's none to join. Used by
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* matchmaking to reuse an existing instance before creating a new one.
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*/
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export async function getJoinableInstance(
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db: D1Database,
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roomId: number
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): Promise<RoomInstanceDto | null> {
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const row = await db
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.prepare(
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`SELECT data FROM room_instance
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WHERE room_id = ?1 AND is_private = 0 AND is_full = 0 AND join_disabled = 0
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AND is_in_progress = 0
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ORDER BY id LIMIT 1`
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)
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.bind(roomId)
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.first<{ data: string }>()
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return row ? toDto(parse(row.data)) : null
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}
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/** All instances of a given room. */
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export async function getRoomInstancesByRoom(
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db: D1Database,
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roomId: number
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): Promise<RoomInstanceDto[]> {
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const { results } = await db
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.prepare('SELECT data FROM room_instance WHERE room_id = ?1')
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.bind(roomId)
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.all<{ data: string }>()
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return results.map((r) => toDto(parse(r.data)))
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}
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