mirror of
https://github.com/Ark0N/Codeman.git
synced 2026-10-08 08:29:42 +02:00
feat(tabs): COD-359 add owner-scoped tab layouts
This commit is contained in:
@@ -0,0 +1,663 @@
|
||||
/**
|
||||
* @fileoverview Owner-scoped authoritative tab-layout coordination.
|
||||
*
|
||||
* This is the single mutation boundary between the pure layout model, persisted
|
||||
* state, live sessions, saved webviews, and SSE. Lifecycle callers describe one
|
||||
* completed server action; this service performs at most one versioned write.
|
||||
*/
|
||||
import type { StateStore } from './state-store.js';
|
||||
import { mergeSessionOrder, normalizeSessionOrder } from './session-order.js';
|
||||
import { applyLegacySessionRank, recomposeGlobalSessionOrder } from './tab-layout-legacy-order.js';
|
||||
import {
|
||||
flattenOwnerSessionOrder,
|
||||
materializeOrphans,
|
||||
normalizeTabLayout,
|
||||
TabLayoutValidationError,
|
||||
validateTabLayout,
|
||||
type TabLayout,
|
||||
type TabRef,
|
||||
type TabRefMetadata,
|
||||
} from './tab-layout.js';
|
||||
import {
|
||||
normalizeOrMigrateOwnerTabLayout,
|
||||
SINGLE_USER_LAYOUT_OWNER,
|
||||
type TabLayoutSessionRecord,
|
||||
type TabLayoutWebviewRecord,
|
||||
} from './tab-layout-persistence.js';
|
||||
import { SseEvent } from './web/sse-events.js';
|
||||
|
||||
export interface TabLayoutSessionLike {
|
||||
id: string;
|
||||
owner?: string;
|
||||
createdAt: number;
|
||||
parentSessionId?: string;
|
||||
}
|
||||
|
||||
interface TabLayoutServiceDeps {
|
||||
store: Pick<
|
||||
StateStore,
|
||||
'getTabLayout' | 'getTabLayouts' | 'getSessions' | 'getSessionOrder' | 'commitTabLayoutProjection'
|
||||
>;
|
||||
sessions: ReadonlyMap<string, TabLayoutSessionLike>;
|
||||
readWebviews(): Promise<readonly TabLayoutWebviewRecord[]>;
|
||||
broadcast(event: string, data: unknown): void;
|
||||
broadcastSessionOrder(change: SessionOrderProjectionChange): void;
|
||||
now?: () => string;
|
||||
}
|
||||
|
||||
export type TabLayoutPutResult = { status: 'updated'; layout: TabLayout } | { status: 'conflict'; layout: TabLayout };
|
||||
|
||||
export interface LegacyOrderActor {
|
||||
owner: string;
|
||||
isAdmin: boolean;
|
||||
}
|
||||
|
||||
export interface SessionOrderProjectionChange {
|
||||
changedOwnerOrders: Record<string, string[]>;
|
||||
globalOrder: string[];
|
||||
globalChanged: boolean;
|
||||
}
|
||||
|
||||
export interface LegacyOrderPutResult extends SessionOrderProjectionChange {
|
||||
order: string[];
|
||||
}
|
||||
|
||||
export interface RemovedTabLayoutSession {
|
||||
id: string;
|
||||
owner?: string;
|
||||
}
|
||||
|
||||
interface PreparedOwnerLayout {
|
||||
current: TabLayout | null;
|
||||
authoritative: TabLayout;
|
||||
metadata: TabRefMetadata[];
|
||||
needsReconciliationCommit: boolean;
|
||||
}
|
||||
|
||||
interface OwnerProjectionPublication {
|
||||
owner: string;
|
||||
previous: TabLayout | null;
|
||||
next: TabLayout;
|
||||
metadata: readonly TabRefMetadata[];
|
||||
excludedSessionIds?: ReadonlySet<string>;
|
||||
}
|
||||
|
||||
interface PreparedOrderProjection {
|
||||
owner: string;
|
||||
previousOrder: string[];
|
||||
authoritativeBeforeIds: string[];
|
||||
excludedIds: string[];
|
||||
currentIds: string[];
|
||||
order: string[];
|
||||
}
|
||||
|
||||
const ownerOf = (record: { owner?: string }): string => record.owner ?? SINGLE_USER_LAYOUT_OWNER;
|
||||
const refKey = (ref: Pick<TabRef, 'kind' | 'id'>): string => `${ref.kind}\u0000${ref.id}`;
|
||||
const sameLayout = (a: TabLayout, b: TabLayout): boolean => JSON.stringify(a) === JSON.stringify(b);
|
||||
const sameOrder = (a: readonly string[], b: readonly string[]): boolean =>
|
||||
a.length === b.length && a.every((id, index) => id === b[index]);
|
||||
|
||||
export class TabLayoutService {
|
||||
private restorationState: 'pending' | 'complete' | 'failed' | 'skipped' = 'pending';
|
||||
private readonly ownerQueues = new Map<string, Promise<void>>();
|
||||
|
||||
constructor(private readonly deps: TabLayoutServiceDeps) {}
|
||||
|
||||
private async withOwner<T>(owner: string, task: () => Promise<T>): Promise<T> {
|
||||
const previous = this.ownerQueues.get(owner) ?? Promise.resolve();
|
||||
const run = previous.catch(() => undefined).then(task);
|
||||
const tail = run.then(
|
||||
() => undefined,
|
||||
() => undefined
|
||||
);
|
||||
this.ownerQueues.set(owner, tail);
|
||||
try {
|
||||
return await run;
|
||||
} finally {
|
||||
if (this.ownerQueues.get(owner) === tail) this.ownerQueues.delete(owner);
|
||||
}
|
||||
}
|
||||
|
||||
/** Acquire multiple owner queues in stable order so overlapping bulk cleanups cannot deadlock. */
|
||||
private async withOwners<T>(owners: readonly string[], task: () => Promise<T>, index = 0): Promise<T> {
|
||||
if (index >= owners.length) return task();
|
||||
return this.withOwner(owners[index], () => this.withOwners(owners, task, index + 1));
|
||||
}
|
||||
|
||||
markRestorationComplete(): void {
|
||||
this.restorationState = 'complete';
|
||||
}
|
||||
|
||||
markRestorationFailed(): void {
|
||||
this.restorationState = 'failed';
|
||||
}
|
||||
|
||||
markRestorationSkipped(): void {
|
||||
this.restorationState = 'skipped';
|
||||
}
|
||||
|
||||
assertDeletionReady(): void {
|
||||
if (this.restorationState === 'complete' || this.restorationState === 'skipped') return;
|
||||
throw new Error(`Tab layout restoration is ${this.restorationState}; destructive deletion is unavailable`);
|
||||
}
|
||||
|
||||
/** Repair/migrate every owner visible after startup restoration. */
|
||||
async reconcileAfterRestoration(): Promise<void> {
|
||||
if (this.restorationState !== 'complete') return;
|
||||
const { persisted, live } = this.sessionRecords();
|
||||
const webviews = await this.deps.readWebviews();
|
||||
const owners = new Set<string>();
|
||||
for (const record of [...persisted, ...live, ...webviews]) owners.add(ownerOf(record));
|
||||
for (const owner of owners) await this.get(owner);
|
||||
}
|
||||
|
||||
private sessionRecords(): { persisted: TabLayoutSessionRecord[]; live: TabLayoutSessionRecord[] } {
|
||||
const persisted = Object.entries(this.deps.store.getSessions()).map(([id, record]) => ({
|
||||
id,
|
||||
owner: record.owner,
|
||||
createdAt: record.createdAt,
|
||||
parentSessionId: record.parentSessionId,
|
||||
}));
|
||||
const live = [...this.deps.sessions.values()].map((record) => ({
|
||||
id: record.id,
|
||||
owner: record.owner,
|
||||
createdAt: record.createdAt,
|
||||
parentSessionId: record.parentSessionId,
|
||||
}));
|
||||
return { persisted, live };
|
||||
}
|
||||
|
||||
private async facts(owner: string): Promise<{
|
||||
persisted: TabLayoutSessionRecord[];
|
||||
live: TabLayoutSessionRecord[];
|
||||
webviews: readonly TabLayoutWebviewRecord[];
|
||||
metadata: TabRefMetadata[];
|
||||
}> {
|
||||
const { persisted, live } = this.sessionRecords();
|
||||
const webviews = await this.deps.readWebviews();
|
||||
const sessions = new Map<string, TabLayoutSessionRecord>();
|
||||
for (const record of persisted) sessions.set(record.id, record);
|
||||
for (const record of live) sessions.set(record.id, record);
|
||||
const ownedSessions = [...sessions.values()]
|
||||
.filter((record) => ownerOf(record) === owner)
|
||||
.sort((a, b) => a.createdAt - b.createdAt || (a.id < b.id ? -1 : a.id > b.id ? 1 : 0));
|
||||
const sessionOrder = new Map(ownedSessions.map((record, index) => [record.id, index]));
|
||||
const metadata: TabRefMetadata[] = [...sessions.values()].map((record) => ({
|
||||
kind: 'session',
|
||||
id: record.id,
|
||||
ownerValid: ownerOf(record) === owner,
|
||||
visible: true,
|
||||
order: sessionOrder.get(record.id) ?? record.createdAt,
|
||||
parentSessionId: record.parentSessionId,
|
||||
}));
|
||||
const offset = ownedSessions.length;
|
||||
webviews.forEach((record, index) =>
|
||||
metadata.push({
|
||||
kind: 'webview',
|
||||
id: record.id,
|
||||
ownerValid: ownerOf(record) === owner,
|
||||
visible: true,
|
||||
order: offset + index,
|
||||
})
|
||||
);
|
||||
return { persisted, live, webviews, metadata };
|
||||
}
|
||||
|
||||
private prepareCommit(base: TabLayout, next: TabLayout): TabLayout {
|
||||
return validateTabLayout({
|
||||
...next,
|
||||
version: base.version + 1,
|
||||
updatedAt: (this.deps.now ?? (() => new Date().toISOString()))(),
|
||||
});
|
||||
}
|
||||
|
||||
private prepareOrderProjection(item: OwnerProjectionPublication): PreparedOrderProjection {
|
||||
const excluded = item.excludedSessionIds ?? new Set<string>();
|
||||
const authoritativeBeforeIds = item.metadata
|
||||
.filter((fact) => fact.kind === 'session' && fact.ownerValid && fact.visible)
|
||||
.map((fact) => fact.id);
|
||||
const facts = authoritativeBeforeIds.filter((id) => !excluded.has(id));
|
||||
const visible = new Set(facts);
|
||||
const rawPrevious = item.previous ? flattenOwnerSessionOrder(item.previous) : [];
|
||||
const rawNext = flattenOwnerSessionOrder(item.next);
|
||||
const previousOrder = rawPrevious.filter((id) => visible.has(id) || excluded.has(id));
|
||||
const order = rawNext.filter((id) => visible.has(id) && !excluded.has(id));
|
||||
const excludedIds = normalizeSessionOrder([...excluded]);
|
||||
return {
|
||||
owner: item.owner,
|
||||
previousOrder,
|
||||
authoritativeBeforeIds: normalizeSessionOrder([...authoritativeBeforeIds, ...excluded]),
|
||||
excludedIds,
|
||||
currentIds: normalizeSessionOrder([...order, ...facts]),
|
||||
order,
|
||||
};
|
||||
}
|
||||
|
||||
private projectOrder(
|
||||
latest: readonly string[],
|
||||
projections: readonly PreparedOrderProjection[],
|
||||
preferred?: readonly string[]
|
||||
): string[] {
|
||||
const before = normalizeSessionOrder(latest);
|
||||
const removed = new Set(
|
||||
projections.flatMap((projection) => projection.excludedIds.filter((id) => !projection.currentIds.includes(id)))
|
||||
);
|
||||
return recomposeGlobalSessionOrder(
|
||||
before.filter((id) => !removed.has(id)),
|
||||
projections.map((projection) => ({
|
||||
owner: projection.owner,
|
||||
ownedIds: projection.currentIds,
|
||||
order: projection.order,
|
||||
})),
|
||||
preferred
|
||||
);
|
||||
}
|
||||
|
||||
private publish(
|
||||
layouts: Readonly<Record<string, TabLayout>>,
|
||||
publications: readonly OwnerProjectionPublication[],
|
||||
preferred?: readonly string[]
|
||||
): SessionOrderProjectionChange {
|
||||
const projections = publications.map((item) => this.prepareOrderProjection(item));
|
||||
let beforeOrder: string[] = [];
|
||||
const accepted = this.deps.store.commitTabLayoutProjection(layouts, (latest) => {
|
||||
beforeOrder = normalizeSessionOrder(latest);
|
||||
return this.projectOrder(beforeOrder, projections, preferred);
|
||||
});
|
||||
const changedEntries: Array<[string, string[]]> = [];
|
||||
for (const projection of projections) {
|
||||
const beforeIds = new Set(projection.authoritativeBeforeIds);
|
||||
const currentIds = new Set(projection.currentIds);
|
||||
const persistedBefore = beforeOrder.filter((id) => beforeIds.has(id));
|
||||
const persistedAfter = accepted.sessionOrder.filter((id) => currentIds.has(id));
|
||||
const layoutOrderChanged = !sameOrder(projection.previousOrder, projection.order);
|
||||
const persistedOwnerSliceChanged = !sameOrder(persistedBefore, persistedAfter);
|
||||
if (layoutOrderChanged || persistedOwnerSliceChanged) {
|
||||
changedEntries.push([projection.owner, persistedAfter]);
|
||||
}
|
||||
}
|
||||
const change: SessionOrderProjectionChange = {
|
||||
changedOwnerOrders: Object.fromEntries(changedEntries),
|
||||
globalOrder: [...accepted.sessionOrder],
|
||||
globalChanged: !sameOrder(beforeOrder, accepted.sessionOrder),
|
||||
};
|
||||
for (const [owner, layout] of Object.entries(accepted.layouts)) {
|
||||
this.deps.broadcast(SseEvent.TabLayoutChanged, { owner, version: layout.version });
|
||||
}
|
||||
if (changedEntries.length > 0 || change.globalChanged) this.deps.broadcastSessionOrder(change);
|
||||
return change;
|
||||
}
|
||||
|
||||
private commit(
|
||||
owner: string,
|
||||
base: TabLayout,
|
||||
next: TabLayout,
|
||||
metadata: readonly TabRefMetadata[],
|
||||
previous: TabLayout | null = base.version < 0 ? null : base
|
||||
): TabLayout {
|
||||
const stored = this.prepareCommit(base, next);
|
||||
this.publish({ [owner]: stored }, [{ owner, previous, next: stored, metadata }]);
|
||||
return stored;
|
||||
}
|
||||
|
||||
private async prepareUnlocked(owner: string): Promise<PreparedOwnerLayout> {
|
||||
const facts = await this.facts(owner);
|
||||
const current = this.deps.store.getTabLayout(owner);
|
||||
const authoritative = normalizeOrMigrateOwnerTabLayout({
|
||||
owner,
|
||||
layouts: current ? { [owner]: current } : undefined,
|
||||
sessionOrder: this.deps.store.getSessionOrder(),
|
||||
persistedSessions: facts.persisted,
|
||||
liveSessions: facts.live,
|
||||
webviews: facts.webviews,
|
||||
updatedAt: (this.deps.now ?? (() => new Date().toISOString()))(),
|
||||
}).layout;
|
||||
return {
|
||||
current,
|
||||
authoritative,
|
||||
metadata: facts.metadata,
|
||||
needsReconciliationCommit: !current || !sameLayout(current, authoritative),
|
||||
};
|
||||
}
|
||||
|
||||
private async getUnlocked(owner: string): Promise<TabLayout> {
|
||||
const prepared = await this.prepareUnlocked(owner);
|
||||
if (!prepared.needsReconciliationCommit) {
|
||||
const publication = {
|
||||
owner,
|
||||
previous: prepared.current,
|
||||
next: prepared.authoritative,
|
||||
metadata: prepared.metadata,
|
||||
};
|
||||
const latest = this.deps.store.getSessionOrder();
|
||||
const projected = this.projectOrder(latest, [this.prepareOrderProjection(publication)]);
|
||||
if (!sameOrder(normalizeSessionOrder(latest), projected)) this.publish({}, [publication]);
|
||||
return prepared.authoritative;
|
||||
}
|
||||
const base = prepared.current ?? { ...prepared.authoritative, version: -1 };
|
||||
return this.commit(owner, base, prepared.authoritative, prepared.metadata);
|
||||
}
|
||||
|
||||
async get(owner: string): Promise<TabLayout> {
|
||||
return this.withOwner(owner, () => this.getUnlocked(owner));
|
||||
}
|
||||
|
||||
async put(owner: string, desired: unknown, baseVersion: number): Promise<TabLayoutPutResult> {
|
||||
return this.withOwner(owner, async () => {
|
||||
const prepared = await this.prepareUnlocked(owner);
|
||||
if (baseVersion !== prepared.authoritative.version) return { status: 'conflict', layout: prepared.authoritative };
|
||||
const validated = validateTabLayout(desired);
|
||||
const owned = new Set(prepared.metadata.filter((item) => item.ownerValid && item.visible).map(refKey));
|
||||
const refs = [...validated.groups.flatMap((group) => group.refs), ...validated.ungrouped];
|
||||
const invalid = refs.find((ref) => !owned.has(refKey(ref)));
|
||||
if (invalid)
|
||||
throw new TabLayoutValidationError(`ref is not owned by layout owner: ${invalid.kind}:${invalid.id}`);
|
||||
const normalized = normalizeTabLayout(
|
||||
{ ...validated, version: prepared.authoritative.version },
|
||||
prepared.metadata
|
||||
);
|
||||
return {
|
||||
status: 'updated',
|
||||
layout: this.commit(owner, prepared.authoritative, normalized, prepared.metadata, prepared.current),
|
||||
};
|
||||
});
|
||||
}
|
||||
|
||||
async putLegacyOrder(actor: LegacyOrderActor, requested: readonly string[]): Promise<LegacyOrderPutResult> {
|
||||
return actor.isAdmin ? this.putAdminLegacyOrder(requested) : this.putOwnerLegacyOrder(actor.owner, requested);
|
||||
}
|
||||
|
||||
private async putOwnerLegacyOrder(owner: string, requested: readonly string[]): Promise<LegacyOrderPutResult> {
|
||||
return this.withOwner(owner, async () => {
|
||||
const prepared = await this.prepareUnlocked(owner);
|
||||
const normalized = normalizeSessionOrder(requested);
|
||||
const visible = new Set(
|
||||
prepared.metadata
|
||||
.filter((item) => item.kind === 'session' && item.ownerValid && item.visible)
|
||||
.map((item) => item.id)
|
||||
);
|
||||
const invalid = normalized.find((id) => !visible.has(id));
|
||||
if (invalid) throw new TabLayoutValidationError(`session is not owned by layout owner: ${invalid}`);
|
||||
const currentKnown = flattenOwnerSessionOrder(prepared.authoritative).filter((id) => visible.has(id));
|
||||
const effective = mergeSessionOrder(normalized, currentKnown);
|
||||
const ranked = applyLegacySessionRank(prepared.authoritative, effective, prepared.metadata);
|
||||
const needsLayout = prepared.needsReconciliationCommit || !sameLayout(prepared.authoritative, ranked);
|
||||
const base = prepared.current ?? { ...prepared.authoritative, version: -1 };
|
||||
const next = needsLayout ? this.prepareCommit(base, ranked) : prepared.authoritative;
|
||||
const change = this.publish(needsLayout ? { [owner]: next } : {}, [
|
||||
{ owner, previous: prepared.current, next, metadata: prepared.metadata },
|
||||
]);
|
||||
return { order: flattenOwnerSessionOrder(next).filter((id) => visible.has(id)), ...change };
|
||||
});
|
||||
}
|
||||
|
||||
private async putAdminLegacyOrder(requested: readonly string[]): Promise<LegacyOrderPutResult> {
|
||||
const discoverOwners = (): string[] => {
|
||||
const owners = new Set(Object.keys(this.deps.store.getTabLayouts()));
|
||||
const { persisted, live } = this.sessionRecords();
|
||||
for (const record of [...persisted, ...live]) owners.add(ownerOf(record));
|
||||
return [...owners].sort();
|
||||
};
|
||||
for (;;) {
|
||||
const owners = discoverOwners();
|
||||
const result = await this.withOwners(owners, async (): Promise<LegacyOrderPutResult | null> => {
|
||||
if (!sameOrder(owners, discoverOwners())) return null;
|
||||
const normalized = normalizeSessionOrder(requested);
|
||||
const knownOwners = new Map<string, string>();
|
||||
const { persisted, live } = this.sessionRecords();
|
||||
for (const record of persisted) knownOwners.set(record.id, ownerOf(record));
|
||||
for (const record of live) knownOwners.set(record.id, ownerOf(record));
|
||||
const invalid = normalized.find((id) => !knownOwners.has(id));
|
||||
if (invalid) throw new TabLayoutValidationError(`session is not visible machine-wide: ${invalid}`);
|
||||
|
||||
const publications: OwnerProjectionPublication[] = [];
|
||||
const updates: Record<string, TabLayout> = Object.create(null) as Record<string, TabLayout>;
|
||||
for (const owner of owners) {
|
||||
const prepared = await this.prepareUnlocked(owner);
|
||||
const visible = new Set(
|
||||
prepared.metadata
|
||||
.filter((item) => item.kind === 'session' && item.ownerValid && item.visible)
|
||||
.map((item) => item.id)
|
||||
);
|
||||
const requestedOwner = normalized.filter((id) => visible.has(id));
|
||||
const currentKnown = flattenOwnerSessionOrder(prepared.authoritative).filter((id) => visible.has(id));
|
||||
const effective = mergeSessionOrder(requestedOwner, currentKnown);
|
||||
const ranked = applyLegacySessionRank(prepared.authoritative, effective, prepared.metadata);
|
||||
const needsLayout = prepared.needsReconciliationCommit || !sameLayout(prepared.authoritative, ranked);
|
||||
const base = prepared.current ?? { ...prepared.authoritative, version: -1 };
|
||||
const next = needsLayout ? this.prepareCommit(base, ranked) : prepared.authoritative;
|
||||
if (needsLayout) updates[owner] = next;
|
||||
publications.push({ owner, previous: prepared.current, next, metadata: prepared.metadata });
|
||||
}
|
||||
const change = this.publish(updates, publications, normalized);
|
||||
return { order: [...change.globalOrder], ...change };
|
||||
});
|
||||
if (result) return result;
|
||||
}
|
||||
}
|
||||
|
||||
/** Reconcile one completed session creation into one versioned mutation. */
|
||||
async sessionCreated(owner: string): Promise<TabLayout> {
|
||||
return this.get(owner);
|
||||
}
|
||||
|
||||
/** Reconcile one completed saved-webview creation into one versioned mutation. */
|
||||
async webviewCreated(owner: string): Promise<TabLayout> {
|
||||
return this.get(owner);
|
||||
}
|
||||
|
||||
async sessionsRemoved(removed: readonly RemovedTabLayoutSession[]): Promise<void> {
|
||||
if (this.restorationState !== 'complete' || removed.length === 0) return;
|
||||
const byOwner = new Map<string, string[]>();
|
||||
for (const item of removed) {
|
||||
const owner = ownerOf(item);
|
||||
const ids = byOwner.get(owner) ?? [];
|
||||
ids.push(item.id);
|
||||
byOwner.set(owner, ids);
|
||||
}
|
||||
const owners = [...byOwner.keys()].sort();
|
||||
await this.withOwners(owners, async () => {
|
||||
const publications: OwnerProjectionPublication[] = [];
|
||||
const updates: Record<string, TabLayout> = Object.create(null) as Record<string, TabLayout>;
|
||||
for (const owner of owners) {
|
||||
const ids = byOwner.get(owner) ?? [];
|
||||
const prepared = await this.prepareUnlocked(owner);
|
||||
const current = prepared.current;
|
||||
// Normalize and prune together so stale cleanup, orphan materialization,
|
||||
// and missing-ref repair remain one versioned server mutation.
|
||||
const next = normalizeTabLayout(
|
||||
materializeOrphans(prepared.authoritative, ids, prepared.metadata),
|
||||
prepared.metadata
|
||||
);
|
||||
const stored = current && !sameLayout(current, next) ? this.prepareCommit(current, next) : null;
|
||||
if (stored) updates[owner] = stored;
|
||||
publications.push({
|
||||
owner,
|
||||
previous: current,
|
||||
next: stored ?? next,
|
||||
metadata: prepared.metadata,
|
||||
excludedSessionIds: new Set(ids),
|
||||
});
|
||||
}
|
||||
if (publications.length > 0) this.publish(updates, publications);
|
||||
});
|
||||
}
|
||||
|
||||
/**
|
||||
* Hold the owner mutation lock across an irreversible session deletion.
|
||||
* All failure-prone normalization happens before `action`; the prepared layout
|
||||
* commits only after the resource cleanup finishes.
|
||||
*/
|
||||
async runSessionDeletion<T>(removed: readonly RemovedTabLayoutSession[], action: () => Promise<T>): Promise<T> {
|
||||
this.assertDeletionReady();
|
||||
if (this.restorationState === 'skipped' || removed.length === 0) return action();
|
||||
const owners = new Set(removed.map(ownerOf));
|
||||
if (owners.size !== 1) throw new Error('A session deletion transaction must contain exactly one owner');
|
||||
const owner = owners.values().next().value as string;
|
||||
const ids = removed.map((item) => item.id);
|
||||
return this.withOwner(owner, async () => {
|
||||
const prepared = await this.prepareUnlocked(owner);
|
||||
const current = prepared.current;
|
||||
// Prepare while the soon-to-be-deleted sessions are still known, so
|
||||
// direct children can be materialized before their parent ref is removed.
|
||||
const next = materializeOrphans(prepared.authoritative, ids, prepared.metadata);
|
||||
const stored = current && !sameLayout(current, next) ? this.prepareCommit(current, next) : null;
|
||||
const result = await action();
|
||||
this.publish(stored ? { [owner]: stored } : {}, [
|
||||
{
|
||||
owner,
|
||||
previous: current,
|
||||
next: stored ?? next,
|
||||
metadata: prepared.metadata,
|
||||
excludedSessionIds: new Set(ids),
|
||||
},
|
||||
]);
|
||||
return result;
|
||||
});
|
||||
}
|
||||
|
||||
/**
|
||||
* Prepare every affected owner layout before bulk stale-state deletion.
|
||||
* The StateStore action remains synchronous in production, so the candidate
|
||||
* snapshot cannot change between successful preparation and resource removal.
|
||||
*/
|
||||
async runStaleSessionCleanup<T>(
|
||||
activeSessionIds: ReadonlySet<string>,
|
||||
action: (ids: ReadonlySet<string>) => T | Promise<T>
|
||||
): Promise<T> {
|
||||
this.assertDeletionReady();
|
||||
const candidates = Object.entries(this.deps.store.getSessions())
|
||||
.filter(([id, record]) => !activeSessionIds.has(id) && record.pinned !== true)
|
||||
.map(([id, record]) => ({ id, owner: record.owner }));
|
||||
if (this.restorationState === 'skipped') return action(new Set(candidates.map((item) => item.id)));
|
||||
if (candidates.length === 0) return action(new Set());
|
||||
|
||||
const byOwner = new Map<string, string[]>();
|
||||
for (const item of candidates) {
|
||||
const owner = ownerOf(item);
|
||||
const ids = byOwner.get(owner) ?? [];
|
||||
ids.push(item.id);
|
||||
byOwner.set(owner, ids);
|
||||
}
|
||||
const owners = [...byOwner.keys()].sort();
|
||||
return this.withOwners(owners, async () => {
|
||||
const webviews = await this.deps.readWebviews();
|
||||
const persistedState = this.deps.store.getSessions();
|
||||
const persisted = Object.entries(persistedState).map(([id, record]) => ({
|
||||
id,
|
||||
owner: record.owner,
|
||||
createdAt: record.createdAt,
|
||||
parentSessionId: record.parentSessionId,
|
||||
}));
|
||||
const liveIds = new Set(this.deps.sessions.keys());
|
||||
const confirmed = candidates.filter((candidate) => {
|
||||
const record = persistedState[candidate.id];
|
||||
return (
|
||||
record !== undefined &&
|
||||
ownerOf(record) === ownerOf(candidate) &&
|
||||
record.pinned !== true &&
|
||||
!activeSessionIds.has(candidate.id) &&
|
||||
!liveIds.has(candidate.id)
|
||||
);
|
||||
});
|
||||
const confirmedByOwner = new Map<string, string[]>();
|
||||
for (const item of confirmed) {
|
||||
const owner = ownerOf(item);
|
||||
const ids = confirmedByOwner.get(owner) ?? [];
|
||||
ids.push(item.id);
|
||||
confirmedByOwner.set(owner, ids);
|
||||
}
|
||||
|
||||
const prepared: Array<{
|
||||
owner: string;
|
||||
current: TabLayout | null;
|
||||
next: TabLayout;
|
||||
stored: TabLayout | null;
|
||||
metadata: TabRefMetadata[];
|
||||
excludedSessionIds: ReadonlySet<string>;
|
||||
}> = [];
|
||||
for (const owner of owners) {
|
||||
const ids = confirmedByOwner.get(owner) ?? [];
|
||||
if (ids.length === 0) continue;
|
||||
const current = this.deps.store.getTabLayout(owner);
|
||||
const sessions = new Map<string, TabLayoutSessionRecord>();
|
||||
for (const record of persisted) sessions.set(record.id, record);
|
||||
for (const record of this.deps.sessions.values()) sessions.set(record.id, record);
|
||||
const ownedSessions = [...sessions.values()]
|
||||
.filter((record) => ownerOf(record) === owner)
|
||||
.sort((a, b) => a.createdAt - b.createdAt || (a.id < b.id ? -1 : a.id > b.id ? 1 : 0));
|
||||
const sessionOrder = new Map(ownedSessions.map((record, index) => [record.id, index]));
|
||||
const metadata: TabRefMetadata[] = [...sessions.values()].map((record) => ({
|
||||
kind: 'session',
|
||||
id: record.id,
|
||||
ownerValid: ownerOf(record) === owner,
|
||||
visible: true,
|
||||
order: sessionOrder.get(record.id) ?? record.createdAt,
|
||||
parentSessionId: record.parentSessionId,
|
||||
}));
|
||||
const offset = ownedSessions.length;
|
||||
webviews.forEach((record, index) =>
|
||||
metadata.push({
|
||||
kind: 'webview',
|
||||
id: record.id,
|
||||
ownerValid: ownerOf(record) === owner,
|
||||
visible: true,
|
||||
order: offset + index,
|
||||
})
|
||||
);
|
||||
const authoritative = normalizeOrMigrateOwnerTabLayout({
|
||||
owner,
|
||||
layouts: current ? { [owner]: current } : undefined,
|
||||
sessionOrder: this.deps.store.getSessionOrder(),
|
||||
persistedSessions: persisted,
|
||||
liveSessions: [...this.deps.sessions.values()],
|
||||
webviews,
|
||||
updatedAt: (this.deps.now ?? (() => new Date().toISOString()))(),
|
||||
}).layout;
|
||||
const next = materializeOrphans(authoritative, ids, metadata);
|
||||
prepared.push({
|
||||
owner,
|
||||
current,
|
||||
next,
|
||||
stored: current && !sameLayout(current, next) ? this.prepareCommit(current, next) : null,
|
||||
metadata,
|
||||
excludedSessionIds: new Set(ids),
|
||||
});
|
||||
}
|
||||
|
||||
const result = await action(new Set(confirmed.map((item) => item.id)));
|
||||
if (prepared.length > 0) {
|
||||
this.publish(
|
||||
Object.fromEntries(prepared.filter((item) => item.stored).map((item) => [item.owner, item.stored!])),
|
||||
prepared.map((item) => ({
|
||||
owner: item.owner,
|
||||
previous: item.current,
|
||||
next: item.stored ?? item.next,
|
||||
metadata: item.metadata,
|
||||
excludedSessionIds: item.excludedSessionIds,
|
||||
}))
|
||||
);
|
||||
}
|
||||
return result;
|
||||
});
|
||||
}
|
||||
|
||||
async webviewDeleted(owner: string, id: string): Promise<void> {
|
||||
this.assertDeletionReady();
|
||||
if (this.restorationState === 'skipped') return;
|
||||
await this.withOwner(owner, async () => {
|
||||
const current = this.deps.store.getTabLayout(owner);
|
||||
if (!current) return;
|
||||
const strip = (refs: readonly TabRef[]): TabRef[] =>
|
||||
refs.filter((ref) => ref.kind !== 'webview' || ref.id !== id).map((ref) => ({ ...ref }));
|
||||
const stripped: TabLayout = {
|
||||
...current,
|
||||
groups: current.groups.map((group) => ({ ...group, refs: strip(group.refs) })),
|
||||
ungrouped: strip(current.ungrouped),
|
||||
};
|
||||
const { metadata } = await this.facts(owner);
|
||||
const next = normalizeTabLayout(stripped, metadata);
|
||||
if (!sameLayout(current, next)) this.commit(owner, current, next, metadata);
|
||||
});
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user