118 lines
3.9 KiB
TypeScript
118 lines
3.9 KiB
TypeScript
/**
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* rBnb Local-First Client
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*
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* Wraps the shared local-first stack into a hospitality-specific API.
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* Handles Automerge document sync for listings, stays, and endorsements.
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*/
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import * as Automerge from '@automerge/automerge';
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import { DocumentManager } from '../../shared/local-first/document';
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import type { DocumentId } from '../../shared/local-first/document';
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import { EncryptedDocStore } from '../../shared/local-first/storage';
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import { DocSyncManager } from '../../shared/local-first/sync';
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import { DocCrypto } from '../../shared/local-first/crypto';
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import { bnbSchema, bnbDocId } from './schemas';
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import type { BnbDoc, Listing, StayRequest, StayMessage } from './schemas';
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export class BnbLocalFirstClient {
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#space: string;
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#documents: DocumentManager;
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#store: EncryptedDocStore;
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#sync: DocSyncManager;
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#initialized = false;
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constructor(space: string, docCrypto?: DocCrypto) {
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this.#space = space;
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this.#documents = new DocumentManager();
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this.#store = new EncryptedDocStore(space, docCrypto);
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this.#sync = new DocSyncManager({
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documents: this.#documents,
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store: this.#store,
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});
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this.#documents.registerSchema(bnbSchema);
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}
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get isConnected(): boolean { return this.#sync.isConnected; }
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async init(): Promise<void> {
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if (this.#initialized) return;
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await this.#store.open();
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const cachedIds = await this.#store.listByModule('bnb', 'listings');
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const cached = await this.#store.loadMany(cachedIds);
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for (const [docId, binary] of cached) {
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this.#documents.open<BnbDoc>(docId, bnbSchema, binary);
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}
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await this.#sync.preloadSyncStates(cachedIds);
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const proto = location.protocol === 'https:' ? 'wss:' : 'ws:';
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const wsUrl = `${proto}//${location.host}/ws/${this.#space}`;
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try { await this.#sync.connect(wsUrl, this.#space); } catch { console.warn('[BnbClient] Working offline'); }
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this.#initialized = true;
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}
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async subscribe(): Promise<BnbDoc | null> {
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const docId = bnbDocId(this.#space) as DocumentId;
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let doc = this.#documents.get<BnbDoc>(docId);
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if (!doc) {
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const binary = await this.#store.load(docId);
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doc = binary
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? this.#documents.open<BnbDoc>(docId, bnbSchema, binary)
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: this.#documents.open<BnbDoc>(docId, bnbSchema);
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}
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await this.#sync.subscribe([docId]);
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return doc ?? null;
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}
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getDoc(): BnbDoc | undefined {
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return this.#documents.get<BnbDoc>(bnbDocId(this.#space) as DocumentId);
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}
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updateListing(listingId: string, changes: Partial<Listing>): void {
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const docId = bnbDocId(this.#space) as DocumentId;
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this.#sync.change<BnbDoc>(docId, `Update listing ${listingId}`, (d) => {
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if (!d.listings[listingId]) return;
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Object.assign(d.listings[listingId], changes);
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d.listings[listingId].updatedAt = Date.now();
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});
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}
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createStayRequest(stay: Omit<StayRequest, 'id' | 'requestedAt' | 'respondedAt' | 'completedAt' | 'cancelledAt'>): string {
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const docId = bnbDocId(this.#space) as DocumentId;
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const stayId = crypto.randomUUID();
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this.#sync.change<BnbDoc>(docId, `Create stay ${stayId}`, (d) => {
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d.stays[stayId] = {
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...stay,
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id: stayId,
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requestedAt: Date.now(),
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respondedAt: null,
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completedAt: null,
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cancelledAt: null,
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};
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});
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return stayId;
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}
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addMessage(stayId: string, message: Omit<StayMessage, 'id' | 'sentAt'>): void {
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const docId = bnbDocId(this.#space) as DocumentId;
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this.#sync.change<BnbDoc>(docId, `Add message to stay ${stayId}`, (d) => {
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if (!d.stays[stayId]) return;
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d.stays[stayId].messages.push({
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...message,
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id: crypto.randomUUID(),
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sentAt: Date.now(),
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});
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});
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}
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onChange(cb: (doc: BnbDoc) => void): () => void {
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return this.#sync.onChange(bnbDocId(this.#space) as DocumentId, cb as (doc: any) => void);
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}
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onConnect(cb: () => void): () => void { return this.#sync.onConnect(cb); }
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onDisconnect(cb: () => void): () => void { return this.#sync.onDisconnect(cb); }
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async disconnect(): Promise<void> {
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await this.#sync.flush();
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this.#sync.disconnect();
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}
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}
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