rspace-online/modules/rcal/local-first-client.ts

97 lines
3.9 KiB
TypeScript

/**
* rCal Local-First Client
*
* Wraps the shared local-first stack into a calendar-specific API.
* External iCal sync stays server-side.
*/
import * as Automerge from '@automerge/automerge';
import { DocumentManager } from '../../shared/local-first/document';
import type { DocumentId } from '../../shared/local-first/document';
import { EncryptedDocStore } from '../../shared/local-first/storage';
import { DocSyncManager } from '../../shared/local-first/sync';
import { DocCrypto } from '../../shared/local-first/crypto';
import { calendarSchema, calendarDocId } from './schemas';
import type { CalendarDoc, CalendarEvent, CalendarSource } from './schemas';
export class CalLocalFirstClient {
#space: string;
#documents: DocumentManager;
#store: EncryptedDocStore;
#sync: DocSyncManager;
#initialized = false;
constructor(space: string, docCrypto?: DocCrypto) {
this.#space = space;
this.#documents = new DocumentManager();
this.#store = new EncryptedDocStore(space, docCrypto);
this.#sync = new DocSyncManager({
documents: this.#documents,
store: this.#store,
});
this.#documents.registerSchema(calendarSchema);
}
get isConnected(): boolean { return this.#sync.isConnected; }
async init(): Promise<void> {
if (this.#initialized) return;
await this.#store.open();
const cachedIds = await this.#store.listByModule('cal', 'events');
for (const docId of cachedIds) {
const binary = await this.#store.load(docId);
if (binary) this.#documents.open<CalendarDoc>(docId, calendarSchema, binary);
}
const proto = location.protocol === 'https:' ? 'wss:' : 'ws:';
const wsUrl = `${proto}//${location.host}/ws/${this.#space}`;
try { await this.#sync.connect(wsUrl, this.#space); } catch { console.warn('[CalClient] Working offline'); }
this.#initialized = true;
}
async subscribe(): Promise<CalendarDoc | null> {
const docId = calendarDocId(this.#space) as DocumentId;
let doc = this.#documents.get<CalendarDoc>(docId);
if (!doc) {
const binary = await this.#store.load(docId);
doc = binary
? this.#documents.open<CalendarDoc>(docId, calendarSchema, binary)
: this.#documents.open<CalendarDoc>(docId, calendarSchema);
}
await this.#sync.subscribe([docId]);
return doc ?? null;
}
getCalendar(): CalendarDoc | undefined {
return this.#documents.get<CalendarDoc>(calendarDocId(this.#space) as DocumentId);
}
updateEvent(eventId: string, changes: Partial<CalendarEvent>): void {
const docId = calendarDocId(this.#space) as DocumentId;
this.#sync.change<CalendarDoc>(docId, `Update event ${eventId}`, (d) => {
if (!d.events[eventId]) {
d.events[eventId] = { id: eventId, title: '', description: '', startTime: 0, endTime: 0, allDay: false, timezone: null, rrule: null, status: null, visibility: null, sourceId: null, sourceName: null, sourceType: null, sourceColor: null, locationId: null, locationName: null, coordinates: null, locationGranularity: null, locationLat: null, locationLng: null, isVirtual: false, virtualUrl: null, virtualPlatform: null, rToolSource: null, rToolEntityId: null, attendees: [], attendeeCount: 0, metadata: null, createdAt: Date.now(), updatedAt: Date.now(), ...changes } as CalendarEvent;
} else {
Object.assign(d.events[eventId], changes);
d.events[eventId].updatedAt = Date.now();
}
});
}
deleteEvent(eventId: string): void {
const docId = calendarDocId(this.#space) as DocumentId;
this.#sync.change<CalendarDoc>(docId, `Delete event ${eventId}`, (d) => { delete d.events[eventId]; });
}
onChange(cb: (doc: CalendarDoc) => void): () => void {
return this.#sync.onChange(calendarDocId(this.#space) as DocumentId, cb as (doc: any) => void);
}
onConnect(cb: () => void): () => void { return this.#sync.onConnect(cb); }
onDisconnect(cb: () => void): () => void { return this.#sync.onDisconnect(cb); }
async disconnect(): Promise<void> {
await this.#sync.flush();
this.#sync.disconnect();
}
}