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

83 lines
3.3 KiB
TypeScript

/**
* rPhotos Local-First Client
*
* Syncs shared album curation and photo annotations.
*/
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 { photosSchema, photosDocId } from './schemas';
import type { PhotosDoc, SharedAlbum, PhotoAnnotation } from './schemas';
export class PhotosLocalFirstClient {
#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(photosSchema);
}
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('photos', 'albums');
const cached = await this.#store.loadMany(cachedIds);
for (const [docId, binary] of cached) this.#documents.open<PhotosDoc>(docId, photosSchema, binary);
await this.#sync.preloadSyncStates(cachedIds);
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('[PhotosClient] Working offline'); }
this.#initialized = true;
}
async subscribe(): Promise<PhotosDoc | null> {
const docId = photosDocId(this.#space) as DocumentId;
let doc = this.#documents.get<PhotosDoc>(docId);
if (!doc) {
const binary = await this.#store.load(docId);
doc = binary
? this.#documents.open<PhotosDoc>(docId, photosSchema, binary)
: this.#documents.open<PhotosDoc>(docId, photosSchema);
}
await this.#sync.subscribe([docId]);
return doc ?? null;
}
getDoc(): PhotosDoc | undefined { return this.#documents.get<PhotosDoc>(photosDocId(this.#space) as DocumentId); }
onChange(cb: (doc: PhotosDoc) => void): () => void { return this.#sync.onChange(photosDocId(this.#space) as DocumentId, cb as (doc: any) => void); }
shareAlbum(album: SharedAlbum): void {
const docId = photosDocId(this.#space) as DocumentId;
this.#sync.change<PhotosDoc>(docId, `Share album ${album.name}`, (d) => { d.sharedAlbums[album.id] = album; });
}
unshareAlbum(albumId: string): void {
const docId = photosDocId(this.#space) as DocumentId;
this.#sync.change<PhotosDoc>(docId, `Unshare album`, (d) => { delete d.sharedAlbums[albumId]; });
}
annotatePhoto(annotation: PhotoAnnotation): void {
const docId = photosDocId(this.#space) as DocumentId;
this.#sync.change<PhotosDoc>(docId, `Annotate photo`, (d) => { d.annotations[annotation.assetId] = annotation; });
}
removeAnnotation(assetId: string): void {
const docId = photosDocId(this.#space) as DocumentId;
this.#sync.change<PhotosDoc>(docId, `Remove annotation`, (d) => { delete d.annotations[assetId]; });
}
async disconnect(): Promise<void> { await this.#sync.flush(); this.#sync.disconnect(); }
}