73 lines
2.8 KiB
TypeScript
73 lines
2.8 KiB
TypeScript
/**
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* rData Local-First Client
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*
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* Syncs shared analytics dashboard config across space members.
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*/
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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 { dataSchema, dataDocId } from './schemas';
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import type { DataDoc, TrackedApp } from './schemas';
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export class DataLocalFirstClient {
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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({ documents: this.#documents, store: this.#store });
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this.#documents.registerSchema(dataSchema);
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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('data', 'config');
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const cached = await this.#store.loadMany(cachedIds);
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for (const [docId, binary] of cached) this.#documents.open<DataDoc>(docId, dataSchema, binary);
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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('[DataClient] Working offline'); }
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this.#initialized = true;
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}
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async subscribe(): Promise<DataDoc | null> {
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const docId = dataDocId(this.#space) as DocumentId;
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let doc = this.#documents.get<DataDoc>(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<DataDoc>(docId, dataSchema, binary)
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: this.#documents.open<DataDoc>(docId, dataSchema);
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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(): DataDoc | undefined { return this.#documents.get<DataDoc>(dataDocId(this.#space) as DocumentId); }
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onChange(cb: (doc: DataDoc) => void): () => void { return this.#sync.onChange(dataDocId(this.#space) as DocumentId, cb as (doc: any) => void); }
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addTrackedApp(app: TrackedApp): void {
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const docId = dataDocId(this.#space) as DocumentId;
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this.#sync.change<DataDoc>(docId, `Track ${app.name}`, (d) => { d.trackedApps[app.id] = app; });
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}
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removeTrackedApp(appId: string): void {
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const docId = dataDocId(this.#space) as DocumentId;
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this.#sync.change<DataDoc>(docId, `Untrack app`, (d) => { delete d.trackedApps[appId]; });
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}
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async disconnect(): Promise<void> { await this.#sync.flush(); this.#sync.disconnect(); }
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}
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