39 lines
1.3 KiB
TypeScript
39 lines
1.3 KiB
TypeScript
import { NostrEvent, NostrFilter, NStore } from '@nostrify/nostrify';
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import { DittoEvent } from '@/interfaces/DittoEvent.ts';
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import { getTagSet } from '@/utils/tags.ts';
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export class UserStore implements NStore {
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constructor(private pubkey: string, private store: NStore) {}
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async event(event: NostrEvent, opts?: { signal?: AbortSignal }): Promise<void> {
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return await this.store.event(event, opts);
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}
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/**
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* Query events that `pubkey` did not mute
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* https://github.com/nostr-protocol/nips/blob/master/51.md#standard-lists
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*/
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async query(filters: NostrFilter[], opts: { signal?: AbortSignal; limit?: number } = {}): Promise<DittoEvent[]> {
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const events = await this.store.query(filters, opts);
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const pubkeys = await this.getMutedPubkeys();
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return events.filter((event) => {
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return event.kind === 0 || !pubkeys.has(event.pubkey);
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});
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}
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private async getMuteList(): Promise<DittoEvent | undefined> {
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const [muteList] = await this.store.query([{ authors: [this.pubkey], kinds: [10000], limit: 1 }]);
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return muteList;
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}
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private async getMutedPubkeys(): Promise<Set<string>> {
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const mutedPubkeysEvent = await this.getMuteList();
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if (!mutedPubkeysEvent) {
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return new Set();
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}
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return getTagSet(mutedPubkeysEvent.tags, 'p');
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}
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}
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