76 lines
1.5 KiB
TypeScript
76 lines
1.5 KiB
TypeScript
import Dexie, { Table } from "dexie";
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import { FullRelaySettings, HexKey, RawEvent, u256 } from "@snort/nostr";
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import { MetadataCache } from "Cache";
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export const NAME = "snortDB";
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export const VERSION = 8;
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export interface SubCache {
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id: string;
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ids: u256[];
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until?: number;
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since?: number;
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}
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export interface RelayMetrics {
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addr: string;
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events: number;
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disconnects: number;
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latency: number[];
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}
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export interface UsersRelays {
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pubkey: HexKey;
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relays: FullRelaySettings[];
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}
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export interface EventInteraction {
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id: u256;
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event: u256;
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by: HexKey;
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reacted: boolean;
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zapped: boolean;
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reposted: boolean;
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}
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const STORES = {
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users: "++pubkey, name, display_name, picture, nip05, npub",
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relays: "++addr",
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userRelays: "++pubkey",
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events: "++id, pubkey, created_at",
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dms: "++id, pubkey",
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eventInteraction: "++id",
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};
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export class SnortDB extends Dexie {
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ready = false;
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users!: Table<MetadataCache>;
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relayMetrics!: Table<RelayMetrics>;
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userRelays!: Table<UsersRelays>;
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events!: Table<RawEvent>;
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dms!: Table<RawEvent>;
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eventInteraction!: Table<EventInteraction>;
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constructor() {
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super(NAME);
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this.version(VERSION).stores(STORES);
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}
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isAvailable() {
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if ("indexedDB" in window) {
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return new Promise<boolean>(resolve => {
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const req = window.indexedDB.open("dummy", 1);
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req.onsuccess = () => {
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resolve(true);
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};
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req.onerror = () => {
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resolve(false);
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};
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});
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}
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return Promise.resolve(false);
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}
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}
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export const db = new SnortDB();
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