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import { SimplePool } from 'nostr-tools/pool';
import { verifyEvent } from 'nostr-tools/pure';
import { signEvent, encrypt, decrypt } from '$lib/nip07';
const pool = new SimplePool();
import { PUBLIC_DM_RELAYS } from '$env/static/public';
const DM_RELAYS_LIST = PUBLIC_DM_RELAYS.split(',');
// Mute the provided pubkey, as the provided user.
export const mute = async (user: object, pubkey: string, hide: bool) => {
let { shown, hidden } = await getMuteLists(user);
if (hide) {
hidden.push(["p", pubkey]);
} else {
shown.push(["p", pubkey]);
}
await publishMuteList(user, shown, hidden);
}
const tagMatches = (tag: string[], pubkey: string): bool =>
tag.length >= 2 && tag[0] === "p" && tag[1] === pubkey;
// Unmute the provided pubkey, as the provided user.
export const unmute = async (user: object, pubkey: string) => {
let { shown, hidden } = await getMuteLists(user);
shown = shown.filter(tag => !tagMatches(tag, pubkey));
hidden = hidden.filter(tag => !tagMatches(tag, pubkey));
await publishMuteList(user, shown, hidden);
}
// Returns a set of the provided user's muted accounts.
export const mutedAccounts = async (user: object): Set<string> => {
const { shown, hidden } = await getMuteLists(user);
let muted = new Set<string>();
for (const tag of shown) {
if (tag.length >= 2 && tag[0] === "p") {
muted.add(tag[1]);
}
}
for (const tag of hidden) {
if (tag.length >= 2 && tag[0] === "p") {
muted.add(tag[1]);
}
}
return muted;
}
const getMuteLists = async (user: object): object => {
const listEvents = await pool.querySync(
DM_RELAYS_LIST, { kinds: [10000], "authors": [user.pubkey], limit: 1 }
);
if (listEvents.length == 0) {
return { shown: [], hidden: [] };
}
return {
shown: listEvents[0].tags,
hidden: listEvents[0].content == "" ? [] :
await decrypt(listEvents[0].content, user, user.pubkey)
};
}
const publishMuteList = async (user: object, shown: string[], hidden: string[]) => {
const event = await signEvent({
kind: 10000,
created_at: Math.floor(Date.now() / 1000),
tags: shown,
content: await encrypt(hidden, user, user.pubkey)
}, user);
return Promise.any(pool.publish(DM_RELAYS_LIST, event));
}
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