ditto/src/views/mastodon/relationships.ts

import { eventsDB } from '@/storages.ts';
import { hasTag } from '@/tags.ts';

async function renderRelationship(sourcePubkey: string, targetPubkey: string) {
  const events = await eventsDB.query([
    { kinds: [3], authors: [sourcePubkey], limit: 1 },
    { kinds: [3], authors: [targetPubkey], limit: 1 },
    { kinds: [10000], authors: [sourcePubkey], limit: 1 },
    { kinds: [10000], authors: [targetPubkey], limit: 1 },
  ]);

  const event3 = events.find((event) => event.kind === 3 && event.pubkey === sourcePubkey);
  const target3 = events.find((event) => event.kind === 3 && event.pubkey === targetPubkey);
  const event10000 = events.find((event) => event.kind === 10000 && event.pubkey === sourcePubkey);
  const target10000 = events.find((event) => event.kind === 10000 && event.pubkey === targetPubkey);

  return {
    id: targetPubkey,
    following: event3 ? hasTag(event3.tags, ['p', targetPubkey]) : false,
    showing_reblogs: true,
    notifying: false,
    followed_by: target3 ? hasTag(target3?.tags, ['p', sourcePubkey]) : false,
    blocking: event10000 ? hasTag(event10000.tags, ['p', targetPubkey]) : false,
    blocked_by: target10000 ? hasTag(target10000.tags, ['p', sourcePubkey]) : false,
    muting: false,
    muting_notifications: false,
    requested: false,
    domain_blocking: false,
    endorsed: false,
  };
}

export { renderRelationship };