johnandersen777.bsky.social/knotless

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import type * as getFollowers from '#lib/lexicons/dev/knotless/getFollowers.ts';
import type * as getFollows from '#lib/lexicons/dev/knotless/getFollows.ts';
import type * as getActorStars from '#lib/lexicons/dev/knotless/getActorStars.ts';
import type * as getActorActivity from '#lib/lexicons/dev/knotless/getActorActivity.ts';
import type * as getActorRepos from '#lib/lexicons/dev/knotless/getActorRepos.ts';
import type * as getOrg from '#lib/lexicons/dev/knotless/getOrg.ts';
import type * as getFeed from '#lib/lexicons/dev/knotless/getFeed.ts';
import type * as getProfile from '#lib/lexicons/dev/knotless/getProfile.ts';
import type { Kind, Order } from '#lib/organisms/ProfileRepos.svelte';
import type { ProfileTab } from '#lib/templates/ProfilePage.svelte';
import type { PageLoad } from './$types';
import type { AtIdentifierString, DatetimeString } from '@atproto/lex';
import { since, today as on, YEAR } from '#lib/activity.ts';
import { xrpc } from '#lib/data.ts';

/** Events on each page of the activity tab. */
const PAGE = 40;

const one = <T extends string>(of: readonly T[], value: string | null): T =>
	of.find((v) => v === value) ?? of[0];

/**
 * Who the account is and the repositories its PDS holds, and to itself
 * those of others shared with it; and, as far as an
 * index knows, how much it did each day of the year and, on the activity
 * tab, a page of all it did, or on the stars tab, what it starred; or a
 * page of who follows it, or whom it follows; or, of an organization, its
 * members.
 */
export const load: PageLoad = async (event) => {
	// A handle or a DID, as the path names it; the server says if it is neither.
	const actor = event.params.authority as AtIdentifierString;
	const asked = event.url.searchParams;
	const tab = one<ProfileTab>(
		['overview', 'repos', 'stars', 'activity', 'followers', 'following', 'members'],
		asked.get('tab')
	);
	const [{ now, tz }, profile, { repos, shared = [] }] = await Promise.all([
		event.parent(),
		xrpc<typeof getProfile.main>(event, 'dev.knotless.getProfile', { actor }),
		xrpc<typeof getActorRepos.main>(event, 'dev.knotless.getActorRepos', { actor })
	]);
	// Days are counted in the viewer's zone, as the feed's are.
	const today = on(now, tz);
	const cursor = asked.get('cursor') ?? undefined;
	const [activity, feed, stars, follows, org] = await Promise.all([
		xrpc<typeof getActorActivity.main>(
			event,
			'dev.knotless.getActorActivity',
			{ actor: profile.did, since: since(today, YEAR) as DatetimeString, tz: tz ?? undefined },
			true
		),
		tab === 'activity'
			? xrpc<typeof getFeed.main>(
					event,
					'dev.knotless.getFeed',
					{ actor: profile.did, limit: PAGE, cursor },
					true
				)
			: null,
		tab === 'stars'
			? xrpc<typeof getActorStars.main>(
					event,
					'dev.knotless.getActorStars',
					{ actor: profile.did },
					true
				)
			: null,
		tab === 'followers'
			? xrpc<typeof getFollowers.main>(
					event,
					'dev.knotless.getFollowers',
					{ actor: profile.did, cursor },
					true
				)
			: tab === 'following'
				? xrpc<typeof getFollows.main>(
						event,
						'dev.knotless.getFollows',
						{ actor: profile.did, cursor },
						true
					)
				: null,
		tab === 'members'
			? xrpc<typeof getOrg.main>(event, 'dev.knotless.getOrg', { actor: profile.did }, true)
			: null
	]);
	const filter = {
		q: asked.get('q') ?? '',
		kind: one<Kind>(['all', 'sources', 'forks', 'shared'], asked.get('kind')),
		order: one<Order>(['pushed', 'created', 'name'], asked.get('sort'))
	};
	return { today, tab, profile, repos, shared, activity, feed, stars, follows, org, filter };
};