tildefriends/apps/collections/app.js

import * as tfrpc from '/tfrpc.js';

let g_hash;

tfrpc.register(async function getIdentities() {
	return ssb.getIdentities();
});

tfrpc.register(async function query(sql, args) {
	let result = [];
	await ssb.sqlAsync(sql, args, function callback(row) {
		result.push(row);
	});
	return result;
});

tfrpc.register(async function localStorageGet(key) {
	return app.localStorageGet(key);
});

tfrpc.register(async function localStorageSet(key, value) {
	return app.localStorageSet(key, value);
});

tfrpc.register(async function following(ids, depth) {
	return ssb.following(ids, depth);
});

tfrpc.register(async function appendMessage(id, message) {
	return ssb.appendMessageWithIdentity(id, message);
});

tfrpc.register(async function store_blob(blob) {
	if (Array.isArray(blob)) {
		blob = Uint8Array.from(blob);
	}
	return await ssb.blobStore(blob);
});

tfrpc.register(async function get_blob(id) {
	return utf8Decode(await ssb.blobGet(id));
});

ssb.addEventListener('message', async function(id) {
	let message;
	await ssb.sqlAsync('SELECT * FROM messages WHERE id = ?', [id], function(row) { message = row; });
	await tfrpc.rpc.notify_new_message(message);
});

core.register('message', async function message_handler(message) {
	if (message.event == 'hashChange') {
		print('hash change');
		g_hash = message.hash;
		await tfrpc.rpc.hash_changed(message.hash);
	}
});

tfrpc.register(function set_hash(hash) {
	if (g_hash != hash) {
		return app.setHash(hash);
	}
});

tfrpc.register(function get_hash(id, message) {
	return g_hash;
});

async function get_collections(kind) {
	let me = await ssb.getIdentities();
	let them = await ssb.following(me, 2);
	let collections = {};
	print('querying');
	for (let row of await query(`
		SELECT author, content, timestamp
		FROM messages JOIN json_each(?) AS id ON messages.author = id.value
		WHERE json_extract(content, '$.type') = 'collection' AND json_extract(content, '$.kind') = ?
	`, [JSON.stringify(them), kind])) {
		print(row);
	}
	print('done');
	return collections;
}

async function main() {
	await app.setDocument(utf8Decode(await getFile('index.html')));
}

main();