Function applyPublicFlagsToMessages

packages/core/src/message.ts:56–149

(messages: T[])

};

export function applyPublicFlagsToMessages<
	T extends MessageWithAuthorServerSettings & {
		solutions: MessageWithAuthorServerSettings[];
		reference: MessageWithAuthorServerSettings | null;
		server: Pick<Server, 'bitfield'>;
	},
>(messages: T[]) {
	if (messages.length === 0) {
		return [];
	}

	const getLookupKey = (m: { userId: string; serverId: string }) =>
		`${m.userId}-${m.serverId}`;

	// TODO: Ew 🤮
	const authorServerSettingsLookup = new Map(
		messages
			.filter((msg) => msg.author && msg.author.userServerSettings)
			.flatMap((msg) => [
				...msg.author.userServerSettings,
				...msg.solutions.flatMap((s) => s.author.userServerSettings),
				...(msg?.reference?.author.userServerSettings ?? []),
			])
			.map((uss) => [getLookupKey(uss), addFlagsToUserServerSettings(uss)]),
	);
	const seedLookup = new Map(messages.map((a) => [a.authorId, getRandomId()]));

	const makeMessageWithAuthor = (
		msg: MessageWithAuthorServerSettings,
		serverWithFlags: Pick<ServerWithFlags, 'flags'>,
	) => {
		if (!msg.author || !msg.author.userServerSettings) {
			return null;
		}
		const author = msg.author;
		const seed = seedLookup.get(author.id) ?? getRandomId();
		const authorServerSettings = authorServerSettingsLookup.get(
			getLookupKey({
				serverId: msg.serverId,
				userId: author.id,
			}),
		);

		const areAllServerMessagesPublic =
			serverWithFlags.flags.considerAllMessagesPublic;
		const hasUserGrantedConsent =
			authorServerSettings?.flags.canPubliclyDisplayMessages ?? false;
		const isMessagePublic = areAllServerMessagesPublic || hasUserGrantedConsent;
		const publicAccount = zDiscordAccountPublic.parse(author);
		const isAnonymous =
			serverWithFlags.flags.anonymizeMessages &&
			!authorServerSettings?.flags.canPubliclyDisplayMessages;
		return {
			...pick(
				msg,
				'content',
				'id',
				'channelId',