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path: root/src/routes/(app)/invoice/[id]/tip/+page.server.ts
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import getRates from "$lib/rates";
import { auth, fd, get, post } from "$lib/utils";
import { fail, redirect } from "@sveltejs/kit";

export async function load({ cookies, params, parent }) {
	const { id } = params;
	const rates = await getRates();
	let { invoice, subject, user } = await parent();
	if (!invoice.amount) redirect(307, `/invoice/${invoice.id}`);
	const pin = cookies.get("pin");

	if (user) {
		const trust = await get("/trust", auth(cookies));
		const trusted = trust.includes(invoice.uid);
		if (trusted && (pin || !user.haspin)) {
			let p;
			try {
				if (invoice.tip === null && invoice.user.prompt) {
					if (user.tip > 0) {
						invoice.tip = Math.round(invoice.amount * (user.tip / 100));
						invoice = await post(`/invoice/${id}`, { invoice }, auth(cookies));
						p = await post("/payments", { ...invoice, pin }, auth(cookies));
					}
				} else {
					p = await post("/payments", { ...invoice, pin }, auth(cookies));
				}
			} catch (e) {
				const { message } = e as Error;
				fail(400, { message });
			}
			if (p) redirect(307, `/sent/${p.id}`);
		}
	}

	const rate = rates[subject?.currency];
	const invoiceRate = rates[invoice.currency];
	return { rate, invoiceRate };
}

export const actions = {
	default: async ({ cookies, request }) => {
		const form = await fd(request);
		const invoice = {
			tip: form.tip ?? null,
		};

		const { id } = await post(
			`/invoice/${form.id}`,
			{ invoice },
			auth(cookies),
		);

		redirect(307, `/invoice/${id}`);
	},
};