feat: checkpoint 2

client/src/lib/index.ts

@@ -19,3 +19,14 @@ export const getInvoices = async (): Promise<GetInvoicesResponse> =>
     fetch(`${API_ENDPOINT}/api/invoicesForPlayers`)
         .then((a) => a.json())
         .then(GetInvoicesResponse.parse);
+
+type GetInvoiceStatusResponse = z.infer<typeof GetInvoiceStatusResponse>;
+
+const GetInvoiceStatusResponse = z.object({
+    paid: z.boolean(),
+})
+
+export const getInvoiceStatus = async (id: number): Promise<GetInvoiceStatusResponse> =>
+    fetch(`${API_ENDPOINT}/api/invoiceStatus/${id}`)
+        .then((a) => a.json())
+        .then(GetInvoiceStatusResponse.parse)

client/src/routes/+page.svelte

@@ -2,6 +2,7 @@
     import { goto } from "$app/navigation";
     import { onMount } from "svelte";
     import type { PageServerData } from "./$types";
+    import { getInvoiceStatus } from "$lib";
 
     export let data: PageServerData;
 
@@ -10,11 +11,25 @@
     let invoicesPaid: boolean = false;
 
     onMount(() => {
-        console.log("TODO");
+        const interval = setInterval(async () => {
+            await checkInvoices();
+
+            if (invoicesPaid) {
+                clearInterval(interval);
+            }
+        }, 1000 * 10);
     });
 
     async function checkInvoices(): Promise<void> {
-        console.log("TODO");
+        if (!data.playerOne || !data.playerTwo) {
+            return;
+        }
+        const playerOneInvoicePaid = await getInvoiceStatus(data.playerOne.id);
+        const playerTwoInvoicePaid = await getInvoiceStatus(data.playerTwo.id);
+
+        invoicesPaid = playerOneInvoicePaid.paid && playerTwoInvoicePaid.paid;
+
+        return;
     }
 
     function copyToClipboard(payRequest: string | undefined) {
@@ -28,7 +43,21 @@
     }
 
     function submit() {
-        console.log("TODO");
+        if (playerOneName === "" || playerTwoName === "") {
+            return;
+        }
+
+        if (playerOneName.length < 3 || playerTwoName.length < 3) {
+            return;
+        }
+
+        if (!invoicesPaid) {
+            return;
+        }
+
+        goto(`/${playerOneName}-${playerTwoName}`);
+
+        return;
     }
 
     $: disabled = playerOneName === "" || playerTwoName === "" || !invoicesPaid;

server/routes/index.ts

@@ -44,7 +44,25 @@ router.get('/invoicesForPlayers', async (_req, res) => {
 });
 
 router.get('/invoiceStatus/:id', async (req, res) => {
-    console.log("TODO");
+    try {
+        console.log('invoiceStatus');
+
+        const { id } = req.params;
+        const idAsInt = parseInt(id);
+
+        const invoiceHash = invoicesDb.get(idAsInt);
+
+        if (!invoiceHash) {
+            return res.status(404).send({ error: "Invoice not found" });
+        }
+
+        const status = await getInvoice({ lnd, id: invoiceHash });
+
+        return res.status(200).send({ paid: status.is_confirmed });
+    } catch (err) {
+        console.error("invoiceStatus error: ", err);
+        return res.status(500).send({ error: "Server is dumb" });
+    }
 });
 
 interface PayInvoiceRequest extends Request { body: { payreq: string } };