From 85162b6d33e2c37c0cbd8850e05797486c0ca317 Mon Sep 17 00:00:00 2001
From: ekzyis <ek@stacker.news>
Date: Sat, 22 Jul 2023 21:58:04 +0200
Subject: [PATCH] Add error handling

---
 lib/anonymous.js | 123 +++++++++++++++++++++++++++++++++++++++++------
 lib/time.js      |   2 +
 2 files changed, 109 insertions(+), 16 deletions(-)

diff --git a/lib/anonymous.js b/lib/anonymous.js
index 559854a1..06807c1d 100644
--- a/lib/anonymous.js
+++ b/lib/anonymous.js
@@ -9,8 +9,54 @@ import { useMe } from '../components/me'
 import { msatsToSats } from './format'
 import FundError from '../components/fund-error'
 import { INVOICE } from '../fragments/wallet'
+import InvoiceStatus from '../components/invoice-status'
+import { sleep } from './time'
+import { Button } from 'react-bootstrap'
+import { CopyInput } from '../components/form'
 
-const Invoice = ({ id, ...props }) => {
+const Contacts = ({ invoiceHash }) => {
+  const subject = `Support request for payment hash: ${invoiceHash}`
+  const body = 'Hi, I successfully paid for <insert action> but the action did not work.'
+  return (
+    <div className='d-flex flex-column justify-content-center'>
+      <span>Payment hash</span>
+      <div className='w-100'>
+        <CopyInput type='text' placeholder={invoiceHash} readOnly noForm />
+      </div>
+      <div className='d-flex flex-row justify-content-center'>
+        <a
+          href={`mailto:kk@stacker.news?subject=${subject}&body=${body}`} className='nav-link p-0 d-inline-flex'
+          target='_blank' rel='noreferrer'
+        >
+          e-mail
+        </a>
+        <span className='mx-2 text-muted'> \ </span>
+        <a
+          href='https://tribes.sphinx.chat/t/stackerzchat' className='nav-link p-0 d-inline-flex'
+          target='_blank' rel='noreferrer'
+        >
+          sphinx
+        </a>
+        <span className='mx-2 text-muted'> \ </span>
+        <a
+          href='https://t.me/k00bideh' className='nav-link p-0 d-inline-flex'
+          target='_blank' rel='noreferrer'
+        >
+          telegram
+        </a>
+        <span className='mx-2 text-muted'> \ </span>
+        <a
+          href='https://simplex.chat/contact#/?v=1-2&smp=smp%3A%2F%2F6iIcWT_dF2zN_w5xzZEY7HI2Prbh3ldP07YTyDexPjE%3D%40smp10.simplex.im%2FebLYaEFGjsD3uK4fpE326c5QI1RZSxau%23%2F%3Fv%3D1-2%26dh%3DMCowBQYDK2VuAyEAV086Oj5yCsavWzIbRMCVuF6jq793Tt__rWvCec__viI%253D%26srv%3Drb2pbttocvnbrngnwziclp2f4ckjq65kebafws6g4hy22cdaiv5dwjqd.onion&data=%7B%22type%22%3A%22group%22%2C%22groupLinkId%22%3A%22cZwSGoQhyOUulzp7rwCdWQ%3D%3D%22%7D' className='nav-link p-0 d-inline-flex'
+          target='_blank' rel='noreferrer'
+        >
+          simplex
+        </a>
+      </div>
+    </div>
+  )
+}
+
+const Invoice = ({ id, hash, errorCount, repeat, ...props }) => {
   const { data, loading, error } = useQuery(INVOICE, {
     pollInterval: 1000,
     variables: { id }
@@ -22,7 +68,26 @@ const Invoice = ({ id, ...props }) => {
   if (!data || loading) {
     return <QrSkeleton status='loading' />
   }
-  return <QrInvoice invoice={data.invoice} {...props} />
+
+  let errorStatus = 'Something went wrong. Please try again.'
+  if (errorCount > 1) {
+    errorStatus = 'Something still went wrong.\nPlease contact admins for support or to request a refund.'
+  }
+  return (
+    <>
+      <QrInvoice invoice={data.invoice} {...props} />
+      {errorCount > 0
+        ? (
+          <>
+            <InvoiceStatus variant='failed' status={errorStatus} />
+            {errorCount === 1
+              ? <div className='d-flex flex-row mt-3 justify-content-center'><Button variant='info' onClick={repeat}>Retry</Button></div>
+              : <Contacts invoiceHash={hash} />}
+          </>
+          )
+        : null}
+    </>
+  )
 }
 
 const defaultOptions = {
@@ -40,25 +105,51 @@ export const useAnonymous = (fn, options = defaultOptions) => {
   const showModal = useShowModal()
   const [fnArgs, setFnArgs] = useState()
 
+  // fix for bug where `showModal` runs the code for two modals and thus executes `onConfirmation` twice
+  let called = false
+  let errorCount = 0
+  const onConfirmation = useCallback(
+    onClose => {
+      called = false
+      return async ({ id, satsReceived, hash }) => {
+        if (called) return
+        called = true
+        await sleep(2000)
+        const repeat = () =>
+          fn(satsReceived, ...fnArgs, hash)
+            .then(onClose)
+            .catch((error) => {
+              console.error(error)
+              errorCount++
+              onClose()
+              showModal(onClose => (
+                <Invoice
+                  id={id}
+                  hash={hash}
+                  onConfirmation={onConfirmation(onClose)}
+                  successVerb='received'
+                  errorCount={errorCount}
+                  repeat={repeat}
+                />
+              ), { keepOpen: true })
+            })
+        // prevents infinite loop of calling `onConfirmation`
+        if (errorCount === 0) await repeat()
+      }
+    }, [fn, fnArgs]
+  )
+
   const invoice = data?.createInvoice
   useEffect(() => {
     if (invoice) {
-      // fix for bug where `showModal` runs the code for two modals and thus executes `onSuccess` twice
-      let called = false
-      showModal(onClose =>
+      showModal(onClose => (
         <Invoice
           id={invoice.id}
-          onConfirmation={
-            async ({ satsReceived }) => {
-              setTimeout(async () => {
-                if (called) return
-                called = true
-                await fn(satsReceived, ...fnArgs, invoice.hash)
-                onClose()
-              }, 2000)
-            }
-          } successVerb='received'
-        />, { keepOpen: true }
+          hash={invoice.hash}
+          onConfirmation={onConfirmation(onClose)}
+          successVerb='received'
+        />
+      ), { keepOpen: true }
       )
     }
   }, [invoice?.id])
diff --git a/lib/time.js b/lib/time.js
index b1f2e4fe..891482f8 100644
--- a/lib/time.js
+++ b/lib/time.js
@@ -45,3 +45,5 @@ export function timeLeft (timeStamp) {
     return parseInt(secondsPast / (3600 * 24)) + ' days'
   }
 }
+
+export const sleep = (ms) => new Promise((resolve, reject) => setTimeout(resolve, ms))