Query for user bets. Template page to show them.

web/hooks/use-user-bets.ts

@@ -0,0 +1,12 @@
+import { useEffect, useState } from 'react'
+import { Bet, listenForUserBets } from '../lib/firebase/bets'
+
+export const useUserBets = (userId: string) => {
+  const [bets, setBets] = useState<Bet[] | 'loading'>('loading')
+
+  useEffect(() => {
+    return listenForUserBets(userId, setBets)
+  }, [userId])
+
+  return bets
+}

web/lib/firebase/bets.ts

@@ -1,4 +1,10 @@
-import { collection, onSnapshot } from 'firebase/firestore'
+import {
+  collection,
+  collectionGroup,
+  query,
+  onSnapshot,
+  where,
+} from 'firebase/firestore'
 import { db } from './init'
 
 export type Bet = {
@@ -30,3 +36,19 @@ export function listenForBets(
     setBets(bets)
   })
 }
+
+export function listenForUserBets(
+  userId: string,
+  setBets: (bets: Bet[]) => void
+) {
+  const userQuery = query(
+    collectionGroup(db, 'bets'),
+    where('userId', '==', userId)
+  )
+
+  return onSnapshot(userQuery, (snap) => {
+    const bets = snap.docs.map((doc) => doc.data() as Bet)
+    bets.sort((bet1, bet2) => bet1.createdTime - bet2.createdTime)
+    setBets(bets)
+  })
+}

web/pages/my-bets.tsx

@@ -0,0 +1,29 @@
+import React from 'react'
+import { Header } from '../components/header'
+import { Col } from '../components/layout/col'
+import { useUser } from '../hooks/use-user'
+import { useUserBets } from '../hooks/use-user-bets'
+
+export default function MyBets() {
+  const user = useUser()
+
+  const bets = useUserBets(user?.id ?? '')
+
+  if (bets === 'loading') {
+    return <div />
+  }
+
+  return (
+    <div className="max-w-7xl mx-auto sm:px-6 lg:px-8">
+      <Header />
+
+      <Col className="w-full md:justify-between md:flex-row mt-4">
+        {bets.length === 0 ? (
+          <div>You have not made any bets yet!</div>
+        ) : (
+          <div>{bets.length}</div>
+        )}
+      </Col>
+    </div>
+  )
+}