Update friend list fetching

src/pages/FriendListPage.tsx

@@ -9,7 +9,6 @@ interface Friend {
 }
 
 export default function FriendListPage() {
-    const [friendIds, setFriendIds] = useState<number[]>([])
     const [friends, setFriends] = useState<Friend[]>([])
     const [showDialog, setShowDialog] = useState(false)
     const navigate = useNavigate()
@@ -17,13 +16,8 @@ export default function FriendListPage() {
     useEffect(() => {
         const fetchFriends = async () => {
             try {
-                const ids: number[] = await api.get('/friends/list').then(res => res.data)
-                setFriendIds(ids)
-
-                const friendInfos = await Promise.all(
-                    ids.map(id => api.get(`/users/${id}`).then(res => res.data))
-                )
-                setFriends(friendInfos)
+                const res = await api.get('/friends/list')
+                setFriends(res.data)
             } catch (e) {
                 console.error('친구 목록 불러오기 실패', e)
             }

src/pages/FriendRequestsPage.tsx

@@ -5,6 +5,8 @@ interface FriendRequest {
     id: number
     from_user_id: number
     to_user_id: number
+    from_user_email?: string
+    to_user_email?: string
     status: 'pending' | 'accepted' | 'rejected' | 'cancelled'
     created_at: string
 }
@@ -21,11 +23,17 @@ export default function FriendRequestsPage() {
             const res = await api.get(url)
             setRequests(res.data)
 
-            const userIds = res.data.map((r: FriendRequest) =>
-                tab === 'received' ? r.from_user_id : r.to_user_id
-            )
             const emails = await Promise.all(
-                userIds.map(id => api.get(`/users/${id}`).then(res => [id, res.data.email]))
+                res.data.map(async (r: FriendRequest) => {
+                    const targetId = tab === 'received' ? r.from_user_id : r.to_user_id
+                    const emailFromResponse =
+                        tab === 'received' ? r.from_user_email : r.to_user_email
+                    if (emailFromResponse) {
+                        return [targetId, emailFromResponse] as [number, string]
+                    }
+                    const user = await api.get(`/users/${targetId}`)
+                    return [targetId, user.data.email] as [number, string]
+                })
             )
             setEmailMap(Object.fromEntries(emails))
         }
@@ -35,13 +43,31 @@ export default function FriendRequestsPage() {
     const handleRespond = async (id: number, accept: boolean) => {
         await api.post(`/friends/requests/${id}/respond`, null, { params: { accept } })
         alert(accept ? '친구 요청을 수락했습니다.' : '친구 요청을 거절했습니다.')
-        setRequests(requests.filter(r => r.id !== id))
+        const req = requests.find(r => r.id === id)
+        const targetId = req ? (tab === 'received' ? req.from_user_id : req.to_user_id) : null
+        setRequests(prev => prev.filter(r => r.id !== id))
+        if (targetId !== null) {
+            setEmailMap(prev => {
+                const newMap = { ...prev }
+                delete newMap[targetId]
+                return newMap
+            })
+        }
     }
 
     const handleCancel = async (id: number) => {
         await api.post(`/friends/requests/${id}/cancel`)
         alert('요청을 취소했습니다.')
-        setRequests(requests.filter(r => r.id !== id))
+        const req = requests.find(r => r.id === id)
+        const targetId = req ? (tab === 'received' ? req.from_user_id : req.to_user_id) : null
+        setRequests(prev => prev.filter(r => r.id !== id))
+        if (targetId !== null) {
+            setEmailMap(prev => {
+                const newMap = { ...prev }
+                delete newMap[targetId]
+                return newMap
+            })
+        }
     }
 
     return (