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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x | import { useEffect, useRef } from 'react';
import { QueryKey, useQueryClient } from '@tanstack/react-query';
import Cookies from 'js-cookie';
import { API } from '@/api';
import { groupKeys } from '@/lib/query-key/query-key-group';
import { notificationKeys } from '@/lib/query-key/query-key-notification';
import { userKeys } from '@/lib/query-key/query-key-user';
import { useNotificationStore } from '@/stores';
import { NotificationItem } from '@/types/service/notification';
const SSE_INVALIDATION_MAP: Partial<
Record<NotificationItem['type'], (data: NotificationItem) => QueryKey[]>
> = {
FOLLOW: (data) => [userKeys.me(), userKeys.item(data.user.id)],
GROUP_CREATE: () => [groupKeys.lists()],
GROUP_DELETE: () => [groupKeys.lists()],
GROUP_JOIN: (data) => (data.group ? [groupKeys.detail(String(data.group.id))] : []),
GROUP_LEAVE: (data) => (data.group ? [groupKeys.detail(String(data.group.id))] : []),
GROUP_JOIN_APPROVED: (data) => (data.group ? [groupKeys.detail(String(data.group.id))] : []),
GROUP_JOIN_REJECTED: (data) => (data.group ? [groupKeys.detail(String(data.group.id))] : []),
GROUP_JOIN_KICKED: (data) => (data.group ? [groupKeys.detail(String(data.group.id))] : []),
GROUP_JOIN_REQUEST: (data) =>
data.group ? [groupKeys.joinRequests(String(data.group.id), 'PENDING')] : [],
};
interface Props {
children: React.ReactNode;
}
export const SSEProvider = ({ children }: Props) => {
const eventSourceRef = useRef<EventSource | null>(null);
const retryRefreshRef = useRef(false);
const isMountedRef = useRef(true);
const queryClient = useQueryClient();
const { receivedData, setReceivedData, setHasNewNotification } = useNotificationStore();
// SSE 연결 진입점
const connect = () => {
const token = Cookies.get('accessToken');
if (!token) {
console.log('[DEBUG] SSE - 토큰 없음');
return;
}
setupSSEConnection(token);
};
// SSE 연결 해제 함수
const disconnect = () => {
if (eventSourceRef.current) {
console.log('[DEBUG] SSE - 연결 정리');
eventSourceRef.current.close();
eventSourceRef.current = null;
}
retryRefreshRef.current = false;
};
// SSE 재연결 시도 함수
const reconnect = async () => {
retryRefreshRef.current = true;
console.log('[DEBUG] SSE - 토큰 갱신 시도');
try {
await API.authService.refresh();
const token = Cookies.get('accessToken');
if (token) {
setupSSEConnection(token);
}
} catch (error) {
console.error('[DEBUG] SSE - 토큰 갱신 실패:', error);
disconnect();
}
};
// SSE 연결 설정 함수
const setupSSEConnection = (token: string) => {
if (!isMountedRef.current) {
console.log('[DEBUG] SSE - 언마운트된 컴포넌트, 연결 중단');
return;
}
// 1. 기존 연결 정리
if (eventSourceRef.current) {
console.log('[DEBUG] SSE - 기존 연결 정리');
eventSourceRef.current.close();
eventSourceRef.current = null;
}
// 2. SSE 연결 시도
console.log('[DEBUG] SSE - 연결 시도');
const es = new EventSource(
`${process.env.NEXT_PUBLIC_API_BASE_URL}/api/v1/notifications/subscribe?accessToken=${token}`,
);
eventSourceRef.current = es;
// 3. SSE 연결 성공 시
es.addEventListener('connect', (event) => {
console.log('[DEBUG] SSE - 연결 확인:', event.data);
retryRefreshRef.current = false;
});
// 4. SSE 이벤트 수신 시
es.addEventListener('notification', (event) => {
try {
const data = JSON.parse(event.data) as NotificationItem;
console.log('[DEBUG] SSE - 수신 성공:', data);
setReceivedData(data);
setHasNewNotification(true);
} catch (error) {
console.error('[DEBUG] SSE - 데이터 파싱 실패:', error);
}
});
// 5. SSE 연결 오류 발생 시
es.onerror = async (_error) => {
console.log('[DEBUG] SSE - 연결 오류 발생');
es.close();
if (retryRefreshRef.current) return;
reconnect();
};
};
useEffect(() => {
isMountedRef.current = true;
connect();
return () => {
isMountedRef.current = false;
disconnect();
};
}, []);
// 알림 수신 후 invalidate 처리
useEffect(() => {
if (!receivedData) return;
queryClient.invalidateQueries({ queryKey: notificationKeys.unReadCount() });
queryClient.invalidateQueries({ queryKey: notificationKeys.list() });
const getQueryKeys = SSE_INVALIDATION_MAP[receivedData.type];
getQueryKeys?.(receivedData).forEach((queryKey) => {
queryClient.invalidateQueries({ queryKey });
});
}, [queryClient, receivedData]);
// 3초 뒤 data가 null로 변경됨
useEffect(() => {
if (!receivedData) return;
const timer = setTimeout(() => {
setReceivedData(null);
setHasNewNotification(false);
}, 3000);
return () => clearTimeout(timer);
}, [receivedData, setReceivedData]);
return <>{children}</>;
};
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