feat(lotto): useBriefing·useCuratorUsage 훅

src/pages/lotto/hooks/useBriefing.js

@@ -0,0 +1,56 @@
+import { useState, useEffect, useCallback, useRef } from 'react';
+import { getLatestBriefing, triggerLottoCurate } from '../../../api';
+
+export default function useBriefing() {
+    const [briefing, setBriefing] = useState(null);
+    const [loading, setLoading] = useState(true);
+    const [error, setError] = useState('');
+    const [regenerating, setRegenerating] = useState(false);
+    const pollingRef = useRef(null);
+
+    const load = useCallback(async () => {
+        setLoading(true); setError('');
+        try {
+            const data = await getLatestBriefing();
+            setBriefing(data);
+        } catch (e) {
+            setError(e.message);
+        } finally {
+            setLoading(false);
+        }
+    }, []);
+
+    useEffect(() => { load(); }, [load]);
+
+    const regenerate = useCallback(async () => {
+        setRegenerating(true); setError('');
+        try {
+            const prevGen = briefing?.generated_at;
+            await triggerLottoCurate();
+            let attempts = 0;
+            pollingRef.current = setInterval(async () => {
+                attempts += 1;
+                try {
+                    const data = await getLatestBriefing();
+                    if (data && data.generated_at !== prevGen) {
+                        setBriefing(data);
+                        setRegenerating(false);
+                        clearInterval(pollingRef.current);
+                    }
+                } catch {}
+                if (attempts >= 40) {
+                    clearInterval(pollingRef.current);
+                    setRegenerating(false);
+                    setError('재생성 타임아웃 (2분)');
+                }
+            }, 3000);
+        } catch (e) {
+            setError(e.message);
+            setRegenerating(false);
+        }
+    }, [briefing?.generated_at]);
+
+    useEffect(() => () => { if (pollingRef.current) clearInterval(pollingRef.current); }, []);
+
+    return { briefing, loading, error, regenerating, reload: load, regenerate };
+}