fixed code

src/hooks/useFeedPosts.jsx

@@ -0,0 +1,50 @@
+import { useState, useCallback } from "react";
+import { API_URL } from "../config/authConstants";
+
+const PAGE_SIZE = 20;
+
+/**
+ * Управляет основной лентой объявлений: загрузка, пагинация, поиск.
+ */
+export function useFeedPosts() {
+  const [ads, setAds] = useState([]);
+  const [loading, setLoading] = useState(true);
+  const [error, setError] = useState("");
+  const [page, setPage] = useState(0);
+  const [hasMore, setHasMore] = useState(true);
+  const [loadingMore, setLoadingMore] = useState(false);
+
+  const loadFeed = useCallback(async (pageNum = 0, search = "", append = false) => {
+    if (pageNum === 0) {
+      setLoading(true);
+    } else {
+      setLoadingMore(true);
+    }
+    setError("");
+    try {
+      const params = new URLSearchParams({ page: pageNum, size: PAGE_SIZE });
+      if (search) params.set("search", search);
+
+      const res = await fetch(`${API_URL}/api/v1/posts?${params}`);
+      if (!res.ok) throw new Error(`Error ${res.status}`);
+      const data = await res.json();
+
+      const content = data.content ?? [];
+      const normalizedAds = content.map(ad => ({
+        ...ad,
+        type: ad.type ? ad.type.toLowerCase() : "loss",
+      }));
+
+      setAds(prev => (append ? [...prev, ...normalizedAds] : normalizedAds));
+      setHasMore(!data.last);
+      setPage(pageNum);
+    } catch (err) {
+      setError(err.message || "Failed to load ads");
+    } finally {
+      setLoading(false);
+      setLoadingMore(false);
+    }
+  }, []);
+
+  return { ads, loading, error, page, hasMore, loadingMore, loadFeed };
+}