added files in git

src/hooks/useChats.js

@@ -0,0 +1,62 @@
+import { useState, useCallback } from "react";
+import { API_URL } from "../config/authConstants";
+import { cachePostsFromChats, setPostForChat } from "../stores/chatPostStore";
+
+function authHeaders() {
+  return {
+    "Content-Type": "application/json",
+    "Authorization": `Bearer ${localStorage.getItem("token")}`,
+  };
+}
+
+export function useChats() {
+  const [chats, setChats] = useState([]);
+  const [loading, setLoading] = useState(false);
+
+  const fetchChats = useCallback(async () => {
+    setLoading(true);
+    try {
+      const res = await fetch(`${API_URL}/api/v1/chats`, { headers: authHeaders() });
+      const data = await res.json();
+      // API may return an array directly or a wrapper object like { items: [] } / { content: [] }
+      const list = Array.isArray(data) ? data : (data.items ?? data.content ?? []);
+      cachePostsFromChats(list);
+      setChats(list);
+    } finally {
+      setLoading(false);
+    }
+  }, []);
+
+  const createOrGetChat = useCallback(async (otherUserId, postId, postInfo) => {
+    const url = new URL(`${API_URL}/api/v1/chats/with/${otherUserId}`);
+    if (postId) url.searchParams.set("postId", postId);
+
+    const res = await fetch(url, { method: "POST", headers: authHeaders() });
+    if (!res.ok) throw new Error("Не удалось создать чат");
+    const chat = await res.json();
+    if (postInfo && chat.id) {
+      setPostForChat(chat.id, postInfo);
+    }
+    return chat;
+  }, []);
+
+  const fetchMessages = useCallback(async (chatId) => {
+    const res = await fetch(`${API_URL}/api/v1/chats/${chatId}/messages`, { headers: authHeaders() });
+    const data = await res.json();
+    // Normalize: array or wrapper object
+    return Array.isArray(data) ? data : (data.items ?? data.content ?? []);
+  }, []);
+
+  const markAsRead = useCallback(async (chatId) => {
+    try {
+      await fetch(`${API_URL}/api/v1/chats/${chatId}/read`, {
+        method: "POST",
+        headers: authHeaders(),
+      });
+    } catch (e) {
+      console.error("Failed to mark as read:", e);
+    }
+  }, []);
+
+  return { chats, loading, fetchChats, createOrGetChat, fetchMessages, markAsRead };
+}