non auth part

src/API/common.ts

@@ -1,7 +1,8 @@
-import {useEffect, useState} from "react";
+import {useEffect, useMemo, useState} from "react";
 import {DEBUG_MODE} from "../utils/common";
 import {ApiResponse, PageResponse} from "../types/api.ts";
 import {PageControl} from "../types/common.ts";
+import {Institution} from "../types/survey.ts";
 
 export function hostUrl(url: string){
     return DEBUG_MODE? "http://localhost:8000"+url: url;
@@ -144,3 +145,43 @@ export function useData<T>(application:string, endpoint: string, id: string|numb
 
 }
 
+export function useCachedData<T>(application: string, endpoint: string) {
+    const [cache, setCache] = useState<Map<string | number, T | undefined>>(new Map());
+
+    useEffect(() => {
+        // Очистка кеша или другие побочные эффекты при необходимости
+        return () => {
+            setCache(new Map());
+        };
+    }, []);
+
+    return (id: string | number, needLoad: boolean = true): T | undefined | null => {
+        const cachedData = cache.has(id)?cache.get(id):null;
+
+        if (cachedData !== null) {
+            return cachedData;
+        }
+
+        if (needLoad) {
+            getFetch(`/${application}/${endpoint}/${id}`).then((r) => {
+                if (r.success) {
+                    const data = r.body as T;
+                    setCache((prevCache) => {
+                        const newCache = new Map(prevCache);
+                        newCache.set(id, data);
+                        return newCache;
+                    });
+                } else {
+                    setCache((prevCache) => {
+                        const newCache = new Map(prevCache);
+                        newCache.set(id, undefined);
+                        return newCache;
+                    });
+                }
+            });
+        }
+
+        return null;
+    };
+}
+