first commit

apps/frontend/components/id/public-settings-provider.tsx

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+'use client';
+
+import { createContext, useCallback, useContext, useEffect, useMemo, useState } from 'react';
+import { apiFetch } from '@/lib/api';
+
+interface PublicSettingsContextValue {
+  projectName: string;
+  projectTagline: string;
+  ldapEnabled: boolean;
+  ldapUseLdaps: boolean;
+  isLoading: boolean;
+  refreshPublicSettings: () => Promise<void>;
+}
+
+const PublicSettingsContext = createContext<PublicSettingsContextValue>({
+  projectName: 'MVK ID',
+  projectTagline: 'Единый аккаунт для сервисов Lendry',
+  ldapEnabled: false,
+  ldapUseLdaps: false,
+  isLoading: true,
+  refreshPublicSettings: async () => undefined
+});
+
+export function PublicSettingsProvider({ children }: { children: React.ReactNode }) {
+  const [settings, setSettings] = useState<Record<string, string>>({});
+  const [isLoading, setIsLoading] = useState(true);
+
+  const refreshPublicSettings = useCallback(async () => {
+    try {
+      const response = await apiFetch<{ settings: Array<{ key: string; value: string }> }>('/settings/public');
+      const map = Object.fromEntries((response.settings ?? []).map((item) => [item.key, item.value]));
+      setSettings(map);
+    } catch {
+      // Оставляем последние известные значения.
+    } finally {
+      setIsLoading(false);
+    }
+  }, []);
+
+  useEffect(() => {
+    void refreshPublicSettings();
+    const onFocus = () => void refreshPublicSettings();
+    window.addEventListener('focus', onFocus);
+    return () => window.removeEventListener('focus', onFocus);
+  }, [refreshPublicSettings]);
+
+  const value = useMemo(
+    () => ({
+      projectName: settings.PROJECT_NAME || 'MVK ID',
+      projectTagline: settings.PROJECT_TAGLINE || 'Единый аккаунт для сервисов Lendry',
+      ldapEnabled: ['true', '1', 'yes'].includes((settings.LDAP_ENABLED ?? '').trim().toLowerCase()),
+      ldapUseLdaps: ['true', '1', 'yes'].includes((settings.LDAP_USE_LDAPS ?? '').trim().toLowerCase()),
+      isLoading,
+      refreshPublicSettings
+    }),
+    [isLoading, refreshPublicSettings, settings.LDAP_ENABLED, settings.LDAP_USE_LDAPS, settings.PROJECT_NAME, settings.PROJECT_TAGLINE]
+  );
+
+  return <PublicSettingsContext.Provider value={value}>{children}</PublicSettingsContext.Provider>;
+}
+
+export function usePublicSettings() {
+  return useContext(PublicSettingsContext);
+}