Load profile information on startup

moneymgr_mobile/lib/widgets/load_startup_data.dart

@@ -0,0 +1,62 @@
+import 'package:flutter/material.dart';
+import 'package:hooks_riverpod/hooks_riverpod.dart';
+import 'package:logging/logging.dart';
+import 'package:moneymgr_mobile/providers/auth_state.dart';
+import 'package:moneymgr_mobile/services/api/api_client.dart';
+import 'package:moneymgr_mobile/services/api/auth_api.dart';
+import 'package:moneymgr_mobile/services/api/server_api.dart';
+import 'package:moneymgr_mobile/widgets/full_screen_error.dart';
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+
+part 'load_startup_data.g.dart';
+
+@riverpod
+Future<void> _loadStartupElements(Ref ref) async {
+  final svc = ref.watch(apiServiceProvider);
+  if (svc == null) {
+    throw Exception("API client has not be initialized yet!");
+  }
+
+  Logger.root.info("Start to load startup elements");
+  await svc.serverConfigOrCache();
+  await svc.authInfoOrCache();
+  Logger.root.info("Finish to load startup elements");
+}
+
+class LoadStartupData extends HookConsumerWidget {
+  final Widget child;
+
+  const LoadStartupData({super.key, required this.child});
+
+  @override
+  Widget build(BuildContext context, WidgetRef ref) {
+    final serverConfig = ref.watch(_loadStartupElementsProvider);
+
+    tryAgain() {
+      ref.refresh(_loadStartupElementsProvider);
+    }
+
+    handleSignOut() {
+      ref.watch(currentAuthStateProvider.notifier).logout();
+    }
+
+    return switch (serverConfig) {
+      AsyncData() => child,
+      AsyncError(:final error) => FullScreenError(
+        message: "Failed to load server configuration!",
+        error: error.toString(),
+        actions: [
+          MaterialButton(
+            onPressed: tryAgain,
+            child: Text("Try again".toUpperCase()),
+          ),
+          MaterialButton(
+            onPressed: handleSignOut,
+            child: Text("Sign out".toUpperCase()),
+          ),
+        ],
+      ),
+      _ => const Scaffold(body: Center(child: CircularProgressIndicator())),
+    };
+  }
+}