multiple payout page and small fixes

frontend/pweb/lib/widgets/error/snackbar.dart

@@ -1,172 +0,0 @@
-import 'dart:async';
-
-import 'package:flutter/material.dart';
-
-import 'package:pweb/utils/error_handler.dart';
-import 'package:pweb/utils/snackbar.dart';
-import 'package:pweb/widgets/error/content.dart';
-
-import 'package:pweb/generated/i18n/app_localizations.dart';
-
-
-Future<void> notifyUserOfErrorX({
-  required BuildContext context,
-  required String errorSituation,
-  required Object exception,
-  required AppLocalizations appLocalizations,
-  int delaySeconds = 3,
-}) async {
-  if (!context.mounted) return;
-  final localizedError = ErrorHandler.handleErrorLocs(appLocalizations, exception);
-  final technicalDetails = exception.toString();
-  final scaffoldMessenger = ScaffoldMessenger.maybeOf(context);
-
-  if (scaffoldMessenger != null) {
-    final snackBar = _buildMainErrorSnackBar(
-      errorSituation: errorSituation,
-      localizedError: localizedError,
-      technicalDetails: technicalDetails,
-      loc: appLocalizations,
-      scaffoldMessenger: scaffoldMessenger,
-      delaySeconds: delaySeconds,
-    );
-    scaffoldMessenger.showSnackBar(snackBar);
-    return;
-  }
-
-  await _showErrorDialog(
-    context,
-    title: errorSituation,
-    message: localizedError,
-  );
-}
-
-Future<void> notifyUserOfError({
-  required BuildContext context,
-  required String errorSituation,
-  required Object exception,
-  int delaySeconds = 3,
-}) =>
-    notifyUserOfErrorX(
-      context: context,
-      errorSituation: errorSituation,
-      exception: exception,
-      appLocalizations: AppLocalizations.of(context)!,
-      delaySeconds: delaySeconds,
-    );
-
-Future<T?> executeActionWithNotification<T>({
-  required BuildContext context,
-  required Future<T> Function() action,
-  required String errorMessage,
-  String? successMessage,
-  int delaySeconds = 3,
-}) async {
-  final localizations = AppLocalizations.of(context)!;
-
-  try {
-    final res = await action();
-    if (successMessage != null) {
-      await notifyUser(context, successMessage, delaySeconds: delaySeconds);
-    }
-    return res;
-  } catch (e) {
-    await notifyUserOfErrorX(
-      context: context,
-      errorSituation: errorMessage,
-      exception: e,
-      appLocalizations: localizations,
-      delaySeconds: delaySeconds,
-    );
-  }
-  return null;
-}
-
-Future<void> postNotifyUserOfError({
-  required BuildContext context,
-  required String errorSituation,
-  required Object exception,
-  required AppLocalizations appLocalizations,
-  int delaySeconds = 3,
-}) {
-  final completer = Completer<void>();
-
-  WidgetsBinding.instance.addPostFrameCallback((_) async {
-    if (!context.mounted) {
-      completer.complete();
-      return;
-    }
-    await notifyUserOfErrorX(
-      context: context,
-      errorSituation: errorSituation,
-      exception: exception,
-      appLocalizations: appLocalizations,
-      delaySeconds: delaySeconds,
-    );
-    completer.complete();
-  });
-
-  return completer.future;
-}
-
-Future<void> postNotifyUserOfErrorX({
-  required BuildContext context,
-  required String errorSituation,
-  required Object exception,
-  int delaySeconds = 3,
-}) =>
-    postNotifyUserOfError(
-      context: context,
-      errorSituation: errorSituation,
-      exception: exception,
-      appLocalizations: AppLocalizations.of(context)!,
-      delaySeconds: delaySeconds,
-    );
-
-
-SnackBar _buildMainErrorSnackBar({
-  required String errorSituation,
-  required String localizedError,
-  required String technicalDetails,
-  required AppLocalizations loc,
-  required ScaffoldMessengerState scaffoldMessenger,
-  int delaySeconds = 3,
-}) =>
-    SnackBar(
-      duration: Duration(seconds: delaySeconds),
-      content: ErrorSnackBarContent(
-        situation: errorSituation,
-        localizedError: localizedError,
-      ),
-      action: SnackBarAction(
-        label: loc.showDetailsAction,
-        onPressed: () => scaffoldMessenger.showSnackBar(
-          SnackBar(
-            content: Text(technicalDetails),
-            duration: const Duration(seconds: 6),
-          ),
-        ),
-      ),
-    );
-
-Future<void> _showErrorDialog(
-  BuildContext context, {
-  required String title,
-  required String message,
-}) async {
-  if (!context.mounted) return;
-  final loc = AppLocalizations.of(context)!;
-  await showDialog<void>(
-    context: context,
-    builder: (dialogContext) => AlertDialog(
-      title: Text(title),
-      content: Text(message),
-      actions: [
-        TextButton(
-          onPressed: () => Navigator.of(dialogContext).pop(),
-          child: Text(loc.ok),
-        ),
-      ],
-    ),
-  );
-}