Removed unused files, code cleanup

lib/util.dart

@@ -1,183 +1 @@
-import 'dart:async';
-import 'dart:developer';
-import 'dart:io';
-import 'dart:ui';
 
-import 'package:device_info_plus/device_info_plus.dart';
-import 'package:flutter/foundation.dart';
-import 'package:flutter/material.dart';
-import 'package:flutter/services.dart';
-import 'package:intl/intl.dart';
-import 'package:package_info_plus/package_info_plus.dart';
-import 'package:paperless_api/paperless_api.dart';
-import 'package:paperless_mobile/core/translation/error_code_localization_mapper.dart';
-import 'package:paperless_mobile/core/service/github_issue_service.dart';
-import 'package:paperless_mobile/generated/l10n.dart';
-import 'package:permission_handler/permission_handler.dart';
-
-final dateFormat = DateFormat("yyyy-MM-dd");
-final GlobalKey<ScaffoldState> rootScaffoldKey = GlobalKey<ScaffoldState>();
-
-class SnackBarActionConfig {
-  final String label;
-  final VoidCallback onPressed;
-
-  SnackBarActionConfig({
-    required this.label,
-    required this.onPressed,
-  });
-}
-
-void showSnackBar(
-  BuildContext context,
-  String message, {
-  String? details,
-  SnackBarActionConfig? action,
-  Duration duration = const Duration(seconds: 5),
-}) {
-  ScaffoldMessenger.of(context)
-    ..hideCurrentSnackBar()
-    ..showSnackBar(
-      SnackBar(
-        content: (details != null)
-            ? RichText(
-                maxLines: 5,
-                text: TextSpan(
-                  text: message,
-                  style: Theme.of(context).textTheme.bodyMedium?.copyWith(
-                        color: Theme.of(context).colorScheme.onInverseSurface,
-                      ),
-                  children: <TextSpan>[
-                    TextSpan(
-                      text: "\n$details",
-                      style: const TextStyle(
-                        fontStyle: FontStyle.italic,
-                        fontSize: 10,
-                      ),
-                    ),
-                  ],
-                ),
-              )
-            : Text(message),
-        action: action != null
-            ? SnackBarAction(
-                label: action.label,
-                onPressed: action.onPressed,
-                textColor: Theme.of(context).colorScheme.onInverseSurface,
-              )
-            : null,
-        duration: duration,
-      ),
-    );
-}
-
-void showGenericError(
-  BuildContext context,
-  dynamic error, [
-  StackTrace? stackTrace,
-]) {
-  showSnackBar(
-    context,
-    error.toString(),
-    action: SnackBarActionConfig(
-      label: S.of(context).errorReportLabel,
-      onPressed: () => GithubIssueService.createIssueFromError(
-        context,
-        stackTrace: stackTrace,
-      ),
-    ),
-  );
-  log(
-    "An error has occurred.",
-    error: error,
-    stackTrace: stackTrace,
-    time: DateTime.now(),
-  );
-}
-
-void showLocalizedError(
-  BuildContext context,
-  String localizedMessage, [
-  StackTrace? stackTrace,
-]) {
-  showSnackBar(context, localizedMessage);
-  log(localizedMessage, stackTrace: stackTrace);
-}
-
-void showErrorMessage(
-  BuildContext context,
-  PaperlessServerException error, [
-  StackTrace? stackTrace,
-]) {
-  showSnackBar(
-    context,
-    translateError(context, error.code),
-    details: error.details,
-  );
-  log(
-    "An error has occurred.",
-    error: error,
-    stackTrace: stackTrace,
-    time: DateTime.now(),
-  );
-}
-
-bool isNotNull(dynamic value) {
-  return value != null;
-}
-
-String formatDate(DateTime date) {
-  return dateFormat.format(date);
-}
-
-String? formatDateNullable(DateTime? date) {
-  if (date == null) return null;
-  return dateFormat.format(date);
-}
-
-String extractFilenameFromPath(String path) {
-  return path.split(RegExp('[./]')).reversed.skip(1).first;
-}
-
-// Taken from https://github.com/flutter/flutter/issues/26127#issuecomment-782083060
-Future<void> loadImage(ImageProvider provider) {
-  final config = ImageConfiguration(
-    bundle: rootBundle,
-    devicePixelRatio: window.devicePixelRatio,
-    platform: defaultTargetPlatform,
-  );
-  final Completer<void> completer = Completer();
-  final ImageStream stream = provider.resolve(config);
-
-  late final ImageStreamListener listener;
-
-  listener = ImageStreamListener((ImageInfo image, bool sync) {
-    debugPrint("Image ${image.debugLabel} finished loading");
-    completer.complete();
-    stream.removeListener(listener);
-  }, onError: (dynamic exception, StackTrace? stackTrace) {
-    completer.complete();
-    stream.removeListener(listener);
-    FlutterError.reportError(FlutterErrorDetails(
-      context: ErrorDescription('image failed to load'),
-      library: 'image resource service',
-      exception: exception,
-      stack: stackTrace,
-      silent: true,
-    ));
-  });
-
-  stream.addListener(listener);
-  return completer.future;
-}
-
-Future<bool> askForPermission(Permission permission) async {
-  final status = await permission.request();
-  log("Permission requested, new status is $status");
-  // If user has permanently declined permission, open settings.
-  if (status == PermissionStatus.permanentlyDenied) {
-    await openAppSettings();
-  }
-
-  return status == PermissionStatus.granted;
-}