immich/mobile/lib/presentation/actions/restore.action.dart

import 'package:flutter/material.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:immich_mobile/constants/enums.dart';
import 'package:immich_mobile/generated/translations.g.dart';
import 'package:immich_mobile/presentation/actions/action.dart';
import 'package:immich_mobile/providers/infrastructure/asset.provider.dart';
import 'package:immich_mobile/providers/infrastructure/toast.provider.dart';
import 'package:immich_mobile/utils/error_handler.dart';

final _stateProvider = Provider.family.autoDispose<List<String>?, ActionSource>((ref, source) {
  final assets = ref.watch(ownedAssetsActionProvider(source));
  final assetIds = assets.trashed().map((asset) => asset.id).toList(growable: false);
  return assetIds.isEmpty ? null : assetIds;
}, dependencies: [ownedAssetsActionProvider]);

class RestoreAction extends AssetActionBuilder {
  const RestoreAction({required super.source});

  @override
  ActionItem? create(BuildContext context, WidgetRef ref) {
    if (!ref.watch(_stateProvider(source).select((state) => state != null))) {
      return null;
    }

    return .new(icon: Icons.history_rounded, label: context.t.restore, onAction: () => _restore(context, ref));
  }

  Future<void> _restore(BuildContext context, WidgetRef ref) async {
    final assetIds = ref.read(_stateProvider(source));
    if (assetIds == null) {
      return;
    }

    final message = context.t.assets_restored_count(count: assetIds.length);
    final assetService = ref.read(assetServiceProvider);
    final toastService = ref.read(toastServiceProvider);
    final clearSelection = ref.read(clearSelectionProvider(source));

    try {
      await assetService.restoreTrash(assetIds);
      toastService.success(message, toast: .new(onUndo: () => assetService.trash(assetIds)));
      clearSelection();
    } catch (error, stack) {
      handleError(error, stack: stack, description: "Failed to restore assets");
    }
  }
}