immich/mobile/lib/utils/selection_handlers.dart

import 'package:easy_localization/easy_localization.dart';
import 'package:flutter/material.dart';
import 'package:fluttertoast/fluttertoast.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:immich_mobile/constants/enums.dart';
import 'package:immich_mobile/entities/asset.entity.dart';
import 'package:immich_mobile/extensions/asset_extensions.dart';
import 'package:immich_mobile/extensions/build_context_extensions.dart';
import 'package:immich_mobile/extensions/translate_extensions.dart';
import 'package:immich_mobile/providers/asset.provider.dart';
import 'package:immich_mobile/services/asset.service.dart';
import 'package:immich_mobile/services/share.service.dart';
import 'package:immich_mobile/widgets/common/date_time_picker.dart';
import 'package:immich_mobile/widgets/common/immich_toast.dart';
import 'package:immich_mobile/widgets/common/location_picker.dart';
import 'package:immich_mobile/widgets/common/share_dialog.dart';
import 'package:maplibre_gl/maplibre_gl.dart';

void handleShareAssets(WidgetRef ref, BuildContext context, Iterable<Asset> selection) {
  showDialog(
    context: context,
    builder: (BuildContext buildContext) {
      ref.watch(shareServiceProvider).shareAssets(selection.toList(), context).then((bool status) {
        if (!status) {
          ImmichToast.show(
            context: context,
            msg: 'image_viewer_page_state_provider_share_error'.tr(),
            toastType: ToastType.error,
            gravity: ToastGravity.BOTTOM,
          );
        }
        buildContext.pop();
      });
      return const ShareDialog();
    },
    barrierDismissible: false,
    useRootNavigator: false,
  );
}

Future<void> handleArchiveAssets(
  WidgetRef ref,
  BuildContext context,
  List<Asset> selection, {
  bool? shouldArchive,
  ToastGravity toastGravity = ToastGravity.BOTTOM,
}) async {
  if (selection.isNotEmpty) {
    shouldArchive ??= !selection.every((a) => a.isArchived);
    await ref.read(assetProvider.notifier).toggleArchive(selection, shouldArchive);
    final message = shouldArchive
        ? 'moved_to_archive'.t(context: context, args: {'count': selection.length})
        : 'moved_to_library'.t(context: context, args: {'count': selection.length});
    if (context.mounted) {
      ImmichToast.show(context: context, msg: message, gravity: toastGravity);
    }
  }
}

Future<void> handleFavoriteAssets(
  WidgetRef ref,
  BuildContext context,
  List<Asset> selection, {
  bool? shouldFavorite,
  ToastGravity toastGravity = ToastGravity.BOTTOM,
}) async {
  if (selection.isNotEmpty) {
    shouldFavorite ??= !selection.every((a) => a.isFavorite);
    await ref.watch(assetProvider.notifier).toggleFavorite(selection, shouldFavorite);

    final assetOrAssets = selection.length > 1 ? 'assets' : 'asset';
    final toastMessage = shouldFavorite
        ? 'Added ${selection.length} $assetOrAssets to favorites'
        : 'Removed ${selection.length} $assetOrAssets from favorites';
    if (context.mounted) {
      ImmichToast.show(context: context, msg: toastMessage, gravity: toastGravity);
    }
  }
}

Future<void> handleEditDateTime(WidgetRef ref, BuildContext context, List<Asset> selection) async {
  DateTime? initialDate;
  String? timeZone;
  Duration? offset;
  if (selection.length == 1) {
    final asset = selection.first;
    final assetWithExif = await ref.watch(assetServiceProvider).loadExif(asset);
    final (dt, oft) = assetWithExif.getTZAdjustedTimeAndOffset();
    initialDate = dt;
    offset = oft;
    timeZone = assetWithExif.exifInfo?.timeZone;
  }
  final dateTime = await showDateTimePicker(
    context: context,
    initialDateTime: initialDate,
    initialTZ: timeZone,
    initialTZOffset: offset,
  );

  if (dateTime == null) {
    return;
  }

  await ref.read(assetServiceProvider).changeDateTime(selection.toList(), dateTime);
}

Future<void> handleEditLocation(WidgetRef ref, BuildContext context, List<Asset> selection) async {
  LatLng? initialLatLng;
  if (selection.length == 1) {
    final asset = selection.first;
    final assetWithExif = await ref.watch(assetServiceProvider).loadExif(asset);
    if (assetWithExif.exifInfo?.latitude != null && assetWithExif.exifInfo?.longitude != null) {
      initialLatLng = LatLng(assetWithExif.exifInfo!.latitude!, assetWithExif.exifInfo!.longitude!);
    }
  }

  final location = await showLocationPicker(context: context, initialLatLng: initialLatLng);

  if (location == null) {
    return;
  }

  await ref.read(assetServiceProvider).changeLocation(selection.toList(), location);
}

Future<void> handleSetAssetsVisibility(
  WidgetRef ref,
  BuildContext context,
  AssetVisibilityEnum visibility,
  List<Asset> selection,
) async {
  if (selection.isNotEmpty) {
    await ref.watch(assetProvider.notifier).setLockedView(selection, visibility);

    final assetOrAssets = selection.length > 1 ? 'assets' : 'asset';
    final toastMessage = visibility == AssetVisibilityEnum.locked
        ? 'Added ${selection.length} $assetOrAssets to locked folder'
        : 'Removed ${selection.length} $assetOrAssets from locked folder';
    if (context.mounted) {
      ImmichToast.show(context: context, msg: toastMessage, gravity: ToastGravity.BOTTOM);
    }
  }
}