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immich/mobile/lib/modules/onboarding/providers/gallery_permission.provider.dart

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import 'dart:io';
import 'package:device_info_plus/device_info_plus.dart';
import 'package:hooks_riverpod/hooks_riverpod.dart';
import 'package:permission_handler/permission_handler.dart';
class GalleryPermissionNotifier extends StateNotifier<PermissionStatus> {
GalleryPermissionNotifier()
: super(PermissionStatus.denied) // Denied is the intitial state
{
// Sets the initial state
getGalleryPermissionStatus();
}
get hasPermission => state.isGranted || state.isLimited;
/// Requests the gallery permission
Future<PermissionStatus> requestGalleryPermission() async {
// Android 32 and below uses Permission.storage
if (Platform.isAndroid) {
final androidInfo = await DeviceInfoPlugin().androidInfo;
if (androidInfo.version.sdkInt <= 32) {
// Android 32 and below need storage
final permission = await Permission.storage.request();
state = permission;
return permission;
} else {
// Android 33 need photo & video
final photos = await Permission.photos.request();
if (!photos.isGranted) {
// Don't ask twice for the same permission
return photos;
}
final videos = await Permission.videos.request();
// Return the joint result of those two permissions
final PermissionStatus status;
if (photos.isGranted && videos.isGranted) {
status = PermissionStatus.granted;
} else if (photos.isDenied || videos.isDenied) {
status = PermissionStatus.denied;
} else if (photos.isPermanentlyDenied || videos.isPermanentlyDenied) {
status = PermissionStatus.permanentlyDenied;
} else {
status = PermissionStatus.denied;
}
state = status;
return status;
}
} else {
// iOS can use photos
final photos = await Permission.photos.request();
state = photos;
return photos;
}
}
/// Checks the current state of the gallery permissions without
/// requesting them again
Future<PermissionStatus> getGalleryPermissionStatus() async {
// Android 32 and below uses Permission.storage
if (Platform.isAndroid) {
final androidInfo = await DeviceInfoPlugin().androidInfo;
if (androidInfo.version.sdkInt <= 32) {
// Android 32 and below need storage
final permission = await Permission.storage.status;
state = permission;
return permission;
} else {
// Android 33 needs photo & video
final photos = await Permission.photos.status;
final videos = await Permission.videos.status;
// Return the joint result of those two permissions
final PermissionStatus status;
if (photos.isGranted && videos.isGranted) {
status = PermissionStatus.granted;
} else if (photos.isDenied || videos.isDenied) {
status = PermissionStatus.denied;
} else if (photos.isPermanentlyDenied || videos.isPermanentlyDenied) {
status = PermissionStatus.permanentlyDenied;
} else {
status = PermissionStatus.denied;
}
state = status;
return status;
}
} else {
// iOS can use photos
final photos = await Permission.photos.status;
state = photos;
return photos;
}
}
}
final galleryPermissionNotifier
= StateNotifierProvider<GalleryPermissionNotifier, PermissionStatus>
((ref) => GalleryPermissionNotifier());