refactor(nextcloud): Rework version checks

packages/neon/neon/lib/src/blocs/apps.dart

@@ -44,7 +44,7 @@ abstract interface class AppsBlocStates {
   BehaviorSubject<void> get openNotifications;
 
   /// A collection of unsupported apps and their minimum required version.
-  BehaviorSubject<Map<String, String?>> get appVersions;
+  BehaviorSubject<Map<String, VersionCheck>> get appVersionChecks;
 }
 
 /// The Bloc responsible for managing the [AppImplementation]s.
@@ -131,12 +131,12 @@ class AppsBloc extends InteractiveBloc implements AppsBlocEvents, AppsBlocStates
       return;
     }
 
-    final notSupported = <String, String?>{};
+    final notSupported = <String, VersionCheck>{};
 
     try {
-      final coreCheck = _account.client.core.isSupported(capabilities.requireData);
+      final coreCheck = _account.client.core.getVersionCheck(capabilities.requireData);
       if (!coreCheck.isSupported) {
-        notSupported['core'] = coreCheck.minimumVersion.toString();
+        notSupported['core'] = coreCheck;
       }
     } catch (e, s) {
       debugPrint(e.toString());
@@ -145,14 +145,14 @@ class AppsBloc extends InteractiveBloc implements AppsBlocEvents, AppsBlocStates
 
     for (final app in apps.requireData) {
       try {
-        final check = await app.isSupported(_account, capabilities.requireData);
+        final check = await app.getVersionCheck(_account, capabilities.requireData);
 
         if (check == null) {
           continue;
         }
 
         if (!check.isSupported) {
-          notSupported[app.id] = check.minimumVersion;
+          notSupported[app.id] = check;
         }
       } catch (e, s) {
         debugPrint(e.toString());
@@ -161,7 +161,7 @@ class AppsBloc extends InteractiveBloc implements AppsBlocEvents, AppsBlocStates
     }
 
     if (notSupported.isNotEmpty) {
-      appVersions.add(notSupported);
+      appVersionChecks.add(notSupported);
     }
   }
 
@@ -190,7 +190,7 @@ class AppsBloc extends InteractiveBloc implements AppsBlocEvents, AppsBlocStates
     unawaited(notificationsAppImplementation.close());
     unawaited(activeApp.close());
     unawaited(openNotifications.close());
-    unawaited(appVersions.close());
+    unawaited(appVersionChecks.close());
 
     super.dispose();
   }
@@ -209,7 +209,7 @@ class AppsBloc extends InteractiveBloc implements AppsBlocEvents, AppsBlocStates
   BehaviorSubject<void> openNotifications = BehaviorSubject();
 
   @override
-  BehaviorSubject<Map<String, String?>> appVersions = BehaviorSubject();
+  BehaviorSubject<Map<String, VersionCheck>> appVersionChecks = BehaviorSubject();
 
   @override
   Future<void> refresh() async {

packages/neon/neon/lib/src/models/app_implementation.dart

@@ -15,7 +15,7 @@ import 'package:neon/src/settings/models/storage.dart';
 import 'package:neon/src/utils/provider.dart';
 import 'package:neon/src/widgets/drawer_destination.dart';
 import 'package:nextcloud/core.dart' as core;
-import 'package:nextcloud/nextcloud.dart' show VersionSupported;
+import 'package:nextcloud/nextcloud.dart' show VersionCheck;
 import 'package:provider/provider.dart';
 import 'package:rxdart/rxdart.dart';
 import 'package:vector_graphics/vector_graphics.dart';
@@ -61,7 +61,7 @@ abstract class AppImplementation<T extends Bloc, R extends NextcloudAppOptions>
   /// A value of `null` means that it can not be known if the app is supported.
   /// This is the case for apps that depend on the server version like files and we assume that the app is supported.
   /// The server support is handled differently.
-  FutureOr<VersionSupported<String>?> isSupported(
+  FutureOr<VersionCheck?> getVersionCheck(
     final Account account,
     final core.OcsGetCapabilitiesResponseApplicationJson_Ocs_Data capabilities,
   ) =>

packages/neon/neon/lib/src/pages/home.dart

@@ -16,6 +16,7 @@ import 'package:neon/src/widgets/drawer.dart';
 import 'package:neon/src/widgets/error.dart';
 import 'package:neon/src/widgets/unified_search_results.dart';
 import 'package:nextcloud/core.dart' as core;
+import 'package:nextcloud/nextcloud.dart';
 import 'package:provider/provider.dart';
 
 /// The home page of Neon.
@@ -35,7 +36,7 @@ class _HomePageState extends State<HomePage> {
   late global_options.GlobalOptions _globalOptions;
   late AccountsBloc _accountsBloc;
   late AppsBloc _appsBloc;
-  late StreamSubscription<Map<String, String?>> _versionCheckSubscription;
+  late StreamSubscription<Map<String, VersionCheck>> _versionCheckSubscription;
 
   @override
   void initState() {
@@ -45,23 +46,19 @@ class _HomePageState extends State<HomePage> {
     _account = _accountsBloc.activeAccount.value!;
     _appsBloc = _accountsBloc.activeAppsBloc;
 
-    _versionCheckSubscription = _appsBloc.appVersions.listen((final values) {
+    _versionCheckSubscription = _appsBloc.appVersionChecks.listen((final values) {
       if (!mounted) {
         return;
       }
 
       final l10n = NeonLocalizations.of(context);
-
       final buffer = StringBuffer()..writeln();
 
-      for (final error in values.entries) {
-        final appId = error.key;
-        final minVersion = error.value;
-        final appName = l10n.appImplementationName(appId);
+      for (final entry in values.entries) {
+        final versionCheck = entry.value;
+        final appName = l10n.appImplementationName(entry.key);
 
-        if (appName.isNotEmpty && minVersion != null) {
-          buffer.writeln('- $appName $minVersion');
-        }
+        buffer.writeln('- $appName >=${versionCheck.minimumVersion} <${versionCheck.maximumMajor + 1}.0.0');
       }
 
       final message = l10n.errorUnsupportedAppVersions(buffer.toString());

packages/neon/neon/lib/src/pages/login_check_server_status.dart

@@ -60,7 +60,8 @@ class _LoginCheckServerStatusPageState extends State<LoginCheckServerStatusPage>
                 child: ResultBuilder.behaviorSubject(
                   subject: bloc.state,
                   builder: (final context, final state) {
-                    final success = state.hasData && state.requireData.isSupported && !state.requireData.maintenance;
+                    final success =
+                        state.hasData && state.requireData.versionCheck.isSupported && !state.requireData.maintenance;
 
                     return Column(
                       mainAxisAlignment: MainAxisAlignment.center,
@@ -121,7 +122,7 @@ class _LoginCheckServerStatusPageState extends State<LoginCheckServerStatusPage>
       );
     }
 
-    if (result.requireData.isSupported) {
+    if (result.requireData.versionCheck.isSupported) {
       return NeonValidationTile(
         title: NeonLocalizations.of(context).loginSupportedServerVersion(result.requireData.versionstring),
         state: ValidationState.success,

packages/neon/neon/pubspec.yaml

@@ -56,6 +56,7 @@ dependencies:
   universal_io: ^2.0.0
   url_launcher: ^6.1.0
   vector_graphics: ^1.0.0
+  version: ^3.0.0
   window_manager: ^0.3.0
   xml: ^6.0.0
 

packages/neon/neon_news/lib/neon_news.dart

@@ -109,9 +109,9 @@ class NewsApp extends AppImplementation<NewsBloc, NewsAppSpecificOptions> {
   BehaviorSubject<int> getUnreadCounter(final NewsBloc bloc) => bloc.unreadCounter;
 
   @override
-  Future<VersionSupported<String>> isSupported(
+  Future<VersionCheck> getVersionCheck(
     final Account account,
     final core.OcsGetCapabilitiesResponseApplicationJson_Ocs_Data capabilities,
   ) =>
-      account.client.news.isSupported();
+      account.client.news.getVersionCheck();
 }

packages/neon/neon_notes/lib/neon_notes.dart

@@ -95,11 +95,9 @@ class NotesApp extends AppImplementation<NotesBloc, NotesAppSpecificOptions> {
   final RouteBase route = $notesAppRoute;
 
   @override
-  VersionSupported<String> isSupported(
+  VersionCheck getVersionCheck(
     final Account account,
     final core.OcsGetCapabilitiesResponseApplicationJson_Ocs_Data capabilities,
-  ) {
-    final result = account.client.notes.isSupported(capabilities);
-    return (isSupported: result.isSupported, minimumVersion: result.minimumVersion.toString());
-  }
+  ) =>
+      account.client.notes.getVersionCheck(capabilities);
 }

packages/nextcloud/lib/src/helpers/common.dart

@@ -1,2 +1,42 @@
-/// The result of a version check.
-typedef VersionSupported<T> = ({bool isSupported, T minimumVersion});
+import 'package:meta/meta.dart';
+import 'package:version/version.dart';
+
+/// Holds the [versions], [minimumVersion] and [maximumMajor] of an app.
+@immutable
+class VersionCheck {
+  /// Creates a new [VersionCheck].
+  ///
+  /// If the [maximumMajor] is `null` the compatibility of the major of the [minimumVersion] is checked.
+  VersionCheck({
+    required this.versions,
+    required this.minimumVersion,
+    required final int? maximumMajor,
+  }) : maximumMajor = maximumMajor ?? minimumVersion.major;
+
+  /// Current version of the app.
+  final List<Version>? versions;
+
+  /// Minimum version of the app.
+  final Version minimumVersion;
+
+  /// Maximum major version of the app.
+  late final int maximumMajor;
+
+  /// Whether the [versions] is allowed by the [minimumVersion] and [maximumMajor].
+  ///
+  /// If [versions] is `null` or empty it is assumed that the app is supported.
+  /// Only one of the [versions] has to be supported to return `true`.
+  bool get isSupported {
+    if (versions == null || versions!.isEmpty) {
+      return true;
+    }
+
+    for (final version in versions!) {
+      if (version >= minimumVersion && version.major <= maximumMajor) {
+        return true;
+      }
+    }
+
+    return false;
+  }
+}

packages/nextcloud/lib/src/helpers/core.dart

@@ -2,26 +2,36 @@
 
 import 'package:nextcloud/src/api/core.openapi.dart' as core;
 import 'package:nextcloud/src/helpers/common.dart';
+import 'package:version/version.dart';
 
-/// Version of core/Server supported
-const supportedVersion = 27;
+/// Minimum version of core/Server supported
+final minVersion = Version(27, 0, 0);
 
-extension CoreVersionSupported on core.Client {
+extension CoreVersionCheck on core.Client {
   /// Check if the core/Server version is supported by this client
   ///
-  /// Also returns the supported version number
-  VersionSupported<int> isSupported(
-    final core.OcsGetCapabilitiesResponseApplicationJson_Ocs_Data capabilities,
-  ) =>
-      (
-        isSupported: capabilities.version.major == supportedVersion,
-        minimumVersion: supportedVersion,
-      );
+  /// Also returns the minimum supported version
+  VersionCheck getVersionCheck(final core.OcsGetCapabilitiesResponseApplicationJson_Ocs_Data capabilities) {
+    final version = Version(
+      capabilities.version.major,
+      capabilities.version.minor,
+      capabilities.version.micro,
+    );
+    return VersionCheck(
+      versions: [version],
+      minimumVersion: minVersion,
+      maximumMajor: null,
+    );
+  }
 }
 
-extension CoreStatusVersionSupported on core.Status {
+extension CoreStatusVersionCheck on core.Status {
   /// Check if the core/Server version is supported
-  bool get isSupported => version.startsWith('$supportedVersion.');
+  VersionCheck get versionCheck => VersionCheck(
+        versions: [Version.parse(version)],
+        minimumVersion: minVersion,
+        maximumMajor: null,
+      );
 }
 
 enum ShareType {

packages/nextcloud/lib/src/helpers/news.dart

@@ -2,19 +2,22 @@
 
 import 'package:nextcloud/src/api/news.openapi.dart' as news;
 import 'package:nextcloud/src/helpers/common.dart';
+import 'package:version/version.dart';
 
-/// API version of the news app supported
-const supportedVersion = 'v1-3';
+/// Minimum API version of the news app supported
+final minVersion = Version(1, 3, 0);
 
-extension NewsVersionSupported on news.Client {
+extension NewsVersionCheck on news.Client {
   /// Check if the news app version is supported by this client
   ///
   /// Also returns the supported API version number
-  Future<VersionSupported<String>> isSupported() async {
+  Future<VersionCheck> getVersionCheck() async {
     final response = await getSupportedApiVersions();
-    return (
-      isSupported: response.body.apiLevels!.contains(supportedVersion),
-      minimumVersion: supportedVersion,
+    final versions = response.body.apiLevels;
+    return VersionCheck(
+      versions: versions?.map((final version) => Version.parse(version.substring(1).replaceAll('-', '.'))).toList(),
+      minimumVersion: minVersion,
+      maximumMajor: null,
     );
   }
 }

packages/nextcloud/lib/src/helpers/notes.dart

@@ -1,25 +1,22 @@
-import 'package:collection/collection.dart';
 import 'package:nextcloud/src/api/core.openapi.dart' as core;
 import 'package:nextcloud/src/api/notes.openapi.dart' as notes;
 import 'package:nextcloud/src/helpers/common.dart';
 import 'package:version/version.dart';
 
-/// API version of the notes app supported
-const supportedVersion = 1;
+/// Minimum API version of the notes app supported
+final minVersion = Version(1, 3, 0);
 
 // ignore: public_member_api_docs
-extension NotesVersionSupported on notes.Client {
+extension NotesVersionCheck on notes.Client {
   /// Check if the notes app version is supported by this client
   ///
   /// Also returns the supported API version number
-  VersionSupported<int> isSupported(
-    final core.OcsGetCapabilitiesResponseApplicationJson_Ocs_Data capabilities,
-  ) =>
-      (
-        isSupported: capabilities.capabilities.notesCapabilities?.notes.apiVersion
-                ?.map(Version.parse)
-                .firstWhereOrNull((final version) => version.major == supportedVersion) !=
-            null,
-        minimumVersion: supportedVersion,
-      );
+  VersionCheck getVersionCheck(final core.OcsGetCapabilitiesResponseApplicationJson_Ocs_Data capabilities) {
+    final versions = capabilities.capabilities.notesCapabilities?.notes.apiVersion;
+    return VersionCheck(
+      versions: versions?.map(Version.parse).toList(),
+      minimumVersion: minVersion,
+      maximumMajor: null,
+    );
+  }
 }

packages/nextcloud/lib/src/helpers/spreed.dart

@@ -3,19 +3,20 @@ import 'package:nextcloud/src/api/core.openapi.dart' as core;
 import 'package:nextcloud/src/api/spreed.openapi.dart' as spreed;
 import 'package:version/version.dart';
 
-/// The version of the spreed app that is supported.
-const supportedVersion = 17;
+/// The minimum version of the spreed app that is supported.
+final minVersion = Version(17, 0, 0);
 
 /// Extension for checking whether spreed is supported.
-extension SpreedVersionSupported on spreed.Client {
+extension SpreedVersionCheck on spreed.Client {
   /// Checks whether the spreed app installed on the server is supported by this client.
   ///
   /// Also returns the supported version number.
-  VersionSupported<int> isSupported(final core.OcsGetCapabilitiesResponseApplicationJson_Ocs_Data capabilities) {
+  VersionCheck getVersionCheck(final core.OcsGetCapabilitiesResponseApplicationJson_Ocs_Data capabilities) {
     final version = capabilities.capabilities.spreedPublicCapabilities?.spreedPublicCapabilities0?.spreed.version;
-    return (
-      isSupported: version != null && Version.parse(version).major == supportedVersion,
-      minimumVersion: supportedVersion,
+    return VersionCheck(
+      versions: version != null ? [Version.parse(version)] : null,
+      minimumVersion: minVersion,
+      maximumMajor: null,
     );
   }
 }