feat(neon): add SingleValueStorage

Signed-off-by: Nikolas Rimikis <rimikis.nikolas@gmail.com>

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

@@ -58,6 +58,8 @@ class AccountsBloc extends Bloc implements AccountsBlocEvents, AccountsBlocState
     this._globalOptions,
     this._allAppImplementations,
   ) {
+    const lastUsedStorage = SingleValueStorage('last-used-account');
+
     accounts
       ..add(loadAccounts(_storage))
       ..listen((final as) async {
@@ -66,16 +68,16 @@ class AccountsBloc extends Bloc implements AccountsBlocEvents, AccountsBlocState
       });
     activeAccount.listen((final aa) async {
       if (aa != null) {
-        await _storage.setString(_keyLastUsedAccount, aa.id);
+        await lastUsedStorage.setString(aa.id);
       } else {
-        await _storage.remove(_keyLastUsedAccount);
+        await lastUsedStorage.remove();
       }
     });
 
     final as = accounts.value;
 
-    if (_globalOptions.rememberLastUsedAccount.value && _storage.containsKey(_keyLastUsedAccount)) {
+    if (_globalOptions.rememberLastUsedAccount.value && lastUsedStorage.hasValue()) {
-      final lastUsedAccountID = _storage.getString(_keyLastUsedAccount);
+      final lastUsedAccountID = lastUsedStorage.getString();
       if (lastUsedAccountID != null) {
         final aa = as.tryFind(lastUsedAccountID);
         if (aa != null) {
@@ -97,7 +99,6 @@ class AccountsBloc extends Bloc implements AccountsBlocEvents, AccountsBlocState
   late final AppStorage _storage = const AppStorage('accounts');
   final GlobalOptions _globalOptions;
   final Iterable<AppImplementation> _allAppImplementations;
-  final _keyLastUsedAccount = 'last-used-account';
 
   final _accountsOptions = <String, AccountSpecificOptions>{};
   final _appsBlocs = <String, AppsBloc>{};

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

@@ -16,16 +16,15 @@ abstract class FirstLaunchBlocStates {
 class FirstLaunchBloc extends Bloc implements FirstLaunchBlocEvents, FirstLaunchBlocStates {
   FirstLaunchBloc({
     final bool disabled = false,
-  }) : _storage = const AppStorage(_keyFirstLaunch) {
+  }) {
-    if (!disabled && !_storage.containsKey(_keyFirstLaunch)) {
+    const storage = SingleValueStorage('first-launch');
+
+    if (!disabled && !storage.hasValue()) {
       onFirstLaunch.add(null);
-      unawaited(_storage.setBool(_keyFirstLaunch, false));
+      unawaited(storage.setBool(false));
     }
   }
 
-  final AppStorage _storage;
-  static const _keyFirstLaunch = 'first-launch';
-
   @override
   void dispose() {
     unawaited(onFirstLaunch.close());

packages/neon/neon/lib/src/settings/models/storage.dart

@@ -46,6 +46,31 @@ final class NeonStorage {
   }
 }
 
+@immutable
+@internal
+final class SingleValueStorage {
+  const SingleValueStorage(this._id);
+
+  final String _id;
+
+  bool hasValue() => NeonStorage.database.containsKey(_id);
+
+  Future<bool> remove() => NeonStorage.database.remove(_id);
+
+  String? getString() => NeonStorage.database.getString(_id);
+
+  Future setString(final String value) => NeonStorage.database.setString(_id, value);
+
+  bool? getBool() => NeonStorage.database.getBool(_id);
+
+  // ignore: avoid_positional_boolean_parameters
+  Future setBool(final bool value) => NeonStorage.database.setBool(_id, value);
+
+  List<String>? getStringList() => NeonStorage.database.getStringList(_id);
+
+  Future setStringList(final List<String> value) => NeonStorage.database.setStringList(_id, value);
+}
+
 @immutable
 @internal
 class AppStorage implements SettingsStorage {