♻️ Improved new notifcation style

lib/pods/notification.dart

@@ -0,0 +1,61 @@
+import 'package:island/models/account.dart';
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+import 'package:uuid/uuid.dart';
+
+part 'notification.g.dart';
+
+const kNotificationBaseDuration = Duration(seconds: 5);
+const kNotificationStackedDuration = Duration(seconds: 1);
+
+class NotificationItem {
+  final String id;
+  final SnNotification notification;
+  final DateTime createdAt;
+  final int index;
+  final Duration duration;
+
+  NotificationItem({
+    String? id,
+    required this.notification,
+    DateTime? createdAt,
+    required this.index,
+    Duration? duration,
+  }) : id = id ?? const Uuid().v4(),
+       createdAt = createdAt ?? DateTime.now(),
+       duration =
+           duration ?? kNotificationBaseDuration + Duration(seconds: index);
+
+  @override
+  bool operator ==(Object other) {
+    if (identical(this, other)) return true;
+    return other is NotificationItem && other.id == id;
+  }
+
+  @override
+  int get hashCode => id.hashCode;
+}
+
+@riverpod
+class NotificationState extends _$NotificationState {
+  @override
+  List<NotificationItem> build() {
+    return [];
+  }
+
+  void add(SnNotification notification, {Duration? duration}) {
+    final newItem = NotificationItem(
+      notification: notification,
+      index: state.length,
+      duration: duration,
+    );
+    state = [...state, newItem];
+  }
+
+  void remove(String id) {
+    state = state.where((item) => item.id != id).toList();
+  }
+
+  void clear() {
+    state = [];
+  }
+}

lib/pods/notification.g.dart

@@ -0,0 +1,63 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'notification.dart';
+
+// **************************************************************************
+// RiverpodGenerator
+// **************************************************************************
+
+// GENERATED CODE - DO NOT MODIFY BY HAND
+// ignore_for_file: type=lint, type=warning
+
+@ProviderFor(NotificationState)
+final notificationStateProvider = NotificationStateProvider._();
+
+final class NotificationStateProvider
+    extends $NotifierProvider<NotificationState, List<NotificationItem>> {
+  NotificationStateProvider._()
+    : super(
+        from: null,
+        argument: null,
+        retry: null,
+        name: r'notificationStateProvider',
+        isAutoDispose: true,
+        dependencies: null,
+        $allTransitiveDependencies: null,
+      );
+
+  @override
+  String debugGetCreateSourceHash() => _$notificationStateHash();
+
+  @$internal
+  @override
+  NotificationState create() => NotificationState();
+
+  /// {@macro riverpod.override_with_value}
+  Override overrideWithValue(List<NotificationItem> value) {
+    return $ProviderOverride(
+      origin: this,
+      providerOverride: $SyncValueProvider<List<NotificationItem>>(value),
+    );
+  }
+}
+
+String _$notificationStateHash() => r'8625e77d28d71237d86f6d06efab437aa7c09df1';
+
+abstract class _$NotificationState extends $Notifier<List<NotificationItem>> {
+  List<NotificationItem> build();
+  @$mustCallSuper
+  @override
+  void runBuild() {
+    final ref =
+        this.ref as $Ref<List<NotificationItem>, List<NotificationItem>>;
+    final element =
+        ref.element
+            as $ClassProviderElement<
+              AnyNotifier<List<NotificationItem>, List<NotificationItem>>,
+              List<NotificationItem>,
+              Object?,
+              Object?
+            >;
+    element.handleCreate(ref, build);
+  }
+}