Files
App/lib/pods/notification.dart

99 lines
2.4 KiB
Dart

import 'dart:async';
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;
final bool dismissed;
NotificationItem({
String? id,
required this.notification,
DateTime? createdAt,
required this.index,
Duration? duration,
this.dismissed = false,
}) : id = id ?? const Uuid().v4(),
createdAt = createdAt ?? DateTime.now(),
duration =
duration ?? kNotificationBaseDuration + Duration(seconds: index);
NotificationItem copyWith({
String? id,
SnNotification? notification,
DateTime? createdAt,
int? index,
Duration? duration,
bool? dismissed,
}) {
return NotificationItem(
id: id ?? this.id,
notification: notification ?? this.notification,
createdAt: createdAt ?? this.createdAt,
index: index ?? this.index,
duration: duration ?? this.duration,
dismissed: dismissed ?? this.dismissed,
);
}
@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 {
final Map<String, Timer> _timers = {};
@override
List<NotificationItem> build() {
return [];
}
void add(SnNotification notification, {Duration? duration}) {
final newItem = NotificationItem(
notification: notification,
index: state.length,
duration: duration,
);
state = [...state, newItem];
_timers[newItem.id] = Timer(newItem.duration, () => dismiss(newItem.id));
}
void dismiss(String id) {
_timers[id]?.cancel();
_timers.remove(id);
final index = state.indexWhere((item) => item.id == id);
if (index != -1) {
state = List.from(state)..[index] = state[index].copyWith(dismissed: true);
}
}
void remove(String id) {
state = state.where((item) => item.id != id).toList();
}
void clear() {
for (final timer in _timers.values) {
timer.cancel();
}
_timers.clear();
state = [];
}
}