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lib/providers/settings/photo_view_settings_provider.dart

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+import 'dart:convert';
+
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+
+import 'package:fladder/providers/shared_provider.dart';
+
+class PhotoViewSettingsModel {
+  final bool repeat;
+  final bool mute;
+  final bool autoPlay;
+  final bool theaterMode;
+  final Duration timer;
+  PhotoViewSettingsModel({
+    this.repeat = true,
+    this.mute = false,
+    this.autoPlay = false,
+    this.theaterMode = false,
+    this.timer = const Duration(seconds: 15),
+  });
+
+  PhotoViewSettingsModel copyWith({
+    bool? repeat,
+    bool? mute,
+    bool? autoPlay,
+    bool? theaterMode,
+    Duration? timer,
+  }) {
+    return PhotoViewSettingsModel(
+      repeat: repeat ?? this.repeat,
+      mute: mute ?? this.mute,
+      autoPlay: autoPlay ?? this.autoPlay,
+      theaterMode: theaterMode ?? this.theaterMode,
+      timer: timer ?? this.timer,
+    );
+  }
+
+  Map<String, dynamic> toMap() {
+    return {
+      'repeat': repeat,
+      'mute': mute,
+      'autoPlay': autoPlay,
+      'theaterMode': theaterMode,
+      'timer': timer.inMilliseconds,
+    };
+  }
+
+  factory PhotoViewSettingsModel.fromMap(Map<String, dynamic> map) {
+    return PhotoViewSettingsModel(
+      repeat: map['repeat'] ?? false,
+      mute: map['mute'] ?? false,
+      autoPlay: map['autoPlay'] ?? false,
+      theaterMode: map['theaterMode'] ?? false,
+      timer: map['timer'] != null ? Duration(milliseconds: map['timer'] as int) : const Duration(seconds: 15),
+    );
+  }
+
+  String toJson() => json.encode(toMap());
+
+  factory PhotoViewSettingsModel.fromJson(String source) => PhotoViewSettingsModel.fromMap(json.decode(source));
+}
+
+final photoViewSettingsProvider = StateNotifierProvider<PhotoViewSettingsNotifier, PhotoViewSettingsModel>((ref) {
+  return PhotoViewSettingsNotifier(ref);
+});
+
+final testProviderProvider = StateProvider<int>((ref) {
+  return 0;
+});
+
+class PhotoViewSettingsNotifier extends StateNotifier<PhotoViewSettingsModel> {
+  PhotoViewSettingsNotifier(this.ref) : super(PhotoViewSettingsModel());
+
+  final Ref ref;
+
+  @override
+  set state(PhotoViewSettingsModel value) {
+    super.state = value;
+    ref.read(sharedUtilityProvider).photoViewSettings = value;
+  }
+
+  PhotoViewSettingsModel update(PhotoViewSettingsModel Function(PhotoViewSettingsModel state) cb) => state = cb(state);
+}