Init repo

lib/models/items/chapters_model.dart

@@ -0,0 +1,90 @@
+import 'dart:convert';
+import 'dart:io';
+import 'dart:typed_data';
+
+import 'package:cached_network_image/cached_network_image.dart';
+import 'package:collection/collection.dart';
+import 'package:fladder/main.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+
+import 'package:fladder/jellyfin/jellyfin_open_api.swagger.dart' as dto;
+import 'package:fladder/providers/image_provider.dart';
+
+class Chapter {
+  final String name;
+  final String imageUrl;
+  final Uint8List? imageData;
+  final Duration startPosition;
+  Chapter({
+    required this.name,
+    required this.imageUrl,
+    this.imageData,
+    required this.startPosition,
+  });
+
+  ImageProvider get imageProvider {
+    if (imageData != null) {
+      return Image.memory(imageData!).image;
+    }
+    if (imageUrl.startsWith("http")) {
+      return CachedNetworkImageProvider(
+        cacheKey: name + imageUrl,
+        cacheManager: CustomCacheManager.instance,
+        imageUrl,
+      );
+    } else {
+      return Image.file(
+        key: Key(name + imageUrl),
+        File(imageUrl),
+      ).image;
+    }
+  }
+
+  static List<Chapter> chaptersFromInfo(String itemId, List<dto.ChapterInfo> chapters, Ref ref) {
+    return chapters
+        .mapIndexed((index, element) => Chapter(
+            name: element.name ?? "",
+            imageUrl: ref.read(imageUtilityProvider).getChapterUrl(itemId, index),
+            startPosition: Duration(milliseconds: (element.startPositionTicks ?? 0) ~/ 10000)))
+        .toList();
+  }
+
+  Chapter copyWith({
+    String? name,
+    String? imageUrl,
+    Duration? startPosition,
+  }) {
+    return Chapter(
+      name: name ?? this.name,
+      imageUrl: imageUrl ?? this.imageUrl,
+      startPosition: startPosition ?? this.startPosition,
+    );
+  }
+
+  Map<String, dynamic> toMap() {
+    return {
+      'name': name,
+      'imageUrl': imageUrl,
+      'startPosition': startPosition.inMilliseconds,
+    };
+  }
+
+  factory Chapter.fromMap(Map<String, dynamic> map) {
+    return Chapter(
+      name: map['name'] ?? '',
+      imageUrl: map['imageUrl'] ?? '',
+      startPosition: Duration(milliseconds: map['startPosition'] as int),
+    );
+  }
+
+  String toJson() => json.encode(toMap());
+
+  factory Chapter.fromJson(String source) => Chapter.fromMap(json.decode(source));
+}
+
+extension ChapterExtension on List<Chapter> {
+  Chapter? getChapterFromDuration(Duration duration) {
+    return lastWhereOrNull((element) => element.startPosition < duration);
+  }
+}