kickoff library item

lib/api/api_provider.dart

@@ -83,19 +83,20 @@ class PersonalizedView extends _$PersonalizedView {
     final apiSettings = ref.watch(apiSettingsProvider);
     final user = apiSettings.activeUser;
     if (apiSettings.activeLibraryId == null) {
-    // set it to default user library by logging in and getting the library id
-    final login =
-        await api.login(username: user!.username!, password: user.password!);
+      // set it to default user library by logging in and getting the library id
+      final login =
+          await api.login(username: user!.username!, password: user.password!);
       ref.read(apiSettingsProvider.notifier).updateState(
             apiSettings.copyWith(activeLibraryId: login!.userDefaultLibraryId),
           );
-  }
+    }
     // try to find in cache
     // final cacheKey = 'personalizedView:${apiSettings.activeLibraryId}';
     var key = 'personalizedView:${apiSettings.activeLibraryId! + user!.id!}';
-    final cachedRes = await apiResponseCacheManager.getFileFromCache(
-      key,
-    );
+    final cachedRes = await apiResponseCacheManager.getFileFromMemory(
+          key,
+        ) ??
+        await apiResponseCacheManager.getFileFromCache(key);
     if (cachedRes != null) {
       final resJson = jsonDecode(await cachedRes.file.readAsString()) as List;
       final res = [
@@ -107,8 +108,8 @@ class PersonalizedView extends _$PersonalizedView {
     }
 
     // ! exagerated delay
-    await Future.delayed(const Duration(seconds: 2));
-  final res = await api.libraries
+    // await Future.delayed(const Duration(seconds: 2));
+    final res = await api.libraries
         .getPersonalized(libraryId: apiSettings.activeLibraryId!);
     // debugPrint('personalizedView: ${res!.map((e) => e).toSet()}');
     // save to cache

lib/api/api_provider.g.dart

@@ -348,7 +348,7 @@ final fetchContinueListeningProvider =
 
 typedef FetchContinueListeningRef
     = AutoDisposeFutureProviderRef<GetUserSessionsResponse>;
-String _$personalizedViewHash() => r'52a89c46ce668238ca11b5394fd1d14c910947f5';
+String _$personalizedViewHash() => r'2e70fe2bfc766a963f7a8e94211ad50d959fbaa2';
 
 /// fetch the personalized view
 ///

lib/api/image_provider.dart

@@ -24,7 +24,8 @@ class CoverImage extends _$CoverImage {
     // await Future.delayed(const Duration(seconds: 2));
 
     // try to get the image from the cache
-    final file = await imageCacheManager.getFileFromCache(libraryItem.id);
+    final file = await imageCacheManager.getFileFromMemory(libraryItem.id) ??
+        await imageCacheManager.getFileFromCache(libraryItem.id);
 
     if (file != null) {
       // if the image is in the cache, yield it
@@ -34,6 +35,9 @@ class CoverImage extends _$CoverImage {
       yield await file.file.readAsBytes();
       // return if no need to fetch from the server
       if (libraryItem.updatedAt.isBefore(await file.file.lastModified())) {
+        debugPrint(
+          'cover image is up to date for ${libraryItem.id}, no need to fetch from the server',
+        );
         return;
       } else {
         debugPrint(
@@ -45,17 +49,20 @@ class CoverImage extends _$CoverImage {
     // check if the image is in the cache
     final coverImage = await api.items.getCover(
       libraryItemId: libraryItem.id,
-      parameters: const GetImageReqParams(width: 1000),
+      parameters: const GetImageReqParams(width: 1200),
     );
     // save the image to the cache
-    final newFile = await imageCacheManager.putFile(
-      libraryItem.id,
-      coverImage ?? Uint8List(0),
-      key: libraryItem.id,
-    );
-    debugPrint(
-      'cover image fetched for for ${libraryItem.id}, file time: ${await newFile.lastModified()}',
-    );
+    if (coverImage != null) {
+      final newFile = await imageCacheManager.putFile(
+        libraryItem.id,
+        coverImage,
+        key: libraryItem.id,
+      );
+      debugPrint(
+        'cover image fetched for for ${libraryItem.id}, file time: ${await newFile.lastModified()}',
+      );
+    }
+
     yield coverImage ?? Uint8List(0);
   }
 }

lib/api/image_provider.g.dart

@@ -6,7 +6,7 @@ part of 'image_provider.dart';
 // RiverpodGenerator
 // **************************************************************************
 
-String _$coverImageHash() => r'57a164772b0350cd451535ed9d6347ff74671d2e';
+String _$coverImageHash() => r'010200735fbe7567ffdaad68bc5a98a475dfda42';
 
 /// Copied from Dart SDK
 class _SystemHash {

lib/api/library_item_provider.dart

@@ -0,0 +1,49 @@
+import 'dart:convert';
+
+import 'package:flutter/material.dart';
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+import 'package:shelfsdk/audiobookshelf_api.dart' as shelfsdk;
+import 'package:whispering_pages/api/api_provider.dart';
+import 'package:whispering_pages/db/cache/cache_key.dart';
+import 'package:whispering_pages/db/cache_manager.dart';
+
+part 'library_item_provider.g.dart';
+
+/// provides the library item for the given id
+@riverpod
+class LibraryItem extends _$LibraryItem {
+  @override
+  Stream<shelfsdk.LibraryItem> build(String id) async* {
+    final api = ref.watch(authenticatedApiProvider);
+
+    debugPrint('fetching library item: $id');
+
+    // ! this is a mock delay
+    // await Future.delayed(const Duration(seconds: 10));
+
+    // look for the item in the cache
+    final key = CacheKey.libraryItem(id);
+    final cachedFile = await apiResponseCacheManager.getFileFromMemory(key) ??
+        await apiResponseCacheManager.getFileFromCache(key);
+    if (cachedFile != null) {
+      debugPrint('reading from cache for $id from ${cachedFile.file}');
+      // read file as json
+      final cachedItem = shelfsdk.LibraryItem.fromJson(
+        jsonDecode(await cachedFile.file.readAsString()),
+      );
+      yield cachedItem;
+    }
+    final item = await api.items.get(libraryItemId: id);
+    if (item != null) {
+      // save to cache
+      final newFile = await apiResponseCacheManager.putFile(
+        key,
+        utf8.encode(jsonEncode(item)),
+        fileExtension: 'json',
+        key: key,
+      );
+      debugPrint('writing to cache: $newFile');
+      yield item;
+    }
+  }
+}

lib/api/library_item_provider.g.dart

@@ -0,0 +1,187 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'library_item_provider.dart';
+
+// **************************************************************************
+// RiverpodGenerator
+// **************************************************************************
+
+String _$libraryItemHash() => r'c7919065062e066a0d086508ca6c44187b0bc257';
+
+/// Copied from Dart SDK
+class _SystemHash {
+  _SystemHash._();
+
+  static int combine(int hash, int value) {
+    // ignore: parameter_assignments
+    hash = 0x1fffffff & (hash + value);
+    // ignore: parameter_assignments
+    hash = 0x1fffffff & (hash + ((0x0007ffff & hash) << 10));
+    return hash ^ (hash >> 6);
+  }
+
+  static int finish(int hash) {
+    // ignore: parameter_assignments
+    hash = 0x1fffffff & (hash + ((0x03ffffff & hash) << 3));
+    // ignore: parameter_assignments
+    hash = hash ^ (hash >> 11);
+    return 0x1fffffff & (hash + ((0x00003fff & hash) << 15));
+  }
+}
+
+abstract class _$LibraryItem
+    extends BuildlessAutoDisposeStreamNotifier<shelfsdk.LibraryItem> {
+  late final String id;
+
+  Stream<shelfsdk.LibraryItem> build(
+    String id,
+  );
+}
+
+/// provides the library item for the given id
+///
+/// Copied from [LibraryItem].
+@ProviderFor(LibraryItem)
+const libraryItemProvider = LibraryItemFamily();
+
+/// provides the library item for the given id
+///
+/// Copied from [LibraryItem].
+class LibraryItemFamily extends Family<AsyncValue<shelfsdk.LibraryItem>> {
+  /// provides the library item for the given id
+  ///
+  /// Copied from [LibraryItem].
+  const LibraryItemFamily();
+
+  /// provides the library item for the given id
+  ///
+  /// Copied from [LibraryItem].
+  LibraryItemProvider call(
+    String id,
+  ) {
+    return LibraryItemProvider(
+      id,
+    );
+  }
+
+  @override
+  LibraryItemProvider getProviderOverride(
+    covariant LibraryItemProvider provider,
+  ) {
+    return call(
+      provider.id,
+    );
+  }
+
+  static const Iterable<ProviderOrFamily>? _dependencies = null;
+
+  @override
+  Iterable<ProviderOrFamily>? get dependencies => _dependencies;
+
+  static const Iterable<ProviderOrFamily>? _allTransitiveDependencies = null;
+
+  @override
+  Iterable<ProviderOrFamily>? get allTransitiveDependencies =>
+      _allTransitiveDependencies;
+
+  @override
+  String? get name => r'libraryItemProvider';
+}
+
+/// provides the library item for the given id
+///
+/// Copied from [LibraryItem].
+class LibraryItemProvider extends AutoDisposeStreamNotifierProviderImpl<
+    LibraryItem, shelfsdk.LibraryItem> {
+  /// provides the library item for the given id
+  ///
+  /// Copied from [LibraryItem].
+  LibraryItemProvider(
+    String id,
+  ) : this._internal(
+          () => LibraryItem()..id = id,
+          from: libraryItemProvider,
+          name: r'libraryItemProvider',
+          debugGetCreateSourceHash:
+              const bool.fromEnvironment('dart.vm.product')
+                  ? null
+                  : _$libraryItemHash,
+          dependencies: LibraryItemFamily._dependencies,
+          allTransitiveDependencies:
+              LibraryItemFamily._allTransitiveDependencies,
+          id: id,
+        );
+
+  LibraryItemProvider._internal(
+    super._createNotifier, {
+    required super.name,
+    required super.dependencies,
+    required super.allTransitiveDependencies,
+    required super.debugGetCreateSourceHash,
+    required super.from,
+    required this.id,
+  }) : super.internal();
+
+  final String id;
+
+  @override
+  Stream<shelfsdk.LibraryItem> runNotifierBuild(
+    covariant LibraryItem notifier,
+  ) {
+    return notifier.build(
+      id,
+    );
+  }
+
+  @override
+  Override overrideWith(LibraryItem Function() create) {
+    return ProviderOverride(
+      origin: this,
+      override: LibraryItemProvider._internal(
+        () => create()..id = id,
+        from: from,
+        name: null,
+        dependencies: null,
+        allTransitiveDependencies: null,
+        debugGetCreateSourceHash: null,
+        id: id,
+      ),
+    );
+  }
+
+  @override
+  AutoDisposeStreamNotifierProviderElement<LibraryItem, shelfsdk.LibraryItem>
+      createElement() {
+    return _LibraryItemProviderElement(this);
+  }
+
+  @override
+  bool operator ==(Object other) {
+    return other is LibraryItemProvider && other.id == id;
+  }
+
+  @override
+  int get hashCode {
+    var hash = _SystemHash.combine(0, runtimeType.hashCode);
+    hash = _SystemHash.combine(hash, id.hashCode);
+
+    return _SystemHash.finish(hash);
+  }
+}
+
+mixin LibraryItemRef
+    on AutoDisposeStreamNotifierProviderRef<shelfsdk.LibraryItem> {
+  /// The parameter `id` of this provider.
+  String get id;
+}
+
+class _LibraryItemProviderElement
+    extends AutoDisposeStreamNotifierProviderElement<LibraryItem,
+        shelfsdk.LibraryItem> with LibraryItemRef {
+  _LibraryItemProviderElement(super.provider);
+
+  @override
+  String get id => (origin as LibraryItemProvider).id;
+}
+// ignore_for_file: type=lint
+// ignore_for_file: subtype_of_sealed_class, invalid_use_of_internal_member, invalid_use_of_visible_for_testing_member