refactor(statistics): update statistics provider to use functional provider pattern

lib/modules/manga/detail/providers/update_manga_detail_providers.g.dart

@@ -64,7 +64,7 @@ final class UpdateMangaDetailProvider
   }
 }
 
-String _$updateMangaDetailHash() => r'd056f9ff4213f437039edb67786c96dfda99dae0';
+String _$updateMangaDetailHash() => r'37da5f23f30126d15cedfaf42087f9ce11c3fc26';
 
 final class UpdateMangaDetailFamily extends $Family
     with

lib/modules/more/data_and_storage/providers/storage_usage.g.dart

@@ -43,7 +43,7 @@ final class TotalChapterCacheSizeStateProvider
 }
 
 String _$totalChapterCacheSizeStateHash() =>
-    r'bb403516c1d94652146d0a38101b51ffe8ea72f8';
+    r'6e92eec01cc21fbea3996d220c0b2edaadec3786';
 
 abstract class _$TotalChapterCacheSizeState extends $Notifier<String> {
   String build();

lib/modules/more/statistics/statistics_provider.dart

@@ -23,51 +23,51 @@ class StatisticsData {
 }
 
 @riverpod
-class StatisticsState extends _$StatisticsState {
-  @override
-  Future<StatisticsData> build(ItemType itemType) async {
-    final items = await isar.mangas
-        .filter()
-        .idIsNotNull()
-        .favoriteEqualTo(true)
-        .itemTypeEqualTo(itemType)
-        .findAll();
+Future<StatisticsData> getStatistics(
+  Ref ref, {
+  required ItemType itemType,
+}) async {
+  final items = await isar.mangas
+      .filter()
+      .idIsNotNull()
+      .favoriteEqualTo(true)
+      .itemTypeEqualTo(itemType)
+      .findAll();
 
-    final chapters = await isar.chapters
-        .filter()
-        .idIsNotNull()
-        .manga((q) => q.favoriteEqualTo(true).itemTypeEqualTo(itemType))
-        .findAll();
+  final chapters = await isar.chapters
+      .filter()
+      .idIsNotNull()
+      .manga((q) => q.favoriteEqualTo(true).itemTypeEqualTo(itemType))
+      .findAll();
 
-    final downloadedCount = await isar.downloads
-        .filter()
-        .idIsNotNull()
-        .chapter((q) => q.manga((m) => m.itemTypeEqualTo(itemType)))
-        .chapter((q) => q.manga((m) => m.favoriteEqualTo(true)))
-        .isDownloadEqualTo(true)
-        .count();
+  final downloadedCount = await isar.downloads
+      .filter()
+      .idIsNotNull()
+      .chapter((q) => q.manga((m) => m.itemTypeEqualTo(itemType)))
+      .chapter((q) => q.manga((m) => m.favoriteEqualTo(true)))
+      .isDownloadEqualTo(true)
+      .count();
 
-    final totalItems = items.length;
-    final totalChapters = chapters.length;
-    final readChapters = chapters.where((c) => c.isRead ?? false).length;
+  final totalItems = items.length;
+  final totalChapters = chapters.length;
+  final readChapters = chapters.where((c) => c.isRead ?? false).length;
 
-    int completedItems = 0;
-    for (var item in items) {
-      if (item.status == Status.completed) {
-        final itemChapters = item.chapters.toList();
-        if (itemChapters.isNotEmpty &&
-            itemChapters.every((element) => element.isRead ?? false)) {
-          completedItems++;
-        }
+  int completedItems = 0;
+  for (var item in items) {
+    if (item.status == Status.completed) {
+      final itemChapters = item.chapters.toList();
+      if (itemChapters.isNotEmpty &&
+          itemChapters.every((element) => element.isRead ?? false)) {
+        completedItems++;
       }
     }
-
-    return StatisticsData(
-      totalItems: totalItems,
-      totalChapters: totalChapters,
-      readChapters: readChapters,
-      completedItems: completedItems,
-      downloadedItems: downloadedCount,
-    );
   }
+
+  return StatisticsData(
+    totalItems: totalItems,
+    totalChapters: totalChapters,
+    readChapters: readChapters,
+    completedItems: completedItems,
+    downloadedItems: downloadedCount,
+  );
 }

lib/modules/more/statistics/statistics_provider.g.dart

@@ -9,47 +9,53 @@ part of 'statistics_provider.dart';
 // GENERATED CODE - DO NOT MODIFY BY HAND
 // ignore_for_file: type=lint, type=warning
 
-@ProviderFor(StatisticsState)
-const statisticsStateProvider = StatisticsStateFamily._();
+@ProviderFor(getStatistics)
+const getStatisticsProvider = GetStatisticsFamily._();
 
-final class StatisticsStateProvider
-    extends $NotifierProvider<StatisticsState, void> {
-  const StatisticsStateProvider._({
-    required StatisticsStateFamily super.from,
+final class GetStatisticsProvider
+    extends
+        $FunctionalProvider<
+          AsyncValue<StatisticsData>,
+          StatisticsData,
+          FutureOr<StatisticsData>
+        >
+    with $FutureModifier<StatisticsData>, $FutureProvider<StatisticsData> {
+  const GetStatisticsProvider._({
+    required GetStatisticsFamily super.from,
     required ItemType super.argument,
   }) : super(
          retry: null,
-         name: r'statisticsStateProvider',
+         name: r'getStatisticsProvider',
          isAutoDispose: true,
          dependencies: null,
          $allTransitiveDependencies: null,
        );
 
   @override
-  String debugGetCreateSourceHash() => _$statisticsStateHash();
+  String debugGetCreateSourceHash() => _$getStatisticsHash();
 
   @override
   String toString() {
-    return r'statisticsStateProvider'
+    return r'getStatisticsProvider'
         ''
         '($argument)';
   }
 
   @$internal
   @override
-  StatisticsState create() => StatisticsState();
+  $FutureProviderElement<StatisticsData> $createElement(
+    $ProviderPointer pointer,
+  ) => $FutureProviderElement(pointer);
 
-  /// {@macro riverpod.override_with_value}
-  Override overrideWithValue(void value) {
-    return $ProviderOverride(
-      origin: this,
-      providerOverride: $SyncValueProvider<void>(value),
-    );
+  @override
+  FutureOr<StatisticsData> create(Ref ref) {
+    final argument = this.argument as ItemType;
+    return getStatistics(ref, itemType: argument);
   }
 
   @override
   bool operator ==(Object other) {
-    return other is StatisticsStateProvider && other.argument == argument;
+    return other is GetStatisticsProvider && other.argument == argument;
   }
 
   @override
@@ -58,44 +64,22 @@ final class StatisticsStateProvider
   }
 }
 
-String _$statisticsStateHash() => r'81e1957e0e39a9863a8e7d0e1dc565c4eb0e6f9a';
+String _$getStatisticsHash() => r'f4a11dfa53b9560da765b1822fadc758a0a23cba';
 
-final class StatisticsStateFamily extends $Family
-    with $ClassFamilyOverride<StatisticsState, void, void, void, ItemType> {
-  const StatisticsStateFamily._()
+final class GetStatisticsFamily extends $Family
+    with $FunctionalFamilyOverride<FutureOr<StatisticsData>, ItemType> {
+  const GetStatisticsFamily._()
     : super(
         retry: null,
-        name: r'statisticsStateProvider',
+        name: r'getStatisticsProvider',
         dependencies: null,
         $allTransitiveDependencies: null,
         isAutoDispose: true,
       );
 
-  StatisticsStateProvider call(ItemType itemType) =>
-      StatisticsStateProvider._(argument: itemType, from: this);
+  GetStatisticsProvider call({required ItemType itemType}) =>
+      GetStatisticsProvider._(argument: itemType, from: this);
 
   @override
-  String toString() => r'statisticsStateProvider';
-}
-
-abstract class _$StatisticsState extends $Notifier<void> {
-  late final _$args = ref.$arg as ItemType;
-  ItemType get itemType => _$args;
-
-  void build(ItemType itemType);
-  @$mustCallSuper
-  @override
-  void runBuild() {
-    build(_$args);
-    final ref = this.ref as $Ref<void, void>;
-    final element =
-        ref.element
-            as $ClassProviderElement<
-              AnyNotifier<void, void>,
-              void,
-              Object?,
-              Object?
-            >;
-    element.handleValue(ref, null);
-  }
+  String toString() => r'getStatisticsProvider';
 }

lib/modules/more/statistics/statistics_screen.dart

@@ -75,8 +75,7 @@ class _StatisticsScreenState extends ConsumerState<StatisticsScreen>
 
   Widget _buildStatisticsTab({required ItemType itemType}) {
     final l10n = context.l10n;
-    // final stats = ref.watch(statisticsStateProvider(itemType).notifier);
-    final stats = ref.watch(statisticsStateProvider(itemType));
+    final stats = ref.watch(getStatisticsProvider(itemType: itemType));
 
     final title = switch (itemType) {
       ItemType.manga => l10n.manga,