topics intermediate

app/lib/features/topics/domain/providers.dart

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+import 'dart:ui';
+
+import 'package:collection/collection.dart';
+import 'package:lensai/features/topics/data/database/database.dart';
+import 'package:lensai/features/topics/domain/repositories/topic.dart';
+import 'package:lensai/features/topics/utils/color_palette.dart';
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+
+part 'providers.g.dart';
+
+@Riverpod()
+Stream<List<TopicData>> topicList(TopicListRef ref) {
+  final repository = ref.watch(topicRepositoryProvider.notifier);
+  return repository.watchTopics();
+}
+
+@Riverpod(keepAlive: true)
+class SelectedTopic extends _$SelectedTopic {
+  void setTopic(String id) {
+    state = id;
+  }
+
+  void toggleTopic(String id) {
+    if (state == id) {
+      clearTopic();
+    } else {
+      setTopic(id);
+    }
+  }
+
+  void clearTopic() {
+    state = null;
+  }
+
+  @override
+  String? build() {
+    return null;
+  }
+}
+
+@Riverpod()
+Stream<TopicData?> selectedTopicData(SelectedTopicDataRef ref) {
+  final repository = ref.watch(topicRepositoryProvider.notifier);
+  final selectedBangTrigger = ref.watch(selectedTopicProvider);
+  return repository.watchTopic(selectedBangTrigger);
+}
+
+@Riverpod()
+Future<Set<Color>> distinctTopicColors(DistinctTopicColorsRef ref) {
+  final repository = ref.watch(topicRepositoryProvider.notifier);
+  return repository.getDistinctColors();
+}
+
+@Riverpod()
+Future<Color> unusedRandomTopicColor(UnusedRandomTopicColorRef ref) async {
+  final allColors = colorTypes.flattened.toList();
+  final usedColors = await ref.read(distinctTopicColorsProvider.future);
+
+  Color randomColor;
+  do {
+    randomColor = randomColorShade(allColors);
+  } while (usedColors.contains(randomColor));
+
+  return randomColor;
+}

app/lib/features/topics/domain/providers.g.dart

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+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'providers.dart';
+
+// **************************************************************************
+// RiverpodGenerator
+// **************************************************************************
+
+String _$topicListHash() => r'7220aef5653bb3c2b44b016ce4f083f20896b353';
+
+/// See also [topicList].
+@ProviderFor(topicList)
+final topicListProvider = AutoDisposeStreamProvider<List<TopicData>>.internal(
+  topicList,
+  name: r'topicListProvider',
+  debugGetCreateSourceHash:
+      const bool.fromEnvironment('dart.vm.product') ? null : _$topicListHash,
+  dependencies: null,
+  allTransitiveDependencies: null,
+);
+
+typedef TopicListRef = AutoDisposeStreamProviderRef<List<TopicData>>;
+String _$selectedTopicDataHash() => r'191ad088ab90ef2348a836593f92b48d095afdc8';
+
+/// See also [selectedTopicData].
+@ProviderFor(selectedTopicData)
+final selectedTopicDataProvider =
+    AutoDisposeStreamProvider<TopicData?>.internal(
+  selectedTopicData,
+  name: r'selectedTopicDataProvider',
+  debugGetCreateSourceHash: const bool.fromEnvironment('dart.vm.product')
+      ? null
+      : _$selectedTopicDataHash,
+  dependencies: null,
+  allTransitiveDependencies: null,
+);
+
+typedef SelectedTopicDataRef = AutoDisposeStreamProviderRef<TopicData?>;
+String _$distinctTopicColorsHash() =>
+    r'c671f349615313d3b17e93e9e46fae12889e5e1f';
+
+/// See also [distinctTopicColors].
+@ProviderFor(distinctTopicColors)
+final distinctTopicColorsProvider =
+    AutoDisposeFutureProvider<Set<Color>>.internal(
+  distinctTopicColors,
+  name: r'distinctTopicColorsProvider',
+  debugGetCreateSourceHash: const bool.fromEnvironment('dart.vm.product')
+      ? null
+      : _$distinctTopicColorsHash,
+  dependencies: null,
+  allTransitiveDependencies: null,
+);
+
+typedef DistinctTopicColorsRef = AutoDisposeFutureProviderRef<Set<Color>>;
+String _$unusedRandomTopicColorHash() =>
+    r'8f6907bb50a5bf2ac0320e93531d9e61616337b9';
+
+/// See also [unusedRandomTopicColor].
+@ProviderFor(unusedRandomTopicColor)
+final unusedRandomTopicColorProvider =
+    AutoDisposeFutureProvider<Color>.internal(
+  unusedRandomTopicColor,
+  name: r'unusedRandomTopicColorProvider',
+  debugGetCreateSourceHash: const bool.fromEnvironment('dart.vm.product')
+      ? null
+      : _$unusedRandomTopicColorHash,
+  dependencies: null,
+  allTransitiveDependencies: null,
+);
+
+typedef UnusedRandomTopicColorRef = AutoDisposeFutureProviderRef<Color>;
+String _$selectedTopicHash() => r'f4e1c0620971a0b7501ee9aff0d5b41da3130ba0';
+
+/// See also [SelectedTopic].
+@ProviderFor(SelectedTopic)
+final selectedTopicProvider = NotifierProvider<SelectedTopic, String?>.internal(
+  SelectedTopic.new,
+  name: r'selectedTopicProvider',
+  debugGetCreateSourceHash: const bool.fromEnvironment('dart.vm.product')
+      ? null
+      : _$selectedTopicHash,
+  dependencies: null,
+  allTransitiveDependencies: null,
+);
+
+typedef _$SelectedTopic = Notifier<String?>;
+// ignore_for_file: type=lint
+// ignore_for_file: subtype_of_sealed_class, invalid_use_of_internal_member, invalid_use_of_visible_for_testing_member

app/lib/features/topics/domain/repositories/tab.dart

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+import 'package:lensai/features/topics/data/database/database.dart';
+import 'package:lensai/features/topics/data/providers.dart';
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+
+part 'tab.g.dart';
+
+@Riverpod(keepAlive: true)
+class TabRepository extends _$TabRepository {
+  late TabDatabase _db;
+
+  @override
+  void build() {
+    _db = ref.watch(tabDatabaseProvider);
+  }
+}

app/lib/features/topics/domain/repositories/tab.g.dart

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+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'tab.dart';
+
+// **************************************************************************
+// RiverpodGenerator
+// **************************************************************************
+
+String _$tabRepositoryHash() => r'3f564f553e9586df34e927b20fe4bc860e0814e9';
+
+/// See also [TabRepository].
+@ProviderFor(TabRepository)
+final tabRepositoryProvider = NotifierProvider<TabRepository, void>.internal(
+  TabRepository.new,
+  name: r'tabRepositoryProvider',
+  debugGetCreateSourceHash: const bool.fromEnvironment('dart.vm.product')
+      ? null
+      : _$tabRepositoryHash,
+  dependencies: null,
+  allTransitiveDependencies: null,
+);
+
+typedef _$TabRepository = Notifier<void>;
+// ignore_for_file: type=lint
+// ignore_for_file: subtype_of_sealed_class, invalid_use_of_internal_member, invalid_use_of_visible_for_testing_member

app/lib/features/topics/domain/repositories/topic.dart

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+import 'dart:ui';
+
+import 'package:lensai/features/topics/data/database/database.dart';
+import 'package:lensai/features/topics/data/providers.dart';
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+
+part 'topic.g.dart';
+
+@Riverpod(keepAlive: true)
+class TopicRepository extends _$TopicRepository {
+  late TabDatabase _db;
+
+  @override
+  void build() {
+    _db = ref.watch(tabDatabaseProvider);
+  }
+
+  Future<void> addTopic({required String? name, required Color color}) {
+    return _db.topicDao.addTopic(name: name, color: color);
+  }
+
+  Future<void> replaceTopic({
+    required String id,
+    required String? name,
+    required Color color,
+  }) {
+    return _db.topicDao.replaceTopic(id, name: name, color: color);
+  }
+
+  Future<void> deleteTopic(String id) {
+    return _db.topicDao.deleteTopic(id);
+  }
+
+  Stream<List<TopicData>> watchTopics() {
+    return _db.topics().watch();
+  }
+
+  Stream<TopicData?> watchTopic(String? id) {
+    if (id != null) {
+      return _db.topicDao.getTopicData(id).watchSingleOrNull();
+    } else {
+      return Stream.value(null);
+    }
+  }
+
+  Future<Set<Color>> getDistinctColors() {
+    return _db.topicDao
+        .getDistinctColors()
+        .get()
+        .then((colors) => colors.toSet());
+  }
+}

app/lib/features/topics/domain/repositories/topic.g.dart

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+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'topic.dart';
+
+// **************************************************************************
+// RiverpodGenerator
+// **************************************************************************
+
+String _$topicRepositoryHash() => r'f0e8d3170d3706a79decfbe4700f20fcdebfae2c';
+
+/// See also [TopicRepository].
+@ProviderFor(TopicRepository)
+final topicRepositoryProvider =
+    NotifierProvider<TopicRepository, void>.internal(
+  TopicRepository.new,
+  name: r'topicRepositoryProvider',
+  debugGetCreateSourceHash: const bool.fromEnvironment('dart.vm.product')
+      ? null
+      : _$topicRepositoryHash,
+  dependencies: null,
+  allTransitiveDependencies: null,
+);
+
+typedef _$TopicRepository = Notifier<void>;
+// ignore_for_file: type=lint
+// ignore_for_file: subtype_of_sealed_class, invalid_use_of_internal_member, invalid_use_of_visible_for_testing_member