topics intermediate

2024-08-21 13:36:58 +02:00
parent e75052aa99
commit 7fedbe260c
35 changed files with 2511 additions and 198 deletions
@@ -0,0 +1,65 @@
+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;
+}