stefwill
59597c7a4f
- Bootstrap ProviderScope in main.dart and move App to app.dart with light/dark theming - Add initial LogMoodScreen with mood entry flow and shared activity/mood widgets - Add kIsWeb guard in app_database.dart for drift web support - Enable Android core library desugaring required by flutter_local_notifications 21.x - Guard all async notifier state assignments with ref.mounted checks to prevent use-after-dispose errors when providers are auto-disposed mid-operation
76 lines
2.4 KiB
Dart
76 lines
2.4 KiB
Dart
import 'dart:convert';
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import 'package:crypto/crypto.dart';
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import 'package:drift/drift.dart';
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import 'package:flutter_riverpod/flutter_riverpod.dart';
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import '../database/app_database.dart';
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import 'database_provider.dart';
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// ── Insight type enum ─────────────────────────────────────────────────────────
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enum InsightType { weekly, monthly, query }
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// ── Cached insight lookup ─────────────────────────────────────────────────────
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final cachedInsightProvider =
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FutureProvider.autoDispose.family<LlmInsight?, String>((ref, promptHash) {
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return ref.watch(insightDaoProvider).getCached(promptHash);
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});
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// ── Insight notifier — triggers generation and caches results ─────────────────
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class InsightNotifier extends Notifier<AsyncValue<String?>> {
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@override
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AsyncValue<String?> build() => const AsyncData(null);
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String _hashPrompt(String prompt) =>
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sha256.convert(utf8.encode(prompt)).toString();
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Future<void> generateInsight({
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required String prompt,
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required InsightType type,
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DateTime? rangeStart,
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DateTime? rangeEnd,
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}) async {
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state = const AsyncLoading();
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final hash = _hashPrompt(prompt);
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final dao = ref.read(insightDaoProvider);
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final cached = await dao.getCached(hash);
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if (!ref.mounted) return;
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if (cached != null) {
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state = AsyncData(cached.responseText);
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return;
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}
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// Generation happens in LlmNotifier (see llm_provider.dart)
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state = const AsyncData(null);
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}
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Future<void> saveInsight({
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required String promptHash,
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required String responseText,
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required InsightType type,
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DateTime? rangeStart,
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DateTime? rangeEnd,
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}) async {
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await ref.read(insightDaoProvider).upsertInsight(
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LlmInsightsCompanion.insert(
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type: type.name,
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promptHash: promptHash,
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responseText: responseText,
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rangeStart: Value(rangeStart),
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rangeEnd: Value(rangeEnd),
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),
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);
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if (!ref.mounted) return;
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state = AsyncData(responseText);
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}
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void clear() => state = const AsyncData(null);
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}
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final insightNotifierProvider =
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NotifierProvider.autoDispose<InsightNotifier, AsyncValue<String?>>(
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InsightNotifier.new);
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