6e22d9c3aa
- Flutter/Dart (iOS + Android), Riverpod, go_router, i18n via ARB (deutsch) - Feature-Struktur: today, plants, locations, household (V2-Platzhalter), settings - Intervall-Modell: Aufgaben werden aus lastWatered/lastFertilized + Intervall berechnet - In-Memory-Demo-Daten, Firebase-Anbindung folgt im nächsten Block - Doku: Architektur, Firebase-Einrichtung, Forgejo-Git-Hosting Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
61 lines
2.1 KiB
Dart
61 lines
2.1 KiB
Dart
import 'package:flutter_riverpod/flutter_riverpod.dart';
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import '../../plants/data/plants_provider.dart';
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import '../../plants/domain/plant.dart';
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import '../domain/due_task.dart';
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DateTime _dateOnly(DateTime dt) => DateTime(dt.year, dt.month, dt.day);
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DateTime? _nextDue(DateTime? lastDone, int intervalDays, DateTime today) {
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// Noch nie erledigt → sofort fällig.
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if (lastDone == null) return today;
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return _dateOnly(lastDone).add(Duration(days: intervalDays));
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}
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Iterable<DueTask> _tasksForPlant(Plant plant, DateTime today) sync* {
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final watering = _nextDue(plant.lastWatered, plant.wateringIntervalDays, today);
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if (watering != null && !watering.isAfter(today)) {
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yield DueTask(plant: plant, type: CareTaskType.watering, dueDate: watering);
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}
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final fertilizing =
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_nextDue(plant.lastFertilized, plant.fertilizingIntervalDays, today);
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if (fertilizing != null && !fertilizing.isAfter(today)) {
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yield DueTask(
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plant: plant, type: CareTaskType.fertilizing, dueDate: fertilizing);
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}
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}
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/// Alle heute fälligen und überfälligen Aufgaben, Überfälliges zuerst.
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final dueTasksProvider = Provider<List<DueTask>>((ref) {
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final plants = ref.watch(plantsProvider);
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final today = _dateOnly(DateTime.now());
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final tasks = [
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for (final plant in plants) ..._tasksForPlant(plant, today),
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];
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tasks.sort((a, b) {
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final byDate = a.dueDate.compareTo(b.dueDate);
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if (byDate != 0) return byDate;
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return a.plant.nickname.compareTo(b.plant.nickname);
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});
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return tasks;
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});
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/// Das nächste zukünftige Fälligkeitsdatum – für den "Alles versorgt"-Screen
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/// ("Nächste Aufgabe: Freitag").
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final nextDueDateProvider = Provider<DateTime?>((ref) {
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final plants = ref.watch(plantsProvider);
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final today = _dateOnly(DateTime.now());
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DateTime? next;
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for (final plant in plants) {
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for (final candidate in [
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_nextDue(plant.lastWatered, plant.wateringIntervalDays, today),
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_nextDue(plant.lastFertilized, plant.fertilizingIntervalDays, today),
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]) {
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if (candidate == null || !candidate.isAfter(today)) continue;
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if (next == null || candidate.isBefore(next)) next = candidate;
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}
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}
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return next;
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});
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