mirror of
https://github.com/vleeuwenmenno/supplements.git
synced 2025-09-11 18:29:12 +02:00
388
lib/screens/add_supplement_screen.dart
Normal file
388
lib/screens/add_supplement_screen.dart
Normal file
@@ -0,0 +1,388 @@
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import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import 'package:flutter_datetime_picker_plus/flutter_datetime_picker_plus.dart';
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import '../models/supplement.dart';
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import '../providers/supplement_provider.dart';
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class AddSupplementScreen extends StatefulWidget {
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final Supplement? supplement;
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const AddSupplementScreen({super.key, this.supplement});
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@override
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State<AddSupplementScreen> createState() => _AddSupplementScreenState();
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}
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class _AddSupplementScreenState extends State<AddSupplementScreen> {
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final _formKey = GlobalKey<FormState>();
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final _nameController = TextEditingController();
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final _dosageAmountController = TextEditingController();
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final _numberOfUnitsController = TextEditingController();
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final _notesController = TextEditingController();
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String _selectedUnit = 'mg';
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String _selectedUnitType = 'capsules';
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int _frequencyPerDay = 1;
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List<String> _reminderTimes = ['08:00'];
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final List<String> _units = ['mg', 'g', 'μg', 'IU', 'ml'];
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final List<String> _unitTypes = ['capsules', 'tablets', 'softgels', 'drops', 'ml', 'scoops', 'gummies'];
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@override
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void initState() {
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super.initState();
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if (widget.supplement != null) {
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_initializeWithExistingSupplement();
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} else {
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_numberOfUnitsController.text = '1'; // Default to 1 unit
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}
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}
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void _initializeWithExistingSupplement() {
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final supplement = widget.supplement!;
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_nameController.text = supplement.name;
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_dosageAmountController.text = supplement.dosageAmount.toString();
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_numberOfUnitsController.text = supplement.numberOfUnits.toString();
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_notesController.text = supplement.notes ?? '';
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_selectedUnit = supplement.unit;
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_selectedUnitType = supplement.unitType;
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_frequencyPerDay = supplement.frequencyPerDay;
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_reminderTimes = List.from(supplement.reminderTimes);
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}
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@override
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Widget build(BuildContext context) {
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final isEditing = widget.supplement != null;
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return Scaffold(
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appBar: AppBar(
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title: Text(isEditing ? 'Edit Supplement' : 'Add Supplement'),
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backgroundColor: Theme.of(context).colorScheme.inversePrimary,
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),
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body: Form(
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key: _formKey,
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child: SingleChildScrollView(
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padding: const EdgeInsets.all(16),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// Name field
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TextFormField(
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controller: _nameController,
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decoration: const InputDecoration(
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labelText: 'Supplement Name *',
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border: OutlineInputBorder(),
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hintText: 'e.g., Vitamin D3',
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),
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validator: (value) {
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if (value == null || value.trim().isEmpty) {
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return 'Please enter a supplement name';
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}
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return null;
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},
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),
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const SizedBox(height: 16),
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// Dosage amount per unit
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Row(
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children: [
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Expanded(
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flex: 2,
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child: TextFormField(
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controller: _dosageAmountController,
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keyboardType: TextInputType.number,
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decoration: const InputDecoration(
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labelText: 'Amount per unit *',
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border: OutlineInputBorder(),
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hintText: '187',
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),
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validator: (value) {
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if (value == null || value.trim().isEmpty) {
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return 'Please enter amount per unit';
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}
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if (double.tryParse(value) == null) {
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return 'Please enter a valid number';
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}
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return null;
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},
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),
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),
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const SizedBox(width: 12),
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Expanded(
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flex: 1,
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child: DropdownButtonFormField<String>(
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value: _selectedUnit,
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decoration: const InputDecoration(
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labelText: 'Unit',
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border: OutlineInputBorder(),
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),
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items: _units.map((unit) {
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return DropdownMenuItem(
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value: unit,
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child: Text(unit),
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);
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}).toList(),
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onChanged: (value) {
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setState(() {
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_selectedUnit = value!;
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});
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},
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),
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),
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],
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),
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const SizedBox(height: 16),
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// Number of units to take
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Row(
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children: [
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Expanded(
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flex: 2,
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child: TextFormField(
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controller: _numberOfUnitsController,
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keyboardType: TextInputType.number,
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decoration: const InputDecoration(
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labelText: 'Number to take *',
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border: OutlineInputBorder(),
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hintText: '2',
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),
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validator: (value) {
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if (value == null || value.trim().isEmpty) {
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return 'Please enter number to take';
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}
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if (int.tryParse(value) == null || int.parse(value) < 1) {
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return 'Please enter a valid number (1 or more)';
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}
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return null;
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},
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),
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),
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const SizedBox(width: 12),
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Expanded(
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flex: 1,
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child: DropdownButtonFormField<String>(
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value: _selectedUnitType,
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decoration: const InputDecoration(
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labelText: 'Type',
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border: OutlineInputBorder(),
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),
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items: _unitTypes.map((type) {
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return DropdownMenuItem(
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value: type,
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child: Text(type),
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);
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}).toList(),
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onChanged: (value) {
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setState(() {
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_selectedUnitType = value!;
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});
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},
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),
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),
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],
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),
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const SizedBox(height: 8),
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Text(
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'Total per intake: ${_dosageAmountController.text.isNotEmpty && _numberOfUnitsController.text.isNotEmpty ? (double.tryParse(_dosageAmountController.text) ?? 0) * (int.tryParse(_numberOfUnitsController.text) ?? 0) : 0} $_selectedUnit',
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style: TextStyle(
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fontSize: 12,
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color: Theme.of(context).colorScheme.onSurfaceVariant,
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fontStyle: FontStyle.italic,
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),
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),
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const SizedBox(height: 16),
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// Frequency per day
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Row(
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children: [
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const Text('Frequency per day: '),
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const SizedBox(width: 8),
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DropdownButton<int>(
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value: _frequencyPerDay,
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items: List.generate(6, (index) => index + 1).map((freq) {
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return DropdownMenuItem(
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value: freq,
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child: Text('$freq time${freq > 1 ? 's' : ''}'),
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);
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}).toList(),
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onChanged: (value) {
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setState(() {
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_frequencyPerDay = value!;
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_adjustReminderTimes();
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});
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},
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),
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],
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),
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const SizedBox(height: 16),
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// Reminder times
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const Text(
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'Reminder Times',
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style: TextStyle(fontSize: 16, fontWeight: FontWeight.bold),
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),
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const SizedBox(height: 8),
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..._reminderTimes.asMap().entries.map((entry) {
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final index = entry.key;
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final time = entry.value;
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return Padding(
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padding: const EdgeInsets.only(bottom: 8),
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child: Row(
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children: [
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Expanded(
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child: InkWell(
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onTap: () => _selectTime(index),
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child: Container(
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padding: const EdgeInsets.all(12),
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decoration: BoxDecoration(
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border: Border.all(color: Theme.of(context).colorScheme.outline),
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borderRadius: BorderRadius.circular(4),
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),
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child: Text(time),
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),
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),
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),
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if (_reminderTimes.length > 1)
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IconButton(
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onPressed: () => _removeReminderTime(index),
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icon: const Icon(Icons.remove_circle_outline),
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),
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],
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),
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);
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}),
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if (_reminderTimes.length < _frequencyPerDay)
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TextButton.icon(
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onPressed: _addReminderTime,
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icon: const Icon(Icons.add),
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label: const Text('Add Reminder Time'),
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),
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const SizedBox(height: 16),
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// Notes
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TextFormField(
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controller: _notesController,
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decoration: const InputDecoration(
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labelText: 'Notes (optional)',
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border: OutlineInputBorder(),
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hintText: 'Take with food, before meal, etc.',
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),
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maxLines: 3,
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),
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const SizedBox(height: 24),
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// Save button
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SizedBox(
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width: double.infinity,
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child: ElevatedButton(
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onPressed: _saveSupplement,
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style: ElevatedButton.styleFrom(
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padding: const EdgeInsets.all(16),
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),
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child: Text(isEditing ? 'Update Supplement' : 'Add Supplement'),
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),
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),
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],
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),
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),
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),
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);
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}
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void _adjustReminderTimes() {
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if (_reminderTimes.length > _frequencyPerDay) {
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_reminderTimes = _reminderTimes.take(_frequencyPerDay).toList();
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} else if (_reminderTimes.length < _frequencyPerDay) {
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while (_reminderTimes.length < _frequencyPerDay) {
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_reminderTimes.add('08:00');
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}
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}
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}
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void _selectTime(int index) {
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DatePicker.showTimePicker(
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context,
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showTitleActions: true,
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onConfirm: (time) {
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setState(() {
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_reminderTimes[index] = '${time.hour.toString().padLeft(2, '0')}:${time.minute.toString().padLeft(2, '0')}';
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});
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},
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currentTime: DateTime.now(),
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);
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}
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void _addReminderTime() {
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if (_reminderTimes.length < _frequencyPerDay) {
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setState(() {
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_reminderTimes.add('08:00');
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});
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}
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}
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void _removeReminderTime(int index) {
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if (_reminderTimes.length > 1) {
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setState(() {
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_reminderTimes.removeAt(index);
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});
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}
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}
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void _saveSupplement() async {
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if (_formKey.currentState!.validate()) {
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final supplement = Supplement(
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id: widget.supplement?.id,
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name: _nameController.text.trim(),
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dosageAmount: double.parse(_dosageAmountController.text),
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numberOfUnits: int.parse(_numberOfUnitsController.text),
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unit: _selectedUnit,
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unitType: _selectedUnitType,
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frequencyPerDay: _frequencyPerDay,
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reminderTimes: _reminderTimes,
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notes: _notesController.text.trim().isNotEmpty ? _notesController.text.trim() : null,
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createdAt: widget.supplement?.createdAt ?? DateTime.now(),
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);
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final provider = context.read<SupplementProvider>();
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try {
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if (widget.supplement != null) {
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await provider.updateSupplement(supplement);
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} else {
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await provider.addSupplement(supplement);
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}
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if (mounted) {
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Navigator.of(context).pop();
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text(widget.supplement != null
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? 'Supplement updated successfully!'
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: 'Supplement added successfully!'),
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backgroundColor: Colors.green,
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),
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);
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}
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} catch (e) {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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SnackBar(
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content: Text('Error: ${e.toString()}'),
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backgroundColor: Colors.red,
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),
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);
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}
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}
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}
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}
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@override
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void dispose() {
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_nameController.dispose();
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_dosageAmountController.dispose();
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_numberOfUnitsController.dispose();
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_notesController.dispose();
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super.dispose();
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}
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}
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Reference in New Issue
Block a user