diameter/lib/screens/meal/meal_detail.dart

446 lines
18 KiB
Dart

import 'package:diameter/components/detail.dart';
import 'package:diameter/components/dialogs.dart';
import 'package:diameter/components/forms.dart';
import 'package:diameter/config.dart';
import 'package:diameter/models/accuracy.dart';
import 'package:diameter/models/meal.dart';
import 'package:diameter/models/meal_category.dart';
import 'package:diameter/models/meal_portion_type.dart';
import 'package:diameter/models/meal_source.dart';
import 'package:diameter/navigation.dart';
import 'package:diameter/settings.dart';
import 'package:diameter/utils/utils.dart';
import 'package:flutter/material.dart';
class MealDetailScreen extends StatefulWidget {
static const String routeName = '/meal';
final Meal? meal;
const MealDetailScreen({Key? key, this.meal}) : super(key: key);
@override
_MealDetailScreenState createState() => _MealDetailScreenState();
}
class _MealDetailScreenState extends State<MealDetailScreen> {
final GlobalKey<FormState> _mealForm = GlobalKey<FormState>();
final _valueController = TextEditingController(text: '');
final _carbsRatioController = TextEditingController(text: '');
final _portionSizeController = TextEditingController(text: '');
final _carbsPerPortionController = TextEditingController(text: '');
final _delayedBolusRateController = TextEditingController(text: '');
final _delayedBolusDurationController = TextEditingController(text: '');
final _notesController = TextEditingController(text: '');
String? _source;
String? _category;
String? _portionType;
String? _portionSizeAccuracy;
String? _carbsRatioAccuracy;
late Future<List<MealCategory>> _mealCategories;
late Future<List<MealPortionType>> _mealPortionTypes;
late Future<List<MealSource>> _mealSources;
late Future<List<Accuracy>> _portionSizeAccuracies;
late Future<List<Accuracy>> _carbsRatioAccuracies;
bool isSaving = false;
@override
void initState() {
super.initState();
if (widget.meal != null) {
_valueController.text = widget.meal!.value;
_carbsRatioController.text = (widget.meal!.carbsRatio ?? '').toString();
_portionSizeController.text = (widget.meal!.portionSize ?? '').toString();
_carbsPerPortionController.text =
(widget.meal!.carbsPerPortion ?? '').toString();
_delayedBolusRateController.text =
(widget.meal!.delayedBolusRate ?? '').toString();
_delayedBolusDurationController.text =
(widget.meal!.delayedBolusDuration ?? '').toString();
_notesController.text = widget.meal!.notes ?? '';
_source = widget.meal!.source;
_category = widget.meal!.category;
_portionType = widget.meal!.portionType;
_portionSizeAccuracy = widget.meal!.portionSizeAccuracy;
_carbsRatioAccuracy = widget.meal!.carbsRatioAccuracy;
}
_mealCategories = MealCategory.fetchAll();
_mealPortionTypes = MealPortionType.fetchAll();
_mealSources = MealSource.fetchAll();
_portionSizeAccuracies = Accuracy.fetchAllForPortionSize();
_carbsRatioAccuracies = Accuracy.fetchAllForCarbsRatio();
}
void handleSaveAction() async {
setState(() {
isSaving = true;
});
if (_mealForm.currentState!.validate()) {
bool isNew = widget.meal == null;
isNew
? await Meal.save(
value: _valueController.text,
source: _source,
category: _category,
portionType: _portionType,
carbsRatio: double.tryParse(_carbsRatioController.text),
portionSize: double.tryParse(_portionSizeController.text),
carbsPerPortion: double.tryParse(_carbsPerPortionController.text),
portionSizeAccuracy: _portionSizeAccuracy,
carbsRatioAccuracy: _carbsRatioAccuracy,
delayedBolusDuration:
int.tryParse(_delayedBolusDurationController.text),
delayedBolusRate:
double.tryParse(_delayedBolusRateController.text),
notes: _notesController.text,
)
: await Meal.update(
widget.meal!.objectId!,
value: _valueController.text,
source: _source,
category: _category,
portionType: _portionType,
carbsRatio: double.tryParse(_carbsRatioController.text),
portionSize: double.tryParse(_portionSizeController.text),
carbsPerPortion: double.tryParse(_carbsPerPortionController.text),
portionSizeAccuracy: _portionSizeAccuracy,
carbsRatioAccuracy: _carbsRatioAccuracy,
delayedBolusDuration:
int.tryParse(_delayedBolusDurationController.text),
delayedBolusRate:
double.tryParse(_delayedBolusRateController.text),
notes: _notesController.text,
);
Navigator.pop(context, '${isNew ? 'New' : ''} Meal Saved');
}
setState(() {
isSaving = false;
});
}
void handleCancelAction() {
bool isNew = widget.meal == null;
if (showConfirmationDialogOnCancel &&
((isNew &&
(_valueController.text != '' ||
_source != null ||
_category != null ||
_portionType != null ||
double.tryParse(_carbsRatioController.text) != null ||
double.tryParse(_portionSizeController.text) != null ||
double.tryParse(_carbsPerPortionController.text) != null ||
_carbsRatioAccuracy != null ||
_portionSizeAccuracy != null ||
int.tryParse(_delayedBolusDurationController.text) !=
null ||
double.tryParse(_delayedBolusRateController.text) != null ||
_notesController.text != '')) ||
(!isNew &&
(_valueController.text != widget.meal!.value ||
_source != widget.meal!.source ||
_category != widget.meal!.category ||
_portionType != widget.meal!.portionType ||
double.tryParse(_carbsRatioController.text) !=
widget.meal!.carbsRatio ||
double.tryParse(_portionSizeController.text) !=
widget.meal!.portionSize ||
double.tryParse(_carbsPerPortionController.text) !=
widget.meal!.carbsPerPortion ||
_carbsRatioAccuracy != widget.meal!.carbsRatioAccuracy ||
_portionSizeAccuracy != widget.meal!.portionSizeAccuracy ||
int.tryParse(_delayedBolusDurationController.text) !=
widget.meal!.delayedBolusDuration ||
double.tryParse(_delayedBolusRateController.text) !=
widget.meal!.delayedBolusRate ||
_notesController.text != (widget.meal!.notes ?? ''))))) {
Dialogs.showCancelConfirmationDialog(
context: context,
isNew: isNew,
onSave: handleSaveAction,
);
} else {
Navigator.pop(context);
}
}
Future<void> onSelectMealSource(String? objectId) async {
if (objectId != null) {
MealSource? mealSource = await MealSource.get(objectId);
if (mealSource != null) {
setState(() {
_source = objectId;
if (mealSource.defaultCarbsRatioAccuracy != null) {
_carbsRatioAccuracy =
mealSource.defaultCarbsRatioAccuracy.toString();
}
if (mealSource.defaultPortionSizeAccuracy != null) {
_portionSizeAccuracy =
mealSource.defaultPortionSizeAccuracy.toString();
}
if (mealSource.defaultMealCategory != null) {
_category = mealSource.defaultMealCategory.toString();
}
if (mealSource.defaultMealPortionType != null) {
_portionType = mealSource.defaultMealPortionType.toString();
}
});
}
}
}
void calculateThirdMeasurementOfPortionCarbsRelation(
{PortionCarbsParameter? parameterToBeCalculated}) {
double? carbsRatio;
double? portionSize;
double? carbsPerPortion;
if (parameterToBeCalculated != PortionCarbsParameter.carbsRatio &&
_carbsRatioController.text != '') {
carbsRatio = double.tryParse(_carbsRatioController.text);
}
if (parameterToBeCalculated != PortionCarbsParameter.portionSize &&
_portionSizeController.text != '') {
portionSize = double.tryParse(_portionSizeController.text);
}
if (parameterToBeCalculated != PortionCarbsParameter.carbsPerPortion &&
_carbsRatioController.text != '') {
carbsPerPortion = double.tryParse(_carbsPerPortionController.text);
}
if (carbsRatio != null && portionSize != null && carbsPerPortion == null) {
setState(() {
_carbsPerPortionController.text =
Utils.calculateCarbsPerPortion(carbsRatio!, portionSize!)
.toString();
});
}
if (carbsRatio == null && portionSize != null && carbsPerPortion != null) {
setState(() {
_carbsRatioController.text =
Utils.calculateCarbsRatio(carbsPerPortion!, portionSize!)
.toString();
});
}
if (carbsRatio != null && portionSize == null && carbsPerPortion != null) {
setState(() {
_portionSizeController.text =
Utils.calculatePortionSize(carbsRatio!, carbsPerPortion!)
.toString();
});
}
}
@override
Widget build(BuildContext context) {
bool isNew = widget.meal == null;
return Scaffold(
appBar: AppBar(
title: Text(isNew ? 'New Meal' : widget.meal!.value),
),
drawer: const Navigation(currentLocation: MealDetailScreen.routeName),
body: SingleChildScrollView(
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: <Widget>[
StyledForm(
formState: _mealForm,
fields: [
TextFormField(
controller: _valueController,
decoration: const InputDecoration(
labelText: 'Name',
),
validator: (value) {
if (value!.trim().isEmpty) {
return 'Empty name';
}
return null;
},
),
StyledFutureDropdownButton<MealSource>(
selectedItem: _source,
label: 'Meal Source',
items: _mealSources,
getItemValue: (item) => item.objectId,
renderItem: (item) => Text(item.value),
onChanged: (value) {
onSelectMealSource(value);
},
),
StyledFutureDropdownButton<MealCategory>(
selectedItem: _category,
label: 'Meal Category',
items: _mealCategories,
getItemValue: (item) => item.objectId,
renderItem: (item) => Text(item.value),
onChanged: (value) {
setState(() {
_category = value;
});
},
),
StyledFutureDropdownButton<MealPortionType>(
selectedItem: _portionType,
label: 'Meal Portion Type',
items: _mealPortionTypes,
getItemValue: (item) => item.objectId,
renderItem: (item) => Text(item.value),
onChanged: (value) {
setState(() {
_portionType = value;
});
},
),
Row(
children: [
Expanded(
child: TextFormField(
decoration: const InputDecoration(
labelText: 'Carbs ratio',
suffixText: '%',
),
controller: _carbsRatioController,
keyboardType: const TextInputType.numberWithOptions(
decimal: true),
onChanged: (_) =>
calculateThirdMeasurementOfPortionCarbsRelation(),
),
),
IconButton(
onPressed: () =>
calculateThirdMeasurementOfPortionCarbsRelation(
parameterToBeCalculated:
PortionCarbsParameter.carbsRatio),
icon: const Icon(Icons.calculate),
),
],
),
Row(
mainAxisSize: MainAxisSize.min,
children: [
Expanded(
child: TextFormField(
decoration: InputDecoration(
labelText: 'Portion size',
suffixText:
nutritionMeasurement == NutritionMeasurement.grams
? 'g'
: nutritionMeasurement ==
NutritionMeasurement.ounces
? 'oz'
: '',
alignLabelWithHint: true,
),
controller: _portionSizeController,
keyboardType: const TextInputType.numberWithOptions(
decimal: true),
onChanged: (_) =>
calculateThirdMeasurementOfPortionCarbsRelation(),
),
),
IconButton(
onPressed: () =>
calculateThirdMeasurementOfPortionCarbsRelation(
parameterToBeCalculated:
PortionCarbsParameter.portionSize),
icon: const Icon(Icons.calculate),
),
],
),
StyledFutureDropdownButton<Accuracy>(
selectedItem: _portionSizeAccuracy,
label: 'Portion Size Accuracy',
items: _portionSizeAccuracies,
getItemValue: (item) => item.objectId,
renderItem: (item) => Text(item.value),
onChanged: (value) {
setState(() {
_portionSizeAccuracy = value;
});
},
),
Row(
children: [
Expanded(
child: TextFormField(
decoration: InputDecoration(
labelText: 'Carbs per portion',
suffixText:
nutritionMeasurement == NutritionMeasurement.grams
? 'g'
: nutritionMeasurement ==
NutritionMeasurement.ounces
? 'oz'
: '',
),
controller: _carbsPerPortionController,
keyboardType: const TextInputType.numberWithOptions(
decimal: true),
onChanged: (_) =>
calculateThirdMeasurementOfPortionCarbsRelation(),
),
),
IconButton(
onPressed: () =>
calculateThirdMeasurementOfPortionCarbsRelation(
parameterToBeCalculated:
PortionCarbsParameter.carbsPerPortion),
icon: const Icon(Icons.calculate),
),
],
),
StyledFutureDropdownButton<Accuracy>(
selectedItem: _carbsRatioAccuracy,
label: 'Carbs Ratio Accuracy',
items: _carbsRatioAccuracies,
getItemValue: (item) => item.objectId,
renderItem: (item) => Text(item.value),
onChanged: (value) {
setState(() {
_carbsRatioAccuracy = value;
});
},
),
// TODO: display according to time format
TextFormField(
decoration: const InputDecoration(
labelText: 'Delayed Bolus Duration',
suffixText: ' min',
),
controller: _delayedBolusDurationController,
keyboardType: const TextInputType.numberWithOptions(),
),
TextFormField(
decoration: const InputDecoration(
labelText: 'Delayed Bolus Units',
suffixText: ' U',
),
controller: _delayedBolusRateController,
keyboardType:
const TextInputType.numberWithOptions(decimal: true),
),
TextFormField(
controller: _notesController,
decoration: const InputDecoration(
labelText: 'Notes',
alignLabelWithHint: true,
),
keyboardType: TextInputType.multiline,
),
],
),
],
),
),
bottomNavigationBar: DetailBottomRow(
onCancel: handleCancelAction,
onSave: isSaving ? null : handleSaveAction,
),
);
}
}