diameter/lib/screens/bolus/bolus_detail.dart

406 lines
15 KiB
Dart

import 'package:diameter/components/detail.dart';
import 'package:diameter/components/dialogs.dart';
import 'package:diameter/config.dart';
import 'package:diameter/navigation.dart';
import 'package:diameter/settings.dart';
import 'package:diameter/utils/date_time_utils.dart';
import 'package:diameter/utils/utils.dart';
import 'package:flutter/material.dart';
import 'package:diameter/components/forms.dart';
import 'package:diameter/models/bolus.dart';
import 'package:diameter/models/bolus_profile.dart';
class BolusDetailScreen extends StatefulWidget {
static const String routeName = '/bolus';
final int bolusProfileId;
final int id;
final TimeOfDay? suggestedStartTime;
final TimeOfDay? suggestedEndTime;
const BolusDetailScreen(
{Key? key,
this.bolusProfileId = 0,
this.id = 0,
this.suggestedStartTime,
this.suggestedEndTime})
: super(key: key);
@override
_BolusDetailScreenState createState() => _BolusDetailScreenState();
}
class _BolusDetailScreenState extends State<BolusDetailScreen> {
Bolus? _bolus;
bool _isNew = true;
bool _isSaving = false;
final GlobalKey<FormState> _bolusForm = GlobalKey<FormState>();
TimeOfDay _startTime = const TimeOfDay(hour: 0, minute: 0);
TimeOfDay _endTime = const TimeOfDay(hour: 0, minute: 0);
final _startTimeController = TextEditingController(text: '');
final _endTimeController = TextEditingController(text: '');
final _unitsController = TextEditingController(text: '');
final _carbsController = TextEditingController(text: '');
final _mgPerDlController = TextEditingController(text: '');
final _mmolPerLController = TextEditingController(text: '');
@override
void initState() {
super.initState();
reload();
if (widget.suggestedStartTime != null) {
_startTime = widget.suggestedStartTime!;
}
if (widget.suggestedEndTime != null) {
_endTime = widget.suggestedEndTime!;
}
if (_bolus != null) {
_startTime = TimeOfDay.fromDateTime(_bolus!.startTime);
_endTime = TimeOfDay.fromDateTime(_bolus!.endTime);
_unitsController.text = _bolus!.units.toString();
_carbsController.text = _bolus!.carbs.toString();
_mgPerDlController.text = _bolus!.mgPerDl.toString();
_mmolPerLController.text = _bolus!.mmolPerL.toString();
}
updateStartTime();
updateEndTime();
}
void reload() {
if (widget.id != 0) {
setState(() {
_bolus = Bolus.get(widget.id);
});
}
_isNew = _bolus == null;
}
void updateStartTime() {
_startTimeController.text = DateTimeUtils.displayTimeOfDay(_startTime);
}
void updateEndTime() {
_endTimeController.text = DateTimeUtils.displayTimeOfDay(_endTime);
}
Future<String?> validateTimePeriod() async {
String? error;
List<Bolus> bolusRates = Bolus.getAllForProfile(widget.bolusProfileId);
// check for duplicates
if (bolusRates
.where((other) =>
widget.id != other.id &&
_startTime.hour == other.startTime.hour &&
_startTime.minute == other.startTime.minute)
.isNotEmpty) {
error = 'There\'s already a rate with this start time.';
}
if (bolusRates
.where((other) =>
(widget.id != other.id) &&
DateTimeUtils.convertTimeOfDayToDateTime(_startTime)
.isBefore(other.startTime) &&
DateTimeUtils.convertTimeOfDayToDateTime(_endTime)
.isAfter(other.startTime))
.isNotEmpty) {
error = 'This rate\'s time period overlaps with another one.';
}
return error == null
? null
: showDialog(
context: context,
builder: (BuildContext context) {
return AlertDialog(
content: Text(error!),
actions: <Widget>[
TextButton(
onPressed: () => Navigator.pop(context, 'CANCEL'),
child: const Text('GO BACK TO EDITING'),
),
ElevatedButton(
onPressed: () => Navigator.pop(context, 'CONFIRM'),
child: const Text('SAVE AS IS'),
),
],
);
});
}
void handleSaveAction() async {
setState(() {
_isSaving = true;
});
if (_bolusForm.currentState!.validate()) {
await validateTimePeriod().then((value) async {
if (value != 'CANCEL') {
Bolus bolus = Bolus(
id: widget.id,
startTime: DateTimeUtils.convertTimeOfDayToDateTime(_startTime),
endTime: DateTimeUtils.convertTimeOfDayToDateTime(_endTime),
units: double.tryParse(_unitsController.text) ?? 0,
carbs: double.tryParse(_carbsController.text) ?? 0,
mgPerDl: int.tryParse(_mgPerDlController.text),
mmolPerL: double.parse(_mmolPerLController.text),
);
bolus.bolusProfile.targetId = widget.bolusProfileId;
Bolus.put(bolus);
Navigator.pop(context, '${_isNew ? 'New' : ''} Bolus Rate saved');
}
});
}
setState(() {
_isSaving = false;
});
}
void handleCancelAction() {
if (showConfirmationDialogOnCancel &&
((_isNew &&
(_startTime.hour != (widget.suggestedStartTime?.hour ?? 0) ||
_endTime.hour != (widget.suggestedEndTime?.hour ?? 0) ||
_startTime.minute !=
(widget.suggestedStartTime?.minute ?? 0) ||
_endTime.minute != (widget.suggestedEndTime?.minute ?? 0) ||
(double.tryParse(_unitsController.text) ?? 0) != 0.0 ||
(double.tryParse(_carbsController.text) ?? 0) != 0.0 ||
(int.tryParse(_mgPerDlController.text) ?? 0) != 0 ||
(double.tryParse(_mmolPerLController.text) ?? 0) != 0.0)) ||
(!_isNew &&
(TimeOfDay.fromDateTime(_bolus!.startTime) != _startTime ||
TimeOfDay.fromDateTime(_bolus!.endTime) != _endTime ||
(double.tryParse(_unitsController.text) ?? 0) !=
_bolus!.units ||
(double.tryParse(_carbsController.text) ?? 0) !=
_bolus!.carbs ||
(double.tryParse(_mgPerDlController.text) ?? 0) !=
_bolus!.mgPerDl ||
(double.tryParse(_mmolPerLController.text) ?? 0) !=
_bolus!.mmolPerL)))) {
Dialogs.showCancelConfirmationDialog(
context: context,
isNew: _isNew,
onSave: handleSaveAction,
);
} else {
Navigator.pop(context);
}
}
void convertBetweenMgPerDlAndMmolPerL({GlucoseMeasurement? calculateFrom}) {
int? mgPerDl;
double? mmolPerL;
if (calculateFrom != GlucoseMeasurement.mmolPerL &&
_mgPerDlController.text != '') {
mgPerDl = int.tryParse(_mgPerDlController.text);
}
if (calculateFrom != GlucoseMeasurement.mgPerDl &&
_mmolPerLController.text != '') {
mmolPerL = double.tryParse(_mmolPerLController.text);
}
if (mgPerDl != null && mmolPerL == null) {
setState(() {
_mmolPerLController.text =
Utils.convertMgPerDlToMmolPerL(mgPerDl!).toString();
});
}
if (mmolPerL != null && mgPerDl == null) {
setState(() {
_mgPerDlController.text =
Utils.convertMmolPerLToMgPerDl(mmolPerL!).toString();
});
}
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(
'${_isNew ? 'New' : 'Edit'} Bolus Rate for ${BolusProfile.get(widget.bolusProfileId)?.name}'),
),
drawer: const Navigation(currentLocation: BolusDetailScreen.routeName),
body: SingleChildScrollView(
child: Column(
children: [
FormWrapper(
formState: _bolusForm,
fields: [
Row(
children: [
Expanded(
child: Padding(
padding: const EdgeInsets.only(right: 5),
child: TimeOfDayFormField(
label: 'Start Time',
controller: _startTimeController,
time: _startTime,
onChanged: (newStartTime) {
if (newStartTime != null) {
setState(() {
_startTime = newStartTime;
});
updateStartTime();
}
},
),
),
),
Expanded(
child: Padding(
padding: const EdgeInsets.only(left: 5),
child: TimeOfDayFormField(
label: 'End Time',
controller: _endTimeController,
time: _endTime,
onChanged: (newEndTime) {
if (newEndTime != null) {
setState(() {
_endTime = newEndTime;
});
updateEndTime();
}
},
),
),
),
],
),
TextFormField(
decoration: const InputDecoration(
labelText: 'Units',
suffixText: 'U',
),
controller: _unitsController,
keyboardType:
const TextInputType.numberWithOptions(decimal: true),
validator: (value) {
if (value!.trim().isEmpty) {
return 'Empty amount of units';
}
return null;
},
),
TextFormField(
decoration: InputDecoration(
labelText: 'per carbs',
suffixText: nutritionMeasurement ==
NutritionMeasurement.grams
? 'g'
: nutritionMeasurement == NutritionMeasurement.ounces
? 'oz'
: '',
),
controller: _carbsController,
keyboardType:
const TextInputType.numberWithOptions(decimal: true),
validator: (value) {
if (value!.trim().isEmpty) {
return 'How many carbs does the rate make up for?';
}
return null;
},
),
Row(
children: [
glucoseMeasurement == GlucoseMeasurement.mgPerDl ||
glucoseDisplayMode == GlucoseDisplayMode.both ||
glucoseDisplayMode ==
GlucoseDisplayMode.bothForDetail
? Expanded(
child: TextFormField(
decoration: const InputDecoration(
labelText: 'per mg/dl',
suffixText: 'mg/dl',
),
controller: _mgPerDlController,
onChanged: (_) =>
convertBetweenMgPerDlAndMmolPerL(
calculateFrom:
GlucoseMeasurement.mgPerDl),
keyboardType:
const TextInputType.numberWithOptions(),
validator: (value) {
if (value!.trim().isEmpty &&
_mmolPerLController.text.trim().isEmpty) {
return 'How many mg/dl does the rate make up for?';
}
return null;
},
),
)
: Container(),
glucoseDisplayMode == GlucoseDisplayMode.both ||
glucoseDisplayMode ==
GlucoseDisplayMode.bothForDetail
? IconButton(
onPressed: () => convertBetweenMgPerDlAndMmolPerL(
calculateFrom: GlucoseMeasurement.mmolPerL),
icon: const Icon(Icons.calculate),
)
: Container(),
glucoseMeasurement == GlucoseMeasurement.mmolPerL ||
glucoseDisplayMode == GlucoseDisplayMode.both ||
glucoseDisplayMode ==
GlucoseDisplayMode.bothForDetail
? Expanded(
child: TextFormField(
decoration: const InputDecoration(
labelText: 'per mmol/l',
suffixText: 'mmol/l',
),
controller: _mmolPerLController,
onChanged: (_) =>
convertBetweenMgPerDlAndMmolPerL(
calculateFrom:
GlucoseMeasurement.mmolPerL),
keyboardType:
const TextInputType.numberWithOptions(
decimal: true),
validator: (value) {
if (value!.trim().isEmpty &&
_mgPerDlController.text.trim().isEmpty) {
return 'How many mmol/l does rhe rate make up for?';
}
return null;
},
),
)
: Container(),
glucoseDisplayMode == GlucoseDisplayMode.both ||
glucoseDisplayMode ==
GlucoseDisplayMode.bothForDetail
? IconButton(
onPressed: () => convertBetweenMgPerDlAndMmolPerL(
calculateFrom: GlucoseMeasurement.mgPerDl),
icon: const Icon(Icons.calculate),
)
: Container(),
],
),
],
),
],
),
),
bottomNavigationBar: DetailBottomRow(
onCancel: handleCancelAction,
onSave: _isSaving ? null : handleSaveAction,
),
);
}
}