diameter/lib/screens/bolus/bolus_detail.dart

446 lines
17 KiB
Dart

import 'package:diameter/components/detail.dart';
import 'package:diameter/components/forms/number_form_field.dart';
import 'package:diameter/components/forms/time_of_day_form_field.dart';
import 'package:diameter/localization_keys.dart';
import 'package:diameter/utils/dialog_utils.dart';
import 'package:diameter/models/settings.dart';
import 'package:diameter/navigation.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/form_wrapper.dart';
import 'package:diameter/models/bolus.dart';
import 'package:diameter/models/bolus_profile.dart';
import 'package:flutter_translate/flutter_translate.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;
bool _isFinalRate = true;
final GlobalKey<FormState> _bolusForm = GlobalKey<FormState>();
final ScrollController _scrollController = ScrollController();
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: Utils.toStringMatchingTemplateFractionPrecision(0, Settings.insulinSteps));
final _carbsController = TextEditingController(text: Utils.toStringMatchingTemplateFractionPrecision(0, Settings.nutritionSteps));
final _mgPerDlController = TextEditingController(text: '0');
final _mmolPerLController = TextEditingController(text: Utils.toStringMatchingTemplateFractionPrecision(0, Settings.mmolPerLSteps));
@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();
}
_startTimeController.text = DateTimeUtils.displayTimeOfDay(_startTime);
_endTimeController.text = DateTimeUtils.displayTimeOfDay(_endTime);
}
@override
void dispose() {
_scrollController.dispose();
_startTimeController.dispose();
_endTimeController.dispose();
_unitsController.dispose();
_carbsController.dispose();
_mgPerDlController.dispose();
_mmolPerLController.dispose();
super.dispose();
}
void reload({String? message}) {
if (widget.id != 0) {
setState(() {
_bolus = Bolus.get(widget.id);
});
}
_isNew = _bolus == null;
setState(() {
if (message != null) {
var snackBar = SnackBar(
content: Text(message),
duration: const Duration(seconds: 2),
);
ScaffoldMessenger.of(context)
..removeCurrentSnackBar()
..showSnackBar(snackBar);
}
});
}
void updateStartTime(TimeOfDay? value) {
if (value != null) {
setState(() {
_startTime = value;
_startTimeController.text = DateTimeUtils.displayTimeOfDay(_startTime);
});
}
}
void updateEndTime(TimeOfDay? value) {
if (value != null) {
setState(() {
_endTime = value;
_endTimeController.text = DateTimeUtils.displayTimeOfDay(_endTime);
_isFinalRate = widget.suggestedEndTime == null ||
_endTime == widget.suggestedEndTime!;
});
}
}
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 = translate(LocalizationKeys.bolus_warnings_duplicate);
}
if (bolusRates
.where((other) =>
(widget.id != other.id) &&
DateTimeUtils.convertTimeOfDayToDateTime(_startTime)
.isBefore(other.startTime) &&
DateTimeUtils.convertTimeOfDayToDateTime(_endTime)
.isAfter(other.startTime))
.isNotEmpty) {
error = translate(LocalizationKeys.bolus_warnings_overlap);
}
return error == null
? null
: showDialog(
context: context,
builder: (BuildContext context) {
return AlertDialog(
content: Text(error!),
actions: <Widget>[
TextButton(
onPressed: () => Navigator.pop(context, 'CANCEL'),
child: Text(translate(LocalizationKeys.general_keepEditing).toUpperCase()),
),
ElevatedButton(
onPressed: () => Navigator.pop(context, 'CONFIRM'),
child: Text(translate(LocalizationKeys.general_saveAsIs).toUpperCase()),
),
],
);
});
}
void handleSaveAction({bool next = true}) 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.tryParse(_mmolPerLController.text),
);
bolus.bolusProfile.targetId = widget.bolusProfileId;
Bolus.put(bolus);
if (next) {
Navigator.push(
context,
MaterialPageRoute(
builder: (context) {
return BolusDetailScreen(
bolusProfileId: widget.bolusProfileId,
suggestedStartTime: _endTime,
suggestedEndTime: widget.suggestedEndTime,
);
},
),
).then((result) {
Navigator.pop(
context,
[
translatePlural(
LocalizationKeys.bolus_saved,
result.length,
args: {
"status": _isNew ? '${LocalizationKeys.bolus_new} ' : ''
},
),
bolus] +
[result[1]],
);
});
} else {
Navigator.pop(
context, [translatePlural(
LocalizationKeys.bolus_saved,
1,
args: {
"status": _isNew ? '${LocalizationKeys.bolus_new} ' : ''
},
), bolus]);
}
}
});
}
setState(() {
_isSaving = false;
});
}
void handleCancelAction() {
if (Settings.get().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)))) {
DialogUtils.showCancelConfirmationDialog(
context: context,
isNew: _isNew,
onSave: handleSaveAction,
);
} else {
Navigator.pop(context);
}
}
void convertBetweenMgPerDlAndMmolPerL(double? value) async {
if (value != null) {
if (Settings.glucoseMeasurement == GlucoseMeasurement.mgPerDl &&
_mgPerDlController.text != '') {
_mgPerDlController.text = value.toInt().toString();
setState(() {
_mmolPerLController.text =
Utils.convertMgPerDlToMmolPerL(value.toInt()).toString();
});
}
if (Settings.glucoseMeasurement == GlucoseMeasurement.mmolPerL &&
_mmolPerLController.text != '') {
_mmolPerLController.text =
Utils.toStringMatchingTemplateFractionPrecision(
value, Settings.mmolPerLSteps);
setState(() {
_mgPerDlController.text =
Utils.convertMmolPerLToMgPerDl(value.toDouble()).toString();
});
}
}
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(
translate(
LocalizationKeys.basal_title,
args: {
"status": _isNew ? LocalizationKeys.bolus_new : LocalizationKeys.general_edit,
"profileName": BolusProfile.get(widget.bolusProfileId)?.name,
}
),
),
),
drawer: const Navigation(currentLocation: BolusDetailScreen.routeName),
body: Scrollbar(
controller: _scrollController,
child: SingleChildScrollView(
controller: _scrollController,
child: Column(
children: [
FormWrapper(
formState: _bolusForm,
fields: [
Row(
children: [
Expanded(
child: Padding(
padding: const EdgeInsets.only(right: 5),
child: TimeOfDayFormField(
label: translate(LocalizationKeys.bolus_fields_startTime),
controller: _startTimeController,
time: _startTime,
onChanged: updateStartTime,
),
),
),
Expanded(
child: Padding(
padding: const EdgeInsets.only(left: 5),
child: TimeOfDayFormField(
label: translate(LocalizationKeys.bolus_fields_endTime),
controller: _endTimeController,
time: _endTime,
onChanged: updateEndTime,
),
),
),
],
),
NumberFormField(
controller: _unitsController,
label: translate(LocalizationKeys.bolus_fields_units),
suffix: translate(LocalizationKeys.general_suffixes_units),
autoRoundToMultipleOfStep: true,
step: Settings.insulinSteps,
onChanged: (value) {
if (value != null) {
_unitsController.text =
Utils.toStringMatchingTemplateFractionPrecision(
value, Settings.insulinSteps);
}
},
),
NumberFormField(
controller: _carbsController,
label: translate(LocalizationKeys.bolus_fields_perCarbs),
suffix: Settings.nutritionMeasurementSuffix,
autoRoundToMultipleOfStep: true,
step: Settings.nutritionSteps,
onChanged: (value) {
if (value != null) {
_carbsController.text =
Utils.toStringMatchingTemplateFractionPrecision(
value, Settings.nutritionSteps);
}
},
),
Row(
children: [
Settings.glucoseMeasurement ==
GlucoseMeasurement.mgPerDl ||
Settings.glucoseDisplayMode ==
GlucoseDisplayMode.both ||
Settings.glucoseDisplayMode ==
GlucoseDisplayMode.bothForDetail
? Expanded(
flex: Settings.glucoseMeasurement == GlucoseMeasurement.mgPerDl ? 2 : 1,
child: NumberFormField(
label: translate(LocalizationKeys.bolus_fields_perGlucose, args: {
"glucoseMeasurement": Settings.glucoseMeasurementSuffix
}),
suffix: Settings.glucoseMeasurementSuffix,
readOnly: Settings.glucoseMeasurement ==
GlucoseMeasurement.mmolPerL,
showSteppers: Settings.glucoseMeasurement == GlucoseMeasurement.mgPerDl,
controller: _mgPerDlController,
onChanged: convertBetweenMgPerDlAndMmolPerL,
),
)
: Container(),
Settings.glucoseMeasurement ==
GlucoseMeasurement.mmolPerL ||
[
GlucoseDisplayMode.both,
GlucoseDisplayMode.bothForDetail
].contains(Settings.glucoseDisplayMode)
? Expanded(
flex: Settings.glucoseMeasurement == GlucoseMeasurement.mmolPerL ? 2 : 1,
child: NumberFormField(
label: translate(LocalizationKeys.bolus_fields_perGlucose, args: {
"glucoseMeasurement": Settings.glucoseMeasurementSuffix
}),
suffix: Settings.glucoseMeasurementSuffix,
readOnly: Settings.glucoseMeasurement ==
GlucoseMeasurement.mgPerDl,
showSteppers: Settings.glucoseMeasurement == GlucoseMeasurement.mmolPerL,
controller: _mmolPerLController,
step: Settings.mmolPerLSteps,
onChanged: convertBetweenMgPerDlAndMmolPerL,
),
)
: Container(),
],
),
],
),
],
),
),
),
bottomNavigationBar: DetailBottomRow(
onCancel: handleCancelAction,
onAction:
_isSaving ? null : () => handleSaveAction(next: !_isFinalRate),
onMiddleAction: _isSaving || _isFinalRate
? null
: () => handleSaveAction(next: false),
actionTextKey: _isFinalRate ? translate(LocalizationKeys.general_saveAndClose) : translate(LocalizationKeys.general_next),
middleActionTextKey: translate(LocalizationKeys.general_saveAndClose),
),
);
}
}