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Gregory Rudolph
2022-06-30 09:20:20 -04:00
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import 'dart:convert';
import 'dart:async';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:intl/intl.dart';
import 'package:url_launcher/url_launcher.dart';
import 'package:http/http.dart' as http;
import 'package:shared_preferences/shared_preferences.dart';
void main() {
runApp(const TBDoctor());
}
class TBDoctor extends StatelessWidget {
const TBDoctor({Key? key}) : super(key: key);
// This widget is the root of your application.
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'TBDoctor',
theme: ThemeData(
primarySwatch: Colors.cyan,
),
home: const TBDoctorHomePage(title: 'Telecommuting Bank Doctor'),
);
}
}
class SNowBuildingReservation {
final DateTime reservationDateTime;
final String locationLink;
final String? reservationLink;
const SNowBuildingReservation({
required this.reservationDateTime,
required this.locationLink,
this.reservationLink,
});
factory SNowBuildingReservation.fromJson(Map<String, dynamic> json) {
try {
return SNowBuildingReservation(
reservationDateTime: DateTime.parse(json['u_reservation_short_date']),
locationLink: json['location']['link'],
reservationLink: json['workplace_request']['link'],
);
} catch (e) {
return SNowBuildingReservation(
reservationDateTime: DateTime.parse(json['u_reservation_short_date']),
locationLink: json['location']['link'],
);
}
}
static List<SNowBuildingReservation> sampleFromJson(String str) {
final Map<String, dynamic> jsonData = json.decode(str);
return List<SNowBuildingReservation>.from(
jsonData['result'].map((x) => SNowBuildingReservation.fromJson(x)));
}
}
class SNowUser {
final String userSysId;
final String userName;
const SNowUser({
required this.userName,
required this.userSysId,
});
factory SNowUser.fromJson(Map<String, dynamic> json) {
return SNowUser(
userName: json['result']['user_name'],
userSysId: json['result']['user_sys_id'],
);
}
}
class TBDoctorHomePage extends StatefulWidget {
const TBDoctorHomePage({Key? key, required this.title}) : super(key: key);
final String title;
@override
State<TBDoctorHomePage> createState() => _TBDoctorHomePageState();
}
class _TBDoctorHomePageState extends State<TBDoctorHomePage> {
// Set by user interaction
static String? _cookie;
static String? _xUserToken;
static double _tbdHoursToDate = 8.0;
static String? _snowServer;
static double _inOfficeHoursToDate = 4.5;
// Set from SNow API
static SNowUser selfUser = const SNowUser(userName: "", userSysId: "");
static Map<String, String> locations = <String, String>{};
List<SNowBuildingReservation> reservations = <SNowBuildingReservation>[];
// Given by Administration
final double _totalWorkingHours = 1860.00;
final double _summerHoursOffsetHours = 16.00;
final double _allHandsHours = 90.0;
final double _focusWeekFirstHours = 37.5;
final double _focusWeekSecondHours = 37.5;
// Set using calculations
double _totalTBDTimeHours = 0.0;
double _totalInOfficeHours = 0.0;
double _totalInOfficeDays = 0.0;
double _tbdHoursLeftForYear = 0.0;
double _tbdDaysLeftForYear = 0.0;
double _inOfficeDaysLeftForYear = 0.0;
// Required for program
late SharedPreferences _prefs;
void _setCalcs() async {
if (_inOfficeHoursToDate == 0.0 && _tbdHoursToDate == 0.0 ||
_snowServer == null || _snowServer!.isEmpty) {
showDialog(
context: context,
builder: (BuildContext context) => _buildPopupDialog(context),
);
}
setState(() {
_totalTBDTimeHours = (_totalWorkingHours - (_totalWorkingHours * 0.2)) -
_summerHoursOffsetHours;
_totalInOfficeHours = (_totalWorkingHours - (_totalWorkingHours * 0.8));
_totalInOfficeDays = _totalInOfficeHours / 7.5;
_tbdHoursLeftForYear = _totalTBDTimeHours - _tbdHoursToDate;
_tbdDaysLeftForYear = _tbdHoursLeftForYear / 7.5;
_inOfficeDaysLeftForYear =
_totalInOfficeDays - (_inOfficeHoursToDate / 7.5);
double totalForcedHours =
_allHandsHours + _focusWeekFirstHours + _focusWeekSecondHours;
_inOfficeDaysLeftForYear -= totalForcedHours / 7.5;
});
}
static Future<http.Response> _requestURI(String uri) async {
Uri? url = Uri.tryParse(uri);
Map<String, String> myHeaders = <String, String>{};
String cookie = '', xUserToken = '';
if (_cookie == null) {
var url = Uri.parse('https://$_snowServer.service-now.com/');
if (await canLaunchUrl(url)) {
await launchUrl(url);
// Obtain shared preferences.
final prefs = await SharedPreferences.getInstance();
//TODO: Get the actual cookie/xUserToken from auth flow
_cookie = cookie;
_xUserToken = xUserToken;
await prefs.setString("cookie", cookie);
await prefs.setString("xUserToken", xUserToken);
} else {
throw 'Could not launch $url';
}
}
myHeaders['Cookie'] = _cookie ?? cookie;
myHeaders['X-UserToken'] = _xUserToken ?? xUserToken;
http.Response response = await http.get(url!, headers: myHeaders);
return response;
}
void _populateSelf() async {
if (_cookie == null || _xUserToken == null) {
_cookie = _prefs.getString("cookie");
_xUserToken = _prefs.getString("xUserToken");
}
var response = await _requestURI(
"https://$_snowServer.service-now.com/api/now/ui/user/current_user");
if (response.statusCode == 200 || response.statusCode == 202) {
selfUser = SNowUser.fromJson(jsonDecode(response.body));
_setCalcs();
_populateReservations();
} else {
throw Exception('Failed to load account');
}
}
void _populateReservations() async {
var response = await _requestURI(
'https://$_snowServer.service-now.com/api/now/table/sn_wsd_core_reservation?requested_for=${selfUser.userSysId}&state=confirmed&start%3E%3Djavascript:gs.beginningOfToday()');
if (response.statusCode == 200 || response.statusCode == 202) {
reservations = SNowBuildingReservation.sampleFromJson(response.body);
reservations.sort((a, b) {
return a.reservationDateTime.compareTo(b.reservationDateTime);
});
for (SNowBuildingReservation res in reservations) {
if (!_TBDoctorHomePageState.locations.containsKey(res.locationLink)) {
var response =
await _TBDoctorHomePageState._requestURI(res.locationLink);
if (response.statusCode == 200 || response.statusCode == 202) {
_TBDoctorHomePageState.locations[res.locationLink] =
jsonDecode(response.body)['result']['name'];
} else {
throw Exception('Failed to load location');
}
}
}
setState(() {});
} else {
throw Exception('Failed to load reservations');
}
}
void _launchUrl(String uri) async {
var url = Uri.parse(uri);
if (await canLaunchUrl(url)) {
await launchUrl(url);
} else {
throw 'Could not launch $url';
}
}
void _newReservation() async {
_launchUrl(
'https://$_snowServer.service-now.com/serviceportal?id=sc_cat_item&sys_id=8fe9981d1bdb6c10b346cb35624bcb1d');
}
void _healthCheck() async {
_launchUrl(
'https://$_snowServer.service-now.com/serviceportal?id=sc_cat_item&sys_id=9c578864ed111010fa9b395e35885545');
}
void _viewAllReservation() async {
_launchUrl(
'https://$_snowServer.service-now.com/serviceportal?id=u_my_building_schedule&t=sn_wsd_core_reservation&filter=active%3Dtrue%5Estate%3Dconfirmed%5Estart%3E%3Djavascript:gs.beginningOfToday()%5Ereservation_subtypeINsingle,occurrence%5EORDERBYstart%5EEQ');
}
Widget _buildPopupDialog(BuildContext context) {
String? tbdString = _tbdHoursToDate.toString();
String? inOfficeString = _inOfficeHoursToDate.toString();
return AlertDialog(
title: const Text('Manually change hours'),
content: Column(
mainAxisSize: MainAxisSize.min,
crossAxisAlignment: CrossAxisAlignment.start,
children: <Widget>[
Column(
children: [
const Text("Don't forget to save and close"),
TextFormField(
decoration: const InputDecoration(labelText: "SNow Server"),
initialValue: _snowServer,
onChanged: (String? newVal) {
try {
_snowServer = newVal;
} finally {
_prefs.setString("_snowServer", _snowServer!);
}
},
),
TextFormField(
decoration: const InputDecoration(labelText: "TBD Hours Spent"),
inputFormatters: [
FilteringTextInputFormatter.allow(RegExp(r'^\d+\.?\d{0,2}')),
],
keyboardType:
const TextInputType.numberWithOptions(decimal: true),
initialValue: _tbdHoursToDate.toString(),
onChanged: (String? newVal) {
tbdString = newVal;
try {
_tbdHoursToDate = double.parse(tbdString ?? '0.0');
_prefs.setDouble("_tbdHoursToDate", _tbdHoursToDate);
} catch (e) {
_tbdHoursToDate = double.parse("${tbdString!}.0");
_prefs.setDouble("_tbdHoursToDate", _tbdHoursToDate);
}
},
),
TextFormField(
decoration:
const InputDecoration(labelText: "Time Spent in Office"),
inputFormatters: [
FilteringTextInputFormatter.allow(RegExp(r'^\d+\.?\d{0,2}')),
],
keyboardType:
const TextInputType.numberWithOptions(decimal: true),
initialValue: _inOfficeHoursToDate.toString(),
onChanged: (String? newVal) {
inOfficeString = newVal;
try {
_inOfficeHoursToDate =
double.parse(inOfficeString ?? '0.0');
_prefs.setDouble(
"_inOfficeHoursToDate", _inOfficeHoursToDate);
} catch (e) {
_inOfficeHoursToDate =
double.parse("${inOfficeString!}.0");
_prefs.setDouble(
"_inOfficeHoursToDate", _inOfficeHoursToDate);
}
},
),
],
),
],
),
actions: <Widget>[
FloatingActionButton(
onPressed: () {
_setCalcs();
Navigator.pop(context);
},
child: const Text('Close'),
),
],
);
}
@override
void initState() {
SharedPreferences.getInstance().then((SharedPreferences p) {
_prefs = p;
_inOfficeHoursToDate = _prefs.getDouble("_inOfficeHoursToDate") ?? 0.0;
_tbdHoursToDate = _prefs.getDouble("_tbdHoursToDate") ?? 0.0;
_snowServer = _prefs.getString("_snowServer");
_setCalcs();
_populateSelf();
});
super.initState();
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text(
widget.title,
style: const TextStyle(
color: Colors.white,
),
),
backgroundColor: Colors.cyan.shade900,
),
body: SingleChildScrollView(
child: Column(
mainAxisAlignment: MainAxisAlignment.start,
children: <Widget>[
Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: const [
SizedBox(
height: 16,
),
],
),
Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
Container(
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(5),
color: Colors.cyan.shade900,
),
padding: const EdgeInsets.all(8),
child: Column(
children: [
Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: const [
Text(
'TBD Days Left',
style: TextStyle(
fontSize: 20,
color: Colors.white,
),
),
],
),
Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
Text(
(_tbdDaysLeftForYear).toStringAsFixed(2),
style: const TextStyle(
fontSize: 20,
color: Colors.white,
),
),
],
),
],
),
),
Container(
padding: const EdgeInsets.all(8),
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(5),
color: Colors.cyan.shade900,
),
child: Column(
children: [
Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: const [
Text(
'Unscheduled Office Days Left',
style: TextStyle(
fontSize: 20,
color: Colors.white,
),
),
],
),
Row(
mainAxisAlignment: MainAxisAlignment.spaceAround,
children: [
Text(
(_inOfficeDaysLeftForYear).toStringAsFixed(2),
style: const TextStyle(
fontSize: 20,
color: Colors.white,
),
),
],
)
],
),
)
],
),
Column(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Row(
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
children: [
ElevatedButton(
onPressed: _healthCheck,
child: const Text('Health Check')),
ElevatedButton(
onPressed: _newReservation,
child: const Text('New Reservation')),
ElevatedButton(
onPressed: _viewAllReservation,
child: const Text('View All')),
],
),
ListView.separated(
padding: const EdgeInsets.all(15),
physics: const BouncingScrollPhysics(),
shrinkWrap: true,
scrollDirection: Axis.vertical,
itemBuilder: (BuildContext context, int index) => InkWell(
onTap: () {
_launchUrl(reservations[index].reservationLink ?? 'https://www.youtube.com/watch?v=t3otBjVZzT0');
},
child: Container(
padding: const EdgeInsets.fromLTRB(12, 0, 12, 0),
height: 40,
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(5),
color: Colors.cyan.shade900,
),
child: Row(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
Column(
crossAxisAlignment: CrossAxisAlignment.start,
mainAxisAlignment: MainAxisAlignment.center,
children: [
Text(
DateFormat('dd-MMM-yyyy').format(reservations
.elementAt(index)
.reservationDateTime),
textAlign: TextAlign.start,
style: const TextStyle(
fontSize: 18,
color: Colors.white,
),
),
],
),
const Spacer(),
Column(
crossAxisAlignment: CrossAxisAlignment.end,
mainAxisAlignment: MainAxisAlignment.center,
children: [
Text(
locations[reservations
.elementAt(index)
.locationLink] ??
"Location hasn't been discovered yet!",
textAlign: TextAlign.end,
style: const TextStyle(
fontSize: 18, color: Colors.white)),
],
)
],
),
),
),
separatorBuilder: (context, index) => const SizedBox(
height: 10,
),
itemCount: reservations.length,
),
],
),
],
),
),
floatingActionButton: FloatingActionButton(
onPressed: () {
showDialog(
context: context,
builder: (BuildContext context) => _buildPopupDialog(context),
);
},
tooltip: 'Health Check',
child: const Icon(Icons.settings),
),
);
}
}