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Commit 2ec0e10f authored by Maximilian Betz's avatar Maximilian Betz
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improved exception handling

parent 6596ab64
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lib/datamodel.dart
+ 6
− 0
View file @ 2ec0e10f
class Collection {
int id;
String description;
......@@ -41,6 +42,7 @@ class Device{
}
}
class Event{
int id; // Device URN id
String urn;
......@@ -138,6 +140,7 @@ class Event{
}
}
class EventType{
int id;
String name;
......@@ -152,6 +155,7 @@ class EventType{
}
}
class SensorLogin{
String mail;
String password;
......@@ -220,6 +224,7 @@ abstract class ConfigurationStoreBase {
}
}
class ConfigurationStoreInstance extends ConfigurationStoreBase {
static final ConfigurationStoreInstance _instance = ConfigurationStoreInstance
._internal();
......@@ -251,6 +256,7 @@ abstract class EventStoreBase{
}
}
class EventStoreInstance extends EventStoreBase {
static final EventStoreInstance _instance = EventStoreInstance._internal();
......
lib/sensorconnector.dart
+ 4
− 2
View file @ 2ec0e10f
......@@ -34,10 +34,12 @@ class SensorConnector {
debugPrint('Login success. Token: ' + token!.toString());
} else {
throw Exception('Failed to login. '
'Header: ' + response.headers.toString() +
debugPrint('Failed to login'
'Header: ' + response.headers.toString() +
' StatusCode: ' +response.statusCode.toString() +
' Body: ' +response.body.toString());
throw Exception('Failed to login');
}
return token;
}
......
lib/viewevents.dart
+ 174
− 160
View file @ 2ec0e10f
......@@ -23,40 +23,48 @@ class _ViewEvents extends State<ViewEvents> {
super.initState();
}
Future<bool> syncEvents() async {
//final EventStoreInstance events = EventStoreInstance();
Future<void> syncEvents() async {
final ConfigurationStoreInstance configuration = ConfigurationStoreInstance();
SensorConnector connection = SensorConnector();
int _synccounter = 0; //For displaying progress during event upload
int syncCounter = _events.getPendingEventCount();; //For displaying progress during event upload
String? token = await connection.getAuthToken(configuration.loginInformation.mail,
configuration.loginInformation.password);
if(syncCounter > 0) {
try {
String? token = await connection.getAuthToken(
configuration.loginInformation.mail,
configuration.loginInformation.password);
if (token != null) {
_synccounter = _events.getPendingEventCount();
debugPrint('Number of Events: ' + _events.events.length.toString());
debugPrint('Number of Pending Events: ' + _synccounter.toString());
var index = 0;
for (var event in _events.events) {
if (event.status == 'PENDING') {
debugPrint('Idx: ' + index.toString() + ' ' +
event.toSensorJson().toString());
index++;
if (await connection.putEvent(event, token) == true){
//Event has been posted to Sensor.
_synccounter--;
debugPrint('put success, remaining events: ' + _synccounter.toString());
event.status = 'EXPORTED'; //Update event status so that it is only exported once.
setState(() {});
}else{
_sync_status = 'export failed: ' + event.urn;
if (token != null) {
debugPrint('Number of Events: ' + _events.events.length.toString());
debugPrint('Number of Pending Events: ' + syncCounter.toString());
var index = 0;
for (var event in _events.events) {
if (event.status == 'PENDING') {
debugPrint('Idx: ' + index.toString() + ' ' +
event.toSensorJson().toString());
index++;
if (await connection.putEvent(event, token) == true) {
//Event has been posted to Sensor.
syncCounter--;
debugPrint(
'put success, remaining events: ' + syncCounter.toString());
event.status = 'EXPORTED'; //Update event export only once
setState(() {});
} else {
throw Exception('Sync for ' + event.urn + 'failed');
}
}
}
_sync_status = 'export success';
}
} catch (e) {
debugPrint('Exception: $e');
_sync_status = '$e';
setState(() {});
}
_sync_status = 'export success';
return true;
}else{
debugPrint('Nothing to export');
}
return false;
}
@override
......@@ -67,168 +75,174 @@ class _ViewEvents extends State<ViewEvents> {
title: const Text("View Added Events"),
),
body: Container(
margin: const EdgeInsets.symmetric(horizontal: 5.0),
child:
SingleChildScrollView(
scrollDirection: Axis.horizontal,
child: SingleChildScrollView(
scrollDirection: Axis.vertical,
child: DataTable(
margin: const EdgeInsets.symmetric(horizontal: 5.0),
child:
SingleChildScrollView(
scrollDirection: Axis.horizontal,
child: SingleChildScrollView(
scrollDirection: Axis.vertical,
child: DataTable(
columns: const <DataColumn>[
DataColumn(
label: Text(
'Id',
style: TextStyle(fontStyle: FontStyle.italic),
columns: const <DataColumn>[
DataColumn(
label: Text(
'Id',
style: TextStyle(fontStyle: FontStyle.italic),
),
),
),
DataColumn(
label: Text(
'URN',
style: TextStyle(fontStyle: FontStyle.italic),
DataColumn(
label: Text(
'URN',
style: TextStyle(fontStyle: FontStyle.italic),
),
),
),
DataColumn(
label: Text(
'Label',
style: TextStyle(fontStyle: FontStyle.italic),
DataColumn(
label: Text(
'Label',
style: TextStyle(fontStyle: FontStyle.italic),
),
),
),
DataColumn(
label: Text(
'Type',
style: TextStyle(fontStyle: FontStyle.italic),
DataColumn(
label: Text(
'Type',
style: TextStyle(fontStyle: FontStyle.italic),
),
),
),
DataColumn(
label: Text(
'Description',
style: TextStyle(fontStyle: FontStyle.italic),
DataColumn(
label: Text(
'Description',
style: TextStyle(fontStyle: FontStyle.italic),
),
),
),
DataColumn(
label: Text(
'StartDate',
style: TextStyle(fontStyle: FontStyle.italic),
DataColumn(
label: Text(
'StartDate',
style: TextStyle(fontStyle: FontStyle.italic),
),
),
),
DataColumn(
label: Text(
'EndDate',
style: TextStyle(fontStyle: FontStyle.italic),
DataColumn(
label: Text(
'EndDate',
style: TextStyle(fontStyle: FontStyle.italic),
),
),
),
DataColumn(
label: Text(
'Latitude',
style: TextStyle(fontStyle: FontStyle.italic),
DataColumn(
label: Text(
'Latitude',
style: TextStyle(fontStyle: FontStyle.italic),
),
),
),
DataColumn(
label: Text(
'Longitude',
style: TextStyle(fontStyle: FontStyle.italic),
DataColumn(
label: Text(
'Longitude',
style: TextStyle(fontStyle: FontStyle.italic),
),
),
),
DataColumn(
label: Text(
'Elevation',
style: TextStyle(fontStyle: FontStyle.italic),
DataColumn(
label: Text(
'Elevation',
style: TextStyle(fontStyle: FontStyle.italic),
),
),
),
DataColumn(
label: Text(
'Status',
style: TextStyle(fontStyle: FontStyle.italic),
DataColumn(
label: Text(
'Status',
style: TextStyle(fontStyle: FontStyle.italic),
),
),
),
],
rows: <DataRow>[
for (var event in _events.events)
DataRow(
cells: <DataCell>[
DataCell(Text(event.id.toString())),
DataCell(Text(event.urn)),
DataCell(
TextFormField(
readOnly: true,
initialValue: event.label,
onFieldSubmitted: (val) {
event.label = val; //Update Database
},
],
rows: <DataRow>[
for (var event in _events.events)
DataRow(
cells: <DataCell>[
DataCell(Text(event.id.toString())),
DataCell(Text(event.urn)),
DataCell(
TextFormField(
readOnly: true,
initialValue: event.label,
onFieldSubmitted: (val) {
event.label = val; //Update Database
},
),
),
),
DataCell(Text(event.type)),
DataCell(
TextFormField(
readOnly: true,
initialValue: event.description,
onFieldSubmitted: (val) {
event.description = val; //Update Database
},
DataCell(Text(event.type)),
DataCell(
TextFormField(
readOnly: true,
initialValue: event.description,
onFieldSubmitted: (val) {
event.description = val; //Update Database
},
),
),
),
DataCell(Text(event.startDate)),
DataCell(Text(event.endDate)),
DataCell(
TextFormField(
readOnly: true,
initialValue: event.latitude,
onFieldSubmitted: (val) {
event.latitude = val; //Update Database
},
DataCell(Text(event.startDate)),
DataCell(Text(event.endDate)),
DataCell(
TextFormField(
readOnly: true,
initialValue: event.latitude,
onFieldSubmitted: (val) {
event.latitude = val; //Update Database
},
),
),
),
DataCell(
TextFormField(
readOnly: true,
initialValue: event.longitude,
onFieldSubmitted: (val) {
event.longitude = val; //Update Database
},
DataCell(
TextFormField(
readOnly: true,
initialValue: event.longitude,
onFieldSubmitted: (val) {
event.longitude = val; //Update Database
},
),
),
),
DataCell(
TextFormField(
readOnly: true,
initialValue: event.elevation,
onFieldSubmitted: (val) {
event.elevation = val; //Update Database
},
DataCell(
TextFormField(
readOnly: true,
initialValue: event.elevation,
onFieldSubmitted: (val) {
event.elevation = val; //Update Database
},
),
),
),
DataCell(
TextFormField(
readOnly: true,
controller: TextEditingController( //Required to update field here
DataCell(
TextFormField(
readOnly: true,
controller: TextEditingController( //Required to update field here
text: event.status,
),
onFieldSubmitted: (val) {
event.status = val; //Update Database
},
),
onFieldSubmitted: (val) {
event.status = val; //Update Database
},
),
),
],
),
],
],
),
],
),
),
),
),
),
bottomNavigationBar: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
mainAxisAlignment: MainAxisAlignment.end,
children: [
const SizedBox(width: 10),
Text(_sync_status),
FloatingActionButton.extended(
heroTag: null,
tooltip: 'Upload Events',
icon: null,
label: const Text('Sync'),
onPressed: () {
syncEvents();
},
const SizedBox(width: 50),
Container(
margin: const EdgeInsets.symmetric(vertical: 10.0),
child:
FloatingActionButton.extended(
heroTag: null,
tooltip: 'Upload Events',
icon: null,
label: const Text('Sync'),
onPressed: () {
syncEvents();
},
),
),
const SizedBox(width: 10.0),
],
),
);
......
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