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feat: Introduce QR Scanning to add new node (#1007)

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* feat: Introduce QR Scanning to add new node

* fix: Exception handing for scan qr and invalid qr value

* fix: Exception handing for scan qr and invalid qr value
This commit is contained in:
Adegoke David 2023-08-04 12:27:19 +01:00 committed by GitHub
parent 76322a1777
commit e9df03b49b
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 64 additions and 2 deletions
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13
lib/src/screens/nodes/node_create_or_edit_page.dart
View file

@ -66,6 +66,19 @@ class NodeCreateOrEditPage extends BasePage {
@override
String get title => editingNode != null ? S.current.edit_node : S.current.node_new;
@override
Widget trailing(BuildContext context) => IconButton(
onPressed: () async {
await nodeCreateOrEditViewModel.scanQRCodeForNewNode();
},
splashColor: Colors.transparent,
highlightColor: Colors.transparent,
hoverColor: Colors.transparent,
icon: Image.asset(
'assets/images/qr_code_icon.png',
),
);
final NodeCreateOrEditViewModel nodeCreateOrEditViewModel;
final Node? editingNode;
final bool? isSelected;

11
lib/src/screens/nodes/widgets/node_form.dart
View file

@ -44,6 +44,17 @@ class NodeForm extends StatelessWidget {
}
});
}
reaction((_) => nodeViewModel.address, (String address) {
if (address != _addressController.text) {
_addressController.text = address;
}
});
reaction((_) => nodeViewModel.port, (String port) {
if (port != _portController.text) {
_portController.text = port;
}
});
_addressController.addListener(() => nodeViewModel.address = _addressController.text);
_portController.addListener(() => nodeViewModel.port = _portController.text);

42
lib/view_model/node_list/node_create_or_edit_view_model.dart
View file

@ -1,4 +1,5 @@
import 'package:cake_wallet/core/execution_state.dart';
import 'package:cake_wallet/entities/qr_scanner.dart';
import 'package:cake_wallet/store/settings_store.dart';
import 'package:hive/hive.dart';
import 'package:mobx/mobx.dart';
@ -8,10 +9,12 @@ import 'package:collection/collection.dart';
part 'node_create_or_edit_view_model.g.dart';
class NodeCreateOrEditViewModel = NodeCreateOrEditViewModelBase with _$NodeCreateOrEditViewModel;
class NodeCreateOrEditViewModel = NodeCreateOrEditViewModelBase
with _$NodeCreateOrEditViewModel;
abstract class NodeCreateOrEditViewModelBase with Store {
NodeCreateOrEditViewModelBase(this._nodeSource, this._walletType, this._settingsStore)
NodeCreateOrEditViewModelBase(
this._nodeSource, this._walletType, this._settingsStore)
: state = InitialExecutionState(),
connectionState = InitialExecutionState(),
useSSL = false,
@ -170,4 +173,39 @@ abstract class NodeCreateOrEditViewModelBase with Store {
@action
void setAsCurrent(Node node) => _settingsStore.nodes[_walletType] = node;
@action
Future<void> scanQRCodeForNewNode() async {
try {
String code = await presentQRScanner();
if (code.isEmpty) {
throw Exception('Unexpected scan QR code value: value is empty');
}
final uri = Uri.tryParse(code);
if (uri == null) {
throw Exception('Unexpected scan QR code value: Value is invalid');
}
final userInfo = uri.userInfo.split(':');
if (userInfo.length < 2) {
throw Exception('Unexpected scan QR code value: Value is invalid');
}
final rpcUser = userInfo[0];
final rpcPassword = userInfo[1];
final ipAddress = uri.host;
final port = uri.port.toString();
setAddress(ipAddress);
setPassword(rpcPassword);
setLogin(rpcUser);
setPort(port);
} on Exception catch (e) {
connectionState = FailureState(e.toString());
}
}
}