selfpass/client/lib/screens/credential.dart

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import 'package:flutter/cupertino.dart';
import 'package:flutter/services.dart';
import 'package:otp/otp.dart';
import 'package:provider/provider.dart';
import '../types/abstracts.dart';
import '../types/credential.dart' as types;
import '../widgets/text_field.dart';
class Credential extends StatefulWidget {
final types.Credential credential;
const Credential(this.credential, {Key key}) : super(key: key);
@override
State createState() => _CredentialState(credential);
}
class _CredentialState extends State<Credential> {
_CredentialControllers controllers;
Map<String, _FieldBuildConfig> fieldMap;
types.Credential credential;
CredentialsRepo client;
_CredentialState(this.credential) : super() {
controllers = _CredentialControllers.fromCredential(credential);
}
@override
void didChangeDependencies() {
super.didChangeDependencies();
client = Provider.of<CredentialsRepo>(context);
}
@override
Widget build(BuildContext context) {
return CupertinoPageScaffold(
navigationBar: CupertinoNavigationBar(
trailing: CupertinoButton(
child: Text(
'Delete',
style: TextStyle(color: CupertinoColors.destructiveRed),
),
onPressed: makeDeleteHandler(context),
padding: EdgeInsets.zero,
),
),
child: Container(
padding: const EdgeInsets.only(top: 15, bottom: 30, left: 30),
child: ListView(
children: buildFieldRows(context),
),
),
);
}
Function makeDeleteHandler(BuildContext context) {
return () {
showCupertinoDialog(
context: context,
builder: (BuildContext context) => CupertinoAlertDialog(
content: Text('Are you sure you want to delete this credential?'),
actions: <Widget>[
CupertinoDialogAction(
child: Text('No'),
isDefaultAction: true,
onPressed: () {
Navigator.of(context).pop();
},
),
CupertinoDialogAction(
child: Text('Yes'),
isDestructiveAction: true,
onPressed: () async {
await client.delete(credential.meta.id);
Navigator.of(context).pushNamedAndRemoveUntil(
'/home',
ModalRoute.withName('/home'),
);
},
),
],
),
);
};
}
List<Widget> buildFieldRows(BuildContext context) {
List<Widget> rows = [];
fieldMap = buildFieldMap(controllers, credential);
fieldMap.forEach((String prefix, _FieldBuildConfig config) {
rows.add(Container(
margin: EdgeInsets.only(top: 2.5),
child: Text(prefix, style: TextStyle(fontWeight: FontWeight.w600)),
));
final List<Widget> widgets = [
Expanded(
flex: 3,
child: config.mutable
? TextField(
maxLines: 1,
controller: config.controller,
obscure: config.obscured)
: Container(
margin: EdgeInsets.symmetric(vertical: 10),
child: Text(config.text)),
),
];
if (config.copyable) {
widgets.add(Expanded(
child: CupertinoButton(
child: Text(config.otp ? 'OTP' : 'Copy'),
onPressed: () => Clipboard.setData(ClipboardData(
text: config.otp
? OTP
.generateTOTPCode(config.controller.text,
DateTime.now().millisecondsSinceEpoch)
.toString()
: config.mutable ? config.controller.text : config.text,
)),
),
));
}
rows.add(Row(children: widgets));
});
return rows;
}
Map<String, _FieldBuildConfig> buildFieldMap(
_CredentialControllers controllers,
types.Credential credential,
) {
final fieldMap = {
'Id:': _FieldBuildConfig(mutable: false, text: credential.meta.id),
'Created:': _FieldBuildConfig(
mutable: false,
copyable: false,
text: credential.meta.createdAt.toString(),
),
'Updated:': _FieldBuildConfig(
mutable: false,
copyable: false,
text: credential.meta.updatedAt.toString(),
),
'Host:': _FieldBuildConfig(controller: controllers.sourceHost),
'Primary:': _FieldBuildConfig(controller: controllers.primary),
};
if (credential.meta.tag?.isNotEmpty ?? false) {
fieldMap['Tag'] = _FieldBuildConfig(controller: controllers.tag);
}
if (credential.username?.isNotEmpty ?? false) {
fieldMap['User:'] = _FieldBuildConfig(controller: controllers.username);
}
if (credential.email?.isNotEmpty ?? false) {
fieldMap['Email:'] = _FieldBuildConfig(controller: controllers.email);
}
fieldMap['Password:'] =
_FieldBuildConfig(controller: controllers.password, obscured: true);
if (credential.otpSecret?.isNotEmpty ?? false) {
fieldMap['OTP Key:'] = _FieldBuildConfig(
controller: controllers.otpSecret, obscured: true, otp: true);
}
return fieldMap;
}
}
class _FieldBuildConfig {
final TextEditingController controller;
final String text;
final bool mutable;
final bool copyable;
final bool obscured;
final bool otp;
const _FieldBuildConfig({
this.mutable = true,
this.copyable = true,
this.obscured = false,
this.otp = false,
this.controller,
this.text,
});
}
class _CredentialControllers {
final TextEditingController sourceHost;
final TextEditingController primary;
final TextEditingController tag;
final TextEditingController username;
final TextEditingController email;
final TextEditingController password;
final TextEditingController otpSecret;
const _CredentialControllers({
this.sourceHost,
this.primary,
this.tag,
this.username,
this.email,
this.password,
this.otpSecret,
});
factory _CredentialControllers.fromCredential(types.Credential credential) =>
_CredentialControllers(
sourceHost: TextEditingController(text: credential.meta.sourceHost),
primary: TextEditingController(text: credential.meta.primary),
tag: TextEditingController(text: credential.meta.tag),
username: TextEditingController(text: credential.username),
email: TextEditingController(text: credential.email),
password: TextEditingController(text: credential.password),
otpSecret: TextEditingController(text: credential.otpSecret),
);
}