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confirm_connection_button.dart
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confirm_connection_button.dart
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import 'package:Okuna/models/circle.dart';
import 'package:Okuna/models/user.dart';
import 'package:Okuna/provider.dart';
import 'package:Okuna/services/bottom_sheet.dart';
import 'package:Okuna/services/httpie.dart';
import 'package:Okuna/services/toast.dart';
import 'package:Okuna/services/user.dart';
import 'package:Okuna/widgets/buttons/button.dart';
import 'package:flutter/material.dart';
class OBConfirmConnectionButton extends StatefulWidget {
final User user;
OBConfirmConnectionButton(this.user);
@override
OBConfirmConnectionButtonState createState() {
return OBConfirmConnectionButtonState();
}
}
class OBConfirmConnectionButtonState extends State<OBConfirmConnectionButton> {
UserService _userService;
ToastService _toastService;
BottomSheetService _bottomSheetService;
bool _requestInProgress;
@override
void initState() {
super.initState();
_requestInProgress = false;
}
@override
Widget build(BuildContext context) {
var openbookProvider = OpenbookProvider.of(context);
_userService = openbookProvider.userService;
_toastService = openbookProvider.toastService;
_bottomSheetService = openbookProvider.bottomSheetService;
return StreamBuilder(
stream: widget.user.updateSubject,
initialData: widget.user,
builder: (BuildContext context, AsyncSnapshot<User> snapshot) {
var user = snapshot.data;
if (user?.isPendingConnectionConfirmation == null || !user.isConnected)
return const SizedBox();
return user.isPendingConnectionConfirmation
? _buildConfirmConnectionButton()
: _buildDisconnectButton();
},
);
}
Widget _buildConfirmConnectionButton() {
return OBButton(
child: Text(
'Confirm',
style: TextStyle(fontWeight: FontWeight.bold),
),
isLoading: _requestInProgress,
onPressed: _onWantsToConnectWithUser,
type: OBButtonType.success,
);
}
Widget _buildDisconnectButton() {
return OBButton(
child: Text(
'Disconnect',
style: TextStyle(fontWeight: FontWeight.bold),
),
isLoading: _requestInProgress,
onPressed: _disconnectFromUser,
type: OBButtonType.danger,
);
}
void _onWantsToConnectWithUser() {
_bottomSheetService.showConnectionsCirclesPicker(
context: context,
title: 'Confirm connection',
actionLabel: 'Connect',
onPickedCircles: _confirmConnectionWithUser);
}
Future _confirmConnectionWithUser(List<Circle> circles) async {
if (_requestInProgress) return;
_setRequestInProgress(true);
try {
await _userService.confirmConnectionWithUserWithUsername(
widget.user.username,
circles: circles);
if (!widget.user.isFollowing) widget.user.incrementFollowersCount();
_toastService.success(message: 'Connection confirmed', context: context);
} catch (error) {
_onError(error);
} finally {
_setRequestInProgress(false);
}
}
void _onError(error) async {
if (error is HttpieConnectionRefusedError) {
_toastService.error(
message: error.toHumanReadableMessage(), context: context);
} else if (error is HttpieRequestError) {
String errorMessage = await error.toHumanReadableMessage();
_toastService.error(message: errorMessage, context: context);
} else {
_toastService.error(message: 'Unknown error', context: context);
throw error;
}
}
Future _disconnectFromUser() async {
if (_requestInProgress) return;
_setRequestInProgress(true);
try {
await _userService.disconnectFromUserWithUsername(widget.user.username);
widget.user.decrementFollowersCount();
_toastService.success(
message: 'Disconnected successfully', context: context);
} catch (error) {
_onError(error);
} finally {
_setRequestInProgress(false);
}
}
void _setRequestInProgress(bool requestInProgress) {
setState(() {
_requestInProgress = requestInProgress;
});
}
}