error handling

.vscode/launch.json

@@ -21,6 +21,8 @@
                 "#community:federated.nexus",
                 "--successUri",
                 "https://federated.nexus/success",
+                "--failureUri",
+                "https://federated.nexus/failure",
                 "--botPasswordFile",
                 "secrets/botPassword.txt",
                 "--smtpPasswordFile",

bin/nexusbot.dart

@@ -17,6 +17,7 @@ void main(List<String> argsRaw) async {
   final parser = ConfigParser()
     ..addOption("socket", mandatory: true)
     ..addOption("homeserver", mandatory: true)
+    ..addOption("failureUri", mandatory: true)
     ..addOption("successUri", mandatory: true)
     ..addOption("name", mandatory: true)
     ..addOption("adminName", mandatory: true)
@@ -120,6 +121,8 @@ If you have any issues, reply to this email.""",
       .addMiddleware(logRequests())
       .addHandler(
         (Router()..post("/", (Request request) async {
+              final settings = container.read(SettingsController.provider)!;
+              try {
                 final body = await request.readAsString();
                 final registration = Registration.fromJson(
                   Uri.splitQueryString(
@@ -127,17 +130,18 @@ If you have any issues, reply to this email.""",
                   ).map((key, value) => MapEntry(key, value.toLowerCase())),
                 );
 
+                throw "test error";
+
                 final client = await container.read(
                   ClientController.provider.future,
                 );
 
-              final settings = container.read(SettingsController.provider)!;
+                final room = client.getRoomByAlias(settings.adminRoom)!;
-              final room = client.getRoomByAlias(settings.adminRoom);
                 final message =
                     """# Registration request
 - Username: `${registration.username}`
 - Email: `${registration.email}`""";
-              final event = await room!.sendEvent({
+                final event = await room.sendEvent({
                   "body": message,
                   "msgtype": MessageTypes.Text,
                   "format": "org.matrix.custom.html",
@@ -148,6 +152,17 @@ If you have any issues, reply to this email.""",
                 await room.sendReaction(event!, "✅");
 
                 return Response.found(settings.successUri);
+              } catch (error) {
+                final message = "An error occurred: $error";
+
+                try {
+                  final room = client.getRoomByAlias(settings.adminRoom)!;
+                  await room.sendTextEvent(message);
+                } catch (_) {
+                  print(message);
+                }
+                return Response.found(settings.failureUri);
+              }
             }))
             .call,
       );

lib/models/settings.dart

@@ -8,6 +8,7 @@ abstract class Settings with _$Settings {
   const factory Settings({
     required String socket,
     required Uri homeserver,
+    required Uri failureUri,
     required Uri successUri,
     required String name,
     required String adminName,

lib/models/settings.freezed.dart

@@ -16,7 +16,7 @@ T _$identity<T>(T value) => value;
 /// @nodoc
 mixin _$Settings {
 
- String get socket; Uri get homeserver; Uri get successUri; String get name; String get adminName; String get adminRoom; String get email; String get mailName; String? get inviteTo; String get mailDomain; String get smtpPasswordFile; String get botPasswordFile;
+ String get socket; Uri get homeserver; Uri get failureUri; Uri get successUri; String get name; String get adminName; String get adminRoom; String get email; String get mailName; String? get inviteTo; String get mailDomain; String get smtpPasswordFile; String get botPasswordFile;
 /// Create a copy of Settings
 /// with the given fields replaced by the non-null parameter values.
 @JsonKey(includeFromJson: false, includeToJson: false)
@@ -29,16 +29,16 @@ $SettingsCopyWith<Settings> get copyWith => _$SettingsCopyWithImpl<Settings>(thi
 
 @override
 bool operator ==(Object other) {
-  return identical(this, other) || (other.runtimeType == runtimeType&&other is Settings&&(identical(other.socket, socket) || other.socket == socket)&&(identical(other.homeserver, homeserver) || other.homeserver == homeserver)&&(identical(other.successUri, successUri) || other.successUri == successUri)&&(identical(other.name, name) || other.name == name)&&(identical(other.adminName, adminName) || other.adminName == adminName)&&(identical(other.adminRoom, adminRoom) || other.adminRoom == adminRoom)&&(identical(other.email, email) || other.email == email)&&(identical(other.mailName, mailName) || other.mailName == mailName)&&(identical(other.inviteTo, inviteTo) || other.inviteTo == inviteTo)&&(identical(other.mailDomain, mailDomain) || other.mailDomain == mailDomain)&&(identical(other.smtpPasswordFile, smtpPasswordFile) || other.smtpPasswordFile == smtpPasswordFile)&&(identical(other.botPasswordFile, botPasswordFile) || other.botPasswordFile == botPasswordFile));
+  return identical(this, other) || (other.runtimeType == runtimeType&&other is Settings&&(identical(other.socket, socket) || other.socket == socket)&&(identical(other.homeserver, homeserver) || other.homeserver == homeserver)&&(identical(other.failureUri, failureUri) || other.failureUri == failureUri)&&(identical(other.successUri, successUri) || other.successUri == successUri)&&(identical(other.name, name) || other.name == name)&&(identical(other.adminName, adminName) || other.adminName == adminName)&&(identical(other.adminRoom, adminRoom) || other.adminRoom == adminRoom)&&(identical(other.email, email) || other.email == email)&&(identical(other.mailName, mailName) || other.mailName == mailName)&&(identical(other.inviteTo, inviteTo) || other.inviteTo == inviteTo)&&(identical(other.mailDomain, mailDomain) || other.mailDomain == mailDomain)&&(identical(other.smtpPasswordFile, smtpPasswordFile) || other.smtpPasswordFile == smtpPasswordFile)&&(identical(other.botPasswordFile, botPasswordFile) || other.botPasswordFile == botPasswordFile));
 }
 
 @JsonKey(includeFromJson: false, includeToJson: false)
 @override
-int get hashCode => Object.hash(runtimeType,socket,homeserver,successUri,name,adminName,adminRoom,email,mailName,inviteTo,mailDomain,smtpPasswordFile,botPasswordFile);
+int get hashCode => Object.hash(runtimeType,socket,homeserver,failureUri,successUri,name,adminName,adminRoom,email,mailName,inviteTo,mailDomain,smtpPasswordFile,botPasswordFile);
 
 @override
 String toString() {
-  return 'Settings(socket: $socket, homeserver: $homeserver, successUri: $successUri, name: $name, adminName: $adminName, adminRoom: $adminRoom, email: $email, mailName: $mailName, inviteTo: $inviteTo, mailDomain: $mailDomain, smtpPasswordFile: $smtpPasswordFile, botPasswordFile: $botPasswordFile)';
+  return 'Settings(socket: $socket, homeserver: $homeserver, failureUri: $failureUri, successUri: $successUri, name: $name, adminName: $adminName, adminRoom: $adminRoom, email: $email, mailName: $mailName, inviteTo: $inviteTo, mailDomain: $mailDomain, smtpPasswordFile: $smtpPasswordFile, botPasswordFile: $botPasswordFile)';
 }
 
 
@@ -49,7 +49,7 @@ abstract mixin class $SettingsCopyWith<$Res>  {
   factory $SettingsCopyWith(Settings value, $Res Function(Settings) _then) = _$SettingsCopyWithImpl;
 @useResult
 $Res call({
- String socket, Uri homeserver, Uri successUri, String name, String adminName, String adminRoom, String email, String mailName, String? inviteTo, String mailDomain, String smtpPasswordFile, String botPasswordFile
+ String socket, Uri homeserver, Uri failureUri, Uri successUri, String name, String adminName, String adminRoom, String email, String mailName, String? inviteTo, String mailDomain, String smtpPasswordFile, String botPasswordFile
 });
 
 
@@ -66,10 +66,11 @@ class _$SettingsCopyWithImpl<$Res>
 
 /// Create a copy of Settings
 /// with the given fields replaced by the non-null parameter values.
-@pragma('vm:prefer-inline') @override $Res call({Object? socket = null,Object? homeserver = null,Object? successUri = null,Object? name = null,Object? adminName = null,Object? adminRoom = null,Object? email = null,Object? mailName = null,Object? inviteTo = freezed,Object? mailDomain = null,Object? smtpPasswordFile = null,Object? botPasswordFile = null,}) {
+@pragma('vm:prefer-inline') @override $Res call({Object? socket = null,Object? homeserver = null,Object? failureUri = null,Object? successUri = null,Object? name = null,Object? adminName = null,Object? adminRoom = null,Object? email = null,Object? mailName = null,Object? inviteTo = freezed,Object? mailDomain = null,Object? smtpPasswordFile = null,Object? botPasswordFile = null,}) {
   return _then(_self.copyWith(
 socket: null == socket ? _self.socket : socket // ignore: cast_nullable_to_non_nullable
 as String,homeserver: null == homeserver ? _self.homeserver : homeserver // ignore: cast_nullable_to_non_nullable
+as Uri,failureUri: null == failureUri ? _self.failureUri : failureUri // ignore: cast_nullable_to_non_nullable
 as Uri,successUri: null == successUri ? _self.successUri : successUri // ignore: cast_nullable_to_non_nullable
 as Uri,name: null == name ? _self.name : name // ignore: cast_nullable_to_non_nullable
 as String,adminName: null == adminName ? _self.adminName : adminName // ignore: cast_nullable_to_non_nullable
@@ -91,11 +92,12 @@ as String,
 @JsonSerializable()
 
 class _Settings implements Settings {
-  const _Settings({required this.socket, required this.homeserver, required this.successUri, required this.name, required this.adminName, required this.adminRoom, required this.email, required this.mailName, required this.inviteTo, required this.mailDomain, required this.smtpPasswordFile, required this.botPasswordFile});
+  const _Settings({required this.socket, required this.homeserver, required this.failureUri, required this.successUri, required this.name, required this.adminName, required this.adminRoom, required this.email, required this.mailName, required this.inviteTo, required this.mailDomain, required this.smtpPasswordFile, required this.botPasswordFile});
   factory _Settings.fromJson(Map<String, dynamic> json) => _$SettingsFromJson(json);
 
 @override final  String socket;
 @override final  Uri homeserver;
+@override final  Uri failureUri;
 @override final  Uri successUri;
 @override final  String name;
 @override final  String adminName;
@@ -120,16 +122,16 @@ Map<String, dynamic> toJson() {
 
 @override
 bool operator ==(Object other) {
-  return identical(this, other) || (other.runtimeType == runtimeType&&other is _Settings&&(identical(other.socket, socket) || other.socket == socket)&&(identical(other.homeserver, homeserver) || other.homeserver == homeserver)&&(identical(other.successUri, successUri) || other.successUri == successUri)&&(identical(other.name, name) || other.name == name)&&(identical(other.adminName, adminName) || other.adminName == adminName)&&(identical(other.adminRoom, adminRoom) || other.adminRoom == adminRoom)&&(identical(other.email, email) || other.email == email)&&(identical(other.mailName, mailName) || other.mailName == mailName)&&(identical(other.inviteTo, inviteTo) || other.inviteTo == inviteTo)&&(identical(other.mailDomain, mailDomain) || other.mailDomain == mailDomain)&&(identical(other.smtpPasswordFile, smtpPasswordFile) || other.smtpPasswordFile == smtpPasswordFile)&&(identical(other.botPasswordFile, botPasswordFile) || other.botPasswordFile == botPasswordFile));
+  return identical(this, other) || (other.runtimeType == runtimeType&&other is _Settings&&(identical(other.socket, socket) || other.socket == socket)&&(identical(other.homeserver, homeserver) || other.homeserver == homeserver)&&(identical(other.failureUri, failureUri) || other.failureUri == failureUri)&&(identical(other.successUri, successUri) || other.successUri == successUri)&&(identical(other.name, name) || other.name == name)&&(identical(other.adminName, adminName) || other.adminName == adminName)&&(identical(other.adminRoom, adminRoom) || other.adminRoom == adminRoom)&&(identical(other.email, email) || other.email == email)&&(identical(other.mailName, mailName) || other.mailName == mailName)&&(identical(other.inviteTo, inviteTo) || other.inviteTo == inviteTo)&&(identical(other.mailDomain, mailDomain) || other.mailDomain == mailDomain)&&(identical(other.smtpPasswordFile, smtpPasswordFile) || other.smtpPasswordFile == smtpPasswordFile)&&(identical(other.botPasswordFile, botPasswordFile) || other.botPasswordFile == botPasswordFile));
 }
 
 @JsonKey(includeFromJson: false, includeToJson: false)
 @override
-int get hashCode => Object.hash(runtimeType,socket,homeserver,successUri,name,adminName,adminRoom,email,mailName,inviteTo,mailDomain,smtpPasswordFile,botPasswordFile);
+int get hashCode => Object.hash(runtimeType,socket,homeserver,failureUri,successUri,name,adminName,adminRoom,email,mailName,inviteTo,mailDomain,smtpPasswordFile,botPasswordFile);
 
 @override
 String toString() {
-  return 'Settings(socket: $socket, homeserver: $homeserver, successUri: $successUri, name: $name, adminName: $adminName, adminRoom: $adminRoom, email: $email, mailName: $mailName, inviteTo: $inviteTo, mailDomain: $mailDomain, smtpPasswordFile: $smtpPasswordFile, botPasswordFile: $botPasswordFile)';
+  return 'Settings(socket: $socket, homeserver: $homeserver, failureUri: $failureUri, successUri: $successUri, name: $name, adminName: $adminName, adminRoom: $adminRoom, email: $email, mailName: $mailName, inviteTo: $inviteTo, mailDomain: $mailDomain, smtpPasswordFile: $smtpPasswordFile, botPasswordFile: $botPasswordFile)';
 }
 
 
@@ -140,7 +142,7 @@ abstract mixin class _$SettingsCopyWith<$Res> implements $SettingsCopyWith<$Res>
   factory _$SettingsCopyWith(_Settings value, $Res Function(_Settings) _then) = __$SettingsCopyWithImpl;
 @override @useResult
 $Res call({
- String socket, Uri homeserver, Uri successUri, String name, String adminName, String adminRoom, String email, String mailName, String? inviteTo, String mailDomain, String smtpPasswordFile, String botPasswordFile
+ String socket, Uri homeserver, Uri failureUri, Uri successUri, String name, String adminName, String adminRoom, String email, String mailName, String? inviteTo, String mailDomain, String smtpPasswordFile, String botPasswordFile
 });
 
 
@@ -157,10 +159,11 @@ class __$SettingsCopyWithImpl<$Res>
 
 /// Create a copy of Settings
 /// with the given fields replaced by the non-null parameter values.
-@override @pragma('vm:prefer-inline') $Res call({Object? socket = null,Object? homeserver = null,Object? successUri = null,Object? name = null,Object? adminName = null,Object? adminRoom = null,Object? email = null,Object? mailName = null,Object? inviteTo = freezed,Object? mailDomain = null,Object? smtpPasswordFile = null,Object? botPasswordFile = null,}) {
+@override @pragma('vm:prefer-inline') $Res call({Object? socket = null,Object? homeserver = null,Object? failureUri = null,Object? successUri = null,Object? name = null,Object? adminName = null,Object? adminRoom = null,Object? email = null,Object? mailName = null,Object? inviteTo = freezed,Object? mailDomain = null,Object? smtpPasswordFile = null,Object? botPasswordFile = null,}) {
   return _then(_Settings(
 socket: null == socket ? _self.socket : socket // ignore: cast_nullable_to_non_nullable
 as String,homeserver: null == homeserver ? _self.homeserver : homeserver // ignore: cast_nullable_to_non_nullable
+as Uri,failureUri: null == failureUri ? _self.failureUri : failureUri // ignore: cast_nullable_to_non_nullable
 as Uri,successUri: null == successUri ? _self.successUri : successUri // ignore: cast_nullable_to_non_nullable
 as Uri,name: null == name ? _self.name : name // ignore: cast_nullable_to_non_nullable
 as String,adminName: null == adminName ? _self.adminName : adminName // ignore: cast_nullable_to_non_nullable

lib/models/settings.g.dart

@@ -9,6 +9,7 @@ part of 'settings.dart';
 _Settings _$SettingsFromJson(Map<String, dynamic> json) => _Settings(
   socket: json['socket'] as String,
   homeserver: Uri.parse(json['homeserver'] as String),
+  failureUri: Uri.parse(json['failureUri'] as String),
   successUri: Uri.parse(json['successUri'] as String),
   name: json['name'] as String,
   adminName: json['adminName'] as String,
@@ -24,6 +25,7 @@ _Settings _$SettingsFromJson(Map<String, dynamic> json) => _Settings(
 Map<String, dynamic> _$SettingsToJson(_Settings instance) => <String, dynamic>{
   'socket': instance.socket,
   'homeserver': instance.homeserver.toString(),
+  'failureUri': instance.failureUri.toString(),
   'successUri': instance.successUri.toString(),
   'name': instance.name,
   'adminName': instance.adminName,