implemented a comprehensive client-side demo mode triggered by a "demo@" username prefix, serving curated fixture data for all app modules

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2026-07-07 20:24:16 +02:00
parent 2668b111f1
commit 9b74c9fd81
45 changed files with 1409 additions and 43 deletions
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import '../../../model/account_data.dart';
import '../../marianumcloud/talk/chat/get_chat_response.dart';
import '../../marianumcloud/talk/room/get_room_response.dart';
import '../demo_persona.dart';
/// Fixtures for the Talk module while [DemoMode] is active: a curated set of
/// rooms plus a believable German conversation per room. Room tokens are the
/// join between [rooms] and [chat] — they must stay in sync.
class DemoTalk {
const DemoTalk._();
static const String tokenClass = 'demo-klasse-10b';
static const String tokenMathLk = 'demo-mathe-lk';
static const String tokenWeber = 'demo-herr-weber';
static const String tokenWeimar = 'demo-weimar';
static const String tokenSv = 'demo-sv';
static GetRoomResponse rooms() {
return GetRoomResponse({
_room(
id: 100,
token: tokenClass,
type: GetRoomResponseObjectConversationType.group,
name: 'Klasse 10b',
displayName: 'Klasse ${DemoPersona.className}',
lastMessage: _lastOf(tokenClass),
unreadMessages: 2,
isFavorite: true,
),
_room(
id: 200,
token: tokenMathLk,
type: GetRoomResponseObjectConversationType.group,
name: 'Mathe-LK',
displayName: 'Mathe-LK · Herr Müller',
lastMessage: _lastOf(tokenMathLk),
),
_room(
id: 300,
token: tokenWeber,
type: GetRoomResponseObjectConversationType.oneToOne,
name: 'weber',
displayName: 'Herr Weber',
lastMessage: _lastOf(tokenWeber),
unreadMessages: 1,
),
_room(
id: 400,
token: tokenWeimar,
type: GetRoomResponseObjectConversationType.group,
name: 'Fahrt nach Weimar',
displayName: 'Fahrt nach Weimar 🚌',
lastMessage: _lastOf(tokenWeimar),
),
_room(
id: 500,
token: tokenSv,
type: GetRoomResponseObjectConversationType.group,
name: 'SV',
displayName: 'SV Schülervertretung',
lastMessage: _lastOf(tokenSv),
),
});
}
static GetChatResponse chat(String token) =>
GetChatResponse(_messages(token).toSet());
static GetChatResponseObject _lastOf(String token) => _messages(token).last;
static List<GetChatResponseObject> _messages(String token) {
switch (token) {
case tokenClass:
return _classChat();
case tokenMathLk:
return _mathLkChat();
case tokenWeber:
return _weberChat();
case tokenWeimar:
return _weimarChat();
case tokenSv:
return _svChat();
default:
return _genericChat(token);
}
}
static List<GetChatResponseObject> _classChat() {
const token = tokenClass;
var base = 10000;
return [
_msg(
id: base + 1,
token: token,
actor: 'sophie',
display: 'Sophie',
ago: const Duration(days: 1, hours: 4),
message: 'Weiß jemand, was wir in Bio auf haben?',
),
_msg(
id: base + 2,
token: token,
actor: 'max',
display: 'Max',
ago: const Duration(days: 1, hours: 3, minutes: 55),
message: 'S. 42 Nr. 3 und 4, glaube ich',
),
_selfMsg(
id: base + 3,
token: token,
ago: const Duration(days: 1, hours: 3, minutes: 50),
message: 'Ja genau, und das Arbeitsblatt zur Zellteilung 🙌',
reactions: {'👍': 3},
),
_msg(
id: base + 4,
token: token,
actor: 'jonas',
display: 'Jonas',
ago: const Duration(days: 1, hours: 3, minutes: 40),
message: 'Danke euch! 🙏',
),
_msg(
id: base + 5,
token: token,
actor: 'emma',
display: 'Emma',
ago: const Duration(hours: 20),
message: 'Ist die Mathe-Arbeit jetzt am Donnerstag oder Freitag?',
),
_msg(
id: base + 6,
token: token,
actor: 'mueller',
display: 'Herr Müller',
ago: const Duration(hours: 19, minutes: 30),
message: 'Die Arbeit findet am Freitag in der 3. Stunde statt.',
),
_msg(
id: base + 7,
token: token,
actor: 'emma',
display: 'Emma',
ago: const Duration(hours: 19, minutes: 20),
message: 'Danke, Herr Müller!',
),
_msg(
id: base + 8,
token: token,
actor: 'paul',
display: 'Paul',
ago: const Duration(hours: 6),
message: 'Wer kommt morgen mit in die Mensa?',
),
_msg(
id: base + 9,
token: token,
actor: 'mia',
display: 'Mia',
ago: const Duration(hours: 5, minutes: 50),
message: 'Ich bin dabei 🍕',
),
_selfMsg(
id: base + 10,
token: token,
ago: const Duration(hours: 5, minutes: 45),
message: 'Ich auch!',
),
_msg(
id: base + 11,
token: token,
actor: 'sophie',
display: 'Sophie',
ago: const Duration(hours: 3),
message:
'Vergesst nicht, die Einverständniserklärung für Weimar abzugeben 🚌',
reactions: {'👍': 5, '🚌': 2},
),
_msg(
id: base + 12,
token: token,
actor: 'ben',
display: 'Ben',
ago: const Duration(hours: 2, minutes: 10),
message: 'Oh stimmt, hab ich fast vergessen 😅',
),
];
}
static List<GetChatResponseObject> _mathLkChat() {
const token = tokenMathLk;
var base = 20000;
return [
_msg(
id: base + 1,
token: token,
actor: 'mueller',
display: 'Herr Müller',
ago: const Duration(days: 2, hours: 2),
message:
'Zur Vorbereitung auf die Arbeit findet ihr die Übungsblätter in den Dateien.',
),
_selfMsg(
id: base + 2,
token: token,
ago: const Duration(days: 1, hours: 6),
message: 'Danke! Können wir Aufgabe 5 nächste Stunde nochmal besprechen?',
),
_msg(
id: base + 3,
token: token,
actor: 'mueller',
display: 'Herr Müller',
ago: const Duration(days: 1, hours: 5, minutes: 30),
message: 'Klar, wir schauen uns die Kurvendiskussion gemeinsam an.',
reactions: {'👍': 4},
),
_msg(
id: base + 4,
token: token,
actor: 'jonas',
display: 'Jonas',
ago: const Duration(hours: 8),
message: 'Super, danke!',
),
];
}
static List<GetChatResponseObject> _weberChat() {
const token = tokenWeber;
var base = 30000;
return [
_selfMsg(
id: base + 1,
token: token,
ago: const Duration(days: 1, hours: 2),
message:
'Guten Tag Herr Weber, ich war letzte Woche krank. Was muss ich in Englisch nachholen?',
),
_msg(
id: base + 2,
token: token,
actor: 'weber',
display: 'Herr Weber',
ago: const Duration(hours: 4),
message:
'Hallo Lena, gute Besserung! Lies bitte Unit 4 und bereite die Vokabeln vor.',
),
_msg(
id: base + 3,
token: token,
actor: 'weber',
display: 'Herr Weber',
ago: const Duration(hours: 3, minutes: 58),
message: 'Die Präsentation kannst du nächste Woche nachholen.',
),
];
}
static List<GetChatResponseObject> _weimarChat() {
const token = tokenWeimar;
var base = 40000;
return [
_msg(
id: base + 1,
token: token,
actor: 'wagner',
display: 'Frau Wagner',
ago: const Duration(days: 3),
message:
'Wir treffen uns am Montag um 7:45 Uhr am Haupteingang. Bitte pünktlich sein!',
reactions: {'👍': 8},
),
_msg(
id: base + 2,
token: token,
actor: 'paul',
display: 'Paul',
ago: const Duration(days: 2, hours: 20),
message: 'Wie lange sind wir ungefähr unterwegs?',
),
_msg(
id: base + 3,
token: token,
actor: 'wagner',
display: 'Frau Wagner',
ago: const Duration(days: 2, hours: 19),
message: 'Etwa zwei Stunden mit dem Bus. Denkt an Verpflegung!',
),
_selfMsg(
id: base + 4,
token: token,
ago: const Duration(hours: 12),
message: 'Freue mich schon! 🎉',
reactions: {'🎉': 6},
),
];
}
static List<GetChatResponseObject> _svChat() {
const token = tokenSv;
var base = 50000;
return [
_msg(
id: base + 1,
token: token,
actor: 'ben',
display: 'Ben',
ago: const Duration(days: 2, hours: 5),
message: 'Nächste SV-Sitzung ist am Mittwoch in der großen Pause.',
),
_msg(
id: base + 2,
token: token,
actor: 'mia',
display: 'Mia',
ago: const Duration(days: 1, hours: 8),
message: 'Können wir über den Ablauf vom Sommerfest sprechen?',
),
_selfMsg(
id: base + 3,
token: token,
ago: const Duration(hours: 9),
message: 'Gute Idee, ich sammle schon mal Vorschläge.',
reactions: {'👍': 3},
),
];
}
static List<GetChatResponseObject> _genericChat(String token) {
return [
_msg(
id: 90001,
token: token,
actor: 'info',
display: 'MarianumConnect',
ago: const Duration(hours: 1),
message: 'Willkommen im Demo-Chat 👋',
),
];
}
static GetChatResponseObject _selfMsg({
required int id,
required String token,
required Duration ago,
required String message,
Map<String, int>? reactions,
}) => _msg(
id: id,
token: token,
actor: AccountData().getUsername(),
display: DemoPersona.studentName,
ago: ago,
message: message,
reactions: reactions,
);
static GetChatResponseObject _msg({
required int id,
required String token,
required String actor,
required String display,
required Duration ago,
required String message,
Map<String, int>? reactions,
}) => GetChatResponseObject(
id,
token,
GetRoomResponseObjectMessageActorType.user,
actor,
display,
_epoch(ago),
'',
GetRoomResponseObjectMessageType.comment,
true,
'demo-ref-$id',
message,
null,
reactions,
null,
null,
);
static GetRoomResponseObject _room({
required int id,
required String token,
required GetRoomResponseObjectConversationType type,
required String name,
required String displayName,
required GetChatResponseObject lastMessage,
int unreadMessages = 0,
bool isFavorite = false,
}) => GetRoomResponseObject(
id,
token,
type,
name,
displayName,
'',
3,
0,
0,
0,
0,
'demo-session-$id',
false,
false,
0,
false,
false,
true,
lastMessage.timestamp,
isFavorite,
GetRoomResponseObjectParticipantNotificationLevel.defaultLevel,
unreadMessages,
false,
false,
lastMessage.id - unreadMessages,
lastMessage.id,
lastMessage,
null,
null,
null,
);
static int _epoch(Duration ago) =>
DateTime.now().subtract(ago).millisecondsSinceEpoch ~/ 1000;
}