54 lines
1.6 KiB
Dart
54 lines
1.6 KiB
Dart
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import 'package:flutter/foundation.dart';
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/// Subset of the backend `/api/config` response the app cares about.
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@immutable
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class BackendConfig {
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const BackendConfig({this.enableWebsocket});
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/// Mirrors `features.enable_websocket` from OpenWebUI.
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final bool? enableWebsocket;
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/// Returns a copy with updated fields.
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BackendConfig copyWith({bool? enableWebsocket}) {
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return BackendConfig(
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enableWebsocket: enableWebsocket ?? this.enableWebsocket,
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);
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}
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/// Whether the backend only allows WebSocket transport.
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bool get websocketOnly => enableWebsocket == true;
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/// Whether the backend only allows HTTP polling transport.
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bool get pollingOnly => enableWebsocket == false;
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/// Whether the backend permits choosing WebSocket-only mode.
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bool get supportsWebsocketOnly => !pollingOnly;
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/// Whether the backend permits choosing polling fallback.
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bool get supportsPolling => !websocketOnly;
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/// Returns the enforced transport mode derived from backend policy.
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String? get enforcedTransportMode {
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if (websocketOnly) return 'ws';
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if (pollingOnly) return 'polling';
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return null;
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}
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Map<String, dynamic> toJson() {
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return <String, dynamic>{'enable_websocket': enableWebsocket};
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}
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static BackendConfig fromJson(Map<String, dynamic> json) {
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bool? enableWebsocket;
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final features = json['features'];
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if (features is Map<String, dynamic>) {
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final value = features['enable_websocket'];
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if (value is bool) {
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enableWebsocket = value;
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}
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}
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return BackendConfig(enableWebsocket: enableWebsocket);
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}
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}
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