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lollipopkit🏳️⚧️
273
lib/data/provider/server/all.dart
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273
lib/data/provider/server/all.dart
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import 'dart:async';
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import 'package:fl_lib/fl_lib.dart';
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import 'package:freezed_annotation/freezed_annotation.dart';
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import 'package:riverpod_annotation/riverpod_annotation.dart';
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import 'package:server_box/core/sync.dart';
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import 'package:server_box/data/model/server/server.dart';
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import 'package:server_box/data/model/server/server_private_info.dart';
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import 'package:server_box/data/model/server/try_limiter.dart';
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import 'package:server_box/data/provider/server/single.dart';
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import 'package:server_box/data/res/store.dart';
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import 'package:server_box/data/ssh/session_manager.dart';
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part 'all.freezed.dart';
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part 'all.g.dart';
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@freezed
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abstract class ServersState with _$ServersState {
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const factory ServersState({
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@Default({}) Map<String, Spi> servers,
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@Default([]) List<String> serverOrder,
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@Default(<String>{}) Set<String> tags,
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@Default(<String>{}) Set<String> manualDisconnectedIds,
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Timer? autoRefreshTimer,
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}) = _ServersState;
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}
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@Riverpod(keepAlive: true)
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class ServersNotifier extends _$ServersNotifier {
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@override
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ServersState build() {
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// Initialize with empty state, load data asynchronously
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Future.microtask(() => _load());
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return const ServersState();
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}
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Future<void> _load() async {
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final spis = Stores.server.fetch();
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final newServers = <String, Spi>{};
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final newServerOrder = <String>[];
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for (final spi in spis) {
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newServers[spi.id] = spi;
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}
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final serverOrder_ = Stores.setting.serverOrder.fetch();
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if (serverOrder_.isNotEmpty) {
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spis.reorder(order: serverOrder_, finder: (n, id) => n.id == id);
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newServerOrder.addAll(spis.map((e) => e.id));
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} else {
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newServerOrder.addAll(newServers.keys);
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}
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// Must use [equals] to compare [Order] here.
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if (!newServerOrder.equals(serverOrder_)) {
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Stores.setting.serverOrder.put(newServerOrder);
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}
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final newTags = _calculateTags(newServers);
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state = state.copyWith(servers: newServers, serverOrder: newServerOrder, tags: newTags);
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}
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Set<String> _calculateTags(Map<String, Spi> servers) {
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final tags = <String>{};
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for (final spi in servers.values) {
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final spiTags = spi.tags;
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if (spiTags == null) continue;
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for (final t in spiTags) {
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tags.add(t);
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}
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}
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return tags;
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}
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/// Get a [Spi] by [spi] or [id].
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///
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/// Priority: [spi] > [id]
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Spi? pick({Spi? spi, String? id}) {
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if (spi != null) {
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return state.servers[spi.id];
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}
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if (id != null) {
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return state.servers[id];
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}
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return null;
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}
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/// if [spi] is specificed then only refresh this server
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/// [onlyFailed] only refresh failed servers
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Future<void> refresh({Spi? spi, bool onlyFailed = false}) async {
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if (spi != null) {
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final newManualDisconnected = Set<String>.from(state.manualDisconnectedIds)..remove(spi.id);
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state = state.copyWith(manualDisconnectedIds: newManualDisconnected);
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final serverNotifier = ref.read(serverNotifierProvider(spi.id).notifier);
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await serverNotifier.refresh();
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return;
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}
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await Future.wait(
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state.servers.entries.map((entry) async {
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final serverId = entry.key;
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final spi = entry.value;
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if (onlyFailed) {
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final serverState = ref.read(serverNotifierProvider(serverId));
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if (serverState.conn != ServerConn.failed) return;
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TryLimiter.reset(serverId);
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}
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if (state.manualDisconnectedIds.contains(serverId)) return;
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final serverState = ref.read(serverNotifierProvider(serverId));
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if (serverState.conn == ServerConn.disconnected && !spi.autoConnect) {
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return;
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}
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final serverNotifier = ref.read(serverNotifierProvider(serverId).notifier);
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await serverNotifier.refresh();
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}),
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);
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}
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Future<void> startAutoRefresh() async {
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var duration = Stores.setting.serverStatusUpdateInterval.fetch();
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stopAutoRefresh();
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if (duration == 0) return;
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if (duration < 0 || duration > 10 || duration == 1) {
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duration = 3;
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Loggers.app.warning('Invalid duration: $duration, use default 3');
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}
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final timer = Timer.periodic(Duration(seconds: duration), (_) async {
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await refresh();
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});
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state = state.copyWith(autoRefreshTimer: timer);
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}
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void stopAutoRefresh() {
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final timer = state.autoRefreshTimer;
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if (timer != null) {
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timer.cancel();
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state = state.copyWith(autoRefreshTimer: null);
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}
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}
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bool get isAutoRefreshOn => state.autoRefreshTimer != null;
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void setDisconnected() {
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for (final serverId in state.servers.keys) {
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final serverNotifier = ref.read(serverNotifierProvider(serverId).notifier);
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serverNotifier.updateConnection(ServerConn.disconnected);
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// Update SSH session status to disconnected
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final sessionId = 'ssh_$serverId';
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TermSessionManager.updateStatus(sessionId, TermSessionStatus.disconnected);
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}
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//TryLimiter.clear();
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}
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void closeServer({String? id}) {
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if (id == null) {
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for (final serverId in state.servers.keys) {
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closeOneServer(serverId);
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}
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return;
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}
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closeOneServer(id);
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}
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void closeOneServer(String id) {
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final spi = state.servers[id];
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if (spi == null) {
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Loggers.app.warning('Server with id $id not found');
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return;
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}
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final serverNotifier = ref.read(serverNotifierProvider(id).notifier);
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serverNotifier.closeConnection();
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final newManualDisconnected = Set<String>.from(state.manualDisconnectedIds)..add(id);
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state = state.copyWith(manualDisconnectedIds: newManualDisconnected);
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// Remove SSH session when server is manually closed
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final sessionId = 'ssh_$id';
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TermSessionManager.remove(sessionId);
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}
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void addServer(Spi spi) {
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final newServers = Map<String, Spi>.from(state.servers);
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newServers[spi.id] = spi;
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final newOrder = List<String>.from(state.serverOrder)..add(spi.id);
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final newTags = _calculateTags(newServers);
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state = state.copyWith(servers: newServers, serverOrder: newOrder, tags: newTags);
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Stores.server.put(spi);
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Stores.setting.serverOrder.put(newOrder);
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refresh(spi: spi);
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bakSync.sync(milliDelay: 1000);
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}
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void delServer(String id) {
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final newServers = Map<String, Spi>.from(state.servers);
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newServers.remove(id);
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final newOrder = List<String>.from(state.serverOrder)..remove(id);
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final newTags = _calculateTags(newServers);
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state = state.copyWith(servers: newServers, serverOrder: newOrder, tags: newTags);
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Stores.setting.serverOrder.put(newOrder);
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Stores.server.delete(id);
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// Remove SSH session when server is deleted
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final sessionId = 'ssh_$id';
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TermSessionManager.remove(sessionId);
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bakSync.sync(milliDelay: 1000);
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}
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void deleteAll() {
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// Remove all SSH sessions before clearing servers
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for (final id in state.servers.keys) {
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final sessionId = 'ssh_$id';
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TermSessionManager.remove(sessionId);
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}
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state = const ServersState();
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Stores.setting.serverOrder.put([]);
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Stores.server.clear();
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bakSync.sync(milliDelay: 1000);
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}
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Future<void> updateServer(Spi old, Spi newSpi) async {
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if (old != newSpi) {
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Stores.server.update(old, newSpi);
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final newServers = Map<String, Spi>.from(state.servers);
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final newOrder = List<String>.from(state.serverOrder);
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if (newSpi.id != old.id) {
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newServers[newSpi.id] = newSpi;
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newServers.remove(old.id);
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newOrder.update(old.id, newSpi.id);
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Stores.setting.serverOrder.put(newOrder);
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// Update SSH session ID when server ID changes
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final oldSessionId = 'ssh_${old.id}';
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TermSessionManager.remove(oldSessionId);
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// Session will be re-added when reconnecting if necessary
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} else {
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newServers[old.id] = newSpi;
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// Update SPI in the corresponding IndividualServerNotifier
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final serverNotifier = ref.read(serverNotifierProvider(old.id).notifier);
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serverNotifier.updateSpi(newSpi);
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}
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final newTags = _calculateTags(newServers);
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state = state.copyWith(servers: newServers, serverOrder: newOrder, tags: newTags);
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// Only reconnect if neccessary
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if (newSpi.shouldReconnect(old)) {
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// Use [newSpi.id] instead of [old.id] because [old.id] may be changed
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TryLimiter.reset(newSpi.id);
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refresh(spi: newSpi);
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}
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}
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bakSync.sync(milliDelay: 1000);
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}
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}
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