mirror of
https://gitlab.com/veilid/veilidchat.git
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refactor
This commit is contained in:
Christien Rioux
parent
2ccad50f9a
commit
360ba436f8
29 changed files with 501 additions and 317 deletions
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@ -27,15 +27,19 @@ const metadataKeyAttachments = 'attachments';
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class ChatComponentCubit extends Cubit<ChatComponentState> {
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ChatComponentCubit._({
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required Locator locator,
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required List<ActiveConversationCubit> conversationCubits,
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required SingleContactMessagesCubit messagesCubit,
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required types.User localUser,
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required IMap<TypedKey, types.User> remoteUsers,
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}) : _messagesCubit = messagesCubit,
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}) : _locator = locator,
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_conversationCubits = conversationCubits,
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_messagesCubit = messagesCubit,
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super(ChatComponentState(
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chatKey: GlobalKey<ChatState>(),
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scrollController: AutoScrollController(),
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localUser: localUser,
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remoteUsers: remoteUsers,
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localUser: null,
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remoteUsers: const IMap.empty(),
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historicalRemoteUsers: const IMap.empty(),
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unknownUsers: const IMap.empty(),
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messageWindow: const AsyncLoading(),
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title: '',
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)) {
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@ -43,58 +47,40 @@ class ChatComponentCubit extends Cubit<ChatComponentState> {
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_initWait.add(_init);
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}
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// ignore: prefer_constructors_over_static_methods
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static ChatComponentCubit singleContact(
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{required Locator locator,
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required ActiveConversationCubit activeConversationCubit,
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required SingleContactMessagesCubit messagesCubit}) {
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// Get account info
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final unlockedAccountInfo =
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locator<ActiveAccountInfoCubit>().state.unlockedAccountInfo!;
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final account = locator<AccountRecordCubit>().state.asData!.value;
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// Make local 'User'
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final localUserIdentityKey = unlockedAccountInfo.identityTypedPublicKey;
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final localUser = types.User(
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id: localUserIdentityKey.toString(),
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firstName: account.profile.name,
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metadata: {metadataKeyIdentityPublicKey: localUserIdentityKey});
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// Make remote 'User's
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final remoteUsers = {
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activeConversationState.contact.identityPublicKey.toVeilid(): types.User(
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id: activeConversationState.contact.identityPublicKey
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.toVeilid()
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.toString(),
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firstName: activeConversationState.contact.displayName,
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metadata: {
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metadataKeyIdentityPublicKey:
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activeConversationState.contact.identityPublicKey.toVeilid()
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})
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}.toIMap();
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return ChatComponentCubit._(
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messagesCubit: messagesCubit,
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localUser: localUser,
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remoteUsers: remoteUsers,
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);
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}
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factory ChatComponentCubit.singleContact(
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{required Locator locator,
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required ActiveConversationCubit activeConversationCubit,
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required SingleContactMessagesCubit messagesCubit}) =>
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ChatComponentCubit._(
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locator: locator,
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conversationCubits: [activeConversationCubit],
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messagesCubit: messagesCubit,
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);
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Future<void> _init() async {
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_messagesSubscription = _messagesCubit.stream.listen((messagesState) {
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emit(state.copyWith(
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messageWindow: _convertMessages(messagesState),
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));
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});
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emit(state.copyWith(
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messageWindow: _convertMessages(_messagesCubit.state),
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title: _getTitle(),
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));
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// Get local user info and account record cubit
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final unlockedAccountInfo =
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_locator<AccountInfoCubit>().state.unlockedAccountInfo!;
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_localUserIdentityKey = unlockedAccountInfo.identityTypedPublicKey;
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_localUserAccountRecordCubit = _locator<AccountRecordCubit>();
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// Subscribe to local user info
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_localUserAccountRecordSubscription = _localUserAccountRecordCubit.stream
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.listen(_onChangedLocalUserAccountRecord);
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_onChangedLocalUserAccountRecord(_localUserAccountRecordCubit.state);
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// Subscribe to remote user info
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await _updateConversationSubscriptions();
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// Subscribe to messages
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_messagesSubscription = _messagesCubit.stream.listen(_onChangedMessages);
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_onChangedMessages(_messagesCubit.state);
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}
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@override
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Future<void> close() async {
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await _initWait();
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await _localUserAccountRecordSubscription.cancel();
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await _messagesSubscription.cancel();
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await super.close();
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}
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@ -159,23 +145,130 @@ class ChatComponentCubit extends Cubit<ChatComponentState> {
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////////////////////////////////////////////////////////////////////////////
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// Private Implementation
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String _getTitle() {
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if (state.remoteUsers.length == 1) {
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final remoteUser = state.remoteUsers.values.first;
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return remoteUser.firstName ?? '<unnamed>';
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} else {
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return '<group chat with ${state.remoteUsers.length} users>';
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void _onChangedLocalUserAccountRecord(AsyncValue<proto.Account> avAccount) {
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final account = avAccount.asData?.value;
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if (account == null) {
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emit(state.copyWith(localUser: null));
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return;
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}
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// Make local 'User'
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final localUser = types.User(
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id: _localUserIdentityKey.toString(),
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firstName: account.profile.name,
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metadata: {metadataKeyIdentityPublicKey: _localUserIdentityKey});
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emit(state.copyWith(localUser: localUser));
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}
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types.Message? _messageStateToChatMessage(MessageState message) {
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void _onChangedMessages(
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AsyncValue<WindowState<MessageState>> avMessagesState) {
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emit(_convertMessages(state, avMessagesState));
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}
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void _onChangedConversation(
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TypedKey remoteIdentityPublicKey,
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AsyncValue<ActiveConversationState> avConversationState,
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) {
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//
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}
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types.User _convertRemoteUser(TypedKey remoteIdentityPublicKey,
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ActiveConversationState activeConversationState) =>
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types.User(
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id: remoteIdentityPublicKey.toString(),
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firstName: activeConversationState.contact.displayName,
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metadata: {metadataKeyIdentityPublicKey: remoteIdentityPublicKey});
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types.User _convertUnknownUser(TypedKey remoteIdentityPublicKey) =>
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types.User(
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id: remoteIdentityPublicKey.toString(),
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firstName: '<$remoteIdentityPublicKey>',
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metadata: {metadataKeyIdentityPublicKey: remoteIdentityPublicKey});
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Future<void> _updateConversationSubscriptions() async {
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// Get existing subscription keys and state
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final existing = _conversationSubscriptions.keys.toList();
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var currentRemoteUsersState = state.remoteUsers;
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// Process cubit list
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for (final cc in _conversationCubits) {
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// Get the remote identity key
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final remoteIdentityPublicKey = cc.input.remoteIdentityPublicKey;
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// If the cubit is already being listened to we have nothing to do
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if (existing.remove(remoteIdentityPublicKey)) {
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continue;
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}
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// If the cubit is not already being listened to we should do that
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_conversationSubscriptions[remoteIdentityPublicKey] = cc.stream.listen(
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(avConv) => _onChangedConversation(remoteIdentityPublicKey, avConv));
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final activeConversationState = cc.state.asData?.value;
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if (activeConversationState != null) {
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final remoteUser = _convertRemoteUser(
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remoteIdentityPublicKey, activeConversationState);
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currentRemoteUsersState =
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currentRemoteUsersState.add(remoteIdentityPublicKey, remoteUser);
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}
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}
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// Purge remote users we didn't see in the cubit list any more
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final cancels = <Future<void>>[];
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for (final deadUser in existing) {
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currentRemoteUsersState = currentRemoteUsersState.remove(deadUser);
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cancels.add(_conversationSubscriptions.remove(deadUser)!.cancel());
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}
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await cancels.wait;
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// Emit change to remote users state
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emit(_updateTitle(state.copyWith(remoteUsers: currentRemoteUsersState)));
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}
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ChatComponentState _updateTitle(ChatComponentState currentState) {
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if (currentState.remoteUsers.length == 0) {
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return currentState.copyWith(title: 'Empty Chat');
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}
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if (currentState.remoteUsers.length == 1) {
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final remoteUser = currentState.remoteUsers.values.first;
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return currentState.copyWith(title: remoteUser.firstName ?? '<unnamed>');
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}
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return currentState.copyWith(
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title: '<group chat with ${state.remoteUsers.length} users>');
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}
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(ChatComponentState, types.Message?) _messageStateToChatMessage(
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ChatComponentState currentState, MessageState message) {
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final authorIdentityPublicKey = message.content.author.toVeilid();
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final author =
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state.remoteUsers[authorIdentityPublicKey] ?? state.localUser;
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late final types.User author;
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if (authorIdentityPublicKey == _localUserIdentityKey &&
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currentState.localUser != null) {
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author = currentState.localUser!;
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} else {
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final remoteUser = currentState.remoteUsers[authorIdentityPublicKey];
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if (remoteUser != null) {
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author = remoteUser;
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} else {
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final historicalRemoteUser =
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currentState.historicalRemoteUsers[authorIdentityPublicKey];
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if (historicalRemoteUser != null) {
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author = historicalRemoteUser;
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} else {
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final unknownRemoteUser =
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currentState.unknownUsers[authorIdentityPublicKey];
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if (unknownRemoteUser != null) {
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author = unknownRemoteUser;
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} else {
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final unknownUser = _convertUnknownUser(authorIdentityPublicKey);
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currentState = currentState.copyWith(
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unknownUsers: currentState.unknownUsers
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.add(authorIdentityPublicKey, unknownUser));
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author = unknownUser;
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}
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}
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}
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}
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types.Status? status;
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if (message.sendState != null) {
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assert(author == state.localUser,
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assert(author.id == _localUserIdentityKey.toString(),
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'send state should only be on sent messages');
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switch (message.sendState!) {
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case MessageSendState.sending:
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@ -198,7 +291,7 @@ class ChatComponentCubit extends Cubit<ChatComponentState> {
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text: contextText.text,
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showStatus: status != null,
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status: status);
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return textMessage;
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return (currentState, textMessage);
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case proto.Message_Kind.secret:
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case proto.Message_Kind.delete:
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case proto.Message_Kind.erase:
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@ -207,17 +300,24 @@ class ChatComponentCubit extends Cubit<ChatComponentState> {
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case proto.Message_Kind.membership:
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case proto.Message_Kind.moderation:
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case proto.Message_Kind.notSet:
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return null;
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return (currentState, null);
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}
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}
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AsyncValue<WindowState<types.Message>> _convertMessages(
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ChatComponentState _convertMessages(ChatComponentState currentState,
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AsyncValue<WindowState<MessageState>> avMessagesState) {
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// Clear out unknown users
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currentState = state.copyWith(unknownUsers: const IMap.empty());
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final asError = avMessagesState.asError;
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if (asError != null) {
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return AsyncValue.error(asError.error, asError.stackTrace);
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return currentState.copyWith(
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unknownUsers: const IMap.empty(),
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messageWindow: AsyncValue.error(asError.error, asError.stackTrace));
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} else if (avMessagesState.asLoading != null) {
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return const AsyncValue.loading();
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return currentState.copyWith(
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unknownUsers: const IMap.empty(),
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messageWindow: const AsyncValue.loading());
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}
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final messagesState = avMessagesState.asData!.value;
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@ -225,7 +325,9 @@ class ChatComponentCubit extends Cubit<ChatComponentState> {
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final chatMessages = <types.Message>[];
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final tsSet = <String>{};
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for (final message in messagesState.window) {
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final chatMessage = _messageStateToChatMessage(message);
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final (newState, chatMessage) =
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_messageStateToChatMessage(currentState, message);
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currentState = newState;
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if (chatMessage == null) {
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continue;
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}
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@ -238,12 +340,13 @@ class ChatComponentCubit extends Cubit<ChatComponentState> {
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assert(false, 'should not have duplicate id');
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}
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}
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return AsyncValue.data(WindowState<types.Message>(
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window: chatMessages.toIList(),
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length: messagesState.length,
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windowTail: messagesState.windowTail,
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windowCount: messagesState.windowCount,
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follow: messagesState.follow));
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return currentState.copyWith(
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messageWindow: AsyncValue.data(WindowState<types.Message>(
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window: chatMessages.toIList(),
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length: messagesState.length,
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windowTail: messagesState.windowTail,
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windowCount: messagesState.windowCount,
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follow: messagesState.follow)));
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}
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void _addTextMessage(
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@ -271,7 +374,18 @@ class ChatComponentCubit extends Cubit<ChatComponentState> {
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////////////////////////////////////////////////////////////////////////////
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final _initWait = WaitSet<void>();
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final Locator _locator;
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final List<ActiveConversationCubit> _conversationCubits;
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final SingleContactMessagesCubit _messagesCubit;
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late final TypedKey _localUserIdentityKey;
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late final AccountRecordCubit _localUserAccountRecordCubit;
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late final StreamSubscription<AsyncValue<proto.Account>>
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_localUserAccountRecordSubscription;
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final Map<TypedKey, StreamSubscription<AsyncValue<ActiveConversationState>>>
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_conversationSubscriptions = {};
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late StreamSubscription<SingleContactMessagesState> _messagesSubscription;
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double scrollOffset = 0;
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}
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