forked from cwtch.im/cwtch-ui
message cache expansion: stores all messages fetched, indexed by hash and id where possible
This commit is contained in:
parent
d5cb37ed9c
commit
793b6e2e1a
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@ -143,25 +143,10 @@ class CwtchNotifier {
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var senderHandle = data['RemotePeer'];
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var senderImage = data['Picture'];
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var isAuto = data['Auto'] == "true";
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String? contenthash = data['ContentHash'];
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var selectedConversation = appState.selectedProfile == data["ProfileOnion"] && appState.selectedConversation == identifier;
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// We might not have received a contact created for this contact yet...
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// In that case the **next** event we receive will actually update these values...
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if (profileCN.getProfile(data["ProfileOnion"])?.contactList.getContact(identifier) != null) {
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if (appState.selectedProfile != data["ProfileOnion"] || appState.selectedConversation != identifier) {
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profileCN.getProfile(data["ProfileOnion"])?.contactList.getContact(identifier)!.unreadMessages++;
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} else {
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profileCN.getProfile(data["ProfileOnion"])?.contactList.getContact(identifier)!.newMarker++;
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}
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profileCN.getProfile(data["ProfileOnion"])?.contactList.updateLastMessageTime(identifier, DateTime.now());
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profileCN.getProfile(data["ProfileOnion"])?.contactList.getContact(identifier)!.updateMessageCache(identifier, messageID, timestamp, senderHandle, senderImage, isAuto, data["Data"]);
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// We only ever see messages from authenticated peers.
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// If the contact is marked as offline then override this - can happen when the contact is removed from the front
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// end during syncing.
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if (profileCN.getProfile(data["ProfileOnion"])?.contactList.getContact(identifier)!.isOnline() == false) {
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profileCN.getProfile(data["ProfileOnion"])?.contactList.getContact(identifier)!.status = "Authenticated";
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}
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}
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profileCN.getProfile(data["ProfileOnion"])?.contactList.newMessage(identifier, messageID, timestamp, senderHandle, senderImage, isAuto, data["Data"], contenthash, selectedConversation, );
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break;
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case "PeerAcknowledgement":
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@ -200,18 +185,12 @@ class CwtchNotifier {
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var timestampSent = DateTime.tryParse(data['TimestampSent'])!;
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var currentTotal = profileCN.getProfile(data["ProfileOnion"])?.contactList.getContact(identifier)!.totalMessages;
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var isAuto = data['Auto'] == "true";
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String? contenthash = data['ContentHash'];
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var selectedConversation = appState.selectedProfile == data["ProfileOnion"] && appState.selectedConversation == identifier;
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// Only bother to do anything if we know about the group and the provided index is greater than our current total...
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if (currentTotal != null && idx >= currentTotal) {
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profileCN.getProfile(data["ProfileOnion"])?.contactList.getContact(identifier)!.updateMessageCache(identifier, idx, timestampSent, senderHandle, senderImage, isAuto, data["Data"]);
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//if not currently open
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if (appState.selectedProfile != data["ProfileOnion"] || appState.selectedConversation != identifier) {
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profileCN.getProfile(data["ProfileOnion"])?.contactList.getContact(identifier)!.unreadMessages++;
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} else {
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profileCN.getProfile(data["ProfileOnion"])?.contactList.getContact(identifier)!.newMarker++;
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}
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// TODO: There are 2 timestamps associated with a new group message - time sent and time received.
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// Sent refers to the time a profile alleges they sent a message
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// Received refers to the time we actually saw the message from the server
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@ -222,7 +201,8 @@ class CwtchNotifier {
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// For now we perform some minimal checks on the sent timestamp to use to provide a useful ordering for honest contacts
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// and ensure that malicious contacts in groups can only set this timestamp to a value within the range of `last seen message time`
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// and `local now`.
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profileCN.getProfile(data["ProfileOnion"])?.contactList.updateLastMessageTime(identifier, timestampSent.toLocal());
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profileCN.getProfile(data["ProfileOnion"])?.contactList.newMessage(identifier, idx, timestampSent, senderHandle, senderImage, isAuto, data["Data"], contenthash, selectedConversation);
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notificationManager.notify("New Message From Group!");
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}
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} else {
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@ -21,6 +21,8 @@ class ContactInfoState extends ChangeNotifier {
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late Map<String, GlobalKey<MessageRowState>> keys;
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int _newMarker = 0;
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DateTime _newMarkerClearAt = DateTime.now();
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//late List<MessageInfo?> messageCache;
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late MessageCache messageCache;
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// todo: a nicer way to model contacts, groups and other "entities"
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late bool _isGroup;
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@ -54,7 +56,8 @@ class ContactInfoState extends ChangeNotifier {
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this._lastMessageTime = lastMessageTime == null ? DateTime.fromMillisecondsSinceEpoch(0) : lastMessageTime;
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this._server = server;
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this._archived = archived;
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this.messageCache = List.empty(growable: true);
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//this.messageCache = List.empty(growable: true);
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this.messageCache = new MessageCache();
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keys = Map<String, GlobalKey<MessageRowState>>();
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}
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@ -196,18 +199,31 @@ class ContactInfoState extends ChangeNotifier {
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return ret;
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}
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void updateMessageCache(int conversation, int messageID, DateTime timestamp, String senderHandle, String senderImage, bool isAuto, String data) {
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this.messageCache.insert(0, MessageInfo(MessageMetadata(profileOnion, conversation, messageID, timestamp, senderHandle, senderImage, "", {}, false, false, isAuto), data));
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void newMessage(int identifier, int messageID, DateTime timestamp, String senderHandle, String senderImage, bool isAuto, String data, String? contenthash, bool selectedConversation) {
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if (!selectedConversation) {
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unreadMessages++;
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} else {
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newMarker++;
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}
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this.messageCache.addNew(profileOnion, identifier, messageID, timestamp, senderHandle, senderImage, isAuto, data, contenthash);
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this.totalMessages += 1;
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// We only ever see messages from authenticated peers.
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// If the contact is marked as offline then override this - can happen when the contact is removed from the front
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// end during syncing.
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if (isOnline() == false) {
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status = "Authenticated";
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}
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}
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void bumpMessageCache() {
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this.messageCache.insert(0, null);
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this.messageCache.bumpMessageCache();
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this.totalMessages += 1;
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}
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void ackCache(int messageID) {
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this.messageCache.firstWhere((element) => element?.metadata.messageID == messageID)?.metadata.ackd = true;
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this.messageCache.ackCache(messageID);
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notifyListeners();
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}
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}
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}
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@ -122,4 +122,9 @@ class ContactListState extends ChangeNotifier {
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int idx = _contacts.indexWhere((element) => element.onion == byHandle);
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return idx >= 0 ? _contacts[idx] : null;
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}
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}
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void newMessage(int identifier, int messageID, DateTime timestamp, String senderHandle, String senderImage, bool isAuto, String data, String? contenthash, bool selectedConversation) {
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getContact(identifier)?.newMessage(identifier, messageID, timestamp, senderHandle, senderImage, isAuto, data, contenthash, selectedConversation);
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updateLastMessageTime(identifier, DateTime.now());
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}
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}
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@ -1,9 +1,11 @@
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import 'dart:convert';
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import 'package:cwtch/config.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter/widgets.dart';
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import 'package:provider/provider.dart';
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import '../main.dart';
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import 'messagecache.dart';
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import 'messages/filemessage.dart';
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import 'messages/invitemessage.dart';
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import 'messages/malformedmessage.dart';
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@ -28,7 +30,9 @@ const GroupConversationHandleLength = 32;
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abstract class Message {
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MessageMetadata getMetadata();
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Widget getWidget(BuildContext context, Key key);
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Widget getPreviewWidget(BuildContext context);
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}
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@ -57,48 +61,108 @@ Message compileOverlay(MessageMetadata metadata, String messageData) {
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}
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}
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Future<Message> messageHandler(BuildContext context, String profileOnion, int conversationIdentifier, int index, {bool byID = false}) {
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Future<Message> messageHandler(BuildContext context, String profileOnion, int conversationIdentifier,
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{bool byIndex = false, int? index, bool byID = false, int? id, bool byHash = false, String? hash}) {
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var malformedMetadata = MessageMetadata(profileOnion, conversationIdentifier, 0, DateTime.now(), "", "", "", <String, String>{}, false, true, false);
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if (!byIndex && !byID && !byHash) {
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EnvironmentConfig.debugLog("Error calling messageHandler: one of byIndex, byID, byHash must be set");
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return Future.value(MalformedMessage(malformedMetadata));
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}
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if ((byID && id == null) || (byIndex && index == null) || (byHash && hash == null)) {
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EnvironmentConfig.debugLog("Error calling messageHandler: byType needs corresponding value and it was not set");
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return Future.value(MalformedMessage(malformedMetadata));
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}
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// Hit cache
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MessageInfo? messageInfo = getMessageInfoFromCache(context, profileOnion, conversationIdentifier, byIndex: byIndex, index: index, byID: byID, id: id, byHash: byHash, hash: hash);
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if (messageInfo != null) {
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return Future.value(compileOverlay(messageInfo.metadata, messageInfo.wrapper));
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}
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// Fetch and Cache
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var messageInfoFuture = fetchAndCacheMessageInfo(context, profileOnion, conversationIdentifier, byIndex: byIndex, index: index, byID: byID, id: id, byHash: byHash, hash: hash);
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return messageInfoFuture.then( (MessageInfo? messageInfo) {
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if (messageInfo != null) {
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return compileOverlay(messageInfo.metadata, messageInfo.wrapper);
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} else {
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return MalformedMessage(malformedMetadata);
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}
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});
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}
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MessageInfo? getMessageInfoFromCache(BuildContext context, String profileOnion, int conversationIdentifier,
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{bool byIndex = false, int? index, bool byID = false, int? id, bool byHash = false, String? hash}) {
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// Hit cache
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try {
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var cache = Provider.of<ProfileInfoState>(context, listen: false).contactList.getContact(conversationIdentifier)?.messageCache;
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if (cache != null && cache.length > index) {
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if (cache[index] != null) {
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return Future.value(compileOverlay(cache[index]!.metadata, cache[index]!.wrapper));
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if (cache != null) {
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MessageInfo? messageInfo = null;
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if (byID) {
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messageInfo = cache.getById(id!);
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} else if (byHash) {
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messageInfo = cache.getByContentHash(hash!);
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} else {
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messageInfo = cache.getByIndex(index!);
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}
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if (messageInfo != null) {
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return messageInfo;
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}
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}
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} catch (e) {
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EnvironmentConfig.debugLog("message handler exception on get from cache: $e");
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// provider check failed...make an expensive call...
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}
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return null;
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}
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Future<MessageInfo?> fetchAndCacheMessageInfo(BuildContext context, String profileOnion, int conversationIdentifier,
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{bool byIndex = false, int? index, bool byID = false, int? id, bool byHash = false, String? hash}) {
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// Load and cache
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try {
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Future<dynamic> rawMessageEnvelopeFuture;
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if (byID) {
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rawMessageEnvelopeFuture = Provider.of<FlwtchState>(context, listen: false).cwtch.GetMessageByID(profileOnion, conversationIdentifier, index);
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rawMessageEnvelopeFuture = Provider
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.of<FlwtchState>(context, listen: false)
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.cwtch
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.GetMessageByID(profileOnion, conversationIdentifier, id!);
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} else if (byHash) {
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rawMessageEnvelopeFuture = Provider
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.of<FlwtchState>(context, listen: false)
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.cwtch
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.GetMessageByContentHash(profileOnion, conversationIdentifier, hash!);
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} else {
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rawMessageEnvelopeFuture = Provider.of<FlwtchState>(context, listen: false).cwtch.GetMessage(profileOnion, conversationIdentifier, index);
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rawMessageEnvelopeFuture = Provider
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.of<FlwtchState>(context, listen: false)
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.cwtch
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.GetMessage(profileOnion, conversationIdentifier, index!);
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}
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return rawMessageEnvelopeFuture.then((dynamic rawMessageEnvelope) {
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var metadata = MessageMetadata(profileOnion, conversationIdentifier, index, DateTime.now(), "", "", "", <String, String>{}, false, true, false);
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try {
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dynamic messageWrapper = jsonDecode(rawMessageEnvelope);
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// There are 2 conditions in which this error condition can be met:
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// 1. The application == nil, in which case this instance of the UI is already
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// broken beyond repair, and will either be replaced by a new version, or requires a complete
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// restart.
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// 2. This index was incremented and we happened to fetch the timeline prior to the messages inclusion.
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// This should be rare as Timeline addition/fetching is mutex protected and Dart itself will pipeline the
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// calls to libCwtch-go - however because we use goroutines on the backend there is always a chance that one
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// will find itself delayed.
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// The second case is recoverable by tail-recursing this future.
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// There are 2 conditions in which this error condition can be met:
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// 1. The application == nil, in which case this instance of the UI is already
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// broken beyond repair, and will either be replaced by a new version, or requires a complete
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// restart.
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// 2. This index was incremented and we happened to fetch the timeline prior to the messages inclusion.
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// This should be rare as Timeline addition/fetching is mutex protected and Dart itself will pipeline the
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// calls to libCwtch-go - however because we use goroutines on the backend there is always a chance that one
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// will find itself delayed.
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// The second case is recoverable by tail-recursing this future.
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if (messageWrapper['Message'] == null || messageWrapper['Message'] == '' || messageWrapper['Message'] == '{}') {
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return Future.delayed(Duration(seconds: 2), () {
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print("Tail recursive call to messageHandler called. This should be a rare event. If you see multiples of this log over a short period of time please log it as a bug.");
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return messageHandler(context, profileOnion, conversationIdentifier, -1, byID: byID).then((value) => value);
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return fetchAndCacheMessageInfo(context, profileOnion, conversationIdentifier, byIndex: byIndex,
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index: index,
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byID: byID,
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id: id,
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byHash: byHash,
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hash: hash).then((value) => value);
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});
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}
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// Construct the initial metadata
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// Construct the initial metadata
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var messageID = messageWrapper['ID'];
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var timestamp = DateTime.tryParse(messageWrapper['Timestamp'])!;
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var senderHandle = messageWrapper['PeerID'];
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@ -107,16 +171,47 @@ Future<Message> messageHandler(BuildContext context, String profileOnion, int co
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var ackd = messageWrapper['Acknowledged'];
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var error = messageWrapper['Error'] != null;
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var signature = messageWrapper['Signature'];
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metadata = MessageMetadata(profileOnion, conversationIdentifier, messageID, timestamp, senderHandle, senderImage, signature, attributes, ackd, error, false);
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var contenthash = messageWrapper['ContentHash'];
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var localIndex = messageWrapper['LocalIndex'];
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var metadata = MessageMetadata(
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profileOnion,
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conversationIdentifier,
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messageID,
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timestamp,
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senderHandle,
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senderImage,
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signature,
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attributes,
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ackd,
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error,
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false);
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var messageInfo = new MessageInfo(metadata, messageWrapper['Message']);
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return compileOverlay(metadata, messageWrapper['Message']);
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var cache = Provider
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.of<ProfileInfoState>(context, listen: false)
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.contactList
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.getContact(conversationIdentifier)
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?.messageCache;
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if (cache != null) {
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if (byID) {
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cache.addUnindexed(messageInfo, contenthash);
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} else if (byHash) {
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cache.addUnindexed(messageInfo, contenthash);
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} else {
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cache.add(messageInfo, index!, contenthash);
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}
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}
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return messageInfo;
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} catch (e) {
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EnvironmentConfig.debugLog("an error! " + e.toString());
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return MalformedMessage(metadata);
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EnvironmentConfig.debugLog("message handler exception on parse message and cache: " + e.toString());
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return null;
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}
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});
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} catch (e) {
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return Future.value(MalformedMessage(MessageMetadata(profileOnion, conversationIdentifier, -1, DateTime.now(), "", "", "", <String, String>{}, false, true, false)));
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EnvironmentConfig.debugLog("message handler exeption on get message: $e");
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return Future.value(null);
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}
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}
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@ -139,12 +234,14 @@ class MessageMetadata extends ChangeNotifier {
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dynamic get attributes => this._attributes;
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bool get ackd => this._ackd;
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set ackd(bool newVal) {
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this._ackd = newVal;
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notifyListeners();
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}
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bool get error => this._error;
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set error(bool newVal) {
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this._error = newVal;
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notifyListeners();
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@ -9,21 +9,51 @@ class MessageInfo {
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class MessageCache {
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late Map<int, MessageInfo> cache;
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late List<int?> cacheByIndex;
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late Map<String, int> cacheByHash;
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MessageCache() {
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this.cache = {};
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this.cacheByIndex = List.empty(growable: true);
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cache = {};
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cacheByIndex = List.empty(growable: true);
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cacheByHash = {};
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}
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int get indexedLength => cacheByIndex.length;
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void addNew(int conversation, int messageID, DateTime timestamp, String senderHandle, String senderImage, bool isAuto, String data) {
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MessageInfo? getById(int id) => cache[id];
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MessageInfo? getByIndex(int index) {
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if (index >= cacheByIndex.length) {
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return null;
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}
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return cache[cacheByIndex[index]];
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}
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MessageInfo? getByContentHash(String contenthash) => cache[cacheByHash[contenthash]];
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void addNew(String profileOnion, int conversation, int messageID, DateTime timestamp, String senderHandle, String senderImage, bool isAuto, String data, String? contenthash) {
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this.cache[messageID] = MessageInfo(MessageMetadata(profileOnion, conversation, messageID, timestamp, senderHandle, senderImage, "", {}, false, false, isAuto), data);
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this.cacheByIndex.insert(0, messageID);
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if (contenthash != null && contenthash != "") {
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this.cacheByHash[contenthash] = messageID;
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}
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}
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void add(MessageInfo messageInfo, int index, String? contenthash) {
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this.cache[messageInfo.metadata.messageID] = messageInfo;
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this.cacheByIndex.insert(index, messageInfo.metadata.messageID);
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if (contenthash != null && contenthash != "") {
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this.cacheByHash[contenthash] = messageInfo.metadata.messageID;
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}
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}
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void addUnindexed(MessageInfo messageInfo, String? contenthash) {
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this.cache[messageInfo.metadata.messageID] = messageInfo;
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if (contenthash != null && contenthash != "") {
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this.cacheByHash[contenthash] = messageInfo.metadata.messageID;
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}
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}
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// TODO inserting nulls travel down list causing fails for all
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void bumpMessageCache() {
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this.messageCache.insert(0, null);
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this.totalMessages += 1;
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this.cacheByIndex.insert(0, null);
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}
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void ackCache(int messageID) {
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@ -9,6 +9,8 @@ import 'package:flutter/widgets.dart';
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import 'package:provider/provider.dart';
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import '../../main.dart';
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import '../messagecache.dart';
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import '../profile.dart';
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class QuotedMessageStructure {
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final String quotedHash;
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||||
|
@ -21,22 +23,6 @@ class QuotedMessageStructure {
|
|||
};
|
||||
}
|
||||
|
||||
class LocallyIndexedMessage {
|
||||
final dynamic message;
|
||||
final int index;
|
||||
|
||||
LocallyIndexedMessage(this.message, this.index);
|
||||
|
||||
LocallyIndexedMessage.fromJson(Map<String, dynamic> json)
|
||||
: message = json['Message'],
|
||||
index = json['LocalIndex'];
|
||||
|
||||
Map<String, dynamic> toJson() => {
|
||||
'Message': message,
|
||||
'LocalIndex': index,
|
||||
};
|
||||
}
|
||||
|
||||
class QuotedMessage extends Message {
|
||||
final MessageMetadata metadata;
|
||||
final String content;
|
||||
|
@ -70,34 +56,11 @@ class QuotedMessage extends Message {
|
|||
return MalformedBubble();
|
||||
}
|
||||
|
||||
var quotedMessagePotentials = Provider.of<FlwtchState>(context).cwtch.GetMessageByContentHash(metadata.profileOnion, metadata.conversationIdentifier, message["quotedHash"]);
|
||||
Future<LocallyIndexedMessage?> quotedMessage = quotedMessagePotentials.then((matchingMessages) {
|
||||
if (matchingMessages == "[]") {
|
||||
return null;
|
||||
}
|
||||
// reverse order the messages from newest to oldest and return the
|
||||
// first matching message where it's index is less than the index of this
|
||||
// message
|
||||
try {
|
||||
var list = (jsonDecode(matchingMessages) as List<dynamic>).map((data) => LocallyIndexedMessage.fromJson(data)).toList();
|
||||
LocallyIndexedMessage candidate = list.reversed.first;
|
||||
return candidate;
|
||||
} catch (e) {
|
||||
// Malformed Message will be returned...
|
||||
return null;
|
||||
}
|
||||
});
|
||||
|
||||
return ChangeNotifierProvider.value(
|
||||
value: this.metadata,
|
||||
builder: (bcontext, child) {
|
||||
return MessageRow(
|
||||
QuotedMessageBubble(message["body"], quotedMessage.then((LocallyIndexedMessage? localIndex) {
|
||||
if (localIndex != null) {
|
||||
return messageHandler(bcontext, metadata.profileOnion, metadata.conversationIdentifier, localIndex.index);
|
||||
}
|
||||
return MalformedMessage(this.metadata);
|
||||
})),
|
||||
QuotedMessageBubble(message["body"], messageHandler(bcontext, metadata.profileOnion, metadata.conversationIdentifier, byHash: true, hash: message["quotedHash"])),
|
||||
key: key);
|
||||
});
|
||||
} catch (e) {
|
||||
|
|
|
@ -132,7 +132,6 @@ class ProfileInfoState extends ChangeNotifier {
|
|||
@override
|
||||
void dispose() {
|
||||
super.dispose();
|
||||
print("profileinfostate.dispose()");
|
||||
}
|
||||
|
||||
void updateFrom(String onion, String name, String picture, String contactsJson, String serverJson, bool online) {
|
||||
|
|
|
@ -225,7 +225,10 @@ class _MessageViewState extends State<MessageView> {
|
|||
ctrlrCompose.clear();
|
||||
focusNode.requestFocus();
|
||||
Future.delayed(const Duration(milliseconds: 80), () {
|
||||
Provider.of<ProfileInfoState>(context, listen: false).contactList.getContact(Provider.of<ContactInfoState>(context, listen: false).identifier)?.bumpMessageCache();
|
||||
var profile = Provider.of<ContactInfoState>(context, listen: false).profileOnion;
|
||||
var identifier = Provider.of<ContactInfoState>(context, listen: false).identifier;
|
||||
//Provider.of<ProfileInfoState>(context, listen: false).contactList.getContact(Provider.of<ContactInfoState>(context, listen: false).identifier)?.bumpMessageCache();
|
||||
fetchAndCacheMessageInfo(context, profile, identifier, byIndex: true, index: 0);
|
||||
Provider.of<ContactInfoState>(context, listen: false).newMarker++;
|
||||
// Resort the contact list...
|
||||
Provider.of<ProfileInfoState>(context, listen: false).contactList.updateLastMessageTime(Provider.of<ContactInfoState>(context, listen: false).identifier, DateTime.now());
|
||||
|
@ -282,7 +285,7 @@ class _MessageViewState extends State<MessageView> {
|
|||
if (Provider.of<AppState>(context).selectedConversation != null && Provider.of<AppState>(context).selectedIndex != null) {
|
||||
var quoted = FutureBuilder(
|
||||
future:
|
||||
messageHandler(context, Provider.of<AppState>(context).selectedProfile!, Provider.of<AppState>(context).selectedConversation!, Provider.of<AppState>(context).selectedIndex!, byID: true),
|
||||
messageHandler(context, Provider.of<AppState>(context).selectedProfile!, Provider.of<AppState>(context).selectedConversation!, id: Provider.of<AppState>(context).selectedIndex!, byID: true),
|
||||
builder: (context, snapshot) {
|
||||
if (snapshot.hasData) {
|
||||
var message = snapshot.data! as Message;
|
||||
|
|
|
@ -83,7 +83,7 @@ class _MessageListState extends State<MessageList> {
|
|||
var messageIndex = index;
|
||||
|
||||
return FutureBuilder(
|
||||
future: messageHandler(outerContext, profileOnion, contactHandle, messageIndex),
|
||||
future: messageHandler(outerContext, profileOnion, contactHandle, byIndex: true, index: messageIndex),
|
||||
builder: (context, snapshot) {
|
||||
if (snapshot.hasData) {
|
||||
var message = snapshot.data as Message;
|
||||
|
|
|
@ -220,8 +220,8 @@ class MessageRowState extends State<MessageRow> with SingleTickerProviderStateMi
|
|||
)))));
|
||||
var mark = Provider.of<ContactInfoState>(context).newMarker;
|
||||
if (mark > 0 &&
|
||||
Provider.of<ContactInfoState>(context).messageCache.length > mark &&
|
||||
Provider.of<ContactInfoState>(context).messageCache[mark - 1]?.metadata.messageID == Provider.of<MessageMetadata>(context).messageID) {
|
||||
Provider.of<ContactInfoState>(context).messageCache.indexedLength > mark &&
|
||||
Provider.of<ContactInfoState>(context).messageCache.getByIndex(mark - 1)?.metadata.messageID == Provider.of<MessageMetadata>(context).messageID) {
|
||||
return Column(crossAxisAlignment: fromMe ? CrossAxisAlignment.end : CrossAxisAlignment.start, children: [Align(alignment: Alignment.center, child: _bubbleNew()), mr]);
|
||||
} else {
|
||||
return mr;
|
||||
|
|
Loading…
Reference in New Issue