[SDK] Fix bugs

lib/src/AccountData.dart

@@ -21,6 +21,8 @@
  * along with famedlysdk.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+import 'package:famedlysdk/src/RawEvent.dart';
+
 class AccountData {
   /// The json payload of the content. The content highly depends on the type.
   final Map<String, dynamic> content;
@@ -29,4 +31,11 @@ class AccountData {
   final String typeKey;
 
   AccountData({this.content, this.typeKey});
+
+  /// Get a State event from a table row or from the event stream.
+  factory AccountData.fromJson(Map<String, dynamic> jsonPayload) {
+    final Map<String, dynamic> content =
+        RawEvent.getMapFromPayload(jsonPayload['content']);
+    return AccountData(content: content, typeKey: jsonPayload['type']);
+  }
 }

lib/src/Client.dart

@@ -24,6 +24,10 @@
 import 'dart:async';
 import 'dart:core';
 
+import 'package:famedlysdk/src/AccountData.dart';
+import 'package:famedlysdk/src/Presence.dart';
+import 'package:famedlysdk/src/sync/UserUpdate.dart';
+
 import 'Connection.dart';
 import 'Room.dart';
 import 'RoomList.dart';
@@ -86,8 +90,38 @@ class Client {
   /// Returns the current login state.
   bool isLogged() => accessToken != null;
 
+  /// A list of all rooms the user is participating or invited.
   RoomList roomList;
 
+  /// Key/Value store of account data.
+  Map<String, AccountData> accountData = {};
+
+  /// Presences of users by a given matrix ID
+  Map<String, Presence> presences = {};
+
+  void handleUserUpdate(UserUpdate userUpdate) {
+    if (userUpdate.type == "account_data") {
+      AccountData newAccountData = AccountData.fromJson(userUpdate.content);
+      accountData[newAccountData.typeKey] = newAccountData;
+    }
+    if (userUpdate.type == "presence") {
+      Presence newPresence = Presence.fromJson(userUpdate.content);
+      presences[newPresence.typeKey] = newPresence;
+    }
+  }
+
+  Map<String, List<String>> get directChats =>
+      accountData["m.direct"] != null ? accountData["m.direct"].content : {};
+
+  /// Returns the (first) room ID from the store which is a private chat with the user [userId].
+  /// Returns null if there is none.
+  String getDirectChatFromUserId(String userId) =>
+      accountData["m.direct"] != null &&
+              accountData["m.direct"].content[userId] is List<String> &&
+              accountData["m.direct"].content[userId].length > 0
+          ? accountData["m.direct"].content[userId][0]
+          : null;
+
   /// Checks the supported versions of the Matrix protocol and the supported
   /// login types. Returns false if the server is not compatible with the
   /// client. Automatically sets [matrixVersions] and [lazyLoadMembers].
@@ -227,7 +261,7 @@ class Client {
   /// defined by the autojoin room feature in Synapse.
   Future<List<User>> loadFamedlyContacts() async {
     List<User> contacts = [];
-    Room contactDiscoveryRoom = await store
+    Room contactDiscoveryRoom = roomList
         .getRoomByAlias("#famedlyContactDiscovery:${userID.split(":")[1]}");
     if (contactDiscoveryRoom != null)
       contacts = await contactDiscoveryRoom.requestParticipants();

lib/src/Connection.dart

@@ -149,10 +149,11 @@ class Connection {
     client.lazyLoadMembers = newLazyLoadMembers;
     client.prevBatch = newPrevBatch;
 
-    client.store?.storeClient();
+    if (client.store != null) {
+      client.store.storeClient();
 
       List<Room> rooms = await client.store
-        ?.getRoomList(onlyLeft: false, onlyGroups: false, onlyDirect: false);
+          .getRoomList(onlyLeft: false, onlyGroups: false, onlyDirect: false);
       client.roomList = RoomList(
           client: client,
           onlyLeft: false,
@@ -162,12 +163,19 @@ class Connection {
           onInsert: null,
           onRemove: null,
           rooms: rooms);
+      client.accountData = await client.store.getAccountData();
+      client.presences = await client.store.getPresences();
+    }
+
+    _userEventSub ??= onUserEvent.stream.listen(client.handleUserUpdate);
 
     onLoginStateChanged.add(LoginState.logged);
 
     _sync();
   }
 
+  StreamSubscription _userEventSub;
+
   /// Resets all settings and stops the synchronisation.
   void clear() {
     client.store?.clear();

lib/src/Presence.dart

@@ -22,6 +22,7 @@
  */
 
 import 'package:famedlysdk/src/AccountData.dart';
+import 'package:famedlysdk/src/RawEvent.dart';
 
 class Presence extends AccountData {
   /// The user who has sent this event if it is not a global account data event.
@@ -29,4 +30,14 @@ class Presence extends AccountData {
 
   Presence({this.sender, Map<String, dynamic> content, String typeKey})
       : super(content: content, typeKey: typeKey);
+
+  /// Get a State event from a table row or from the event stream.
+  factory Presence.fromJson(Map<String, dynamic> jsonPayload) {
+    final Map<String, dynamic> content =
+        RawEvent.getMapFromPayload(jsonPayload['content']);
+    return Presence(
+        content: content,
+        typeKey: jsonPayload['type'],
+        sender: jsonPayload['sender']);
+  }
 }

lib/src/Room.dart

@@ -363,8 +363,7 @@ class Room {
 
   /// Sets this room as a direct chat for this user.
   Future<dynamic> addToDirectChat(String userID) async {
-    Map<String, List<String>> directChats =
-        await client.store.getAccountDataDirectChats();
+    Map<String, List<String>> directChats = client.directChats;
     if (directChats.containsKey(userID)) if (!directChats[userID].contains(id))
       directChats[userID].add(id);
     else

lib/src/RoomList.dart

@@ -73,6 +73,13 @@ class RoomList {
     roomSub ??= client.connection.onRoomUpdate.stream.listen(_handleRoomUpdate);
   }
 
+  Room getRoomByAlias(String alias) {
+    for (int i = 0; i < rooms.length; i++) {
+      if (rooms[i].canonicalAlias == alias) return rooms[i];
+    }
+    return null;
+  }
+
   void _handleRoomUpdate(RoomUpdate chatUpdate) {
     // Update the chat list item.
     // Search the room in the rooms

lib/src/Store.dart

@@ -25,6 +25,8 @@ import 'dart:async';
 import 'dart:convert';
 import 'dart:core';
 
+import 'package:famedlysdk/src/AccountData.dart';
+import 'package:famedlysdk/src/Presence.dart';
 import 'package:famedlysdk/src/State.dart';
 import 'package:path/path.dart' as p;
 import 'package:sqflite/sqflite.dart';
@@ -398,6 +400,26 @@ class Store {
     return Event.fromJson(res[0], room);
   }
 
+  Future<Map<String, AccountData>> getAccountData() async {
+    Map<String, AccountData> newAccountData = {};
+    List<Map<String, dynamic>> rawAccountData =
+        await db.rawQuery("SELECT * FROM AccountData");
+    for (int i = 0; i < rawAccountData.length; i++)
+      newAccountData[rawAccountData[i]["type"]] =
+          AccountData.fromJson(rawAccountData[i]);
+    return newAccountData;
+  }
+
+  Future<Map<String, Presence>> getPresences() async {
+    Map<String, Presence> newPresences = {};
+    List<Map<String, dynamic>> rawPresences =
+        await db.rawQuery("SELECT * FROM Presences");
+    for (int i = 0; i < rawPresences.length; i++)
+      newPresences[rawPresences[i]["type"]] =
+          Presence.fromJson(rawPresences[i]);
+    return newPresences;
+  }
+
   Future forgetNotification(String roomID) async {
     await db
         .rawDelete("DELETE FROM NotificationsCache WHERE chat_id=?", [roomID]);

lib/src/User.dart

@@ -89,7 +89,7 @@ class User extends State {
   /// Returns null on error.
   Future<String> startDirectChat() async {
     // Try to find an existing direct chat
-    String roomID = await room.client?.rooms.getDirectChatRoomID(id);
+    String roomID = await room.client?.getDirectChatFromUserId(id);
     if (roomID != null) return roomID;
 
     // Start a new direct chat