refactor: Handle Room Account Data outside of Room Event Updates

This also makes sure that
room account data does not
get unnecessarily serialized
and deserialized before
storing it in the database.
For this it changes the
code flow at multiple
places.

lib/src/client.dart

@@ -2559,7 +2559,7 @@ class Client extends MatrixApi {
 
       final room = getRoomById(roomId);
       if (room != null) {
-        final List<BasicEvent> events = [];
+        final events = <Event>[];
         for (final event in _eventsPendingDecryption) {
           if (event.event.room.id != roomId) continue;
           if (!sessionIds.contains(
@@ -2571,7 +2571,7 @@ class Client extends MatrixApi {
           final decryptedEvent =
               await encryption!.decryptRoomEvent(event.event);
           if (decryptedEvent.type != EventTypes.Encrypted) {
-            events.add(BasicEvent.fromJson(decryptedEvent.content));
+            events.add(decryptedEvent);
           }
         }
 
@@ -2651,11 +2651,10 @@ class Client extends MatrixApi {
 
         final accountData = syncRoomUpdate.accountData;
         if (accountData != null && accountData.isNotEmpty) {
-          await _handleRoomEvents(
+          for (final event in accountData) {
-            room,
+            await database?.storeRoomAccountData(event);
-            accountData,
+            room.roomAccountData[event.type] = event;
-            EventUpdateType.accountData,
+          }
-          );
         }
       }
 
@@ -2671,12 +2670,9 @@ class Client extends MatrixApi {
         }
         final accountData = syncRoomUpdate.accountData;
         if (accountData != null && accountData.isNotEmpty) {
-          await _handleRoomEvents(
+          for (final event in accountData) {
-            room,
+            room.roomAccountData[event.type] = event;
-            accountData,
+          }
-            EventUpdateType.accountData,
-            store: false,
-          );
         }
         final state = syncRoomUpdate.state;
         if (state != null && state.isNotEmpty) {
@@ -2720,17 +2716,13 @@ class Client extends MatrixApi {
         await receiptStateContent.update(e, room);
       }
 
-      await _handleRoomEvents(
+      final event = BasicRoomEvent(
-        room,
-        [
-          BasicRoomEvent(
         type: LatestReceiptState.eventType,
         roomId: room.id,
         content: receiptStateContent.toJson(),
-          ),
-        ],
-        EventUpdateType.accountData,
       );
+      await database?.storeRoomAccountData(event);
+      room.roomAccountData[event.type] = event;
     }
   }
 
@@ -2739,7 +2731,7 @@ class Client extends MatrixApi {
 
   Future<void> _handleRoomEvents(
     Room room,
-    List<BasicEvent> events,
+    List<StrippedStateEvent> events,
     EventUpdateType type, {
     bool store = true,
   }) async {
@@ -2785,7 +2777,7 @@ class Client extends MatrixApi {
       );
 
       // Any kind of member change? We should invalidate the profile then:
-      if (event is StrippedStateEvent && event.type == EventTypes.RoomMember) {
+      if (event.type == EventTypes.RoomMember) {
         final userId = event.stateKey;
         if (userId != null) {
           // We do not re-request the profile here as this would lead to
@@ -2978,10 +2970,6 @@ class Client extends MatrixApi {
         room.lastEvent = event;
 
         break;
-      case EventUpdateType.accountData:
-        room.roomAccountData[eventUpdate.content['type']] =
-            BasicRoomEvent.fromJson(eventUpdate.content);
-        break;
       case EventUpdateType.history:
       case EventUpdateType.decryptedTimelineQueue:
         break;

lib/src/database/database_api.dart

@@ -129,6 +129,8 @@ abstract class DatabaseApi {
 
   Future storeAccountData(String type, Map<String, Object?> content);
 
+  Future storeRoomAccountData(BasicRoomEvent event);
+
   Future<Map<String, DeviceKeysList>> getUserDeviceKeys(Client client);
 
   Future<SSSSCache?> getSSSSCache(String type);

lib/src/database/hive_collections_database.dart

@@ -1095,6 +1095,15 @@ class HiveCollectionsDatabase extends DatabaseApi {
     return;
   }
 
+  @override
+  Future<void> storeRoomAccountData(BasicRoomEvent event) async {
+    await _roomAccountDataBox.put(
+      TupleKey(event.roomId ?? '', event.type).toString(),
+      copyMap(event.toJson()),
+    );
+    return;
+  }
+
   @override
   Future<void> storeEventUpdate(EventUpdate eventUpdate, Client client) async {
     final tmpRoom = client.getRoomById(eventUpdate.roomID) ??
@@ -1244,17 +1253,6 @@ class HiveCollectionsDatabase extends DatabaseApi {
         await _roomStateBox.put(key, stateMap);
       }
     }
-
-    // Store a room account data event
-    if (eventUpdate.type == EventUpdateType.accountData) {
-      await _roomAccountDataBox.put(
-        TupleKey(
-          eventUpdate.roomID,
-          eventUpdate.content['type'],
-        ).toString(),
-        eventUpdate.content,
-      );
-    }
   }
 
   @override

lib/src/database/matrix_sdk_database.dart

@@ -1058,6 +1058,15 @@ class MatrixSdkDatabase extends DatabaseApi with DatabaseFileStorage {
     return;
   }
 
+  @override
+  Future<void> storeRoomAccountData(BasicRoomEvent event) async {
+    await _roomAccountDataBox.put(
+      TupleKey(event.roomId ?? '', event.type).toString(),
+      event.toJson(),
+    );
+    return;
+  }
+
   @override
   Future<void> storeEventUpdate(EventUpdate eventUpdate, Client client) async {
     final tmpRoom = client.getRoomById(eventUpdate.roomID) ??
@@ -1214,17 +1223,6 @@ class MatrixSdkDatabase extends DatabaseApi with DatabaseFileStorage {
         await roomStateBox.put(key, eventUpdate.content);
       }
     }
-
-    // Store a room account data event
-    if (eventUpdate.type == EventUpdateType.accountData) {
-      await _roomAccountDataBox.put(
-        TupleKey(
-          eventUpdate.roomID,
-          eventUpdate.content['type'],
-        ).toString(),
-        eventUpdate.content,
-      );
-    }
   }
 
   @override

lib/src/utils/event_update.dart

@@ -26,9 +26,6 @@ enum EventUpdateType {
   /// Messages that have been fetched when requesting past history
   history,
 
-  /// Updates to account data
-  accountData,
-
   /// The state of an invite
   inviteState,
 

test/client_test.dart

@@ -282,7 +282,7 @@ void main() {
 
       final eventUpdateList = await eventUpdateListFuture;
 
-      expect(eventUpdateList.length, 18);
+      expect(eventUpdateList.length, 13);
 
       expect(eventUpdateList[0].content['type'], 'm.room.member');
       expect(eventUpdateList[0].roomID, '!726s6s6q:example.com');
@@ -308,28 +308,35 @@ void main() {
       expect(eventUpdateList[5].roomID, '!726s6s6q:example.com');
       expect(eventUpdateList[5].type, EventUpdateType.timeline);
 
-      expect(eventUpdateList[6].content['type'], LatestReceiptState.eventType);
+      expect(eventUpdateList[6].content['type'], 'm.room.member');
-      expect(eventUpdateList[6].roomID, '!726s6s6q:example.com');
+      expect(eventUpdateList[6].roomID, '!calls:example.com');
-      expect(eventUpdateList[6].type, EventUpdateType.accountData);
+      expect(eventUpdateList[6].type, EventUpdateType.state);
 
-      expect(eventUpdateList[7].content['type'], 'm.tag');
+      expect(eventUpdateList[7].content['type'], 'm.room.member');
-      expect(eventUpdateList[7].roomID, '!726s6s6q:example.com');
+      expect(eventUpdateList[7].roomID, '!calls:example.com');
-      expect(eventUpdateList[7].type, EventUpdateType.accountData);
+      expect(eventUpdateList[7].type, EventUpdateType.state);
 
       expect(
-        eventUpdateList[8].content['type'],
+        matrix
+            .getRoomById('!726s6s6q:example.com')
+            ?.roomAccountData['org.example.custom.room.config']
+            ?.type,
         'org.example.custom.room.config',
       );
-      expect(eventUpdateList[8].roomID, '!726s6s6q:example.com');
+      expect(
-      expect(eventUpdateList[8].type, EventUpdateType.accountData);
+        matrix
-
+            .getRoomById('!726s6s6q:example.com')
-      expect(eventUpdateList[9].content['type'], 'm.room.member');
+            ?.roomAccountData[LatestReceiptState.eventType]
-      expect(eventUpdateList[9].roomID, '!calls:example.com');
+            ?.type,
-      expect(eventUpdateList[9].type, EventUpdateType.state);
+        LatestReceiptState.eventType,
-
+      );
-      expect(eventUpdateList[10].content['type'], 'm.room.member');
+      expect(
-      expect(eventUpdateList[10].roomID, '!calls:example.com');
+        matrix
-      expect(eventUpdateList[10].type, EventUpdateType.state);
+            .getRoomById('!726s6s6q:example.com')
+            ?.roomAccountData['m.tag']
+            ?.type,
+        'm.tag',
+      );
 
       expect(
         matrix

test/database_api_test.dart

@@ -254,6 +254,14 @@ void main() {
           client,
         );
 
+        await database.storeRoomAccountData(
+          BasicRoomEvent(
+            content: {'foo': 'bar'},
+            type: 'm.test',
+            roomId: roomid,
+          ),
+        );
+
         await database.storeEventUpdate(
           EventUpdate(
             roomID: roomid,
@@ -277,6 +285,8 @@ void main() {
 
         expect(room?.name, 'start');
 
+        expect(room?.roomAccountData['m.test']?.content, {'foo': 'bar'});
+
         await database.storeEventUpdate(
           EventUpdate(
             roomID: roomid,