address things

lib/src/client.dart

@@ -91,13 +91,13 @@ class Client {
     verificationMethods ??= <KeyVerificationMethod>{};
     importantStateEvents ??= <String>{};
     importantStateEvents.addAll([
-      'm.room.name',
-      'm.room.avatar',
-      'm.room.message',
-      'm.room.encrypted',
-      'm.room.encryption',
-      'm.room.canonical_alias',
-      'm.room.tombstone',
+      EventTypes.RoomName,
+      EventTypes.RoomAvatar,
+      EventTypes.Message,
+      EventTypes.Encrypted,
+      EventTypes.Encryption,
+      EventTypes.RoomCanonicalAlias,
+      EventTypes.RoomTombstone,
     ]);
     api = MatrixApi(debug: debug, httpClient: httpClient);
     onLoginStateChanged.stream.listen((loginState) {
@@ -980,6 +980,16 @@ class Client {
       if (event['type'] == EventTypes.Encrypted && encryptionEnabled) {
         update = await update.decrypt(room);
       }
+      if (event['type'] == EventTypes.Message &&
+          !room.isDirectChat &&
+          database != null &&
+          room.getState(EventTypes.RoomMember, event['sender']) == null) {
+        // In order to correctly render room list previews we need to fetch the member from the database
+        final user = await database.getUser(id, event['sender'], room);
+        if (user != null) {
+          room.setState(user);
+        }
+      }
       if (type != 'ephemeral' && database != null) {
         await database.storeEventUpdate(id, update);
       }

lib/src/database/database.dart

@@ -199,7 +199,7 @@ class Database extends _$Database {
       // we limit to only fetching 500 rooms at once.
       // This value might be fine-tune-able to be larger (and thus increase performance more for very large accounts),
       // however this very conservative value should be on the safe side.
-      final MAX_ROOMS_PER_QUERY = 500;
+      const MAX_ROOMS_PER_QUERY = 500;
       // as we iterate over our entries in separate chunks one-by-one we use an iterator
       // which persists accross the chunks, and thus we just re-sume iteration at the place
       // we prreviously left off.