Added ignore ? (ignore list) and sync ignores

api/src/main/java/com/alttd/chat/database/Queries.java

@@ -438,26 +438,39 @@ public class Queries {
     public static String getDisplayName(UUID uuid) {
         String nickname = getNickname(uuid);
         if (nickname != null) return nickname;
+        HashSet<String> userNames = getUserNames(List.of(uuid));
+        return userNames.isEmpty() ? null : userNames.iterator().next();
+    }
 
-        // View has been created.
-        String query = "SELECT Username FROM utility_users WHERE uuid = ?";
+    public static HashSet<String> getUserNames(List<UUID> uuid) {
+        StringBuilder query = new StringBuilder("SELECT Username FROM utility_users WHERE uuid IN (");
+        if (uuid.isEmpty()) return new HashSet<>();
+
+        query.append("?, ".repeat(uuid.size()));
+        query.delete(query.length() - 2, query.length());
+        query.append(")");
+
+        HashSet<String> userNames = new HashSet<>();
 
         try {
             Connection connection = DatabaseConnection.getConnection();
 
-            PreparedStatement statement = connection.prepareStatement(query);
+            PreparedStatement statement = connection.prepareStatement(query.toString());
 
-            statement.setString(1, uuid.toString());
+            for (int i = 0; i < uuid.size(); i++) {
+                statement.setString(i + 1, uuid.get(i).toString());
+            }
 
             ResultSet resultSet = statement.executeQuery();
 
-            if (resultSet.next()) {
-                return resultSet.getString("Username");
+            while (resultSet.next()) {
+                userNames.add(resultSet.getString("Username"));
             }
 
         } catch (SQLException e) {
             e.printStackTrace();
         }
-        return null;
+
+        return userNames;
     }
 }

api/src/main/java/com/alttd/chat/managers/ChatUserManager.java

@@ -31,11 +31,15 @@ public final class ChatUserManager {
                 return user;
             }
         }
-        ChatUser user = Queries.loadChatUser(uuid);
-        if(user == null) user = new ChatUser(uuid, -1, false, false);
-        Queries.saveUser(user);
-        chatUsers.add(user);
-        return user;
+        ChatUser chatUser = Queries.loadChatUser(uuid);
+        if (chatUser != null) {
+            ChatUserManager.addUser(chatUser);
+        }
+        return chatUser;
+//        if(user == null) user = new ChatUser(uuid, -1, false, false);
+//        Queries.saveUser(user);
+//        chatUsers.add(user);
+//        return user;
     }
 
     public List<Mail> getUnReadMail(ChatUser user) {