AyuGram4A: Modified Telegram client with privacy features

public class AyuMessageUtils {
    private static final String TAG = "AyuMessageUtils";
    private SQLiteDatabase database;
    
    public AyuMessageUtils(Context context) {
        AyuDatabaseHelper helper = new AyuDatabaseHelper(context);
        this.database = helper.getWritableDatabase();
    }
    
    public void saveDeletedMessage(TLRPC.Message message, long chatId) {
        ContentValues values = new ContentValues();
        values.put("message_id", message.id);
        values.put("chat_id", chatId);
        values.put("message_text", message.message);
        values.put("date", message.date);
        values.put("from_id", message.from_id != null ? message.from_id.user_id : 0);
        values.put("deleted_date", System.currentTimeMillis() / 1000);
        database.insert("deleted_messages", null, values);
        if (BuildVars.LOGS_ENABLED) {
            FileLog.d(TAG + ": Saved deleted message " + message.id + " from chat " + chatId);
        }
    }
    
    public ArrayList<TLRPC.Message> getDeletedMessages(long chatId) {
        ArrayList<TLRPC.Message> messages = new ArrayList<>();
        Cursor cursor = database.query("deleted_messages", null, "chat_id = ?", 
            new String[]{String.valueOf(chatId)}, null, null, "date DESC");
        
        while (cursor.moveToNext()) {
            TLRPC.Message message = new TLRPC.TL_message();
            message.id = cursor.getInt(cursor.getColumnIndex("message_id"));
            message.message = cursor.getString(cursor.getColumnIndex("message_text"));
            message.date = cursor.getInt(cursor.getColumnIndex("date"));
            messages.add(message);
        }
        cursor.close();
        return messages;
    }
}