Method readIndex

app/src/AI/ChatStore.cpp:248–281

* @brief Reads the index file into m_chats / m_lastActive; tolerant of a missing file. */

 * @brief Reads the index file into m_chats / m_lastActive; tolerant of a missing file.
 */
void AI::ChatStore::readIndex()
{
  m_chats.clear();
  m_lastActive.clear();

  QFile f(indexPath());
  if (!f.exists() || !f.open(QIODevice::ReadOnly))
    return;

  const auto bytes = f.readAll();
  f.close();

  const auto doc = QJsonDocument::fromJson(bytes);
  if (!doc.isObject())
    return;

  const auto root = doc.object();
  m_lastActive    = root.value(QStringLiteral("lastActive")).toString();

  const auto arr = root.value(QStringLiteral("chats")).toArray();
  for (const auto& v : arr) {
    const auto obj     = v.toObject();
    const auto created = obj.value(QStringLiteral("createdAt"));
    const auto updated = obj.value(QStringLiteral("updatedAt"));
    Meta meta;
    meta.id        = obj.value(QStringLiteral("id")).toString();
    meta.title     = obj.value(QStringLiteral("title")).toString();
    meta.createdAt = static_cast<qint64>(SerialStudio::toDouble(created));
    meta.updatedAt = static_cast<qint64>(SerialStudio::toDouble(updated));
    meta.count     = obj.value(QStringLiteral("count")).toInt();
    if (!meta.id.isEmpty())
      m_chats.append(meta);
  }
}

/**
 * @brief Writes m_chats / m_lastActive back to the index file; best effort.