Method refreshModels

app/src/AI/Providers/LocalProvider.cpp:283–335

* @brief Issues a GET to /v1/models and refreshes the cached model list. */

 * @brief Issues a GET to /v1/models and refreshes the cached model list.
 */
void AI::LocalProvider::refreshModels()
{
  QNetworkRequest req((QUrl(modelsEndpoint())));
  req.setTransferTimeout(5 * 1000);
  req.setRawHeader("accept", "application/json");

  qCDebug(serialStudioAI) << "GET" << modelsEndpoint();

  auto* reply = m_nam.get(req);
  connect(reply, &QNetworkReply::finished, this, [this, reply]() {
    reply->deleteLater();

    if (reply->error() != QNetworkReply::NoError) {
      const bool localActive =
        static_cast<ProviderId>(AI::Assistant::instance().currentProvider()) == ProviderId::Local;
      if (reply->error() == QNetworkReply::ConnectionRefusedError || !localActive)
        qCDebug(serialStudioAI) << "Local model list query failed:" << reply->errorString();
      else
        qCInfo(serialStudioAI) << "Local model list query failed:" << reply->errorString();

      return;
    }

    Misc::JsonValidator::Limits limits;
    limits.maxFileSize = 256 * 1024;
    const auto parsed  = Misc::JsonValidator::parseAndValidate(reply->readAll(), limits);
    if (!parsed.valid || !parsed.document.isObject()) {
      qCInfo(serialStudioAI) << "Local model list: invalid JSON --" << parsed.errorMessage;
      return;
    }

    QStringList ids;
    const auto data = parsed.document.object().value(QStringLiteral("data")).toArray();
    for (const auto& v : data) {
      const auto id = v.toObject().value(QStringLiteral("id")).toString();
      if (!id.isEmpty())
        ids.append(id);
    }

    if (ids.isEmpty()) {
      qCInfo(serialStudioAI) << "Local model list returned 0 entries; keeping cache";
      return;
    }

    if (ids == m_models)
      return;

    m_models = ids;
    persistCachedModels();
    qCInfo(serialStudioAI) << "Local model list refreshed:" << ids.size() << "models";
    Q_EMIT modelsChanged();
  });
}

//--------------------------------------------------------------------------------------------------
// sendMessage