Function validateDataset

app/src/API/Handlers/ProjectHandler.cpp:5706–5747

* @brief Validates a single dataset's references and per-field invariants. */

 * @brief Validates a single dataset's references and per-field invariants.
 */
static void validateDataset(const DataModel::Dataset& d,
                            const DataModel::Group& g,
                            const QSet<int>& sourceIds,
                            QSet<int>& datasetIndexes,
                            QJsonArray& issues,
                            bool& ok)
{
  const QString dloc = QStringLiteral("group[%1].dataset[%2]")
                         .arg(QString::number(g.groupId), QString::number(d.datasetId));

  if (!sourceIds.contains(d.sourceId)) {
    ok = false;
    addIssue(issues,
             QStringLiteral("error"),
             dloc,
             QStringLiteral("Dataset references missing source id %1").arg(d.sourceId));
  }

  if (d.title.trimmed().isEmpty())
    addIssue(issues, QStringLiteral("warning"), dloc, QStringLiteral("Dataset has no title"));

  if (!d.virtual_ && d.index <= 0)
    addIssue(issues,
             QStringLiteral("warning"),
             dloc,
             QStringLiteral("Non-virtual dataset has index 0; nothing maps to it"));

  if (!d.virtual_ && datasetIndexes.contains(d.index)) {
    ok = false;
    addIssue(issues,
             QStringLiteral("error"),
             dloc,
             QStringLiteral("Dataset index %1 is already used in this group").arg(d.index));
  }
  datasetIndexes.insert(d.index);

  if (d.fft && d.fftSamples <= 0) {
    ok = false;
    addIssue(
      issues, QStringLiteral("error"), dloc, QStringLiteral("FFT enabled but fftSamples is 0"));
  }
}

/**
 * @brief Validates each group and its datasets against the source-id set.