prepareSeoEditorialWorkflowComponent function

Implementation

SeoEditorialWorkflowComponentPlan? prepareSeoEditorialWorkflowComponent({
  required List<SeoEditorialWorkflowStageEntry> stages,
  required SeoEditorialWorkflowState initialState,
  required SeoEditorialWorkflowViewProjection project,
  String? interactionId,
  int headingLevel = 2,
  String heading = 'Editorial workflow',
  String interactionLabel = 'Editorial approval workflow',
  String statusLabel = 'Status',
  String progressLabel = 'Progress',
  String historyLabel = 'History',
  String submitLabel = 'Submit for review',
  String approveLabel = 'Approve',
  String rejectLabel = 'Reject',
  String publishLabel = 'Publish',
}) {
  if (stages.length != SeoEditorialWorkflowStage.values.length) return null;
  final rawLabels = <String>[
    heading,
    interactionLabel,
    statusLabel,
    progressLabel,
    historyLabel,
    submitLabel,
    approveLabel,
    rejectLabel,
    publishLabel,
    for (final stage in stages) stage.label,
  ];
  if (rawLabels.fold<int>(0, (sum, label) => sum + label.length) >
      seoEditorialWorkflowMaxAggregateLabelTextLength) {
    return null;
  }
  final labels = <String>[];
  for (final raw in rawLabels) {
    final label = canonicalizeSeoConfiguratorText(
      raw,
      maxLength: seoEditorialWorkflowMaxLabelTextLength,
    );
    if (label == null) return null;
    labels.add(label.trim());
  }
  final stageLabels = labels.skip(9).toList(growable: false);
  if (stageLabels.toSet().length != stageLabels.length) return null;

  final initial = evaluateInitialSeoEditorialWorkflowView(
    project,
    initialState,
  );
  if (initial == null) return null;
  final candidateId = interactionId?.trim();
  final id = candidateId != null && isValidSeoInteractionId(candidateId)
      ? candidateId
      : null;
  return SeoEditorialWorkflowComponentPlan._(
    stages: List.unmodifiable([
      for (final (index, stage) in stages.indexed)
        (
          label: stageLabels[index],
          nodes: List<SeoNode>.unmodifiable(stage.nodes),
        ),
    ]),
    initial: initial,
    interactionId: id,
    headingLevel: headingLevel.clamp(1, 6),
    heading: labels[0],
    interactionLabel: labels[1],
    statusLabel: labels[2],
    progressLabel: labels[3],
    historyLabel: labels[4],
    submitLabel: labels[5],
    approveLabel: labels[6],
    rejectLabel: labels[7],
    publishLabel: labels[8],
  );
}