validateIntegrity method Null safety

VerificationContext validateIntegrity(
  1. Insertable<FieldData> instance,
  2. {bool isInserting = false}
)
override

Validates that the given entity can be inserted into this table, meaning that it respects all constraints (nullability, text length, etc.).

Implementation

@override
VerificationContext validateIntegrity(Insertable<FieldData> instance,
    {bool isInserting = false}) {
  final context = VerificationContext();
  final data = instance.toColumns(true);
  if (data.containsKey('id')) {
    context.handle(_idMeta, id.isAcceptableOrUnknown(data['id']!, _idMeta));
  } else if (isInserting) {
    context.missing(_idMeta);
  }
  if (data.containsKey('created')) {
    context.handle(_createdMeta,
        created.isAcceptableOrUnknown(data['created']!, _createdMeta));
  } else if (isInserting) {
    context.missing(_createdMeta);
  }
  if (data.containsKey('updated')) {
    context.handle(_updatedMeta,
        updated.isAcceptableOrUnknown(data['updated']!, _updatedMeta));
  } else if (isInserting) {
    context.missing(_updatedMeta);
  }
  context.handle(_typeMeta, const VerificationResult.success());
  if (data.containsKey('name')) {
    context.handle(
        _nameMeta, name.isAcceptableOrUnknown(data['name']!, _nameMeta));
  } else if (isInserting) {
    context.missing(_nameMeta);
  }
  if (data.containsKey('system')) {
    context.handle(_systemMeta,
        system.isAcceptableOrUnknown(data['system']!, _systemMeta));
  } else if (isInserting) {
    context.missing(_systemMeta);
  }
  if (data.containsKey('required')) {
    context.handle(_requiredMeta,
        required.isAcceptableOrUnknown(data['required']!, _requiredMeta));
  } else if (isInserting) {
    context.missing(_requiredMeta);
  }
  if (data.containsKey('unique')) {
    context.handle(_uniqueMeta,
        unique.isAcceptableOrUnknown(data['unique']!, _uniqueMeta));
  } else if (isInserting) {
    context.missing(_uniqueMeta);
  }
  if (data.containsKey('collection_id')) {
    context.handle(
        _collectionIdMeta,
        collectionId.isAcceptableOrUnknown(
            data['collection_id']!, _collectionIdMeta));
  } else if (isInserting) {
    context.missing(_collectionIdMeta);
  }
  if (data.containsKey('extra')) {
    context.handle(
        _extraMeta, extra.isAcceptableOrUnknown(data['extra']!, _extraMeta));
  } else if (isInserting) {
    context.missing(_extraMeta);
  }
  return context;
}