Function IsTupleFilterEmpty

internal/validation/validation.go:111–145

IsTupleFilterEmpty checks whether any of the fields in a TupleFilter are filled. It assumes that a filter is "empty" if all its fields are unset or have zero values.

(filter *base.TupleFilter)

// IsTupleFilterEmpty checks whether any of the fields in a TupleFilter are filled.
// It assumes that a filter is "empty" if all its fields are unset or have zero values.
func IsTupleFilterEmpty(filter *base.TupleFilter) bool {
	// If the entity type is set, the filter is not empty.
	if filter.GetEntity().GetType() != "" {
		return false // Entity type is present, therefore filter is not empty.
	}

	// If the entity IDs slice is not empty, the filter is not empty.
	if len(filter.GetEntity().GetIds()) > 0 {
		return false // Entity IDs are present, therefore filter is not empty.
	}

	// If the relation is set, the filter is not empty.
	if filter.GetRelation() != "" {
		return false // Relation is present, therefore filter is not empty.
	}

	// If the subject type is set, the filter is not empty.
	if filter.GetSubject().GetType() != "" {
		return false // Subject type is present, therefore filter is not empty.
	}

	// If the subject IDs slice is not empty, the filter is not empty.
	if len(filter.GetSubject().GetIds()) > 0 {
		return false // Subject IDs are present, therefore filter is not empty.
	}

	// If the subject relation is set, the filter is not empty.
	if filter.GetSubject().GetRelation() != "" {
		return false // Subject relation is present, therefore filter is not empty.
	}

	// If none of the above conditions are met, then all fields are unset or have zero values,
	// which means the filter is empty.
	return true
}

// IsAttributeFilterEmpty checks if the provided AttributeFilter object is empty.
// An AttributeFilter is considered empty if none of its fields have been set.