Files
notarius/internal/modules/dnd/validate/combatturns/source_refs/validator.go

126 lines
4.4 KiB
Go

package sourcerefs
import (
"context"
"fmt"
"gitea.maximumdirect.net/eric/notarius/internal/core/source"
"gitea.maximumdirect.net/eric/notarius/internal/framework/contracts"
"gitea.maximumdirect.net/eric/notarius/internal/framework/pipeline"
"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd"
"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/shared/diagnostics"
combatshape "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/combatturns/shape"
)
const (
Key = "extract/dnd/combat-turns/source_refs"
ReasonCode = "invalid_combat_turn_source_refs"
policy = "dnd.combat_turns.validator.source_refs.v2"
)
type Options struct{}
type Validator struct{}
var _ contracts.TypedValidator[dnd.CombatTurnList] = (*Validator)(nil)
var _ pipeline.CheckpointFingerprintProvider = (*Validator)(nil)
func New(Options) *Validator { return &Validator{} }
func (v *Validator) Name() string { return Key }
func (v *Validator) ExecutionClass() contracts.ExecutionClass {
return contracts.ExecutionClassDeterministic
}
func (v *Validator) CheckpointFingerprints() []pipeline.CheckpointFingerprint {
return []pipeline.CheckpointFingerprint{{Name: "policy", Value: policy}}
}
func (v *Validator) Validate(_ context.Context, req contracts.TypedValidationRequest[dnd.CombatTurnList]) (contracts.ValidationResult, error) {
if req.Stage == string(pipeline.StageExtract) && req.Chunk == nil {
return contracts.ValidationResult{}, fmt.Errorf("combat-turn source-reference validator requires the current extraction chunk")
}
if err := combatshape.Validate(req.Value); err != nil {
return contracts.ValidationResult{Approved: true}, nil
}
var coverage *chunkCoverage
if req.Stage == string(pipeline.StageExtract) {
coverage = newChunkCoverage(req.Chunk)
}
issues := sourceRefIssues(source.NewDocumentIndex(req.Source), req.Source, coverage, req.Value)
if len(issues) == 0 {
return contracts.ValidationResult{Approved: true}, nil
}
return contracts.ValidationResult{
Approved: false,
ReasonCode: ReasonCode,
Message: diagnostics.Aggregate("invalid combat turn source references", issues),
}, nil
}
func sourceRefIssues(index source.DocumentIndex, doc *source.SourceDocument, coverage *chunkCoverage, value dnd.CombatTurnList) []string {
issues := make([]string, 0)
for turnIndex, turn := range value.CombatTurns {
for refIndex, ref := range turn.SourceRefs {
if err := index.ValidateRef(ref); err != nil {
issues = append(issues, fmt.Sprintf("combat_turns[%d].source_refs[%d]: %s", turnIndex, refIndex, diagnostics.Truncate(err.Error())))
continue
}
if coverage != nil && !coverage.contains(doc, ref) {
issues = append(issues, fmt.Sprintf("combat_turns[%d].source_refs[%d]: source reference is outside the current extraction chunk", turnIndex, refIndex))
}
}
}
return issues
}
type chunkCoverage struct {
sourceID string
unitIDs map[int]struct{}
}
func newChunkCoverage(chunk *source.Chunk) *chunkCoverage {
coverage := &chunkCoverage{sourceID: chunk.SourceID, unitIDs: make(map[int]struct{}, len(chunk.Units))}
for _, unit := range chunk.Units {
coverage.unitIDs[unit.ID] = struct{}{}
}
return coverage
}
func (coverage *chunkCoverage) contains(doc *source.SourceDocument, ref source.SourceRef) bool {
if coverage == nil || doc == nil || ref.SourceID != coverage.sourceID {
return false
}
start, startOK := source.UnitIndex(doc, ref.StartUnitID)
end, endOK := source.UnitIndex(doc, ref.EndUnitID)
if !startOK || !endOK || start > end {
return false
}
for position := start; position <= end; position++ {
if _, found := coverage.unitIDs[doc.Units[position].ID]; !found {
return false
}
}
return true
}
func Spec() pipeline.ValidatorSpec {
return pipeline.ValidatorSpec{Key: Key, ExecutionClass: contracts.ExecutionClassDeterministic}
}
func Register(registry *pipeline.ValidatorRegistry) error {
return pipeline.RegisterTypedValidatorBuilder(registry, dnd.CombatTurnListKind, Spec(), validateOptions, func(request pipeline.BuildRequest) (contracts.TypedValidator[dnd.CombatTurnList], error) {
options, err := DecodeOptions(request.Options)
if err != nil {
return nil, err
}
return New(options), nil
})
}
func DecodeOptions(options map[string]any) (Options, error) {
if err := pipeline.RejectUnknownOptions(options); err != nil {
return Options{}, err
}
return Options{}, nil
}
func validateOptions(options map[string]any) error { _, err := DecodeOptions(options); return err }