89 lines
3.3 KiB
Go
89 lines
3.3 KiB
Go
// Package sourcerelatedness warns when item-event evidence does not mention its item.
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package sourcerelatedness
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import (
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"context"
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"fmt"
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"gitea.maximumdirect.net/eric/notarius/internal/framework/contracts"
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"gitea.maximumdirect.net/eric/notarius/internal/framework/pipeline"
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"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd"
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"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/shared"
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"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/shared/diagnostics"
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itemeventshape "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/validate/itemevents/shape"
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)
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const (
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Key = "extract/dnd/item-events/source_relatedness"
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WarningReasonCode = "item_event_source_unrelated"
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OmittedReasonCode = "item_event_relatedness_warnings_omitted"
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policy = "dnd.item_events.source_relatedness.v1"
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)
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type Options struct{}
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type Validator struct{}
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var _ contracts.TypedValidator[dnd.ItemEventList] = (*Validator)(nil)
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var _ pipeline.CheckpointFingerprintProvider = (*Validator)(nil)
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func New(Options) *Validator { return &Validator{} }
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func (v *Validator) Name() string { return Key }
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func (v *Validator) ExecutionClass() contracts.ExecutionClass {
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return contracts.ExecutionClassDeterministic
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}
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func (v *Validator) CheckpointFingerprints() []pipeline.CheckpointFingerprint {
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return []pipeline.CheckpointFingerprint{{Name: "policy", Value: policy}}
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}
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// Validate performs advisory source grounding only. Shape and range failures
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// are intentionally left to their blocking owners.
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func (v *Validator) Validate(_ context.Context, req contracts.TypedValidationRequest[dnd.ItemEventList]) (contracts.ValidationResult, error) {
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if itemeventshape.Validate(req.Value) != nil {
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return contracts.ValidationResult{Approved: true}, nil
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}
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resolver, err := shared.NewCitationResolver(req.Source)
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if err != nil {
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return contracts.ValidationResult{Approved: true}, nil
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}
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warnings := make([]contracts.Warning, 0)
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for index, event := range req.Value.Events {
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citedText, err := resolver.CitedText(event.SourceRefs)
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if err != nil || shared.ContainsTokenSequence(citedText, event.Name) {
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continue
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}
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warnings = append(warnings, contracts.Warning{
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Scope: fmt.Sprintf("events[%d]", index),
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ReasonCode: WarningReasonCode,
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Message: fmt.Sprintf("item event name %s was not found in cited source text", diagnostics.Quote(event.Name)),
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})
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}
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return contracts.ValidationResult{
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Approved: true,
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Warnings: diagnostics.LimitWarnings(warnings, "item_events", OmittedReasonCode),
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}, nil
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}
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func Spec() pipeline.ValidatorSpec {
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return pipeline.ValidatorSpec{Key: Key, ExecutionClass: contracts.ExecutionClassDeterministic}
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}
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func Register(registry *pipeline.ValidatorRegistry) error {
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return pipeline.RegisterTypedValidatorBuilder(registry, dnd.ItemEventListKind, Spec(), validateOptions, func(request pipeline.BuildRequest) (contracts.TypedValidator[dnd.ItemEventList], error) {
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options, err := DecodeOptions(request.Options)
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if err != nil {
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return nil, err
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}
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return New(options), nil
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})
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}
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func DecodeOptions(options map[string]any) (Options, error) {
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if err := pipeline.RejectUnknownOptions(options); err != nil {
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return Options{}, err
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}
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return Options{}, nil
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}
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func validateOptions(options map[string]any) error { _, err := DecodeOptions(options); return err }
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