94 lines
3.2 KiB
Go
94 lines
3.2 KiB
Go
// Package shape validates the candidate shape of D&D enemy-event artifacts.
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package shape
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import (
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"context"
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"fmt"
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"strings"
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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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enemyeventmodel "gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/enemyevents"
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"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/shared/diagnostics"
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)
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const (
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Key = "extract/dnd/enemy-events/shape"
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ReasonCode = "invalid_enemy_event_shape"
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policy = "dnd.enemy_events.validator.shape.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.EnemyEventList] = (*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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func (v *Validator) Validate(_ context.Context, req contracts.TypedValidationRequest[dnd.EnemyEventList]) (contracts.ValidationResult, error) {
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if err := Validate(req.Value); err != nil {
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return contracts.ValidationResult{Approved: false, ReasonCode: ReasonCode, Message: err.Error()}, nil
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}
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return contracts.ValidationResult{Approved: true}, nil
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}
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func Validate(value dnd.EnemyEventList) error {
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issues := issuesFor(value)
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if len(issues) == 0 {
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return nil
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}
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return fmt.Errorf("%s", diagnostics.Aggregate("invalid enemy event shape", issues))
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}
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func issuesFor(value dnd.EnemyEventList) []string {
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if value.Events == nil {
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return []string{"events must be present"}
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}
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issues := make([]string, 0)
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for eventIndex, event := range value.Events {
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prefix := fmt.Sprintf("events[%d]", eventIndex)
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if strings.TrimSpace(event.Name) == "" {
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issues = append(issues, prefix+".name must not be empty: "+diagnostics.Quote(event.Name))
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}
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if !enemyeventmodel.SupportedKind(event.Kind) {
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issues = append(issues, prefix+".kind is unsupported: "+diagnostics.Quote(string(event.Kind)))
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}
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if len(event.SourceRefs) == 0 {
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issues = append(issues, prefix+".source_refs must contain at least one reference")
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}
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}
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return issues
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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.EnemyEventListKind, Spec(), validateOptions, func(request pipeline.BuildRequest) (contracts.TypedValidator[dnd.EnemyEventList], 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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