Organize D&D extensions by domain

internal/modules/dnd/validate/spells/source_refs/validator.go

@@ -0,0 +1,69 @@
+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/validate/spells/spellpayload"
+)
+
+const Key = "extract/dnd/spells/source_refs"
+const ReasonCode = "invalid_source_refs"
+
+var _ contracts.Validator = (*Validator)(nil)
+
+type Validator struct{}
+
+func New() *Validator {
+	return &Validator{}
+}
+
+func (v *Validator) Name() string {
+	return Key
+}
+
+func (v *Validator) ExecutionClass() contracts.ExecutionClass {
+	return contracts.ExecutionClassDeterministic
+}
+
+func (v *Validator) Validate(ctx context.Context, req contracts.ValidationRequest) (contracts.ValidationResult, error) {
+	payload, err := spellpayload.ValidationRequestPayload(req)
+	if err != nil {
+		return rejection(err.Error()), nil
+	}
+	if err := spellpayload.ValidateShape(payload); err != nil {
+		return rejection(err.Error()), nil
+	}
+	for spellIndex, spell := range payload.SpellCasts {
+		for refIndex, ref := range spellpayload.SourceRefCandidates(req.Source, spell) {
+			if err := source.ValidateRef(req.Source, ref); err != nil {
+				return rejection(fmt.Sprintf("spell_casts[%d].source_refs[%d]: %v", spellIndex, refIndex, err)), nil
+			}
+		}
+	}
+	return contracts.ValidationResult{Approved: true}, nil
+}
+
+func Spec() pipeline.ValidatorSpec {
+	return pipeline.ValidatorSpec{
+		Key:            Key,
+		ExecutionClass: contracts.ExecutionClassDeterministic,
+	}
+}
+
+func Register(registry *pipeline.ValidatorRegistry) error {
+	return registry.RegisterWithSpec(Spec(), func() (contracts.Validator, error) {
+		return New(), nil
+	})
+}
+
+func rejection(message string) contracts.ValidationResult {
+	return contracts.ValidationResult{
+		Approved:   false,
+		ReasonCode: ReasonCode,
+		Message:    message,
+	}
+}