Add Markdown HTML publication

internal/publish/plan.go

@@ -8,6 +8,8 @@ import (
 	"gitea.maximumdirect.net/eric/distributor/internal/config"
 	"gitea.maximumdirect.net/eric/distributor/internal/state"
 	"gitea.maximumdirect.net/eric/distributor/internal/storage"
+	"gitea.maximumdirect.net/eric/distributor/internal/transform"
+	markdowntransform "gitea.maximumdirect.net/eric/distributor/internal/transform/markdown"
 )
 
 type Action string
@@ -29,6 +31,7 @@ type Request struct {
 	DestinationBackend    storage.Backend
 	DestinationBundlePath string
 	Publish               config.PublishPolicy
+	Transform             config.Transform
 	Transfer              config.TransferPolicy
 	DistributorVersion    string
 }
@@ -48,6 +51,9 @@ type Plan struct {
 type Output struct {
 	SourcePath      string
 	DestinationPath string
+	Kind            string
+	Transform       string
+	Data            []byte
 	SHA256          string
 	Size            int64
 }
@@ -56,7 +62,7 @@ func Build(ctx context.Context, req Request) (Plan, error) {
 	if err := validateRequest(req); err != nil {
 		return Plan{}, err
 	}
-	outputs, err := PlanSourceOutputs(req)
+	outputs, err := PlanOutputs(ctx, req)
 	if err != nil {
 		return Plan{}, err
 	}
@@ -96,15 +102,21 @@ func validateRequest(req Request) error {
 	if req.DestinationBackend == nil {
 		return fmt.Errorf("destination backend is required")
 	}
-	if req.Publish.HTML {
-		return fmt.Errorf("publish html is not implemented")
+	if !req.Publish.Source && !req.Publish.HTML {
+		return fmt.Errorf("publish source or html must be enabled")
 	}
-	if !req.Publish.Source {
-		return fmt.Errorf("publish source must be enabled")
+	if req.Publish.HTML {
+		if req.Transform.MarkdownToHTML == nil || !req.Transform.MarkdownToHTML.Enabled || req.Transform.MarkdownToHTML.Mode != config.TransformModeSidecar {
+			return fmt.Errorf("publish html requires markdown_to_html transform enabled with sidecar mode")
+		}
 	}
 	return nil
 }
 
+func markdownTransformer() transform.Transformer {
+	return markdowntransform.New()
+}
+
 func actionForComparison(comparison state.Comparison, transfer config.TransferPolicy) (Action, string) {
 	switch comparison.Outcome {
 	case state.OutcomeDestinationAbsent: