Upgraded the restore command to download previous session artifcats when configured as inputs for the current session analyze stage

internal/app/restore_plan.go

@@ -13,6 +13,7 @@ import (
 	"gitea.maximumdirect.net/eric/narratio/internal/adapters/storage"
 	"gitea.maximumdirect.net/eric/narratio/internal/artifacts"
 	"gitea.maximumdirect.net/eric/narratio/internal/config"
+	"gitea.maximumdirect.net/eric/narratio/internal/previouscache"
 )
 
 // RestoreActionKind identifies one restore planner action.
@@ -114,6 +115,12 @@ func buildRestorePlan(ctx context.Context, cfg *config.Config, current *RemoteCu
 		actions = append(actions, action)
 	}
 
+	previousActions, err := buildPreviousCacheRestoreActions(ctx, cfg, sessionPaths, store, opts.Force)
+	if err != nil {
+		return nil, err
+	}
+	actions = append(actions, previousActions...)
+
 	sort.Slice(actions, func(i, j int) bool {
 		if actions[i].LocalRelativePath == actions[j].LocalRelativePath {
 			return actions[i].RemoteKey < actions[j].RemoteKey
@@ -195,7 +202,7 @@ func restoreLocalRelativePathForKey(sessionPrefix, currentManifestKey, key strin
 		return cleanRel, true, nil
 	}
 	if cleanRel == config.PathPreviousDirSegment || strings.HasPrefix(cleanRel, config.PathPreviousDirSegment+"/") {
-		return cleanRel, true, nil
+		return "", false, nil
 	}
 	if includeAudio && (cleanRel == config.PathAudioDirSegment || strings.HasPrefix(cleanRel, config.PathAudioDirSegment+"/")) {
 		return cleanRel, true, nil
@@ -223,6 +230,35 @@ func joinWithinSessionRoot(sessionRoot, relative string) (string, error) {
 	return abs, nil
 }
 
+func buildPreviousCacheRestoreActions(
+	ctx context.Context,
+	cfg *config.Config,
+	sessionPaths artifacts.SessionPaths,
+	store storage.ObjectStore,
+	force bool,
+) ([]RestoreAction, error) {
+	if cfg == nil || cfg.Pipeline == nil || cfg.Pipeline.Scriptorium == nil {
+		return nil, nil
+	}
+	requirements := artifacts.CollectPreviousArtifactRequirements(cfg.Pipeline.Scriptorium.Artifacts)
+	if len(requirements) == 0 {
+		return nil, nil
+	}
+	plan, err := previouscache.BuildPlan(ctx, cfg, sessionPaths, requirements, store)
+	if err != nil {
+		return nil, fmt.Errorf("plan previous-session cache restore: %w", err)
+	}
+	actions := make([]RestoreAction, 0, len(plan.Records))
+	for _, record := range plan.Records {
+		action, err := classifyRestoreAction(ctx, store, storage.ObjectInfo{Key: record.RemoteKey}, record.LocalRelativePath, record.LocalPath, force)
+		if err != nil {
+			return nil, fmt.Errorf("classify previous-session cache object %q: %w", record.RemoteKey, err)
+		}
+		actions = append(actions, action)
+	}
+	return actions, nil
+}
+
 func classifyRestoreAction(
 	ctx context.Context,
 	store storage.ObjectStore,