refactor: split modules and harden scraping workflows

internal/service/scanner_cloud_conflict.go

@@ -0,0 +1,42 @@
+package service
+
+import (
+	"context"
+
+	"go.uber.org/zap"
+
+	"github.com/ShukeBta/MediaStationGo/internal/model"
+)
+
+func (s *ScannerService) shadowedCloudLibrary(ctx context.Context, lib *model.Library) *CloudMountConflict {
+	libs, err := s.repo.Library.List(ctx)
+	if err != nil {
+		s.log.Warn("list libraries for cloud shadow check failed", zap.String("library_id", lib.ID), zap.Error(err))
+		return nil
+	}
+	visible := FilterScannableCloudLibraries(ctx, s.repo, libs)
+	for _, kept := range visible {
+		if kept.ID == lib.ID {
+			return nil
+		}
+	}
+	current, ok := ParseCloudLibraryMount(lib.Path)
+	if ok {
+		currentKey, _ := cloudLibraryDisplayKey(*lib)
+		for _, kept := range visible {
+			info, ok := ParseCloudLibraryMount(kept.Path)
+			if !ok || info.Provider != current.Provider {
+				continue
+			}
+			keptKey, _ := cloudLibraryDisplayKey(kept)
+			exact := currentKey != "" && currentKey == keptKey
+			return &CloudMountConflict{
+				Library:            kept,
+				Exact:              exact,
+				Nested:             !exact,
+				ExistingIsAncestor: cloudMountAncestor(info.DisplayDir, current.DisplayDir),
+			}
+		}
+	}
+	return CloudLibraryShadowed(libs, *lib)
+}