精简后的项目：仅保留 api/ui 源码、文档、构建依赖

api/scanner/scanner_task/scanner_task_base.go

@@ -0,0 +1,39 @@
+package scanner_task
+
+import (
+	"io/fs"
+
+	"github.com/photoview/photoview/api/graphql/models"
+	"github.com/photoview/photoview/api/scanner/media_encoding"
+)
+
+// ScannerTaskBase provides a default "empty" implementation of ScannerTask,
+type ScannerTaskBase struct{}
+
+func (t ScannerTaskBase) BeforeScanAlbum(ctx TaskContext) (TaskContext, error) {
+	return ctx, nil
+}
+
+func (t ScannerTaskBase) AfterScanAlbum(ctx TaskContext, changedMedia []*models.Media, albumMedia []*models.Media) error {
+	return nil
+}
+
+func (t ScannerTaskBase) MediaFound(ctx TaskContext, fileInfo fs.FileInfo, mediaPath string) (skip bool, err error) {
+	return false, nil
+}
+
+func (t ScannerTaskBase) AfterMediaFound(ctx TaskContext, media *models.Media, newMedia bool) error {
+	return nil
+}
+
+func (t ScannerTaskBase) BeforeProcessMedia(ctx TaskContext, mediaData *media_encoding.EncodeMediaData) (TaskContext, error) {
+	return ctx, nil
+}
+
+func (t ScannerTaskBase) ProcessMedia(ctx TaskContext, mediaData *media_encoding.EncodeMediaData, mediaCachePath string) (updatedURLs []*models.MediaURL, err error) {
+	return []*models.MediaURL{}, nil
+}
+
+func (t ScannerTaskBase) AfterProcessMedia(ctx TaskContext, mediaData *media_encoding.EncodeMediaData, updatedURLs []*models.MediaURL, mediaIndex int, mediaTotal int) error {
+	return nil
+}