Method deleteDocAndImages

app/scanningcabinet/datastore.go:854–868

deleteDocAndImages deletes the given document struct and marks all of its associated mediaObjects as not being part of a document

(ctx context.Context, docRef blob.Ref)

// deleteDocAndImages deletes the given document struct and marks all of its
// associated mediaObjects as not being part of a document
func (h *handler) deleteDocAndImages(ctx context.Context, docRef blob.Ref) error {
	doc, err := h.fetchDocument(docRef)
	if err != nil {
		return fmt.Errorf("document %v not found: %v", docRef, err)
	}
	if err := h.deleteNode(ctx, docRef); err != nil {
		return fmt.Errorf("could not delete document %v: %v", docRef, err)
	}
	for _, page := range doc.pages {
		if err := h.deleteNode(ctx, page); err != nil {
			return fmt.Errorf("could not delete scan %v: %v", page, err)
		}
	}
	return nil
}