Function delThumbs

http/resource.go:329–338

(ctx context.Context, fileCache FileCache, file *files.FileInfo)

}

func delThumbs(ctx context.Context, fileCache FileCache, file *files.FileInfo) error {
	for _, previewSizeName := range PreviewSizeNames() {
		size, _ := ParsePreviewSize(previewSizeName)
		if err := fileCache.Delete(ctx, previewCacheKey(file, size)); err != nil {
			return err
		}
	}

	return nil
}

func patchAction(ctx context.Context, action, src, dst string, d *data, fileCache FileCache) error {
	switch action {