stash/pkg/file/handler.go

54 lines
1.3 KiB
Go

package file
import (
"context"
"io/fs"
)
// PathFilter provides a filter function for paths.
type PathFilter interface {
Accept(ctx context.Context, path string, info fs.FileInfo) bool
}
type PathFilterFunc func(path string) bool
func (pff PathFilterFunc) Accept(path string) bool {
return pff(path)
}
// Filter provides a filter function for Files.
type Filter interface {
Accept(ctx context.Context, f File) bool
}
type FilterFunc func(ctx context.Context, f File) bool
func (ff FilterFunc) Accept(ctx context.Context, f File) bool {
return ff(ctx, f)
}
// Handler provides a handler for Files.
type Handler interface {
Handle(ctx context.Context, f File, oldFile File) error
}
// FilteredHandler is a Handler runs only if the filter accepts the file.
type FilteredHandler struct {
Handler
Filter
}
// Handle runs the handler if the filter accepts the file.
func (h *FilteredHandler) Handle(ctx context.Context, f File, oldFile File) error {
if h.Accept(ctx, f) {
return h.Handler.Handle(ctx, f, oldFile)
}
return nil
}
// CleanHandler provides a handler for cleaning Files and Folders.
type CleanHandler interface {
HandleFile(ctx context.Context, fileDeleter *Deleter, fileID ID) error
HandleFolder(ctx context.Context, fileDeleter *Deleter, folderID FolderID) error
}