72 lines
1.1 KiB
Go
72 lines
1.1 KiB
Go
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package filesystem
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import (
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"fmt"
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"os"
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"path/filepath"
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)
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func Open(path string) (*Storage, error) {
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info, err := os.Stat(path)
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if err != nil {
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return nil, err
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}
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if !info.IsDir() {
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return nil, fmt.Errorf("provided path %s is not a directory", path)
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}
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abs, err := filepath.Abs(path)
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if err != nil {
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return nil, fmt.Errorf("could not tarnslate %s to absolute path", path)
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}
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return &Storage{prefix: abs}, nil
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}
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type Storage struct {
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prefix string
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}
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func (s *Storage) Save(key string, data []byte) error {
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path := s.toAbs(key)
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if err := os.WriteFile(path, data, 0664); err != nil {
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return err
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}
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return nil
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}
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func (s *Storage) Load(key string) ([]byte, error) {
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path := s.toAbs(key)
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b, err := os.ReadFile(path)
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if err != nil {
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return nil, err
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}
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return b, nil
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}
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func (s *Storage) Delete(key string) error {
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path := s.toAbs(key)
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err := os.Remove(path)
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if err != nil && os.IsNotExist(err) {
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return nil
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} else if err != nil {
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return err
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}
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return nil
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}
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func (s *Storage) Close() error {
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return nil
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}
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func (s *Storage) toAbs(path string) string {
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return filepath.Join(s.prefix, path)
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}
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