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filemanager.go
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/
filemanager.go
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package main
import (
"io/ioutil"
"os"
"path/filepath"
)
type fileManager interface {
resetCurrentDirectory() error
writeFile(path string, data []byte) error
deleteFile(path string) error
}
type dumpFileManager struct{}
func newFileManager() fileManager {
return &dumpFileManager{}
}
func (m *dumpFileManager) resetCurrentDirectory() error {
files, err := ioutil.ReadDir(".")
if err != nil {
return err
}
for _, file := range files {
if err := os.RemoveAll(file.Name()); err != nil {
return err
}
}
return nil
}
func (m *dumpFileManager) writeFile(path string, data []byte) error {
if err := os.MkdirAll(filepath.Dir(path), 0755); err != nil {
return err
}
return ioutil.WriteFile(path, data, 0644)
}
func (m *dumpFileManager) deleteFile(path string) error {
if err := os.Remove(path); err != nil {
return err
}
m.removeEmptyDirectories(path)
return nil
}
func (m *dumpFileManager) removeEmptyDirectories(path string) {
var err error
for err == nil {
path = filepath.Dir(path)
err = os.Remove(path)
}
}