64 lines
1.2 KiB
Go
64 lines
1.2 KiB
Go
package fs
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import (
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"errors"
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"io"
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"mime/multipart"
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"os"
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"path"
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"github.com/google/uuid"
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"dev.sum7.eu/genofire/golang-lib/web/file"
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)
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// consts for filemanager
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const (
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StorageTypeFS = "fs"
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)
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// error messages
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var (
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ErrPathNotExistsOrNoDirectory = errors.New("path invalid: not exists or not an directory")
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)
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// FileManager to handle data on disk
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type FileManager struct {
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}
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// Check if filemanager could be used
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func (m *FileManager) Check(s *file.Service) error {
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info, err := os.Stat(s.Path)
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if os.IsNotExist(err) || !info.IsDir() {
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return ErrPathNotExistsOrNoDirectory
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}
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return nil
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}
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// Save a file on disk and update file db
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func (m *FileManager) Save(s *file.Service, file *file.File, src multipart.File) error {
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file.ID = uuid.New()
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file.Path = path.Join(file.ID.String(), file.Filename)
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directory := path.Join(s.Path, file.ID.String())
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os.Mkdir(directory, 0750)
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out, err := os.Create(path.Join(s.Path, file.Path))
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if err != nil {
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return err
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}
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defer out.Close()
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_, err = io.Copy(out, src)
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return err
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}
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// Read get an reader of an file
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func (m *FileManager) Read(s *file.Service, file *file.File) (io.Reader, error) {
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return os.Open(path.Join(s.Path, file.Path))
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}
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func init() {
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file.AddManager(StorageTypeFS, &FileManager{})
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}
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