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91 lines
1.7 KiB
Go
91 lines
1.7 KiB
Go
package swampfile
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import (
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"time"
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"path"
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"os"
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// "io"
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"github.com/spf13/afero"
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"caj-larsson/bog/dataswamp/swampfile"
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)
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type SwampFile struct {
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filename string
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file afero.File
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}
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func (f SwampFile) Path() string {
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return f.filename
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}
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func (f SwampFile) Size() int64 {
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stat, _ := f.file.Stat()
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return int64(stat.Size())
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}
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func (f SwampFile) Read(p []byte) (int, error) {
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return f.file.Read(p)
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}
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func (f SwampFile) Write(p []byte) (int, error) {
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return f.file.Write(p)
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}
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func (f SwampFile) Close() error {
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return f.file.Close()
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}
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func (f SwampFile) Seek(offset int64, whence int) (int64, error) {
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return f.file.Seek(offset, whence)
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}
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func (f SwampFile) Modified() time.Time {
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stat, _ := f.file.Stat()
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return stat.ModTime()
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}
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// The actual repository
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type Repository struct {
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fs afero.Fs
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}
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func NewRepository() swampfile.Repository {
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return Repository { afero.NewMemMapFs() }
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}
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func (r Repository) Create(filename string, namespace_stub string) (swampfile.SwampInFile, error) {
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abs_path := path.Join(filename, namespace_stub)
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dir := path.Dir(abs_path)
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r.fs.MkdirAll(dir, 0750)
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file, err := r.fs.OpenFile(abs_path, os.O_RDWR|os.O_CREATE, 0644)
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if err != nil {
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panic(err)
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}
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bf := SwampFile {filename, file}
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return bf, nil
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}
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func (r Repository) Open(filename string, namespace_stub string) (swampfile.SwampOutFile, error) {
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abs_path := path.Join(filename, namespace_stub)
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dir := path.Dir(abs_path)
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r.fs.MkdirAll(dir, 0750)
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file, err := r.fs.OpenFile(abs_path, os.O_RDONLY, 0644)
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if err != nil {
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return nil, swampfile.ErrNotExists
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}
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bf := SwampFile {filename, file}
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return bf, nil
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}
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func (r Repository) Delete(filename string, namespace_stub string) {
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abs_path := path.Join(filename, namespace_stub)
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r.fs.Remove(abs_path)
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}
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