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94 lines
1.9 KiB
Go
94 lines
1.9 KiB
Go
package swampfile
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import (
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"caj-larsson/bog/dataswamp/swampfile"
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"os"
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"path"
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"time"
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)
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type FileSystemSwampFileData struct {
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path string
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size int64
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mod_time time.Time
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file *os.File
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}
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func (f FileSystemSwampFileData) Read(p []byte) (int, error) {
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return f.file.Read(p)
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}
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func (f FileSystemSwampFileData) Write(p []byte) (int, error) {
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return f.file.Write(p)
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}
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func (f FileSystemSwampFileData) Close() error {
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return f.file.Close()
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}
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func (f FileSystemSwampFileData) 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 FileSystemSwampFileData) Path() string {
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return f.path
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}
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func (f FileSystemSwampFileData) Size() int64 {
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return f.size
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}
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func (f FileSystemSwampFileData) Modified() time.Time {
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return time.Now()
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}
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type Repository struct {
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Root string
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}
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func (f Repository) absPath(filename string, namespace_ns string) string {
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return path.Join(f.Root, namespace_ns, filename)
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}
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func (f Repository) Create(filename string, namespace_ns string) (swampfile.SwampInFile, error) {
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abs_path := f.absPath(filename, namespace_ns)
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dir := path.Dir(abs_path)
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os.MkdirAll(dir, 0750)
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file, err := os.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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stat_info, err := file.Stat()
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if err != nil {
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panic(err)
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}
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bfd := FileSystemSwampFileData{filename, stat_info.Size(), stat_info.ModTime(), file}
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return bfd, nil
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}
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func (f Repository) Open(filename string, namespace_ns string) (swampfile.SwampOutFile, error) {
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abs_path := f.absPath(filename, namespace_ns)
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dir := path.Dir(abs_path)
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os.MkdirAll(dir, 0750)
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file, err := os.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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bfd := FileSystemSwampFileData{filename, 0, time.Now(), file}
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return bfd, nil
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}
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func (f Repository) Delete(filename string, namespace_ns string) {
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abs_path := f.absPath(filename, namespace_ns)
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os.Remove(abs_path)
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}
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