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package steam
import (
"archive/tar"
"io"
"os"
"path/filepath"
"strings"
)
// Package writes the package, returning bytes written and an error if any
func (g *Game) Package(wr io.WriteCloser) error {
acf, err := FindACF(g.LibraryPath, g.Name)
if err != nil {
return err
}
twriter := tar.NewWriter(wr)
paths := []string{
filepath.Join(g.LibraryPath, "common", g.Name),
acf,
}
for _, pth := range paths {
err := filepath.Walk(pth, tarWalkfn(twriter, g.LibraryPath))
if err != nil {
return err
}
}
err = twriter.Flush()
if err != nil {
return err
}
err = twriter.Close()
return wr.Close()
}
// Extract will read a tarball from the io.Reader and install the game into
// the current library path
func (l *Library) Extract(r io.Reader) error {
treader := tar.NewReader(r)
for {
hdr, err := treader.Next()
if err == io.EOF {
// We've reached the end! Whoee
break
}
if err != nil {
return err
}
// Fix windows slashes...
fileName := strings.Replace(hdr.Name, "\\", "/", -1)
fileName = filepath.Join(l.Folder, fileName)
info := hdr.FileInfo()
if info.IsDir() {
// I don't like hard-coded permissions but it
// it helps with overall platform compatibility
if err = os.MkdirAll(fileName, 0775); err != nil {
return err
}
continue
}
if err = os.MkdirAll(filepath.Dir(fileName), 0775); err != nil {
return err
}
// Create a file handle to work with
f, err := os.OpenFile(fileName, os.O_CREATE|os.O_TRUNC|os.O_WRONLY, 0664)
if err != nil {
return err
}
if _, err := io.Copy(f, treader); err != nil {
f.Close()
return err
}
f.Close()
}
return nil
}
// Delete removes all of the game files and the ACF
func (g *Game) Delete() error {
acf, err := FindACF(g.LibraryPath, g.Name)
if err != nil {
return err
}
if err := os.Remove(acf); err != nil {
return err
}
err = os.RemoveAll(filepath.Join(g.LibraryPath, "common", g.Name))
if err != nil {
return err
}
return nil
}
// GetSize returns the size of a game in a pretty format
func (g Game) GetSize() string {
return formatBytes(g.Size)
}
func (g *Game) setSizeInfo() error {
pth := filepath.Join(g.LibraryPath, "common", g.Name)
return filepath.Walk(pth, func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
}
if info.Mode().IsRegular() {
g.Size += info.Size()
}
return nil
})
}
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