From daa78703abcd467936fb498a1ca4deb85a2fe419 Mon Sep 17 00:00:00 2001
From: Mitch Riedstra <mitch@riedstra.us>
Date: Fri, 6 Jan 2017 18:06:34 -0500
Subject: Added an archive library and ability to package steam games

---
 .gitignore         |  5 ++++
 archive/archive.go | 88 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 main.go            | 24 ++++++++-------
 steam/package.go   | 26 ++++++++++++++++
 steam/steam.go     |  4 ++-
 5 files changed, 135 insertions(+), 12 deletions(-)
 create mode 100644 archive/archive.go
 create mode 100644 steam/package.go

diff --git a/.gitignore b/.gitignore
index 5c852d5..6a07f59 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,7 @@
 config.yml
 bin
+test*.go
+*.tar
+*.tar.*
+*.tgz
+*.tbz2
diff --git a/archive/archive.go b/archive/archive.go
new file mode 100644
index 0000000..2fe039d
--- /dev/null
+++ b/archive/archive.go
@@ -0,0 +1,88 @@
+package archive
+
+import (
+	"archive/tar"
+	"path/filepath"
+
+	"fmt"
+	"io"
+	"os"
+)
+
+type Archive struct {
+	Output, Input string
+	file          *os.File
+	writer        *tar.Writer
+}
+
+func (a *Archive) Tar() error {
+	var err error
+	if a.file, err = os.Create(a.Output); err != nil {
+		return err
+	}
+
+	defer a.file.Close()
+
+	a.writer = tar.NewWriter(a.file)
+	defer a.writer.Close()
+
+	if err := filepath.Walk(a.Input, a.tarWalkfn()); err != nil {
+		return err
+	}
+
+	fmt.Fprintln(os.Stderr, "done, remove me later")
+	return nil
+
+}
+
+func (a *Archive) tarWalkfn() filepath.WalkFunc {
+	// This is an interesting trick to get around scoping issues
+	return func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+
+		if info.IsDir() {
+			return nil
+		}
+		// fmt.Fprintf(os.Stderr, "%s: Fileinfo: %s", path, info.IsDir())
+
+		f, err := os.Open(path)
+		if err != nil {
+			return err
+		}
+		// defer f.Close()
+
+		h := &tar.Header{
+			Name:    path,
+			Size:    info.Size(),
+			Mode:    int64(info.Mode()),
+			ModTime: info.ModTime(),
+		}
+
+		// h, err := tar.FileInfoHeader(info, "")
+		if err != nil {
+			return err
+		}
+
+		err = a.writer.WriteHeader(h)
+		if err != nil {
+			/*
+				fmt.Fprintf(os.Stderr, "This header has a problem: %s\n", h)
+				fmt.Fprintln(os.Stderr, "FUCK this error")
+				fmt.Fprintln(os.Stderr, err)
+			*/
+			// fmt.Fprintln(os.Stderr, "Here!")
+			return err
+		}
+
+		_, err = io.Copy(a.writer, f)
+		if err != nil {
+			fmt.Fprintln(os.Stderr, "here")
+			fmt.Fprintln(os.Stderr, f.Name())
+			return err
+		}
+
+		return nil
+	}
+}
diff --git a/main.go b/main.go
index 4fec4df..617be4d 100644
--- a/main.go
+++ b/main.go
@@ -4,6 +4,8 @@ import (
 	"fmt"
 	"git.riedstra.us/mitch/steam-export/config"
 	"git.riedstra.us/mitch/steam-export/steam"
+
+	"os"
 )
 
 func main() {
@@ -21,16 +23,16 @@ func main() {
 		fmt.Println(libs)
 	}
 
-	// fmt.Println(libs[0].Games[20])
-
-	/*
-		str, err := libs[0].FindACF(libs[0].Games[20])
-		// str, err := libs[0].FindACF("/.")
-		if err != nil {
-			fmt.Println(err)
-		} else {
-			fmt.Println(str)
-		}
-	*/
+	fmt.Println("------")
+
+	fmt.Println(libs[0].Games[0])
+
+	working_dir, _ := os.Getwd()
+	fmt.Println(working_dir)
+
+	// vvvvvvv
+	// _ = libs[0].PackageGame(libs[0].Games[0])
+	// Duke Nukem 3d
+	_ = libs[2].PackageGame(libs[2].Games[8])
 
 }
diff --git a/steam/package.go b/steam/package.go
new file mode 100644
index 0000000..690ac4a
--- /dev/null
+++ b/steam/package.go
@@ -0,0 +1,26 @@
+package steam
+
+import (
+	"git.riedstra.us/mitch/steam-export/archive"
+	"os"
+)
+
+func (l *Library) PackageGame(g string) error {
+	working_dir, err := os.Getwd()
+	if err != nil {
+		return err
+	}
+	output := working_dir + "/" + g + ".tar"
+
+	os.Chdir(l.Folder + common)
+	input := g
+	a := archive.Archive{Output: output, Input: input}
+	err = a.Tar()
+	if err != nil {
+		return err
+	}
+
+	os.Chdir(working_dir)
+
+	return nil
+}
diff --git a/steam/steam.go b/steam/steam.go
index 1f764f2..5214cc1 100644
--- a/steam/steam.go
+++ b/steam/steam.go
@@ -20,6 +20,8 @@ type Library struct {
 	Games  []string
 }
 
+var common string = "/common"
+
 func ProcessMultipleLibraries(r []string) ([]*Library, error) {
 	var libs []*Library
 	for _, i := range r {
@@ -36,7 +38,7 @@ func ProcessMultipleLibraries(r []string) ([]*Library, error) {
 // Populate the "Folder" and "Games" fields based on the provided directory
 func (s *Library) ProcessLibrary(r string) error {
 	if hasCommon(r) {
-		dirs, err := ioutil.ReadDir(r + "/common")
+		dirs, err := ioutil.ReadDir(r + common)
 		if err != nil {
 			return err
 		}
-- 
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