file util: copy file/dir

util/file.go

@@ -15,7 +15,9 @@
 package util
 
 import (
+	"io"
 	"os"
+	"path/filepath"
 	"strings"
 
 	"github.com/b3log/wide/log"
@@ -80,3 +82,67 @@ func (*myfile) IsDir(path string) bool {
 
 	return fio.IsDir()
 }
+
+// CopyFile copies the source file to the dest file.
+func (*myfile) CopyFile(source string, dest string) (err error) {
+	sourcefile, err := os.Open(source)
+	if err != nil {
+		return err
+	}
+
+	defer sourcefile.Close()
+
+	destfile, err := os.Create(dest)
+	if err != nil {
+		return err
+	}
+
+	defer destfile.Close()
+
+	_, err = io.Copy(destfile, sourcefile)
+	if err == nil {
+		sourceinfo, err := os.Stat(source)
+		if err != nil {
+			err = os.Chmod(dest, sourceinfo.Mode())
+		}
+	}
+
+	return nil
+}
+
+// CopyDir copies the source directory to the dest directory.
+func (*myfile) CopyDir(source string, dest string) (err error) {
+	sourceinfo, err := os.Stat(source)
+	if err != nil {
+		return err
+	}
+
+	// create dest dir
+	err = os.MkdirAll(dest, sourceinfo.Mode())
+	if err != nil {
+		return err
+	}
+
+	directory, _ := os.Open(source)
+	objects, err := directory.Readdir(-1)
+
+	for _, obj := range objects {
+		srcFilePath := filepath.Join(source, obj.Name())
+		destFilePath := filepath.Join(dest, obj.Name())
+
+		if obj.IsDir() {
+			// create sub-directories - recursively
+			err = File.CopyDir(srcFilePath, destFilePath)
+			if err != nil {
+				fileLogger.Error(err)
+			}
+		} else {
+			err = File.CopyFile(srcFilePath, destFilePath)
+			if err != nil {
+				fileLogger.Error(err)
+			}
+		}
+	}
+
+	return nil
+}

util/file_test.go

@@ -15,6 +15,8 @@
 package util
 
 import (
+	"os"
+	"path/filepath"
 	"strconv"
 	"testing"
 )
@@ -56,3 +58,35 @@ func TestIsDir(t *testing.T) {
 		return
 	}
 }
+
+func TestCopyDir(t *testing.T) {
+	home, _ := OS.Home()
+
+	testDir := filepath.Join(home, "wide-test")
+	os.Mkdir(testDir, 0644)
+
+	dest := filepath.Join(testDir, "util")
+
+	err := File.CopyDir(".", dest)
+	if nil != err {
+		t.Error("Copy dir error: ", err)
+
+		return
+	}
+}
+
+func TestCopyFile(t *testing.T) {
+	home, _ := OS.Home()
+
+	testDir := filepath.Join(home, "wide-test")
+	os.Mkdir(testDir, 0644)
+
+	dest := filepath.Join(testDir, "file.go")
+
+	err := File.CopyFile("./file.go", dest)
+	if nil != err {
+		t.Error("Copy file error: ", err)
+
+		return
+	}
+}

util/zip_test.go

@@ -16,10 +16,13 @@ package util
 
 import (
 	"os"
+	"path/filepath"
 	"testing"
 )
 
-var packageName = "test_zip"
+var home, _ = OS.Home()
+var testDir = filepath.Join(home, "wide-test")
+var packageName = filepath.Join(testDir, "test_zip")
 
 func TestCreate(t *testing.T) {
 	zipFile, err := Zip.Create(packageName + ".zip")
@@ -54,11 +57,12 @@ func TestUnzip(t *testing.T) {
 }
 
 func TestMain(m *testing.M) {
+	os.Mkdir(testDir, 0644)
+
 	retCode := m.Run()
 
 	// clean test data
-	os.RemoveAll(packageName + ".zip")
-	os.RemoveAll(packageName)
+	os.RemoveAll(testDir)
 
 	os.Exit(retCode)
 }