goctl added

tools/goctl/api/util/util.go

@@ -0,0 +1,74 @@
+package util
+
+import (
+	"errors"
+	"fmt"
+	"io"
+	"os"
+	"path"
+	"strings"
+	"zero/tools/goctl/api/spec"
+
+	"zero/core/lang"
+	"zero/tools/goctl/util"
+)
+
+func MaybeCreateFile(dir, subdir, file string) (fp *os.File, created bool, err error) {
+	lang.Must(util.MkdirIfNotExist(path.Join(dir, subdir)))
+	fpath := path.Join(dir, subdir, file)
+	if util.FileExists(fpath) {
+		fmt.Printf("%s exists, ignored generation\n", fpath)
+		return nil, false, nil
+	}
+
+	fp, err = util.CreateIfNotExist(fpath)
+	created = err == nil
+	return
+}
+
+func ClearAndOpenFile(fpath string) (*os.File, error) {
+	f, err := os.OpenFile(fpath, os.O_WRONLY|os.O_TRUNC, 0600)
+
+	_, err = f.WriteString("")
+	if err != nil {
+		return nil, err
+	}
+	return f, nil
+}
+
+func WrapErr(err error, message string) error {
+	return errors.New(message + ", " + err.Error())
+}
+
+func Copy(src, dst string) (int64, error) {
+	sourceFileStat, err := os.Stat(src)
+	if err != nil {
+		return 0, err
+	}
+
+	if !sourceFileStat.Mode().IsRegular() {
+		return 0, fmt.Errorf("%s is not a regular file", src)
+	}
+
+	source, err := os.Open(src)
+	if err != nil {
+		return 0, err
+	}
+	defer source.Close()
+
+	destination, err := os.Create(dst)
+	if err != nil {
+		return 0, err
+	}
+	defer destination.Close()
+	nBytes, err := io.Copy(destination, source)
+	return nBytes, err
+}
+
+func ComponentName(api *spec.ApiSpec) string {
+	name := api.Service.Name
+	if strings.HasSuffix(name, "-api") {
+		return name[:len(name)-4] + "Components"
+	}
+	return name + "Components"
+}