add some utils

utils/fs/dir.go

@@ -0,0 +1,40 @@
+package fs
+
+import (
+	"atom/providers/log"
+	"errors"
+	"os"
+
+	"go.uber.org/zap"
+)
+
+func PathExists(path string) (bool, error) {
+	fi, err := os.Stat(path)
+	if err == nil {
+		if fi.IsDir() {
+			return true, nil
+		}
+		return false, errors.New("存在同名文件")
+	}
+	if os.IsNotExist(err) {
+		return false, nil
+	}
+	return false, err
+}
+
+func CreateDir(dirs ...string) (err error) {
+	for _, v := range dirs {
+		exist, err := PathExists(v)
+		if err != nil {
+			return err
+		}
+		if !exist {
+			log.Debug("create directory" + v)
+			if err := os.MkdirAll(v, os.ModePerm); err != nil {
+				log.Error("create directory"+v, zap.Any(" error:", err))
+				return err
+			}
+		}
+	}
+	return err
+}

utils/fs/file.go

@@ -0,0 +1,65 @@
+package fs
+
+import (
+	"os"
+	"path/filepath"
+	"reflect"
+	"strings"
+)
+
+func Move(src string, dst string) (err error) {
+	if dst == "" {
+		return nil
+	}
+	src, err = filepath.Abs(src)
+	if err != nil {
+		return err
+	}
+	dst, err = filepath.Abs(dst)
+	if err != nil {
+		return err
+	}
+	revoke := false
+	dir := filepath.Dir(dst)
+Redirect:
+	_, err = os.Stat(dir)
+	if err != nil {
+		err = os.MkdirAll(dir, 0o755)
+		if err != nil {
+			return err
+		}
+		if !revoke {
+			revoke = true
+			goto Redirect
+		}
+	}
+	return os.Rename(src, dst)
+}
+
+func Delete(filePath string) error {
+	return os.RemoveAll(filePath)
+}
+
+func TrimSpace(target interface{}) {
+	t := reflect.TypeOf(target)
+	if t.Kind() != reflect.Ptr {
+		return
+	}
+	t = t.Elem()
+	v := reflect.ValueOf(target).Elem()
+	for i := 0; i < t.NumField(); i++ {
+		switch v.Field(i).Kind() {
+		case reflect.String:
+			v.Field(i).SetString(strings.TrimSpace(v.Field(i).String()))
+		}
+	}
+}
+
+// FileExist 判断文件是否存在
+func FileExist(path string) bool {
+	fi, err := os.Lstat(path)
+	if err == nil {
+		return !fi.IsDir()
+	}
+	return !os.IsNotExist(err)
+}