util.go

package util

import (
	"fmt"
	"os"
	"path/filepath"
	"strings"
	"time"
)

func Now() int64 {
	return time.Now().UnixNano()
}

func GenerateGosdnPath() (string, error) {
	var execPath string
	var absExecPath string
	var err error
	if execPath, err = os.Executable(); err != nil {
		return "", err
	}
	if absExecPath, err = filepath.Abs(execPath); err != nil {
		return "", err
	}
	executableDir := filepath.Dir(absExecPath)
	projectRoot := filepath.Dir(executableDir)

	return projectRoot, nil
}

// Get the path of a file, if path is a path, just return absolute path
func GetAbsPath(path string) (string, error) {
	absPath, err := filepath.Abs(path)
	if err != nil {
		return "", fmt.Errorf("Failed to resolve absolut path of %s: %w", path, err)
	}
	if strings.HasSuffix(path, "/") {
		return absPath, nil
	}
	info, err := os.Stat(absPath)
	if err != nil {
		return "", fmt.Errorf("Failed to stat path: %w", err)
	}
	// If path is not a directory, make it one
	if !info.IsDir() {
		absPath = filepath.Dir(absPath)
	}

	return absPath, nil
}