package service import ( "crypto/rand" "fmt" "time" ) // GenerateUUID creates a random UUID func GenerateUUID() string { b := make([]byte, 16) _, err := rand.Read(b) if err != nil { return fmt.Sprintf("%d", time.Now().UnixNano()) } return fmt.Sprintf("%x-%x-%x-%x-%x", b[0:4], b[4:6], b[6:8], b[8:10], b[10:]) }