package user

import (
	"io"
	"mime/multipart"
	"os"
	"strings"
)

//SaveVideoFileService 文件上传服务
func SaveVideoFileService(file *multipart.FileHeader, openid *string) (*string, error) {
	p := "./video/" + *openid
	_, err := os.Stat(p)
	if err != nil {
		if os.IsNotExist(err) {
			os.Mkdir(p, os.ModePerm)
			os.Chmod(p, 0755)
		}
	}
	src, err := file.Open()
	if err != nil {
		return nil, err
	}
	defer src.Close()
	//创建 dst 文件
	fn := strings.TrimLeft(file.Filename, "tmp_")
	out, err := os.Create(p + `/` + fn)
	if err != nil {
		return nil, err
	}
	defer out.Close()
	// 拷贝文件
	_, err = io.Copy(out, src)
	filename := out.Name()
	return &filename, err
}