package file

import (
	"encoding/base64"
	"os"
	"path/filepath"
)

// 打开文件，将对应文件转换为base64格式后返回前端
func GetFile(userName, filePath string) (string, error) {
	// 获取main.go所在的目录
	currentDir, err := os.Getwd()
	if err != nil {
		return "", err
	}

	baseDir := filepath.Join(currentDir, "file_library")

	fullFilePath := filepath.Join(baseDir, userName, filePath)

	fileContent, err := os.ReadFile(fullFilePath)
	if err != nil {
		return "", err
	}

	// 将文件内容转换为base64格式
	fileContentBase64 := base64.StdEncoding.EncodeToString(fileContent)

	return fileContentBase64, nil
}