pcgamedb/utils/mega.go

71 lines
1.4 KiB
Go
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2024-09-24 06:17:11 -04:00
package utils
import (
"bytes"
"errors"
"os"
"os/exec"
"path/filepath"
"regexp"
"strings"
)
func MegaDownload(url string, path string) (string, []string, error) {
stat, err := os.Stat("torrent")
if err != nil {
if os.IsNotExist(err) {
err = os.Mkdir("torrent", 0755)
if err != nil {
return "", nil, err
}
} else {
return "", nil, err
}
}
if !stat.IsDir() {
os.Remove("torrent")
err = os.Mkdir("torrent", 0755)
if err != nil {
return "", nil, err
}
}
cmd := exec.Command("mega-get", url, path)
var out bytes.Buffer
cmd.Stdout = &out
err = cmd.Run()
if err != nil {
return "", nil, err
}
pathRegex := regexp.MustCompile(`(?i)Download finished: (.*)`)
pathRegexRes := pathRegex.FindAllStringSubmatch(out.String(), -1)
if len(pathRegexRes) == 0 {
return "", nil, errors.New("Mega download failed")
}
pathRegexRes[0][1] = strings.TrimSpace(pathRegexRes[0][1])
res, err := walkDir(pathRegexRes[0][1])
if err != nil {
return "", nil, err
}
return pathRegexRes[0][1], res, nil
}
func walkDir(path string) ([]string, error) {
files, err := os.ReadDir(path)
if err != nil {
return nil, err
}
res := []string{}
for _, file := range files {
if file.IsDir() {
subFiles, err := walkDir(filepath.Join(path, file.Name()))
if err != nil {
return nil, err
}
res = append(res, subFiles...)
} else {
res = append(res, filepath.Join(path, file.Name()))
}
}
return res, nil
}