Files
opl-cli/internal/cfg.go
2026-01-09 17:44:45 +01:00

86 lines
1.9 KiB
Go

package oplcli
import (
"fmt"
"io"
"log/slog"
"net/http"
"os"
"path"
)
type FileMode int
const (
ModeOverride FileMode = iota
ModeAppend
ModeOnlyCreate
)
func downloadCfgForGame(gameID string, output string, mode FileMode) error {
url := getDownloadURLFromGithub(gameID)
filePath := path.Join(output, fmt.Sprintf("%s.cfg", gameID))
file, err := openFileBasedOnMode(filePath, mode)
if err != nil {
slog.Error("Failed to open cfg file", "file", filePath, "gameID", gameID, "err", err)
return err
}
defer file.Close()
resp, err := http.Get(url)
if err != nil {
slog.Error("Failed to download cfg file", "file", filePath, "gameID", gameID, "err", err)
return err
}
defer resp.Body.Close()
_, err = io.Copy(file, resp.Body)
if err != nil {
slog.Error("Failed to write cfg file", "file", filePath, "gameID", gameID, "err", err)
return err
}
return nil
}
func openFileBasedOnMode(filePath string, mode FileMode) (*os.File, error) {
_, err := os.Stat(filePath)
if err != nil {
if err != os.ErrNotExist {
file, err := os.Create(filePath)
if err != nil {
return nil, err
}
return file, nil
}
}
if mode == ModeOverride {
file, err := os.OpenFile(filePath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0666)
if err != nil {
return nil, err
}
return file, nil
}
if mode == ModeAppend {
file, err := os.OpenFile(filePath, os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0666)
if err != nil {
return nil, err
}
return file, nil
}
return nil, fmt.Errorf("File already exists")
}
func getDownloadURLFromGithub(gameID string) string {
// const baseURL = "https://raw.githubusercontent.com/VTSTech/PS2-OPL-CFG/refs/heads/master/CFG/" // This one is more basic
const baseURL = "https://raw.githubusercontent.com/Tom-Bruise/PS2-OPL-CFG-Database/refs/heads/master/CFG_en/" // This one contains descriptions and more
return fmt.Sprintf("%s/%s.cfg", baseURL, gameID)
}