Files
cloudsave/cmd/server/data/data.go
2025-07-30 00:49:22 +02:00

100 lines
2.4 KiB
Go

package data
import (
"cloudsave/pkg/repository"
"encoding/json"
"fmt"
"io"
"os"
"path/filepath"
"time"
)
func Write(gameID, documentRoot string, r io.Reader) error {
dataFolderPath := filepath.Join(documentRoot, "data", gameID)
partPath := filepath.Join(dataFolderPath, "data.tar.gz.part")
finalFilePath := filepath.Join(dataFolderPath, "data.tar.gz")
if err := makeDataFolder(gameID, documentRoot); err != nil {
return err
}
f, err := os.OpenFile(partPath, os.O_CREATE|os.O_WRONLY, 0740)
if err != nil {
return err
}
if _, err := io.Copy(f, r); err != nil {
f.Close()
if err := os.Remove(partPath); err != nil {
return fmt.Errorf("failed to write the file and cannot clean the folder: %w", err)
}
return fmt.Errorf("failed to write the file: %w", err)
}
f.Close()
if err := os.Rename(partPath, finalFilePath); err != nil {
return err
}
return nil
}
func WriteHist(gameID, documentRoot string, dt time.Time, r io.Reader) error {
dataFolderPath := filepath.Join(documentRoot, "data", gameID, "hist")
partPath := filepath.Join(dataFolderPath, dt.Format("2006-01-02T15-04-05Z07-00")+".data.tar.gz.part")
finalFilePath := filepath.Join(dataFolderPath, dt.Format("2006-01-02T15-04-05Z07-00")+".data.tar.gz")
if err := makeDataFolder(gameID, documentRoot); err != nil {
return err
}
f, err := os.OpenFile(partPath, os.O_CREATE|os.O_WRONLY, 0740)
if err != nil {
return err
}
if _, err := io.Copy(f, r); err != nil {
f.Close()
if err := os.Remove(partPath); err != nil {
return fmt.Errorf("failed to write the file and cannot clean the folder: %w", err)
}
return fmt.Errorf("failed to write the file: %w", err)
}
f.Close()
if err := os.Rename(partPath, finalFilePath); err != nil {
return err
}
return nil
}
func UpdateMetadata(gameID, documentRoot string, m repository.Metadata) error {
if err := makeDataFolder(gameID, documentRoot); err != nil {
return err
}
path := filepath.Join(documentRoot, "data", gameID, "metadata.json")
f, err := os.OpenFile(path, os.O_CREATE|os.O_WRONLY, 0740)
if err != nil {
return err
}
defer f.Close()
e := json.NewEncoder(f)
return e.Encode(m)
}
func makeDataFolder(gameID, documentRoot string) error {
if err := os.MkdirAll(filepath.Join(documentRoot, "data", gameID), 0740); err != nil {
return err
}
if err := os.MkdirAll(filepath.Join(documentRoot, "data", gameID, "hist"), 0740); err != nil {
return err
}
return nil
}