starting 0.0.2 dev

cmd/server/data/data.go

@@ -1,12 +1,13 @@
 package data
 
 import (
-	"cloudsave/pkg/game"
+	"cloudsave/pkg/repository"
 	"encoding/json"
 	"fmt"
 	"io"
 	"os"
 	"path/filepath"
+	"time"
 )
 
 func Write(gameID, documentRoot string, r io.Reader) error {
@@ -39,7 +40,37 @@ func Write(gameID, documentRoot string, r io.Reader) error {
 	return nil
 }
 
-func UpdateMetadata(gameID, documentRoot string, m game.Metadata) error {
+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
 	}
@@ -56,5 +87,13 @@ func UpdateMetadata(gameID, documentRoot string, m game.Metadata) error {
 }
 
 func makeDataFolder(gameID, documentRoot string) error {
-	return os.MkdirAll(filepath.Join(documentRoot, "data", gameID), 0740)
+	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
 }