copy mutation in dir fix

internal/helper.go

@@ -30,3 +30,7 @@ func getPathFromId(id string) string {
 
 	return dir + "/"
 }
+
+func getFilenameFromID(id string) string {
+	return filepath.Base(id)
+}

internal/mutations.go

@@ -3,6 +3,7 @@ package s3browser
 import (
 	"context"
 	"fmt"
+	"strings"
 
 	"github.com/minio/minio-go/v7"
 )
@@ -33,6 +34,13 @@ func copyMutation(ctx context.Context, src, dest string) (*File, error) {
 		return nil, fmt.Errorf("Failed to get s3Client from context")
 	}
 
+	// Check if dest is a file or a dir
+	if strings.HasSuffix(dest, "/") {
+		// create new dest id
+		// TODO: What if a file with this id already exists?
+		dest += getFilenameFromID(src)
+	}
+
 	info, err := s3Client.CopyObject(ctx, minio.CopyDestOptions{
 		Bucket: bucketName,
 		Object: dest,