Add name to CompressFiles (#83)

* Add `name` to `CompressFiles`

* Add back extension

Author: rmartinoscar

router/router_server_files.go

@@ -429,6 +429,7 @@ func postServerCompressFiles(c *gin.Context) {
 	var data struct {
 		RootPath string   `json:"root"`
 		Files    []string `json:"files"`
+		Name     string   `json:"name"`
 	}
 
 	if err := c.BindJSON(&data); err != nil {
@@ -449,7 +450,7 @@ func postServerCompressFiles(c *gin.Context) {
 		return
 	}
 
-	f, err := s.Filesystem().CompressFiles(data.RootPath, data.Files)
+	f, err := s.Filesystem().CompressFiles(data.RootPath, data.Name, data.Files)
 	if err != nil {
 		middleware.CaptureAndAbort(c, err)
 		return

server/filesystem/compress.go

@@ -28,7 +28,7 @@ import (
 // All paths are relative to the dir that is passed in as the first argument,
 // and the compressed file will be placed at that location named
 // `archive-{date}.tar.gz`.
-func (fs *Filesystem) CompressFiles(dir string, paths []string) (ufs.FileInfo, error) {
+func (fs *Filesystem) CompressFiles(dir string, name string, paths []string) (ufs.FileInfo, error) {
 	var validPaths []string
 	for _, file := range paths {
 		if err := fs.IsIgnored(path.Join(dir, file)); err == nil {
@@ -44,8 +44,15 @@ func (fs *Filesystem) CompressFiles(dir string, paths []string) (ufs.FileInfo, e
 	a := &Archive{Filesystem: fs, BaseDirectory: dir, Files: validPaths}
 	d := path.Join(
 		dir,
-		fmt.Sprintf("archive-%s.tar.gz", strings.ReplaceAll(time.Now().Format(time.RFC3339), ":", "")),
-	)
+		fmt.Sprintf("%s.%s",
+			func() string {
+				if name != "" {
+					return name
+				}
+				return fmt.Sprintf("archive-%s", strings.ReplaceAll(time.Now().Format(time.RFC3339), ":", ""))
+			}(),
+			".tar.gz",
+		))
 	f, err := fs.unixFS.OpenFile(d, ufs.O_WRONLY|ufs.O_CREATE, 0o644)
 	if err != nil {
 		return nil, err