rebuilding js

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Former-commit-id: 7bb183c165ba2c9711ba1c04e3af6e2048245ded

assets.go

@@ -0,0 +1,43 @@
+package filemanager
+
+import (
+	"errors"
+	"mime"
+	"net/http"
+	"path/filepath"
+	"strings"
+)
+
+// Serve provides the needed assets for the front-end
+func serveAssets(c *requestContext, w http.ResponseWriter, r *http.Request) (int, error) {
+	// gets the filename to be used with Assets function
+	filename := strings.TrimPrefix(r.URL.Path, assetsURL)
+
+	var file []byte
+	var err error
+
+	switch {
+	case strings.HasPrefix(filename, "/css"):
+		filename = strings.Replace(filename, "/css/", "", 1)
+		file, err = c.fm.assets.css.Bytes(filename)
+	case strings.HasPrefix(filename, "/js"):
+		filename = strings.Replace(filename, "/js/", "", 1)
+		file, err = c.fm.assets.js.Bytes(filename)
+	default:
+		err = errors.New("not found")
+	}
+
+	if err != nil {
+		return http.StatusNotFound, nil
+	}
+
+	// Get the file extension and its mimetype
+	extension := filepath.Ext(filename)
+	mediatype := mime.TypeByExtension(extension)
+
+	// Write the header with the Content-Type and write the file
+	// content to the buffer
+	w.Header().Set("Content-Type", mediatype)
+	w.Write(file)
+	return 200, nil
+}