updated file browser url logic

instancemanager/docker/instance_manager.go

@@ -3,6 +3,7 @@ package docker
 import (
 	"context"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"log"
 	"maps"
@@ -656,6 +657,14 @@ func (im *InstanceManager) StopFileBrowser(ctx context.Context, serverId string)
 	return nil
 }
 
+func (im *InstanceManager) GetServerIdFromFileBrowserUrl(ctx context.Context, url string) (string, error) {
+	pathSegments := strings.Split(url, "/")
+	if len(pathSegments) < 3 {
+		return "", errors.New("invalid url")
+	}
+	return pathSegments[2], nil
+}
+
 func NewInstanceManager(config models.DockerInstanceManagerConfig, siteDomain string) (*InstanceManager, error) {
 	apiClient, err := client.NewClientWithOpts(client.FromEnv, client.WithAPIVersionNegotiation())
 	if err != nil {