Fixed users not being able to view their files

src/auth/guards/role.guard.ts

@@ -5,16 +5,19 @@ import { Reflector } from "@nestjs/core";
 export class RolesGuard implements CanActivate {
   constructor(private readonly reflector: Reflector) {}
   canActivate(context: ExecutionContext): boolean {
-    // get the roles required
     const roles = this.reflector.getAllAndOverride<string[]>("role", [
       context.getHandler(),
       context.getClass(),
     ]);
-    if (!roles) {
+    if (!roles?.length) {
       return false;
     }
     const request = context.switchToHttp().getRequest();
-    const userRoles = request.user?.role?.split(",");
+    const role = request.user?.role;
+    if (!role) {
+      return false;
+    }
+    const userRoles = String(role).split(",");
     return this.validateRoles(roles, userRoles);
   }