CheckPermission checks if a user has a specific permission for a route and method.

GetRoleByName fetch roles.

GetUserByUsername retrieves a user by username.

GetUsersByRoleID retrieves all users that have a specific role ID.

NewClusterService creates a new ClusterService instance.

NewRbacService creates a new RbacService instance.

NewUserService creates a new UserService instance.

UpdateClusterStatusToActive updates the cluster's status to "active".

ValidateToken validates the combined token and returns true/false along with clusterID.

ClusterService handles cluster-related business logic.

RBAC service handles rbac-related business logic.

UserService handles user-related business logic.

Collection defines an interface for MongoDB operations.