package session import ( "net/http" "github.com/pkg/errors" "gitlab.com/wpetit/goweb/service" ) // ServiceName defines the Session service name const ServiceName service.Name = "session" // Service defines the API of a "http session" service type Service interface { Get(http.ResponseWriter, *http.Request) (Session, error) } // From retrieves the session service in the given container func From(container *service.Container) (Service, error) { service, err := container.Service(ServiceName) if err != nil { return nil, errors.Wrapf(err, "error while retrieving '%s' service", ServiceName) } sessionService, ok := service.(Service) if !ok { return nil, errors.Errorf("retrieved service is not a valid '%s' service", ServiceName) } return sessionService, nil } // Must retrieves the session service in the given container or panic otherwise func Must(container *service.Container) Service { service, err := From(container) if err != nil { panic(err) } return service }