package cqrs import ( "github.com/pkg/errors" "gitlab.com/wpetit/goweb/service" ) // ServiceName defines the cqrs service name const ServiceName service.Name = "cqrs" // From retrieves the cqrs service in the given container func From(container *service.Container) (*Bus, error) { raw, err := container.Service(ServiceName) if err != nil { return nil, errors.Wrapf(err, "error while retrieving '%s' service", ServiceName) } srv, ok := raw.(*Bus) if !ok { return nil, errors.Errorf("retrieved service is not a valid '%s' service", ServiceName) } return srv, nil } // Must retrieves the cqrs service in the given container or panic otherwise func Must(container *service.Container) *Bus { service, err := From(container) if err != nil { panic(err) } return service }