go-captiveportal/provider.go

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package captiveportal
import (
"github.com/pkg/errors"
"gitlab.com/wpetit/goweb/service"
)
const (
ServiceName service.Name = "captiveportal"
)
func ServiceProvider(redirectURL string, identifier Identifier, opts ...OptionsFunc) service.Provider {
srv := New(redirectURL, identifier, opts...)
return func(ctn *service.Container) (interface{}, error) {
return srv, nil
}
}
// From retrieves the 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)
}
srv, ok := service.(*Service)
if !ok {
return nil, errors.Errorf("retrieved service is not a valid '%s' service", ServiceName)
}
return srv, nil
}
// Must retrieves the service in the given container or panic otherwise
func Must(container *service.Container) *Service {
srv, err := From(container)
if err != nil {
panic(err)
}
return srv
}