expectable.swift

extension CLLocation: Asking, Expectable {

    static func ask<E>(with: Any?, in pipe: Pipe, expect: Expect<E>) {
        let source = with as? CLLocationManager ?? pipe.get()

        let handler = { (status: CLAuthorizationStatus) -> Bool in
            guard status != .notDetermined else {
                return true
            }

            switch (expect.condition) {
                case .one:
                    source.requestLocation()

                default:
                    source.startUpdatingLocation()
            }

            return false
        }

        //Expect specific status
        if let status = with as? CLAuthorizationStatus ?? pipe.get() {
            status | .while(inner: true, handler: handler)
        } else {
            //Or start expecting from specific manager
            source | .while(inner: true, handler: handler)
        }

        expect.cleaner = {
            source.stopUpdatingLocation()
        }
    }

}