Can you handle when internet disconnect?

[lexuanquynh]

Describe the bug
Can you handle when I disconnect internet and try login button or other API request. The loading will forever and user can not touch any more.

To Reproduce
Steps to reproduce the behavior:

1. Go to 'Login screen'. Turn of internet connection
2. Fill data and Click on 'Login button'
3. See error: loading forever

[manhpham90vn]

func request(_ token: Target) -> Observable<Moya.Response> {
        let actualRequest = provider.rx.request(token)
        return online
//            .ignore(value: false)  // Wait until we're online
            .take(1)        // Take 1 to make sure we only invoke the API once.
            .flatMap { _ in // Turn the online state into a network request
                return actualRequest
                    .filterSuccessfulStatusCodes()
                    .do(onSuccess: { (response) in
                    }, onError: { (error) in
                        if let error = error as? MoyaError {
                            switch error {
                            case .statusCode(let response):
                                if response.statusCode == 401 {
                                    // Unauthorized
                                    if AuthManager.shared.hasValidToken {
                                        AuthManager.removeToken()
                                        Application.shared.presentInitialScreen(in: Application.shared.window)
                                    }
                                }
                            case .underlying(let error, _):
                                if let error = error as? AFError {
                                    switch error {
                                    case .sessionTaskFailed(let error as NSError):
                                        if error.domain == NSURLErrorDomain && error.code == NSURLErrorTimedOut {
                                            print("timeout")
                                        } else if error.domain == NSURLErrorDomain && error.code == NSURLErrorDataNotAllowed {
                                            print("no connect")
                                        }
                                    default:
                                        break
                                    }
                                }
                            default:
                                break
                            }
                        }
                    })
        }
    }

try this function