what I need to do is call a function that is located in an extension of UIViewController from an static var with a didSet that is also located in the extension of UIViewController. Here would be some example code.
extension UIViewController {
static var isWifiAvailable = false {
didSet {
if isWifiAvailable = true {
getValidLogin()
}
}
}
func getValidLogin() {
// do something
}
func otherFuncCallsit() {
isWifiAvailable = true
}
}
I tried using
DispatchQueue.main.async {
let keyWindow = UIApplication.shared.windows.filter {$0.isKeyWindow}.first
if let topController = keyWindow?.rootViewController {
topController.getValidLogin(username: email, password: password, sender: "backgroundCheck")
}
}
But this caused the api I was calling from getValidLogin to not work. If I used this solution, when I would call the api, nothing after session.uploadTask would run (for example print("ok") wouldn't run). Here is my actual getValidLogin() (with the url of api changed)
func getValidLogin(username: String, password: String, sender: String = "") {
let session = URLSession.shared
let url = URL(string: "example.com")!
var request = URLRequest(url: url)
request.httpMethod = "POST"
request.setValue("application/json", forHTTPHeaderField: "Accept")
request.setValue("application/json", forHTTPHeaderField: "Content-Type")
let json = [
"UserName": username,
"Password": password
]
let jsonData = try! JSONSerialization.data(withJSONObject: json, options: [])
var done = false
let group = DispatchGroup() // initialize
print(request)
let task = session.uploadTask(with: request, from: jsonData) { data, response, error in
group.enter()
if data == nil {
self.showNoWifiAlert()
loginResponseDetails.message = "Cannot Login Due to Unstable Internet Connection. Please Try again"
group.leave()
done = true
} else {
do {
guard let dictionary = try JSONSerialization.jsonObject(with: data!, options: []) as? [String: Any] else {
print("Could not cast JSON content as a Dictionary<String, Any>")
return
}
UIViewController.isWifiAvailable = true
loginResponseDetails.token = dictionary["Token"] as? String ?? "nil"
loginResponseDetails.message = dictionary["Message"] as! String
loginResponseDetails.status = dictionary["Status"] as! Bool
loginResponseDetails.isResetFirstPassword = dictionary["IsResetFirstPassword"] as! Bool
loginResponseDetails.isFinalRegistrationSubmitted = dictionary["IsFinalRegistrationSubmitted"] as! Bool
loginResponseDetails.finalStatus = dictionary["FinalStatus"] as? String ?? "nil"
loginResponseDetails.isAgreementsAccepted = dictionary["IsAgreementsAccepted"] as! Bool
loginResponseDetails.carrierCountry = dictionary["CarrierCountry"] as? String ?? "nil"
print("token: " + loginResponseDetails.token)
print("message: " + loginResponseDetails.message)
print("status: " + String(loginResponseDetails.status))
print("isResetFirstPassword: " + String(loginResponseDetails.isResetFirstPassword))
print("isFinalRegistrationSubmitted: " + String(loginResponseDetails.isFinalRegistrationSubmitted))
print("finalStatus: " + loginResponseDetails.finalStatus)
print("isAgreementsAccepted: " + String(loginResponseDetails.isAgreementsAccepted))
print("carrierCountry: " + loginResponseDetails.carrierCountry)
group.leave()
done = true
} catch {
// Print error if something went wrong
print("Error: \(error)")
}
}
}
group.notify(queue: .main) {
task.resume()
}
repeat {
RunLoop.current.run(until: Date(timeIntervalSinceNow: 0.1))
} while !done
print("ok")
if sender == "backgroundCheck" {
print(loginResponseDetails.status)
print("ok")
if loginResponseDetails.status == true {
let vc = UIStoryboard(name: "ShamitMain", bundle: nil).instantiateViewController(identifier: "LoginVC")
let navController = UINavigationController(rootViewController: vc)
navController.isNavigationBarHidden = false
navController.modalPresentationStyle = .fullScreen
self.present(navController, animated: true, completion: nil)
}
}
}
So is there either some other way to call getValidLogin() or is there any way to solve the problem I'm having when using the solution above?
