riccardo.swift

class User {
    
    static let URL_SAVE_TEAM = URL(string: "http://localhost/test/login_mobile.php")!
    
    func login(email: String, password: String, completion: @escaping (String?)->()) {
        
        var request = URLRequest(url: User.URL_SAVE_TEAM)
        request.httpMethod = "POST"
        
        let postParameters = "email=\(email)&password=\(password)"
        request.httpBody = postParameters.data(using: .utf8)
        
        let task = URLSession.shared.dataTask(with: request) { data, response, error in
            if let error = error {
                print("error is \(error.localizedDescription)")
                completion(nil)
                return
            }
            
            guard let data = data else {
                print("No data was returned by the request!")
                completion(nil)
                return
            }
            
            do {
                guard let parseJSON = try JSONSerialization.jsonObject(with: data, options: .allowFragments) as? Dictionary<String, String?>,
                    let msg = parseJSON["message"] as? String else {
                    print("Error parsing data")
                    completion(nil)
                    return
                }
                
                print("Responso di ritorno: \(msg)")
                completion(msg)
                
            } catch {
                print("error is \(error.localizedDescription)")
                completion(nil)
            }
            
        }
        task.resume()
    }
}