LoginUserData.swift

public struct LoginUserData {
    public var userId: String? = ""
    public var userName: String? = ""
    public var email: String? = ""
    public var gender: Int = 0
    public var birthday: String? = ""
    public var about: String? = ""
    public var photoUrl: String? = ""
    public var idToken: String? = ""
    public var accessToken: String? = ""
}

   public typealias UserDataComplition = (_ userData: LoginUserData?, _ error: Error?) -> Void

var userDataBlock: UserDataComplition?

public func login(controller: UIViewController, complitionBlock: @escaping UserDataComplition, didDisconnectBlock: @escaping UserDataComplition) {
userDataBlock = complitionBlock
userDidDisconnectWithBlock = didDisconnectBlock
googleManager?.presentingViewController = controller
googleManager?.delegate = self
googleManager?.signIn()
}

userData = data
if let block = self.userDataBlock {
block(data, nil)
}