Easy way to get current device type with dot notation

UIDevice+DeviceType

import UIKit

public enum DeviceType {
    case iPhone4
    case iPhone4s
    case iPhone5
    case iPhone5c
    case iPhone5s
    case iPhone6
    case iPhone6Plus
    case iPhone6s
    case iPhone6sPlus
    case iPhone7
    case iPhone7Plus
    case iPhoneSE
    case iPhone8
    case iPhone8Plus
    case iPhoneX
    case iPodTouch5
    case iPodTouch6
    case iPad2
    case iPad3
    case iPad4
    case iPadAir
    case iPadAir2
    case iPad5
    case iPad6
    case iPadMini
    case iPadMini2
    case iPadMini3
    case iPadMini4
    case iPadPro9p7Inch
    case iPadPro10p5Inch
    case iPadPro12p9Inch
    case iPadPro12p9Inch2ndGen
    case AppleTV
    case AppleTV4K
    case HomePod
    case SimulatoriPhone5s
    case SimulatoriPhone6
    case SimulatoriPhone6Plus
    case SimulatoriPhone6s
    case SimulatoriPhone6sPlus
    case SimulatoriPhone7
    case SimulatoriPhone7Plus
    case SimulatoriPhone8
    case SimulatoriPhone8Plus
    case SimulatoriPhoneSE
    case SimulatoriPhoneX
    case SimulatoriPad5
    case SimulatoriPadAir
    case SimulatoriPadAir2
    case SimulatoriPadPro9p7Inch
    case SimulatoriPadPro10p5Inch
    case SimulatoriPadPro12p9Inch
    case SimulatoriPadPro12p9Inch2ndGen
    case NotAvailable
}

public extension UIDevice {
    
    static let modelName: DeviceType = {
        var systemInfo = utsname()
        uname(&systemInfo)
        let machineMirror = Mirror(reflecting: systemInfo.machine)
        let identifier = machineMirror.children.reduce("") { identifier, element in
            guard let value = element.value as? Int8, value != 0 else { return identifier }
            return identifier + String(UnicodeScalar(UInt8(value)))
        }
        
        func mapToDevice(identifier: String) -> DeviceType {
            switch identifier {
            case "iPod5,1":                                 return .iPodTouch5
            case "iPod7,1":                                 return .iPodTouch6
            case "iPhone3,1", "iPhone3,2", "iPhone3,3":     return .iPhone4
            case "iPhone4,1":                               return .iPhone4s
            case "iPhone5,1", "iPhone5,2":                  return .iPhone5
            case "iPhone5,3", "iPhone5,4":                  return .iPhone5c
            case "iPhone6,1", "iPhone6,2":                  return .iPhone5s
            case "iPhone7,2":                               return .iPhone6
            case "iPhone7,1":                               return .iPhone6Plus
            case "iPhone8,1":                               return .iPhone6s
            case "iPhone8,2":                               return .iPhone6sPlus
            case "iPhone9,1", "iPhone9,3":                  return .iPhone7
            case "iPhone9,2", "iPhone9,4":                  return .iPhone7Plus
            case "iPhone8,4":                               return .iPhoneSE
            case "iPhone10,1", "iPhone10,4":                return .iPhone8
            case "iPhone10,2", "iPhone10,5":                return .iPhone8Plus
            case "iPhone10,3", "iPhone10,6":                return .iPhoneX
            case "iPad2,1", "iPad2,2", "iPad2,3", "iPad2,4":return .iPad2
            case "iPad3,1", "iPad3,2", "iPad3,3":           return .iPad3
            case "iPad3,4", "iPad3,5", "iPad3,6":           return .iPad4
            case "iPad4,1", "iPad4,2", "iPad4,3":           return .iPadAir
            case "iPad5,3", "iPad5,4":                      return .iPadAir2
            case "iPad6,11", "iPad6,12":                    return .iPad5
            case "iPad7,5", "iPad7,6":                      return .iPad6
            case "iPad2,5", "iPad2,6", "iPad2,7":           return .iPadMini
            case "iPad4,4", "iPad4,5", "iPad4,6":           return .iPadMini2
            case "iPad4,7", "iPad4,8", "iPad4,9":           return .iPadMini3
            case "iPad5,1", "iPad5,2":                      return .iPadMini4
            case "iPad6,3", "iPad6,4":                      return .iPadPro9p7Inch
            case "iPad6,7", "iPad6,8":                      return .iPadPro12p9Inch
            case "iPad7,1", "iPad7,2":                      return .iPadPro12p9Inch2ndGen
            case "iPad7,3", "iPad7,4":                      return .iPadPro10p5Inch
            case "AppleTV5,3":                              return .AppleTV
            case "AppleTV6,2":                              return .AppleTV4K
            case "AudioAccessory1,1":                       return .HomePod
            case "i386", "x86_64":
                guard let environment = ProcessInfo().environment["SIMULATOR_MODEL_IDENTIFIER"] else { return .NotAvailable }
                switch mapToDevice(identifier: environment) {
                case .iPhone5s:                                 return .SimulatoriPhone5s
                case .iPhone6:                                  return .SimulatoriPhone6
                case .iPhone6Plus:                              return .SimulatoriPhone6Plus
                case .iPhone6s:                                 return .SimulatoriPhone6s
                case .iPhone6sPlus:                             return .SimulatoriPhone6sPlus
                case .iPhone7:                                  return .SimulatoriPhone7
                case .iPhone7Plus:                              return .SimulatoriPhone7Plus
                case .iPhone8:                                  return .SimulatoriPhone8
                case .iPhone8Plus:                              return .SimulatoriPhone8Plus
                case .iPhoneSE:                                 return .SimulatoriPhoneSE
                case .iPhoneX:                                  return .SimulatoriPhoneX
                case .iPad5:                                    return .SimulatoriPad5
                case .iPadAir:                                  return .SimulatoriPadAir
                case .iPadAir2:                                 return .SimulatoriPadAir2
                case .iPadPro9p7Inch:                           return .SimulatoriPadPro9p7Inch
                case .iPadPro10p5Inch:                          return .SimulatoriPadPro10p5Inch
                case .iPadPro12p9Inch:                          return .SimulatoriPadPro12p9Inch
                case .iPadPro12p9Inch2ndGen:                    return .SimulatoriPadPro12p9Inch2ndGen
                default:                                        return .NotAvailable
                }
            default: return .NotAvailable
            }
        }
        return mapToDevice(identifier: identifier)
    }()
}