fun inactiveUser(userId: Int)

class UserController {
  private notificationController: NotificationController;
  private statusController: StatusController;
  
  constructor() {
    this.notificationController = NotificationController();
    this.statusController = StatusController();
  }
  
  fun inactiveUser(userId: Int) {
    val user: User = this.getUserById(userId);
    if (user.status != StatusController.INACTIVE) {
      this.statusController.inactive(userId);
      this.notificationController.sendInactiveNotification();
    }
  }
}

class UserController {
  private notificationController: NotificationController;
  private statusController: StatusController;
  
  constructor(
    notificationController: NotificationController,
    statusController: StatusController
  ) {
    this.notificationController = notificationController;
    this.statusController = statusController;
  }
  
  fun inactiveUser(userId: Int) {
    val user: User = this.getUserById(userId);
    if (user.status != StatusController.INACTIVE) {
      this.statusController.inactive(userId);
      this.notificationController.sendInactiveNotification();
    }
  }
}

Nombre pronunciables
// Mal
val yyyymmdstr: String = sdf.format(new Date(), "YYYY/MM/DD");
// Mejor
val currentDate: String = sdf.format(new Date(), "YYYY/MM/DD");


Lexico coherente
// Mal
getUserInfo();
getClientData();
getCustomerRecord();
// Mejor
getUser();


Nombre para arrays
// Mal
val fruit = listOf("manzana", "platano", "fresa");
val fruitList = listOf("manzana", "platano", "fresa");
val fruits = listOf("manzana", "platano", "fresa");
// Bien
val fruitNames = listOf("manzana", "platano", "fresa");

Nombres para booleanos
// Mal
val read: Boolean = true;
val write: Boolean = true;
val fruit: Boolean = true;
// Bien
val isRead: Boolean = true;
val canWrite: Boolean = true;
val hasFruit: Boolean = true;


Nombres para números
// Mal
val fruits: Int = 3;
// Bien
val maxFruits: Int = 5;
val minFruits: Int = 1;
val totalFruits: Int = 3

fun showReport(reportData: Data) {
  val reportFormatted = """
      Name: ${reportData.name}
      Created at: ${reportData.createdAt}
      Purchases: ${reportData.purchases}
      Conversion Rate: ${reportData.conversionRate}%
      """
  println("Showing report $reportFormatted")
}

fun saveReport(reportData: Data) {
  val reportFormatted = """
      Name: ${reportData.name}
      Created at: ${reportData.createdAt}
      Purchases: ${reportData.purchases}
      Conversion Rate: ${reportData.conversionRate}%
      """
  println("Saving report... $reportFormatted")
}

class SMSSender {
  sendMessage(
    msg: String, providerName: String
  ) {
    swhitch(providerName) {
      case Provders.INFOBIP:
        sendMessageInfobip(msg);
      break;
      case Provders.HABLAME:
        sendMessageHablame(msg);
      break;
    }
  }
  
  fun sendMessageInfobip(msg: String) {
    // ...
  }
  
  fun sendMessageHablame(msg: String) {
    // ...
  }
}

class SMSSender {
  // ...
  fun sendMessage(
    msg: String, providerName: String
  ) {
    IProvider provider = providerFactory
    	.get(providerName);
    provider.sendMessage(msg);
  }
}

interface IProvider {
  fun sendMessage(msg: String);
}

class InfobipProvider : IProvider {
  fun sendMessage(msg: String) {
    // ...
  }
}

class HablameProvider : IProvider {
  fun sendMessage(msg: String) {
    // ...
  }
}

interface ButtonListener {
  fun onClick(button: Button);
  fun onLongClick(button: Button);
}

class Screen1 : ButtonListener {
  fun onClick(button: Button) {
    // ...
  }
  
  fun onLongClick(button: Button) {
    throw new Exception("Unsupported operation");
  }
}

class Screen2 : ButtonListener {
  fun onClick(button: Button) {
    throw new Exception("Unsupported operation");
  }
  
  fun onLongClick(button: Button) {
    // ...
  }
}

interface ButtonClickListener {
  fun onClick(button: Button);
}

interface ButtonLongClickListener {
  fun onLongClick(button: Button);
}

class Screen1 : ButtonClickListener {
  fun onClick(button: Button) {
     // ...
  }
}

class Screen2 : ButtonLongClickListener {
  fun  onLongClick(button: Button) {
     // ...
  }
}

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🐢   Empieza despacio pero hazlo real
😵   No intentes refactorizar todo de una vez
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🤔   Cuestiona todos tus hábitos
🏕️   Deja el parque más limpio de lo que lo encontraste
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💸   No olvides a tus clientes
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