feat: 주문 버튼 터치시 재고가 있는 경우와 없는 경우에 대한 기능 구현

- JuiceMakerViewController 클래스에 juiceMaker 프로퍼티 생성
- orderJuiceButtonTapped 메소드 로직 수정
- notificationAlert 메소드를 통해 버튼이 하나인 Alert를 보여주도록 구현
- outOfStockAlert 메소드를 통해 버튼이 2개인 Alert를 보여주도록 구현
- juiceCompletionAlert 메소드 삭제 (notificationAlert에 통합)

JuiceMaker/JuiceMaker/Controller/JuiceMakerViewController.swift

@@ -8,43 +8,65 @@ import UIKit
 
 class JuiceMakerViewController: UIViewController {
 
+ private let juiceMaker = JuiceMaker()
+
  override func viewDidLoad() {
  super.viewDidLoad()
  // Do any additional setup after loading the view.
  }
 
  @IBAction func orderJuiceButtonTapped(_ sender: UIButton) {
  let buttonText = sender.titleLabel?.text
+ let juice: Juice
 
  switch buttonText {
  case "딸바쥬스 주문":
- juiceCompletionAlret(juice: .strawberryBanana)
+ juice = .strawberryBanana
  case "망키쥬스 주문":
- juiceCompletionAlret(juice: .mangoKiwi)
+ juice = .mangoKiwi
  case "딸기쥬스 주문":
- juiceCompletionAlret(juice: .strawberry)
+ juice = .strawberry
  case "바나나쥬스 주문":
- juiceCompletionAlret(juice: .banana)
+ juice = .banana
  case "파인애플쥬스 주문":
- juiceCompletionAlret(juice: .pineapple)
+ juice = .pineapple
  case "키위쥬스 주문":
- juiceCompletionAlret(juice: .kiwi)
+ juice = .kiwi
  case "망고쥬스 주문":
- juiceCompletionAlret(juice: .mango)
+ juice = .mango
  default:
- let alret = UIAlertController(title: "오류", message: "잘못된 접근입니다.", preferredStyle: .alert)
- let cencel = UIAlertAction(title: "Cencel", style: .destructive, handler: nil)
- alret.addAction(cencel)
- present(alret, animated: true, completion: nil)
+ notificationAlert(message: "잘못된 접근입니다.")
+ return
  }
 
+ do {
+ try juiceMaker.mixFruit(juice: juice)
+ } catch RequestError.fruitStockOut {
+ outOfStockAlert()
+ } catch let error as RequestError {
+ notificationAlert(message: error.errorDescription)
+ } catch {
+ notificationAlert(message: "잘못된 접근입니다.")
+ }
  }
 
- func juiceCompletionAlret(juice: Juice){
- let alret = UIAlertController(title: nil, message: "\(juice) 쥬스 나왔습니다! 맛있게 드세요!", preferredStyle: .alert)
- let cancel = UIAlertAction(title: "Cancel", style: .destructive, handler: nil)
- alret.addAction(cancel)
- present(alret, animated: true, completion: nil)
+ func notificationAlert(message: String, title: String = "OK") {
+ let alert = UIAlertController(title: nil, message: message, preferredStyle: .alert)
+ let cancel = UIAlertAction(title: title, style: .cancel, handler: nil)
+ alert.addAction(cancel)
+ present(alert, animated: true, completion: nil)
+ }
+
+ func outOfStockAlert() {
+ let alert = UIAlertController(title: nil, message: "재료가 모자라요. 재고를 수정할까요?", preferredStyle: .alert)
+ let noAction = UIAlertAction(title: "아니오", style: .cancel, handler: nil)
+ let yesAction = UIAlertAction(title: "네", style: .default) { _ in
+ guard let viewController = self.storyboard?.instantiateViewController(withIdentifier: "FruitStoreView") else { return }
+ self.present(viewController, animated: true, completion: nil)
+ }
+ alert.addAction(noAction)
+ alert.addAction(yesAction)
+ present(alert, animated: true, completion: nil)
  }
 
 }

JuiceMaker/JuiceMaker/Model/RequestError.swift

@@ -7,7 +7,7 @@
 
 import Foundation
 
-enum RequestError: Error, LocalizedError {
+enum RequestError: Error {
  case wrongCount
  case fruitNotFound
  case fruitStockOut

JuiceMaker/JuiceMaker/View/Base.lproj/Main.storyboard

@@ -424,7 +424,7 @@
  <!--Navigation Controller-->
  <scene sceneID="cAf-jL-tPK">
  <objects>
- <navigationController automaticallyAdjustsScrollViewInsets="NO" id="WwV-Td-3Bn" sceneMemberID="viewController">
+ <navigationController storyboardIdentifier="FruitStoreView" automaticallyAdjustsScrollViewInsets="NO" id="WwV-Td-3Bn" sceneMemberID="viewController">
  <toolbarItems/>
  <navigationItem key="navigationItem" id="x5k-dG-c9Q"/>
  <navigationBar key="navigationBar" contentMode="scaleToFill" id="ufw-7J-6hD">