@@ -0,0 +1,118 @@
+package store.controller;
+
+import store.Message.ErrorMessage;
+import store.model.domain.ShoppingCartCheck;
+import store.model.ReceiptTotals;
+import store.model.service.StoreService;
+import store.model.service.ReceiptCalculationService;
+import store.util.StringParser;
+import store.view.InputView;
+import store.view.OutputView;
+
+import java.util.List;
+import java.util.Map;
+
+public class StoreController {
+    private final InputView inputView;
+    private final OutputView outputView;
+    private final StoreService storeService;
+    private final ReceiptCalculationService receiptCalculationService;
+
+    public StoreController(InputView inputView, OutputView outputView, StoreService storeService, ReceiptCalculationService receiptCalculationService) {
+        this.inputView = inputView;
+        this.outputView = outputView;
+        this.storeService = storeService;
+        this.receiptCalculationService = receiptCalculationService;
+    }
+
+    public void run() {
+        do {
+            initializeView();
+            Map<String, Integer> shoppingCart = askPurchase();
+            List<ShoppingCartCheck> shoppingCartChecks = processShoppingCart(shoppingCart);
+            boolean isMembership = processMembership();
+
+            ReceiptTotals totals = receiptCalculationService.calculateTotals(shoppingCartChecks, isMembership);
+            outputView.printReceipt(shoppingCartChecks, totals);
+
+            storeService.reduceProductStocks(shoppingCartChecks);
+        } while (askAdditionalPurchase());
+    }
+
+    private void initializeView() {
+        outputView.printHelloMessage();
+        outputView.printProducts(storeService.getAllProductDtos());
+    }
+
+    private Map<String, Integer> askPurchase() {
+        while (true) {
+            try {
+                String item = inputView.readItem();
+                Map<String, Integer> shoppingCart = StringParser.parseToMap(item);
+                storeService.checkStock(shoppingCart);
+                return shoppingCart;
+            } catch (IllegalArgumentException | IllegalStateException e) {
+                System.out.println(e.getMessage());
+            }
+        }
+    }
+
+    private List<ShoppingCartCheck> processShoppingCart(Map<String, Integer> shoppingCart) {
+        List<ShoppingCartCheck> shoppingCartChecks = storeService.checkShoppingCart(shoppingCart);
+        shoppingCartChecks.forEach(this::processPromotionForItem);
+        return shoppingCartChecks;
+    }
+
+    private void processPromotionForItem(ShoppingCartCheck item) {
+        while (item.isCanReceiveAdditionalFree()) {
+            String decision = inputView.readPromotionDecision(item.getProductName());
+            if (decision.equals("Y")) {
+                item.acceptFree();
+                return;
+            }
+            if (decision.equals("N")) {
+                return;
+            }
+            System.out.println(ErrorMessage.GENERIC_ERROR.getMessage());
+        }
+
+        while (item.isActivePromotion() && item.getFullPriceCount() > 0) {
+            String decision = inputView.readFullPriceDecision(item.getProductName(), item.getFullPriceCount());
+            if (decision.equals("Y")) {
+                return;
+            }
+            if (decision.equals("N")) {
+                item.rejectFullPrice();
+                return;
+            }
+            System.out.println(ErrorMessage.GENERIC_ERROR.getMessage());
+        }
+    }
+
+    private boolean processMembership() {
+        while (true) {
+            String decision = inputView.readMembershipDecision();
+            if (decision.equals("Y")) {
+                return true;
+            }
+            if (decision.equals("N")) {
+                return false;
+            }
+            System.out.println(ErrorMessage.GENERIC_ERROR.getMessage());
+        }
+    }
+
+    private boolean askAdditionalPurchase() {
+        while (true) {
+            String decision = inputView.readAdditionalPurchaseDecision();
+            if (decision.equals("Y")) {
+                System.out.println();
+                return true;
+            }
+            if (decision.equals("N")) {
+                return false;
+            }
+            System.out.println(ErrorMessage.GENERIC_ERROR.getMessage());
+        }
+    }
+}
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리뷰: do-while문으로 반복문을 돌리니까 가독성이 더 좋은 것 같습니다 👍