@@ -0,0 +1,101 @@
+package store.controller;
+
+import camp.nextstep.edu.missionutils.DateTimes;
+
+import store.model.inventory.Inventory;
+import store.model.order.OrderDetails;
+import store.model.order.OrderDetailsFactory;
+import store.model.orderquantity.OrderQuantityOption;
+import store.model.orderquantity.OrderQuantityOptions;
+import store.model.order.Receipt;
+import store.service.StoreService;
+import store.view.InputView;
+import store.view.OutputView;
+
+import java.time.LocalDateTime;
+
+/**
+ * 프로그램의 메인 흐름을 제어하고, View와 Service 계층을 매개하는 역할을 하는 클래스
+ * InputView로부터 모델 생성에 필요한 값을 전달받아서 모델 객체를 생성하고, StoreServcie에 전달한다.
+ * StoreService에서 생성한 결과 값을 요청해서 전달받고 이를 OutputView에 전달한다.
+ */
+public class StoreController {
+
+    private static final String YES = "Y";
+
+    private final InputView inputView;
+    
+    private final OutputView outputView;
+    
+    private final StoreService service;
+    
+    public StoreController(InputView inputView, OutputView outputView, StoreService service) {
+        this.inputView = inputView;
+        this.outputView = outputView;
+        this.service = service;
+    }
+    
+    public void run() {
+        service.initPromotionsAndInventory();
+        boolean keepOpen = true;
+        while (keepOpen) {
+            keepOpen = storeOpen(DateTimes.now());
+        }
+    }
+
+    private boolean storeOpen(LocalDateTime orderTime) {
+        getOrderAndSave();
+        OrderQuantityOptions options = service.getOrderQuantityOptions(orderTime);
+        setQuantityOptionDecisions(options);
+        service.adjustQuantity(options, orderTime);
+        discountAndPrintReceipt(orderTime);
+        service.deductInventoryBySale();
+        return doesKeepOrder();
+    }
+    
+    private void getOrderAndSave() {
+        OrderDetailsFactory factory = new OrderDetailsFactory();
+        Inventory inventory = service.getInventory();
+        OrderDetails orderDetails = getOrderDetails(factory, inventory);
+        service.saveOrderDetails(orderDetails);
+    }
+    
+    private OrderDetails getOrderDetails(OrderDetailsFactory factory, Inventory inventory) {
+        while (true) {
+            try {
+                String orderLine = inputView.getOrder(inventory);
+                return factory.create(orderLine, inventory);
+            } catch (IllegalArgumentException e) {
+                System.out.println(e.getMessage());
+            }
+        }
+    }
+
+    private void setQuantityOptionDecisions(OrderQuantityOptions options) {
+        for (OrderQuantityOption option : options) {
+            String decisionLine = inputView.getOptionDecision(option);
+            if (decisionLine.equals(YES)) {
+                option.setDecisionTrue();
+            }
+        }
+    }
+
+    private void discountAndPrintReceipt(LocalDateTime orderTime) {
+        service.discountPromotion(orderTime);
+        String membershipDiscountChoice = inputView.getMemberShipDiscountDecision();
+        boolean wantMembershipDiscount = doesWantMembershipDiscount(membershipDiscountChoice);
+        service.discountMembership(wantMembershipDiscount);
+        Receipt receipt = service.getReceipt();
+        outputView.printReceipt(receipt);
+    }
+
+    private boolean doesWantMembershipDiscount(String membershipDiscountChoice) {
+        return membershipDiscountChoice.equals(YES);
+    }
+    
+    private boolean doesKeepOrder() {
+        String keepOpenLine = inputView.getKeepOpenLine();
+        return keepOpenLine.equals(YES);
+    }
+
+}

리뷰: doesKeep보다 keeps로 줄이는 건 어떨까요?