Merge pull request codesquad-members-2022#135 from Louie-03/dev-BE

[Team-03][BE][루이&쿠킴] - 로그인 제외한 모든 API 기능 구현, 배포

BE/src/main/java/sidedish/com/config/WebConfig.java

@@ -0,0 +1,21 @@
+package sidedish.com.config;
+
+import java.util.Map;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.config.annotation.CorsRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+@Configuration
+public class WebConfig implements WebMvcConfigurer {
+
+	@Override
+	public void addCorsMappings(CorsRegistry registry) {
+		Map<String, String> envs = System.getenv();
+		String awsIp = "http://" + envs.get("AWS_IP");
+		String localIp = "http://" + envs.get("LOCAL_IP");
+		String dnsName = envs.get("DNS_NAME");
+
+		registry.addMapping("/**")
+			.allowedOrigins(localIp, awsIp, dnsName);
+	}
+}

BE/src/main/java/sidedish/com/controller/DomainDtoMapper.java

@@ -0,0 +1,55 @@
+package sidedish.com.controller;
+
+import java.util.List;
+import java.util.stream.Collectors;
+import org.springframework.stereotype.Component;
+import sidedish.com.controller.model.OrderSaveResponse;
+import sidedish.com.controller.model.ProductDetailTypeResponse;
+import sidedish.com.controller.model.ProductBasicTypeResponse;
+import sidedish.com.domain.Product;
+import sidedish.com.repository.entity.OrderEntity;
+
+@Component
+public class DomainDtoMapper {
+
+	public List<ProductBasicTypeResponse> toProductsBasicTypeResponseFromProducts(
+		List<Product> products) {
+		return products.stream()
+			.map(this::toProductMealTypeResponseFromProduct)
+			.collect(Collectors.toList());
+	}
+
+	private ProductBasicTypeResponse toProductMealTypeResponseFromProduct(
+		Product product) {
+		return new ProductBasicTypeResponse(
+			product.getId(),
+			product.getImages().get(0).getImageUrl(),
+			product.getProductName(),
+			product.getDescription(),
+			product.getFixedPrice(),
+			product.getOriginalPrice(),
+			product.getDiscountPolicy().getPolicyName());
+	}
+
+	public ProductDetailTypeResponse toProductDetailTypeFromProduct(
+		Product product) {
+		return new ProductDetailTypeResponse(
+			product.getId(),
+			product.getImages(),
+			product.getProductName(),
+			product.getDescription(),
+			product.getFixedPrice(),
+			product.getOriginalPrice(),
+			product.getDiscountPolicy().getPolicyName(),
+			product.getMileage(),
+			product.getDeliveryPolicy().getDeliveryInfo(),
+			product.getDeliveryPolicy().getDeliveryCharge(),
+			product.getDeliveryPolicy().getFreeDeliveryOverAmount()
+			);
+	}
+
+	public OrderSaveResponse toOrderSaveResponseFromOrder(OrderEntity orderEntity) {
+		return new OrderSaveResponse(orderEntity.getId());
+	}
+
+}

BE/src/main/java/sidedish/com/controller/OrderController.java

@@ -0,0 +1,28 @@
+package sidedish.com.controller;
+
+import javax.validation.Valid;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.ResponseStatus;
+import org.springframework.web.bind.annotation.RestController;
+import sidedish.com.controller.model.OrderSaveRequest;
+import sidedish.com.controller.model.OrderSaveResponse;
+import sidedish.com.service.OrderService;
+
+@RequiredArgsConstructor
+@RestController
+public class OrderController {
+
+    private final OrderService orderService;
+
+    @PostMapping("/api/products/{id}/order")
+    @ResponseStatus(HttpStatus.CREATED)
+    public OrderSaveResponse order(@PathVariable Long id,
+        @RequestBody @Valid OrderSaveRequest orderSaveRequest) {
+        return orderService.save(id, orderSaveRequest.getCount());
+    }
+
+}

BE/src/main/java/sidedish/com/controller/ProductsController.java

@@ -1,12 +1,13 @@
 package sidedish.com.controller;
 
 import java.util.List;
-import javax.validation.constraints.NotEmpty;
 import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 import org.springframework.web.bind.annotation.RestController;
-import sidedish.com.controller.model.ProductMealTypeResponse;
+import sidedish.com.controller.model.ProductBasicTypeResponse;
+import sidedish.com.controller.model.ProductDetailTypeResponse;
 import sidedish.com.service.ProductsService;
 
 @RestController
@@ -20,8 +21,24 @@ public ProductsController(ProductsService productsService) {
 	}
 
 	@GetMapping
-	public List<ProductMealTypeResponse> findProductsMealType(
-		@RequestParam @NotEmpty String meal) {
+	public List<ProductBasicTypeResponse> findProductsMealType(
+		@RequestParam String meal) {
 		return productsService.findByMealType(meal);
 	}
+
+	@GetMapping("/{id}")
+	public ProductDetailTypeResponse findById(@PathVariable Long id) {
+		return productsService.findById(id);
+	}
+
+	@GetMapping("/best")
+	public List<ProductBasicTypeResponse> findAllByBestCategory(
+		@RequestParam String category) {
+		return productsService.findAllByBestCategory(category);
+	}
+
+	@GetMapping("/recommendation")
+	public List<ProductBasicTypeResponse> recommend() {
+		return productsService.recommend();
+	}
 }

BE/src/main/java/sidedish/com/controller/model/OrderSaveRequest.java

@@ -0,0 +1,11 @@
+package sidedish.com.controller.model;
+
+import javax.validation.constraints.Positive;
+import lombok.Getter;
+
+@Getter
+public class OrderSaveRequest {
+
+    @Positive
+    private Long count;
+}

BE/src/main/java/sidedish/com/controller/model/OrderSaveResponse.java

@@ -0,0 +1,11 @@
+package sidedish.com.controller.model;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@Getter
+@AllArgsConstructor
+public class OrderSaveResponse {
+    private Long id;
+
+}

BE/src/main/java/sidedish/com/controller/model/ProductMealTypeResponse.java → BE/src/main/java/sidedish/com/controller/model/ProductBasicTypeResponse.java

@@ -6,7 +6,7 @@
 
 @Getter
 @AllArgsConstructor
-public class ProductMealTypeResponse {
+public class ProductBasicTypeResponse {
 
 	private Long id;
 	private String image;

BE/src/main/java/sidedish/com/controller/model/ProductDetailTypeResponse.java

@@ -0,0 +1,25 @@
+package sidedish.com.controller.model;
+
+
+import java.util.List;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import sidedish.com.domain.Image;
+
+@Getter
+@AllArgsConstructor
+public class ProductDetailTypeResponse {
+
+	private Long id;
+	private List<Image> images;
+	private String productName;
+	private String description;
+	private long fixedPrice;
+	private long originalPrice;
+	private String event;
+	private long mileage;
+	private String deliveryInfo;
+	private long deliveryCharge;
+	private long freeDeliveryOverAmount;
+
+}

BE/src/main/java/sidedish/com/domain/DeliveryPolicy.java

@@ -0,0 +1,14 @@
+package sidedish.com.domain;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@Getter
+@AllArgsConstructor
+public class DeliveryPolicy {
+
+	private String deliveryInfo;
+	private Long deliveryCharge;
+	private Long freeDeliveryOverAmount;
+
+}

BE/src/main/java/sidedish/com/domain/DiscountPolicy.java

@@ -8,9 +8,9 @@
 public class DiscountPolicy {
 
 	private String policyName;
-	private float discountRate;
+	private long discountRate;
 
 	public long calculateFixedPrice(long originalPrice) {
-		return (long) (originalPrice * ((100 - discountRate) / 100));
+		return (long) (originalPrice * ((100 - discountRate) / (double) 100));
 	}
 }

BE/src/main/java/sidedish/com/domain/Order.java

@@ -0,0 +1,29 @@
+package sidedish.com.domain;
+
+import lombok.Getter;
+
+@Getter
+public class Order {
+	private final Product product;
+	private final long count;
+	private final long totalPrice;
+	private final long deliveryPrice;
+
+	public Order(Product product, long count) {
+		this.product = product;
+		this.count = count;
+		this.totalPrice = calculateTotalPrice();
+		this.deliveryPrice = calculateDeliveryPrice();
+	}
+
+	private long calculateTotalPrice() {
+		return count * product.getFixedPrice();
+	}
+
+	private long calculateDeliveryPrice() {
+		if (totalPrice >= product.getDeliveryPolicy().getFreeDeliveryOverAmount()) {
+			return 0;
+		}
+		return product.getDeliveryPolicy().getDeliveryCharge();
+	}
+}

BE/src/main/java/sidedish/com/domain/Product.java

@@ -2,34 +2,59 @@
 
 import java.util.List;
 import lombok.Getter;
+import sidedish.com.exception.NotEnoughStockQuantityException;
 
 @Getter
 public class Product {
-	private Long id;
-	private DiscountPolicy discountPolicy;
-	private List<Image> images;
-	private String productName;
-	private String description;
-	private long fixedPrice;
-	private long originalPrice;
-	private String mealCategory;
-	private String bestCategory;
+
+	public static final long MILEAGE_RATE = 100L;
+
+	private final Long id;
+	private final DiscountPolicy discountPolicy;
+	private final DeliveryPolicy deliveryPolicy;
+	private final List<Image> images;
+	private final String productName;
+	private final String description;
+	private final long fixedPrice;
+	private final long originalPrice;
+	private long stockQuantity;
+	private final String mealCategory;
+	private final String bestCategory;
+	private final long mileage;
 
 	public Product(Long id, DiscountPolicy discountPolicy,
-		List<Image> images, String productName, String description, long originalPrice,
-		String mealCategory, String bestCategory) {
+		DeliveryPolicy deliveryPolicy, List<Image> images, String productName,
+		String description, long originalPrice, long stockQuantity, String mealCategory,
+		String bestCategory) {
+		if (stockQuantity < 0) {
+			throw new NotEnoughStockQuantityException(stockQuantity);
+		}
 		this.id = id;
 		this.discountPolicy = discountPolicy;
+		this.deliveryPolicy = deliveryPolicy;
 		this.images = images;
 		this.productName = productName;
 		this.description = description;
 		this.originalPrice = originalPrice;
+		this.stockQuantity = stockQuantity;
 		this.mealCategory = mealCategory;
 		this.bestCategory = bestCategory;
 		this.fixedPrice = calculateFixedPrice();
+		this.mileage = calculateMileage();
+	}
+
+	private long calculateMileage() {
+		return fixedPrice / MILEAGE_RATE;
 	}
 
 	private long calculateFixedPrice() {
 		return discountPolicy.calculateFixedPrice(originalPrice);
 	}
+
+	public void minusStockQuantity(long count) {
+		if (count > stockQuantity) {
+			throw new NotEnoughStockQuantityException(stockQuantity);
+		}
+		stockQuantity -= count;
+	}
 }

BE/src/main/java/sidedish/com/exception/GlobalExceptionHandler.java

@@ -0,0 +1,24 @@
+package sidedish.com.exception;
+
+import java.util.Collections;
+import java.util.Map;
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.ResponseStatus;
+import org.springframework.web.bind.annotation.RestControllerAdvice;
+
+@RestControllerAdvice
+public class GlobalExceptionHandler {
+
+	@ResponseStatus(HttpStatus.BAD_REQUEST)
+	@ExceptionHandler(NotEnoughStockQuantityException.class)
+	public Map<String, Long> exceptionHandler(NotEnoughStockQuantityException e) {
+		long stockQuantity = e.getStockQuantity();
+		return Collections.singletonMap("currentStockQuantity", stockQuantity);
+	}
+
+	@ResponseStatus(value = HttpStatus.NOT_FOUND)
+	@ExceptionHandler(NoSuchProductsException.class)
+	public void exceptionHandler(NoSuchProductsException e) {
+	}
+}