Feat: 특정 Products의 meal type 조회 기능의 컨트롤러 구현

- API : GET /api/products?meal={value}
- 컨트롤러 테스트 구현
- 서비스 계층은 Mock 처리
- Product 도메인 객체 생성
- ProductsDtoMapper 객체 생성 : Product 도메인 <-> ProductsMealTypeResponse 변환

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

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+package sidedish.com.controller;
+
+import java.util.List;
+import java.util.stream.Collectors;
+import javax.validation.constraints.NotEmpty;
+import org.springframework.web.bind.annotation.GetMapping;
+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.ProductsMealTypeResponse;
+import sidedish.com.domain.Product;
+import sidedish.com.service.ProductsService;
+
+@RestController
+@RequestMapping("/api/products")
+public class ProductsController {
+
+	ProductsService productsService;
+
+	public ProductsController(ProductsService productsService) {
+		this.productsService = productsService;
+	}
+
+	@GetMapping
+	public List<ProductsMealTypeResponse> findProductsMealType(
+		@RequestParam @NotEmpty String meal) {
+		List<Product> products = productsService.findByMealType(meal);
+
+		return products.stream()
+			.map(ProductsDtoMapper::toProductsMealTypeResponseFromDomain)
+			.collect(Collectors.toList());
+	}
+}

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

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+package sidedish.com.controller;
+
+import sidedish.com.controller.model.ProductsMealTypeResponse;
+import sidedish.com.domain.Product;
+
+public class ProductsDtoMapper {
+
+	private ProductsDtoMapper() {
+	}
+
+	public static ProductsMealTypeResponse toProductsMealTypeResponseFromDomain(Product product) {
+		return new ProductsMealTypeResponse(product.getId()
+			, product.getImage().get(0).getImage(),
+			product.getProductName(),
+			product.getDescription(),
+			product.getFixedPrice(),
+			product.getOriginalPrice(),
+			product.getDisCountPolicy().getPolicyName());
+
+	}
+}

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

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+package sidedish.com.controller.model;
+
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@Getter
+@AllArgsConstructor
+public class ProductsMealTypeResponse {
+
+	private Long id;
+	private String image;
+	private String productName;
+	private String description;
+	private long fixedPrice;
+	private long originalPrice;
+	private String event;
+
+}

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

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+package sidedish.com.domain;
+
+import java.time.LocalDateTime;
+import lombok.Getter;
+
+@Getter
+public class DisCountPolicy {
+
+	private Long id;
+	private String policyName;
+	private float discountRate;
+	private LocalDateTime startAt;
+	private LocalDateTime endAt;
+
+	public DisCountPolicy(String policyName) {
+		this.policyName = policyName;
+	}
+}

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

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+package sidedish.com.domain;
+
+import lombok.Getter;
+
+@Getter
+public class Image {
+
+	private String image;
+
+	public Image(String image) {
+		this.image = image;
+	}
+}

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

@@ -0,0 +1,19 @@
+package sidedish.com.domain;
+
+import java.util.List;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@Getter
+@AllArgsConstructor
+public class Product {
+
+	private Long id;
+	private List<Image> image;
+	private String productName;
+	private String description;
+	private long fixedPrice;
+	private long originalPrice;
+	private DisCountPolicy disCountPolicy;
+
+}

BE/src/main/java/sidedish/com/service/ProductsService.java

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+package sidedish.com.service;
+
+import java.util.List;
+import org.springframework.stereotype.Service;
+import sidedish.com.domain.Product;
+
+@Service
+public class ProductsService {
+
+	public List<Product> findByMealType(String meal) {
+		return null;
+	}
+}

BE/src/test/java/sidedish/com/controller/ProductsControllerTest.java

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+package sidedish.com.controller;
+
+import static org.junit.jupiter.api.Assertions.*;
+import static org.mockito.BDDMockito.given;
+import static org.mockito.Mockito.mock;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.content;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+import java.util.ArrayList;
+import java.util.List;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
+import org.springframework.boot.test.mock.mockito.MockBean;
+import org.springframework.http.MediaType;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.test.web.servlet.ResultActions;
+import sidedish.com.domain.DisCountPolicy;
+import sidedish.com.domain.Image;
+import sidedish.com.domain.Product;
+import sidedish.com.service.ProductsService;
+
+@WebMvcTest(ProductsController.class)
+@DisplayName("ProductsControllerTest 클래스")
+class ProductsControllerTest {
+
+	@Autowired
+	private MockMvc mockMvc;
+
+	@MockBean
+	private ProductsService productsService;
+
+	@Test
+	void 만약_meal_type이_soup인_경우_soup음식_타입_조회_성공() throws Exception {
+		given(productsService.findByMealType("soup"))
+			.willReturn(createListProducts());
+
+		ResultActions perform = mockMvc.perform(get("/api/products?meal=soup"));
+
+		perform
+			.andExpect(status().isOk())
+			.andExpect(content().contentType(MediaType.APPLICATION_JSON));
+	}
+
+	private List<Product> createListProducts() {
+		List<Product> products = new ArrayList<>();
+
+		products.add(new Product(5L, List.of(new Image("http://kukukukukukukukuku.com/test.jpg")),
+			"한돈 돼지 김치찌개", "김치찌개에는 역시 돼지고기", 8370, 9300, new DisCountPolicy("이벤트특가")));
+		products.add(new Product(6L, List.of(new Image("http://kukukukukukukukuku.com/test2.jpg")),
+			"하하하 테스트 음식", "맛있어요", 8370, 9300, new DisCountPolicy("이벤트특가")));
+
+		return products;
+	}
+}