Merge pull request #45 from SSapingMall/product-crud

Product crud

spring-boot-api/build.gradle

@@ -32,9 +32,6 @@ dependencies {
 	implementation 'org.mapstruct:mapstruct:1.4.2.Final'
 	annotationProcessor 'org.mapstruct:mapstruct-processor:1.4.2.Final'
 
-	// for domain -> dto auto change
-	implementation 'org.modelmapper:modelmapper:2.3.8'
-
 }
 
 tasks.named('test') {

spring-boot-api/src/main/java/com/ssafy/springbootapi/SpringBootApiApplication.java

@@ -2,7 +2,10 @@
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.data.jpa.repository.config.EnableJpaAuditing;
 
+// 날짜 관련 속성 자동 채우기를 위한 어노테이션
+@EnableJpaAuditing
 @SpringBootApplication
 public class SpringBootApiApplication {
 

spring-boot-api/src/main/java/com/ssafy/springbootapi/domain/product/api/ProductController.java

@@ -0,0 +1,65 @@
+package com.ssafy.springbootapi.domain.product.api;
+
+import java.util.List;
+
+import com.ssafy.springbootapi.domain.product.application.ProductService;
+import com.ssafy.springbootapi.domain.product.dto.ProductInput;
+import com.ssafy.springbootapi.domain.product.dto.ProductListOutput;
+import com.ssafy.springbootapi.domain.product.dto.ProductOutput;
+import com.ssafy.springbootapi.domain.product.dto.ProductUpdate;
+import com.ssafy.springbootapi.global.aop.annotation.ToException;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+@Tag(name = "Product", description = "Product 관련 API 입니다.")
+@RestController
+@RequiredArgsConstructor
+//@CrossOrigin // spring security 디펜던시 삭제로 인한 주석처리
+@RequestMapping("/api/v1/products")
+public class ProductController {
+    private final ProductService productService;
+
+    @Operation(summary = "모든 제품 조회")
+    @GetMapping("")
+    public ResponseEntity<List<ProductListOutput>> getAllProducts() {
+        List<ProductListOutput> products = productService.getAllProducts();
+        return ResponseEntity.status(HttpStatus.OK).body(products);
+    }
+
+    @Operation(summary = "제품 ID로 조회")
+    @GetMapping("/{id}")
+    public ResponseEntity<ProductOutput> getProductById(@PathVariable Long id) {
+        ProductOutput product = productService.getProductById(id);
+        return ResponseEntity.status(HttpStatus.OK).body(product);
+    }
+
+    @Operation(summary = "새 제품 추가")
+    @PostMapping("")
+    public ResponseEntity<ProductOutput> createProduct(@RequestBody ProductInput productInput) {
+        // 서비스 레이어를 통해 비즈니스 로직 처리
+        ProductOutput newProduct = productService.insertProduct(productInput);
+
+        // 생성된 Product 객체 반환
+        return ResponseEntity.status(HttpStatus.CREATED).body(newProduct);
+    }
+
+    @Operation(summary = "제품 정보 업데이트")
+    @PatchMapping("/{id}")
+    public ResponseEntity<ProductOutput> updateProduct(@PathVariable Long id, @RequestBody ProductUpdate productDetails) {
+        // 서비스 레이어를 통해 비즈니스 로직 처리
+        ProductOutput updatedProduct = productService.updateProduct(id, productDetails);
+
+        // 업데이트된 Product 객체 반환
+        return ResponseEntity.ok().body(updatedProduct);
+    }
+    @Operation(summary = "제품 삭제")
+    @DeleteMapping("/{id}")
+    public ResponseEntity<ProductOutput> deleteProduct(@PathVariable Long id) {
+        ProductOutput removedProduct = productService.removeProduct(id);
+        return ResponseEntity.ok().body(removedProduct);
+    }
+}

spring-boot-api/src/main/java/com/ssafy/springbootapi/domain/product/application/ProductService.java

@@ -0,0 +1,109 @@
+package com.ssafy.springbootapi.domain.product.application;
+
+import java.util.List;
+import java.util.Optional;
+import java.util.stream.Collectors;
+
+import com.ssafy.springbootapi.domain.product.dao.ProductRepository;
+import com.ssafy.springbootapi.domain.product.domain.Product;
+import com.ssafy.springbootapi.domain.product.domain.ProductMapper;
+import com.ssafy.springbootapi.domain.product.dto.ProductInput;
+import com.ssafy.springbootapi.domain.product.dto.ProductListOutput;
+import com.ssafy.springbootapi.domain.product.dto.ProductOutput;
+import com.ssafy.springbootapi.domain.product.dto.ProductUpdate;
+import com.ssafy.springbootapi.domain.product.exception.NotFoundProductException;
+import com.ssafy.springbootapi.domain.user.dao.UserRepository;
+import com.ssafy.springbootapi.domain.user.domain.User;
+import com.ssafy.springbootapi.domain.user.exception.UserNotFoundException;
+import jakarta.transaction.Transactional;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.HttpStatus;
+import org.springframework.stereotype.Service;
+import org.springframework.web.server.ResponseStatusException;
+
+@Service
+@RequiredArgsConstructor
+public class ProductService {
+    private final ProductRepository productRepository;
+    private final UserRepository userRepository;
+    private final ProductMapper productMapper;
+
+
+    /**
+     * Product 전체 조회
+     * @return List(ProductListOutput)
+     */
+    public List<ProductListOutput> getAllProducts() {
+        List<Product> products = productRepository.findAll();
+        return products.stream()
+                .map(productMapper::toProductListOutput)
+                .collect(Collectors.toList());
+    }
+
+    /**
+     * Product ID로 조회
+     * @param id : 조회할 상품 id
+     * @return ProductOutput(DTO)
+     */
+    public ProductOutput getProductById(Long id) {
+        Product product = findProductByIdOrThrow(id);
+        return productMapper.toProductOutput(product);
+    }
+
+    /**
+     * Product 삽입 메서드
+     * @param productInput : Product 생성 데이터
+     * @return ProductOutput(DTO)
+     */
+    public ProductOutput insertProduct(ProductInput productInput) {
+        // user_id로 User 객체 찾기
+        Optional<User> userOptional = userRepository.findById(productInput.getUser_id());
+        User user = userOptional.orElseThrow(() ->
+                new UserNotFoundException("User not found with id: " + productInput.getUser_id())
+        );
+
+        // ProductInput에서 Product 엔티티로 변환
+        Product product = productMapper.toEntity(productInput);
+
+        // User 객체를 Product 엔티티에 설정
+        product.setUser(user);
+
+        // Product 엔티티를 DB에 저장하고, 저장된 엔티티를 ProductOutput DTO로 변환하여 반환
+        return productMapper.toProductOutput(productRepository.save(product));
+    }
+
+
+    /**
+     * Product 삭제 메서드
+     * @param id : 삭제할 product id
+     * @return ProductOutput(DTO)
+     */
+    public ProductOutput removeProduct(Long id) {
+        Product toRemove = findProductByIdOrThrow(id);
+        productRepository.delete(toRemove);
+        return productMapper.toProductOutput(toRemove);
+    }
+
+    /**
+     * Product 수정 메서드
+     * @param id : 수정할 product id
+     * @param productUpdate : 수정할 product 데이터
+     * @return ProductOutput(DTO)
+     */
+    @Transactional
+    public ProductOutput updateProduct(Long id, ProductUpdate productUpdate) {
+        Product productToUpdate = findProductByIdOrThrow(id);
+        productMapper.updateProduct(productUpdate, productToUpdate);
+        return productMapper.toProductOutput(productRepository.save(productToUpdate));
+    }
+
+    /**
+     * id로 product 찾기 또는 없을 경우 Exception 발생
+     * @param id : product id
+     * @return Product(Entity)
+     */
+    private Product findProductByIdOrThrow(Long id) {
+        return productRepository.findById(id)
+                .orElseThrow(() -> new NotFoundProductException("Product not found with id: " + id));
+    }
+}

spring-boot-api/src/main/java/com/ssafy/springbootapi/domain/product/dao/ProductRepository.java

@@ -0,0 +1,7 @@
+package com.ssafy.springbootapi.domain.product.dao;
+
+import com.ssafy.springbootapi.domain.product.domain.Product;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface ProductRepository extends JpaRepository<Product, Long> {
+}

spring-boot-api/src/main/java/com/ssafy/springbootapi/domain/product/domain/Product.java

@@ -0,0 +1,66 @@
+package com.ssafy.springbootapi.domain.product.domain;
+
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.ssafy.springbootapi.domain.user.domain.User;
+import jakarta.persistence.*;
+import lombok.*;
+import org.springframework.data.annotation.CreatedDate;
+import org.springframework.data.annotation.LastModifiedDate;
+import org.springframework.data.jpa.domain.support.AuditingEntityListener;
+
+import java.time.LocalDateTime;
+
+@Entity
+@EntityListeners(AuditingEntityListener.class)
+@JsonIgnoreProperties({"hibernateLazyInitializer", "handler"})
+@Table(name = "product")
+@AllArgsConstructor
+@NoArgsConstructor
+@Getter
+@Setter
+@Builder
+public class Product {
+    @Id
+    @GeneratedValue
+    @Column(name = "id", unique = true)
+    private Long id;
+
+    @Column(name = "image_url")
+    private String imageUrl;
+
+    @CreatedDate
+    @Column(name = "created_at")
+    private LocalDateTime createdAt;
+
+    @LastModifiedDate
+    @Column(name = "updated_at")
+    private LocalDateTime updatedAt;
+
+    @Column(name = "name", nullable = false)
+    private String name;
+
+    @Column(name = "price", nullable = false)
+    private int price;
+
+    @Column(name = "description", nullable = false)
+    private String description;
+
+    @Column(nullable = false)
+    private int category;
+
+    @Column(nullable = false)
+    private int stock;
+
+    @ManyToOne(fetch = FetchType.LAZY)
+    @JoinColumn(name = "user_id", nullable = false)
+    private User user;
+//    @Column(name = "user_id")
+//    private int userId;
+    // test code를 위해 추가
+    public void updateInfo(int category, int stock, String imageUrl) {
+        this.category = category;
+        this.stock = stock;
+        this.imageUrl = imageUrl;
+    }
+}

spring-boot-api/src/main/java/com/ssafy/springbootapi/domain/product/domain/ProductMapper.java

@@ -0,0 +1,22 @@
+package com.ssafy.springbootapi.domain.product.domain;
+
+import com.ssafy.springbootapi.domain.product.dto.ProductInput;
+import com.ssafy.springbootapi.domain.product.dto.ProductListOutput;
+import com.ssafy.springbootapi.domain.product.dto.ProductOutput;
+import com.ssafy.springbootapi.domain.product.dto.ProductUpdate;
+import org.mapstruct.BeanMapping;
+import org.mapstruct.Mapper;
+import org.mapstruct.MappingTarget;
+import org.mapstruct.NullValuePropertyMappingStrategy;
+
+@Mapper(componentModel = "spring")
+public interface ProductMapper {
+    @BeanMapping(nullValuePropertyMappingStrategy = NullValuePropertyMappingStrategy.IGNORE)
+    void updateProduct(ProductUpdate dto, @MappingTarget Product entity);
+
+    Product toEntity(ProductUpdate dto);
+    Product toEntity(ProductInput dto);
+
+    ProductOutput toProductOutput(Product entity);
+    ProductListOutput toProductListOutput(Product entity);
+}

spring-boot-api/src/main/java/com/ssafy/springbootapi/domain/product/dto/ProductBase.java

@@ -0,0 +1,14 @@
+package com.ssafy.springbootapi.domain.product.dto;
+
+import lombok.*;
+import lombok.experimental.SuperBuilder;
+
+@NoArgsConstructor
+@AllArgsConstructor
+@Getter
+@SuperBuilder
+public class ProductBase {
+    private String imageUrl;
+    private String name;
+    private int price;
+}

spring-boot-api/src/main/java/com/ssafy/springbootapi/domain/product/dto/ProductInput.java

@@ -0,0 +1,18 @@
+package com.ssafy.springbootapi.domain.product.dto;
+
+import jakarta.validation.constraints.NotBlank;
+import lombok.*;
+import lombok.experimental.SuperBuilder;
+
+@NoArgsConstructor
+@AllArgsConstructor
+@Getter
+@Setter
+@SuperBuilder
+public class ProductInput extends ProductBase {
+    private String description;
+    private int category;
+    private int stock;
+    @NotBlank(message = "user id is required")
+    private Long user_id;
+}

spring-boot-api/src/main/java/com/ssafy/springbootapi/domain/product/dto/ProductListOutput.java

@@ -0,0 +1,12 @@
+package com.ssafy.springbootapi.domain.product.dto;
+
+import lombok.*;
+import lombok.experimental.SuperBuilder;
+
+@NoArgsConstructor
+@AllArgsConstructor
+@Getter
+@SuperBuilder
+public class ProductListOutput extends ProductBase{
+    private Long id;
+}

spring-boot-api/src/main/java/com/ssafy/springbootapi/domain/product/dto/ProductOutput.java

@@ -0,0 +1,18 @@
+package com.ssafy.springbootapi.domain.product.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.experimental.SuperBuilder;
+
+@NoArgsConstructor
+@AllArgsConstructor
+@Getter
+@SuperBuilder
+public class ProductOutput extends ProductListOutput{
+    private String description;
+    private int category;
+    private int stock;
+//    private int user_id;
+}

spring-boot-api/src/main/java/com/ssafy/springbootapi/domain/product/dto/ProductUpdate.java

@@ -0,0 +1,17 @@
+package com.ssafy.springbootapi.domain.product.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+import lombok.experimental.SuperBuilder;
+
+@AllArgsConstructor
+@NoArgsConstructor
+@Getter
+@SuperBuilder
+public class ProductUpdate extends ProductBase {
+    private String description;
+    private int category;
+    private int stock;
+}

spring-boot-api/src/main/java/com/ssafy/springbootapi/domain/product/exception/NotFoundProductException.java

@@ -0,0 +1,7 @@
+package com.ssafy.springbootapi.domain.product.exception;
+
+public class NotFoundProductException extends RuntimeException{
+    public NotFoundProductException(String message) {
+        super(message);
+    }
+}