Product crud

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

@@ -0,0 +1,63 @@
+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 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
+@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 new ResponseEntity<>(products, HttpStatus.OK);
+    }
+
+    @Operation(summary = "제품 ID로 조회")
+    @GetMapping("/{id}")
+    public ResponseEntity<ProductOutput> getProductById(@PathVariable Long id) {
+        ProductOutput product = productService.getProductById(id);
+        return new ResponseEntity<>(product, HttpStatus.OK);
+    }
+
+    @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 new ResponseEntity<>(newProduct, HttpStatus.CREATED);
+    }
+
+    @Operation(summary = "제품 정보 업데이트")
+    @PutMapping("/{id}")
+    public ResponseEntity<ProductOutput> updateProduct(@PathVariable Long id, @RequestBody ProductInput productDetails) {
+        // 서비스 레이어를 통해 비즈니스 로직 처리
+        ProductOutput updatedProduct = productService.updateProduct(id, productDetails);
+
+        // 업데이트된 Product 객체 반환
+        return new ResponseEntity<>(updatedProduct, HttpStatus.OK);
+    }
+    @Operation(summary = "제품 삭제")
+    @DeleteMapping("/{id}")
+    public ResponseEntity<ProductOutput> deleteProduct(@PathVariable Long id) {
+        ProductOutput product = productService.removeProduct(id);
+        return new ResponseEntity<>(product, HttpStatus.NO_CONTENT);
+    }
+}

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

@@ -0,0 +1,66 @@
+package com.ssafy.springbootapi.domain.product.application;
+
+import java.util.List;
+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.dto.ProductInput;
+import com.ssafy.springbootapi.domain.product.dto.ProductListOutput;
+import com.ssafy.springbootapi.domain.product.dto.ProductOutput;
+import com.ssafy.springbootapi.domain.product.exception.NotFoundProductException;
+import lombok.RequiredArgsConstructor;
+import org.modelmapper.ModelMapper;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
+public class ProductService {
+    private final ProductRepository productRepository;
+    private final ModelMapper modelMapper;
+
+    public List<ProductListOutput> getAllProducts() {
+        List<Product> products = productRepository.findAll();
+        return products.stream()
+                .map(product -> modelMapper.map(product, ProductListOutput.class))
+                .collect(Collectors.toList());
+    }
+
+    public ProductOutput getProductById(Long id) {
+        Product product = findProductByIdOrThrow(id);
+        return modelMapper.map(product, ProductOutput.class);
+    }
+
+    public ProductOutput insertProduct(ProductInput productInput) {
+        Product product = modelMapper.map(productInput, Product.class);
+        return modelMapper.map(productRepository.save(product), ProductOutput.class);
+    }
+
+    public ProductOutput removeProduct(Long id) {
+        Product toRemove = findProductByIdOrThrow(id);
+        productRepository.delete(toRemove);
+        return modelMapper.map(toRemove, ProductOutput.class);
+    }
+
+
+    public ProductOutput updateProduct(Long id, ProductInput productInput) {
+        Product productToUpdate = findProductByIdOrThrow(id);
+
+        // 업데이트 로직
+        productToUpdate.setCategory(productInput.getCategory());
+        productToUpdate.setStock(productInput.getStock());
+        productToUpdate.setImageUrl(productInput.getImageUrl());
+
+        productRepository.save(productToUpdate);
+
+        return modelMapper.map(productToUpdate, ProductOutput.class);
+    }
+
+    // ProductService 클래스 내부에 private 메소드 추가
+    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 +1,41 @@
+package com.ssafy.springbootapi.domain.product.domain;
+
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import jakarta.persistence.*;
+import lombok.*;
+
+import java.time.LocalDateTime;
+
+@Entity
+@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;
+    @Column(name = "created_at")
+    private LocalDateTime createdAt;
+    @Column(name = "updated_at")
+    private LocalDateTime updatedAt;
+    @Column(name = "name", nullable = false)
+    private String name;
+    @Column(name = "price", nullable = false)
+    private int price;
+    private String description;
+    private int category;
+    private int stock;
+//    @ManyToOne
+//    @JoinColumn(name = "user_id")
+//    private User user;
+    @Column(name = "user_id")
+    private int userId;
+}

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

@@ -0,0 +1,15 @@
+package com.ssafy.springbootapi.domain.product.dto;
+
+import lombok.*;
+import lombok.experimental.SuperBuilder;
+
+@NoArgsConstructor
+@AllArgsConstructor
+@Setter
+@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 +1,16 @@
+package com.ssafy.springbootapi.domain.product.dto;
+
+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;
+    private int 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/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);
+    }
+}

spring-boot-api/src/main/java/com/ssafy/springbootapi/global/error/GlobalExceptionHandler.java

@@ -1,6 +1,6 @@
 package com.ssafy.springbootapi.global.error;
 
-// import com.ssafy.springbootapi.domain.product.exception.NotFoundProductException;
+ import com.ssafy.springbootapi.domain.product.exception.NotFoundProductException;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.ControllerAdvice;
@@ -9,8 +9,8 @@
 @ControllerAdvice
 public class GlobalExceptionHandler { // Domain별 Exception 핸들러
 
-    // @ExceptionHandler(NotFoundProductException.class)
-    // public ResponseEntity<?> handleNotFoundProductException(NotFoundProductException ex) {
-    //     return new ResponseEntity<>(ex.getMessage(), HttpStatus.NOT_FOUND);
-    // }
+     @ExceptionHandler(NotFoundProductException.class)
+     public ResponseEntity<?> handleNotFoundProductException(NotFoundProductException ex) {
+         return new ResponseEntity<>(ex.getMessage(), HttpStatus.NOT_FOUND);
+     }
 }