SCRUM-44 feat: 상품 등록

src/main/java/com/kakaoteck/golagola/domain/product/controller/ProductController.java

@@ -1,4 +1,29 @@
 package com.kakaoteck.golagola.domain.product.controller;
 
+import com.kakaoteck.golagola.domain.product.dto.ProductRequest;
+import com.kakaoteck.golagola.domain.product.service.ProductService;
+import com.kakaoteck.golagola.domain.seller.dto.SellerResponse;
+import com.kakaoteck.golagola.domain.seller.entity.Seller;
+import com.kakaoteck.golagola.global.common.ApiResponse;
+import io.swagger.v3.oas.annotations.Operation;
+import lombok.RequiredArgsConstructor;
+import org.springframework.security.core.annotation.AuthenticationPrincipal;
+import org.springframework.web.bind.annotation.*;
+
+@RestController
+@RequiredArgsConstructor
+@RequestMapping("/api/v1/product")
+@CrossOrigin("*")
 public class ProductController {
+
+    private final ProductService productService;
+
+    @Operation(summary = "상품 등록", description = "상품을 등록합니다. 판매자 전용")
+    @PostMapping()
+    public ApiResponse<String> postProduct(
+            @AuthenticationPrincipal Seller seller,
+            @RequestBody ProductRequest request
+    ) {
+        return ApiResponse.onSuccess(productService.postProduct(seller, request));
+    }
 }

src/main/java/com/kakaoteck/golagola/domain/product/dto/ProductRequest.java

@@ -1,4 +1,19 @@
 package com.kakaoteck.golagola.domain.product.dto;
 
-public record ProductRequest() {
+import com.kakaoteck.golagola.global.common.enums.Category;
+import com.kakaoteck.golagola.global.common.enums.DetailCategory;
+import lombok.Builder;
+
+@Builder
+public record ProductRequest(
+        String productName,
+        String productExplanation,
+        String productImage,
+        Long productPrice,
+        Long productInventory,
+        Category category,
+        DetailCategory detailCategory,
+        Long discount,
+        Long productQuantity
+) {
 }

src/main/java/com/kakaoteck/golagola/domain/product/entity/Product.java

@@ -77,10 +77,10 @@ public class Product extends BaseEntity {
     @Column(nullable = false)
     private Long productQuantity;
 
-    @Column(nullable = false)
+    @Column()
     private Float predictReviewStar;
 
-    @Column(nullable = false)
+    @Column()
     private Float productStar;
 
     public static Product from(Long productId, Seller seller, Cart cart, List<Review> reviewList,

src/main/java/com/kakaoteck/golagola/domain/product/service/ProductService.java

@@ -1,4 +1,48 @@
 package com.kakaoteck.golagola.domain.product.service;
 
+import com.kakaoteck.golagola.domain.product.dto.ProductRequest;
+import com.kakaoteck.golagola.domain.product.entity.Product;
+import com.kakaoteck.golagola.domain.product.repository.ProductRepository;
+import com.kakaoteck.golagola.domain.seller.entity.Seller;
+import com.kakaoteck.golagola.domain.seller.repository.SellerRepository;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.time.LocalTime;
+
+@Service
+@RequiredArgsConstructor
+@Transactional
+@Slf4j
 public class ProductService {
+
+    private final SellerRepository sellerRepository;
+    private final ProductRepository productRepository;
+
+    public String postProduct(Seller seller, ProductRequest request) {
+        // Product 객체 생성
+        Product product = Product.builder()
+                .seller(seller)
+                .productName(request.productName())
+                .productExplanation(request.productExplanation())
+                .productImage(request.productImage())
+                .productPrice(request.productPrice())
+                .productInventory(request.productInventory())
+                .category(request.category())
+                .detailCategory(request.detailCategory())
+                .discount(request.discount())
+                .createTime(LocalTime.now())
+                .updateTime(LocalTime.now())
+                .productQuantity(request.productQuantity())
+                .predictReviewStar(0.0f)  // 초기 예상 리뷰 별점
+                .productStar(0.0f)         // 초기 실제 리뷰 별점
+                .build();
+
+        // Product 저장
+        productRepository.save(product);
+
+        return "상품등록 성공";
+    }
 }