Merge pull request #17 from soulive-A/feature/#16-post-get-product

[feat] 광고 상품 post,get API 구현

src/main/java/com/backend/soullive_a/controller/ProductController.java

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+package com.backend.soullive_a.controller;
+
+import com.backend.soullive_a.dto.request.CreateProductRequest;
+import com.backend.soullive_a.dto.response.ProductResponse;
+import com.backend.soullive_a.exception.base.BaseResponse;
+import com.backend.soullive_a.service.ProductService;
+import jakarta.validation.Valid;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+@Slf4j
+@RestController
+@RequestMapping("/product")
+@RequiredArgsConstructor
+public class ProductController {
+
+    private final ProductService productService;
+
+    @PostMapping("")
+    public BaseResponse<ProductResponse> createProduct(
+            @RequestBody @Valid CreateProductRequest createProductRequest
+    ) {
+        return BaseResponse.<ProductResponse>builder()
+                .isSuccess(true)
+                .code(200)
+                .message("광고 상품을 등록했습니다.")
+                .data(productService.createProduct(createProductRequest))
+                .build();
+    }
+
+    @GetMapping()
+    public BaseResponse<List<ProductResponse>> getAllProduct() {
+        return BaseResponse.<List<ProductResponse>>builder()
+                .isSuccess(true)
+                .code(200)
+                .message("모든 광고 상품을 불러왔습니다.")
+                .data(productService.getAllProduct())
+                .build();
+    }
+
+    @GetMapping("/{id}")
+    public BaseResponse<ProductResponse> getProduct(@PathVariable Long id) {
+        return BaseResponse.<ProductResponse>builder()
+                .isSuccess(true)
+                .code(200)
+                .message("productId = " + id + " 광고 상품을 불러왔습니다.")
+                .data(productService.getProduct(id))
+                .build();
+    }
+}

src/main/java/com/backend/soullive_a/dto/request/CreateProductRequest.java

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+package com.backend.soullive_a.dto.request;
+
+import com.backend.soullive_a.constant.AgeType;
+import com.backend.soullive_a.constant.GenderType;
+import jakarta.validation.constraints.NotNull;
+
+import java.util.List;
+
+public record CreateProductRequest (
+    @NotNull String company,
+    String brand,
+    @NotNull List<String> brandImage,
+    @NotNull String product,
+    @NotNull String characteristic,
+    @NotNull List<String> productImage,
+    @NotNull List<GenderType> gender,
+    @NotNull List<AgeType> age,
+    @NotNull List<String> range
+){
+}

src/main/java/com/backend/soullive_a/dto/response/AgeResponse.java

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+package com.backend.soullive_a.dto.response;
+
+import com.backend.soullive_a.constant.AgeType;
+
+public record AgeResponse(
+        Long ageId,
+        AgeType ageType
+) {
+}

src/main/java/com/backend/soullive_a/dto/response/BrandImageResponse.java

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+package com.backend.soullive_a.dto.response;
+
+public record BrandImageResponse (
+    Long brandImageId,
+    String brandImage
+){
+}

src/main/java/com/backend/soullive_a/dto/response/GenderResponse.java

@@ -0,0 +1,9 @@
+package com.backend.soullive_a.dto.response;
+
+import com.backend.soullive_a.constant.GenderType;
+
+public record GenderResponse (
+        Long genderId,
+        GenderType gender
+){
+}

src/main/java/com/backend/soullive_a/dto/response/ProductImageResponse.java

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+package com.backend.soullive_a.dto.response;
+
+public record ProductImageResponse(
+        Long productImageId,
+        String productImage
+) {
+}

src/main/java/com/backend/soullive_a/dto/response/ProductResponse.java

@@ -0,0 +1,62 @@
+package com.backend.soullive_a.dto.response;
+
+import com.backend.soullive_a.entity.*;
+import lombok.Builder;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+@Builder
+public record ProductResponse(
+        Long productId,
+        String company,
+        String brand,
+        List<BrandImageResponse> brandImages,
+        String product,
+        String characteristic,
+        List<ProductImageResponse> productImages,
+        List<GenderResponse> genders,
+        List<AgeResponse> ages,
+        List<RangeResponse> ranges
+) {
+    public static ProductResponse fromProduct(
+            Product product,
+            List<BrandImage> brandImage,
+            List<ProductImage> productImage,
+            List<Gender> genderType,
+            List<Age> ageType,
+            List<Range> rangeType) {
+        List<BrandImageResponse> brandImages = brandImage.stream()
+                .map(image -> new BrandImageResponse(image.getId(), image.getBrandImage()))
+                .collect(Collectors.toList());
+
+        List<ProductImageResponse> productImages = productImage.stream()
+                .map(image -> new ProductImageResponse(image.getId(), image.getProductImage()))
+                .collect(Collectors.toList());
+
+        List<GenderResponse> genders = genderType.stream()
+                .map(gender -> new GenderResponse(gender.getId(), gender.getGender()))
+                .collect(Collectors.toList());
+
+        List<AgeResponse> ages = ageType.stream()
+                .map(age -> new AgeResponse(age.getId(), age.getAge()))
+                .collect(Collectors.toList());
+
+        List<RangeResponse> ranges = rangeType.stream()
+                .map(range -> new RangeResponse(range.getId(), range.getRange()))
+                .collect(Collectors.toList());
+
+        return ProductResponse.builder()
+                .productId(product.getId())
+                .company(product.getCompany())
+                .brand(product.getBrand())
+                .brandImages(brandImages)
+                .product(product.getProduct())
+                .characteristic(product.getCharacteristic())
+                .productImages(productImages)
+                .genders(genders)
+                .ages(ages)
+                .ranges(ranges)
+                .build();
+    }
+}

src/main/java/com/backend/soullive_a/dto/response/RangeResponse.java

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+package com.backend.soullive_a.dto.response;
+
+public record RangeResponse(
+        Long rangeId,
+        String range
+) {
+}

src/main/java/com/backend/soullive_a/repository/AgeRepository.java

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+package com.backend.soullive_a.repository;
+
+import com.backend.soullive_a.entity.Age;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+import java.util.List;
+
+@Repository
+public interface AgeRepository extends JpaRepository<Age, Long> {
+    List<Age> findAllByProductId(Long productId);
+}

src/main/java/com/backend/soullive_a/repository/BrandImageRepository.java

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+package com.backend.soullive_a.repository;
+
+import com.backend.soullive_a.entity.BrandImage;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+import java.util.List;
+
+@Repository
+public interface BrandImageRepository extends JpaRepository<BrandImage, Long> {
+    List<BrandImage> findAllByProductId(Long productId);
+}

src/main/java/com/backend/soullive_a/repository/GenderRepository.java

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+package com.backend.soullive_a.repository;
+
+import com.backend.soullive_a.entity.Gender;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+import java.util.List;
+
+@Repository
+public interface GenderRepository extends JpaRepository<Gender, Long> {
+    List<Gender> findAllByProductId(Long productId);
+}

src/main/java/com/backend/soullive_a/repository/ProductImageRepository.java

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+package com.backend.soullive_a.repository;
+
+import com.backend.soullive_a.entity.ProductImage;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+import java.util.List;
+
+@Repository
+public interface ProductImageRepository extends JpaRepository<ProductImage, Long> {
+    List<ProductImage> findAllByProductId(Long productId);
+}

src/main/java/com/backend/soullive_a/repository/ProductRepository.java

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+package com.backend.soullive_a.repository;
+
+import com.backend.soullive_a.entity.Product;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface ProductRepository extends JpaRepository<Product, Long> {
+}

src/main/java/com/backend/soullive_a/repository/RangeRepository.java

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+package com.backend.soullive_a.repository;
+
+import com.backend.soullive_a.entity.Range;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+import java.util.List;
+
+@Repository
+public interface RangeRepository extends JpaRepository<Range, Long> {
+    List<Range> findAllByProductId(Long productId);
+}

src/main/java/com/backend/soullive_a/service/ProductService.java

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+package com.backend.soullive_a.service;
+
+import com.backend.soullive_a.dto.request.CreateProductRequest;
+import com.backend.soullive_a.dto.response.ProductResponse;
+
+import java.util.List;
+
+public interface ProductService {
+    ProductResponse createProduct(CreateProductRequest request);
+
+    ProductResponse getProduct(Long id);
+
+    List<ProductResponse> getAllProduct();
+}

src/main/java/com/backend/soullive_a/service/impl/ProductServiceImpl.java

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+package com.backend.soullive_a.service.impl;
+
+import com.backend.soullive_a.constant.AgeType;
+import com.backend.soullive_a.constant.GenderType;
+import com.backend.soullive_a.dto.request.CreateProductRequest;
+import com.backend.soullive_a.dto.response.ProductResponse;
+import com.backend.soullive_a.entity.*;
+import com.backend.soullive_a.repository.*;
+import com.backend.soullive_a.service.ProductService;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@Slf4j
+@Service
+@RequiredArgsConstructor
+public class ProductServiceImpl implements ProductService {
+
+    private final ProductRepository productRepository;
+    private final BrandImageRepository brandImageRepository;
+    private final ProductImageRepository productImageRepository;
+    private final GenderRepository genderRepository;
+    private final AgeRepository ageRepository;
+    private final RangeRepository rangeRepository;
+
+    @Override
+    @Transactional
+    public ProductResponse createProduct(CreateProductRequest request) {
+        Product product = Product.builder()
+                .company(request.company())
+                .brand(request.brand())
+                .product(request.product())
+                .characteristic(request.characteristic())
+                .build();
+        productRepository.save(product);
+
+        List<BrandImage> brandImages = new ArrayList<>();
+        for (String image : request.brandImage()) {
+            BrandImage brandImage = BrandImage.builder()
+                    .product(product)
+                    .brandImage(image)
+                    .build();
+            brandImages.add(brandImage);
+            brandImageRepository.save(brandImage);
+        }
+
+        List<ProductImage> productImages = new ArrayList<>();
+        for (String image : request.productImage()) {
+            ProductImage productImage = ProductImage.builder()
+                    .product(product)
+                    .productImage(image)
+                    .build();
+            productImages.add(productImage);
+            productImageRepository.save(productImage);
+        }
+
+        List<Gender> genders = new ArrayList<>();
+        for (GenderType genderType : request.gender()) {
+            Gender gender = Gender.builder()
+                    .product(product)
+                    .gender(genderType)
+                    .build();
+            genders.add(gender);
+            genderRepository.save(gender);
+        }
+
+        List<Age> ages = new ArrayList<>();
+        for (AgeType ageType : request.age()) {
+            Age age = Age.builder()
+                    .product(product)
+                    .age(ageType)
+                    .build();
+            ages.add(age);
+            ageRepository.save(age);
+        }
+
+        List<Range> ranges = new ArrayList<>();
+        for (String rangeType : request.range()) {
+            Range range = Range.builder()
+                    .product(product)
+                    .range(rangeType)
+                    .build();
+            ranges.add(range);
+            rangeRepository.save(range);
+        }
+        return ProductResponse.fromProduct(product, brandImages, productImages, genders, ages, ranges);
+    }
+
+    @Override
+    @Transactional(readOnly = true)
+    public ProductResponse getProduct(Long productId) {
+        Product product = productRepository.findById(productId)
+                .orElseThrow();
+        List<BrandImage> brandImages = brandImageRepository.findAllByProductId(productId);
+        List<ProductImage> productImages = productImageRepository.findAllByProductId(productId);
+        List<Gender> genders = genderRepository.findAllByProductId(productId);
+        List<Age> ages = ageRepository.findAllByProductId(productId);
+        List<Range> ranges = rangeRepository.findAllByProductId(productId);
+        return ProductResponse.fromProduct(product, brandImages, productImages, genders, ages, ranges);
+    }
+
+    @Override
+    @Transactional(readOnly = true)
+    public List<ProductResponse> getAllProduct() {
+        List<Product> products = productRepository.findAll();
+        List<ProductResponse> productResponses = new ArrayList<>();
+        for (Product product : products) {
+            List<BrandImage> brandImages = brandImageRepository.findAllByProductId(product.getId());
+            List<ProductImage> productImages = productImageRepository.findAllByProductId(product.getId());
+            List<Gender> genders = genderRepository.findAllByProductId(product.getId());
+            List<Age> ages = ageRepository.findAllByProductId(product.getId());
+            List<Range> ranges = rangeRepository.findAllByProductId(product.getId());
+            productResponses.add(ProductResponse.fromProduct(product, brandImages, productImages, genders, ages, ranges));
+        }
+        return productResponses;
+    }
+}