[FEAT] 기업 인증 API 구현

src/main/java/danpoong/soenter/domain/enterprise/controller/EnterpriseController.java

@@ -1,19 +1,16 @@
 package danpoong.soenter.domain.enterprise.controller;
 
 import danpoong.soenter.base.ApiResponse;
+import danpoong.soenter.domain.enterprise.dto.EnterpriseDTO.EnterpriseRequest.EnterpriseVerificationRequest;
 import danpoong.soenter.domain.enterprise.dto.EnterpriseDTO.EnterpriseResponse.GetEnterpriseResponse;
 import danpoong.soenter.domain.enterprise.dto.VisitDTO.VisitResponse.GetVisitedEnterpriseResponse;
 import danpoong.soenter.domain.enterprise.service.EnterpriseService;
-import danpoong.soenter.domain.enterprise.entity.Enterprise;
 import danpoong.soenter.domain.enterprise.entity.Region;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 import lombok.RequiredArgsConstructor;
 import org.springframework.security.core.Authentication;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.PathVariable;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
 
 import java.util.List;
 
@@ -55,4 +52,18 @@ public ApiResponse<List<GetEnterpriseResponse>> getEnterprisesByRegionAndCity(
         }
     }
 
+    @Operation(summary = "기업 인증", description = "사용자가 입력한 정보로 기업을 인증하고 사용자와 매핑합니다.")
+    @PostMapping("/verify")
+    public ApiResponse<String> verifyEnterprise(
+            @RequestBody EnterpriseVerificationRequest request,
+            Authentication authentication) {
+        try {
+            enterpriseService.verifyEnterprise(authentication.getName(), request);
+            return ApiResponse.onSuccess("기업 인증이 성공적으로 완료되었습니다.");
+        } catch (IllegalArgumentException e) {
+            return ApiResponse.onFailure("400", e.getMessage(), null);
+        } catch (Exception e) {
+            return ApiResponse.onFailure("500", "기업 인증 중 문제가 발생했습니다.", null);
+        }
+    }
 }

src/main/java/danpoong/soenter/domain/enterprise/dto/EnterpriseDTO.java

@@ -4,8 +4,19 @@
 import danpoong.soenter.domain.enterprise.entity.Region;
 import lombok.Builder;
 import lombok.Getter;
+import lombok.NoArgsConstructor;
 
 public class EnterpriseDTO {
+    public static class EnterpriseRequest {
+        @Getter
+        @NoArgsConstructor
+        public static class EnterpriseVerificationRequest {
+            private String businessRegistrationNumber;
+            private String representativeName;
+            private String name;
+        }
+    }
+
     public static class EnterpriseResponse {
         @Getter
         @Builder

src/main/java/danpoong/soenter/domain/enterprise/entity/Enterprise.java

@@ -1,8 +1,11 @@
 package danpoong.soenter.domain.enterprise.entity;
 
+import danpoong.soenter.domain.user.entity.User;
 import jakarta.persistence.*;
 import lombok.*;
 
+import java.util.List;
+
 @Entity
 @Getter
 @Builder
@@ -60,5 +63,8 @@ public class Enterprise {
 
     @Column
     private Integer certificationYear;
+
+    @OneToMany(mappedBy = "enterprise")
+    private List<User> users;
 }
 

src/main/java/danpoong/soenter/domain/enterprise/repository/EnterpriseRepository.java

@@ -5,8 +5,14 @@
 import org.springframework.data.jpa.repository.JpaRepository;
 
 import java.util.List;
+import java.util.Optional;
 
 public interface EnterpriseRepository extends JpaRepository<Enterprise, Long> {
     List<Enterprise> findAllByRegion(Region region);
     List<Enterprise> findAllByRegionAndCity(Region region, String city);
+    Optional<Enterprise> findByBusinessRegistrationNumberAndRepresentativeNameAndName(
+            String businessRegistrationNumber,
+            String representativeName,
+            String name
+    );
 }

src/main/java/danpoong/soenter/domain/enterprise/service/EnterpriseService.java

@@ -3,6 +3,7 @@
 import danpoong.soenter.base.ApiResponse;
 import danpoong.soenter.domain.enterprise.converter.EnterpriseConverter;
 import danpoong.soenter.domain.enterprise.converter.VisitConverter;
+import danpoong.soenter.domain.enterprise.dto.EnterpriseDTO.EnterpriseRequest.EnterpriseVerificationRequest;
 import danpoong.soenter.domain.enterprise.dto.EnterpriseDTO.EnterpriseResponse.GetEnterpriseResponse;
 import danpoong.soenter.domain.enterprise.dto.VisitDTO.VisitResponse.GetVisitedEnterpriseResponse;
 import danpoong.soenter.domain.enterprise.entity.Enterprise;
@@ -79,4 +80,21 @@ public ApiResponse<List<GetEnterpriseResponse>> getEnterprisesByRegionAndCity(Re
             return ApiResponse.onFailure("500", "지역 및 도시별 기업 정보를 가져오는 데 실패했습니다.", null);
         }
     }
+
+    public void verifyEnterprise(String userId, EnterpriseVerificationRequest request) {
+        // 기업 검색
+        Enterprise enterprise = enterpriseRepository.findByBusinessRegistrationNumberAndRepresentativeNameAndName(
+                request.getBusinessRegistrationNumber(),
+                request.getRepresentativeName(),
+                request.getName()
+        ).orElseThrow(() -> new IllegalArgumentException("일치하는 기업을 찾을 수 없습니다."));
+
+        // 사용자 조회
+        User user = userRepository.findById(Long.valueOf(userId))
+                .orElseThrow(() -> new RuntimeException("사용자를 찾을 수 없습니다."));
+
+        // 사용자와 기업 매핑
+        user.updateEnterprise(enterprise.getEnterpriseId());
+        userRepository.save(user); // 변경사항 저장
+    }
 }

src/main/java/danpoong/soenter/domain/user/entity/User.java

@@ -1,5 +1,6 @@
 package danpoong.soenter.domain.user.entity;
 
+import danpoong.soenter.domain.enterprise.entity.Enterprise;
 import jakarta.persistence.*;
 import lombok.*;
 
@@ -40,6 +41,10 @@ public class User {
     @Column
     private String kakaoAccess;
 
+    @ManyToOne
+    @JoinColumn(name = "enterprise_id")
+    private Enterprise enterprise;
+
     public void updateBirthDate(LocalDate birth) {
         this.birth = birth;
     }
@@ -51,4 +56,8 @@ public void updateKakaoAccess(String kakaoAccess) {
     public void updateCityDate(String city) {
         this.city = city;
     }
+
+    public void updateEnterprise(Long enterpriseId) {
+        this.enterprise = Enterprise.builder().enterpriseId(enterpriseId).build();
+    }
 }