BE: [feat] 크루 생성 CSID-DGU#83

src/backend/src/main/java/RunningMachines/R2R/domain/crew/common/controller/CrewController.java

@@ -0,0 +1,27 @@
+package RunningMachines.R2R.domain.crew.common.controller;
+
+import RunningMachines.R2R.domain.crew.common.dto.CrewCreateCommandDto;
+import RunningMachines.R2R.domain.crew.common.service.CrewCommandService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.multipart.MultipartFile;
+
+@RestController
+@RequestMapping("/crew")
+@RequiredArgsConstructor
+public class CrewController {
+    private final CrewCommandService crewCommandService;
+
+    @PostMapping("/create")
+    public ResponseEntity<Integer> createCrew(@RequestParam String title, @RequestPart MultipartFile certificationImage) {
+        CrewCreateCommandDto crewCreateCommandDto = CrewCreateCommandDto.builder()
+                .title(title)
+                .certificationImage(certificationImage)
+                .build();
+
+        Integer crewPasscode = crewCommandService.createCrew(crewCreateCommandDto);
+
+        return ResponseEntity.ok(crewPasscode);
+    }
+}

src/backend/src/main/java/RunningMachines/R2R/domain/crew/common/dto/CrewCreateCommandDto.java

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+package RunningMachines.R2R.domain.crew.common.dto;
+
+import lombok.*;
+import org.springframework.web.multipart.MultipartFile;
+
+@Getter
+@Builder
+@AllArgsConstructor
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+public class CrewCreateCommandDto {
+    private String title;
+    private MultipartFile certificationImage;
+
+    public void validate() {
+        if (title==null || title.isEmpty()) {
+            throw new IllegalArgumentException("크루명을 입력해주세요");
+        }
+        if (certificationImage == null || certificationImage.isEmpty()) {
+            throw new IllegalArgumentException("인증 사진을 입력해주세요.");
+        }
+    }
+}

src/backend/src/main/java/RunningMachines/R2R/domain/crew/common/repository/CrewRepository.java

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+package RunningMachines.R2R.domain.crew.common.repository;
+
+import RunningMachines.R2R.domain.crew.common.entity.Crew;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface CrewRepository extends JpaRepository<Crew, Long> {
+
+}

src/backend/src/main/java/RunningMachines/R2R/domain/crew/common/repository/CrewUserRepository.java

@@ -0,0 +1,7 @@
+package RunningMachines.R2R.domain.crew.common.repository;
+
+import RunningMachines.R2R.domain.crew.common.entity.CrewUser;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface CrewUserRepository extends JpaRepository<CrewUser, Integer> {
+}

src/backend/src/main/java/RunningMachines/R2R/domain/crew/common/service/CrewCommandService.java

@@ -0,0 +1,58 @@
+package RunningMachines.R2R.domain.crew.common.service;
+
+import RunningMachines.R2R.domain.crew.common.dto.CrewCreateCommandDto;
+import RunningMachines.R2R.domain.crew.common.entity.Crew;
+import RunningMachines.R2R.domain.crew.common.entity.CrewRole;
+import RunningMachines.R2R.domain.crew.common.entity.CrewUser;
+import RunningMachines.R2R.domain.crew.common.repository.CrewRepository;
+import RunningMachines.R2R.domain.crew.common.repository.CrewUserRepository;
+import RunningMachines.R2R.domain.user.entity.User;
+import RunningMachines.R2R.domain.user.service.AuthCommandService;
+import RunningMachines.R2R.global.s3.S3Provider;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.util.Random;
+
+@Service
+@RequiredArgsConstructor
+public class CrewCommandService {
+    private final CrewRepository crewRepository;
+    private final S3Provider s3Provider;
+    private final AuthCommandService authCommandService;
+    private final CrewUserRepository crewUserRepository;
+
+    @Transactional
+    public int createCrew(CrewCreateCommandDto crewCreateCommandDto) {
+        // TODO - 관리자의 크루 생성 허용
+        crewCreateCommandDto.validate();
+
+        User currentUser = authCommandService.getCurrentUser();
+        int passcode = generateRandomPasscode();
+
+        // Crew 생성
+        Crew crew = Crew.builder()
+                .title(crewCreateCommandDto.getTitle())
+                .passcode(passcode)
+                .build();
+        crewRepository.save(crew);
+
+        // 생성자 크루원 가입
+        CrewUser crewUser = CrewUser.builder()
+                .role(CrewRole.LEADER)
+                .user(currentUser)
+                .crew(crew)
+                .build();
+        crewUserRepository.save(crewUser);
+
+        return crew.getPasscode();
+    }
+
+    private int generateRandomPasscode() {
+        Random random = new Random();
+        return 1000 + random.nextInt(9000);
+    }
+}
+
+